USRE38702E1 - Security system - Google Patents

Security system Download PDF

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Publication number
USRE38702E1
USRE38702E1 US09/487,832 US48783200A USRE38702E US RE38702 E1 USRE38702 E1 US RE38702E1 US 48783200 A US48783200 A US 48783200A US RE38702 E USRE38702 E US RE38702E
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Prior art keywords
read
goods
tag
write
security system
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US09/487,832
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Richard Marc Clement
Stephen Davies
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Innovation 2 Market Ltd
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Innovation 2 Market Ltd
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Assigned to ICN PHOTONICS LIMITED reassignment ICN PHOTONICS LIMITED CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: SLS BIOPHILE LIMITED
Assigned to INNOVATION 2 MARKET LIMITED reassignment INNOVATION 2 MARKET LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ICN PHOTONICS LIMITED
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2451Specific applications combined with EAS
    • G08B13/246Check out systems combined with EAS, e.g. price information stored on EAS tag
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07GREGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
    • G07G1/00Cash registers
    • G07G1/0036Checkout procedures
    • G07G1/0045Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader
    • G07G1/0054Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader with control of supplementary check-parameters, e.g. weight or number of articles
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07GREGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
    • G07G3/00Alarm indicators, e.g. bells
    • G07G3/003Anti-theft control
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468Antenna in system and the related signal processing
    • G08B13/2474Antenna or antenna activator geometry, arrangement or layout

Definitions

  • This invention relates to a security system to detect unauthorised removal of articles from a restricted area, such as a retail store.
  • a security system to detect unauthorised removal of articles from a restricted area such as a retail store, in which each article carries a read/write tag, the security system comprising at least one-point-of-sale or point-of-authorisation apparatus arranged to write specific data into (or erase specific data from) the tag to indicate that the article has been paid for or its removal has otherwise been authorised, and a detector apparatus for the or each exit of said restricted area, said detector apparatus being arranged to read each tag to determine if said specific data has been written into (or erased from) the tag and otherwise to initiate an alarm.
  • the security system preferably further comprises a refunds/returns detector apparatus arranged to read the tag of each article presented to it and to determine if said specific data has been written into (or erased from) the tag, and to erase (or write in) said data so that the article can be returned to stock.
  • a refunds/returns detector apparatus arranged to read the tag of each article presented to it and to determine if said specific data has been written into (or erased from) the tag, and to erase (or write in) said data so that the article can be returned to stock.
  • the point-of-sale apparatus may write into the tag data representing the date of sale and the actual price paid for the article. Then the refund/returns detector erases the data and price-paid data.
  • the security system also includes detector equipment for installing internally of the store (for example at passageways between departments or at stairways or escalators between floors), this detector equipment being arranged to read the tags of articles passing them to determine whether any of those articles has not yet been paid for: preferably each such detector equipment is arranged to initiate a low level or discrete alarm, which is available to staff but not to customers.
  • detector equipment may also be arranged as a personal detector to be worn or carried by a member of staff, e.g. providing a discrete audible alarm to an ear piece worn by that member of staff.
  • the detector equipment at each exit location, or at each internal fixed location comprises at least one ferrite core aerial used in scanning mode.
  • a plurality of such ferrite core aerials may be spaced apart along one transverse dimension of the exit or other passageway (e.g. across its width) and directed generally perpendicular to that dimension (e.g. vertically). The aerials are then switched on one-by-one in succession to scan across the exit or other passageway.
  • a ferrite core aerial may be mounted to a drive apparatus which moves the aerial to scan back-and-forth across the exit or other passageway.
  • FIG. 1 is a block diagram schematically showing the individual elements of a security system in accordance with this invention
  • FIG. 2 is a front view of an exit doorway from a retail store, showing diagrammatically a scanning-mode detector aerial array;
  • FIG. 3 is a similar view of an exit doorway, showing diagrammatically an alternative form of scanning mode detector aerial array
  • FIG. 4 is a similar view of an exit doorway, showing diagrammatically another from of scanning-mode aerial.
  • each article of merchandise to be sold in a store carries a tag to which data can be written and from which data can be read.
  • the tag generally comprises a small flat semiconductor chip: in the case of garments, the chip is preferably bonded to the usual label of the garment.
  • the chip may include an air-core aerial or a ferrite core aerial for inductive coupling with read/write equipment both for powering the chip and for data transfer.
  • the manufacturer or wholesaler of the merchandise uses data-write equipment which inductively couples to the tag of each article to write into the tag data such as a code identifying the article, the identity of the manufacturer and/or wholesaler and the date of manufacture.
  • each store has read-write equipment 10 at its goods-entry.
  • This equipment 10 is linked to a stock control computer 20 of the store, and via an inductively-coupling read head 11 reads the tag of each article newly-received into the store to identify the article and add it to the data held by the computer 20 .
  • an inductively-coupling write head 12 the equipment 10 writes data to the tag of each article, this data including the identity of the store and the date of receipt of the article.
  • the equipment 10 preferably includes a visual display 13 for showing the data read from each tag and for verifying the data written into each tag.
  • the equipment 10 may also have a keyboard 14 for manually entering any other desired data into the tag memory.
  • Each store also has at least one point-of-sale, having read/write equipment 30 .
  • This equipment is linked to the store's stock control computer 20 which, in addition to maintaining a record of the numbers of the different articles or items of merchandise within the store, also maintains a record of the current price applicable to each different article.
  • the equipment 30 is used to read, via an inductively-coupling read head 31 , the tag of each article being purchased: the identity code is read from the tag and the current price of the article is obtained by referring this code to the computer 20 .
  • the equipment 30 includes a visual display 32 arranged to display the identity of the article and its current price.
  • the equipment 30 further includes a printer 33 to print a bill or receipt for the customer, the data for this being derived from that read from the tag of each article being purchased.
  • the equipment 30 also includes an inductively-coupling write head 34 which writes data into the tag of each article being purchased, to indicate that the article has been paid for: this data preferably includes the date of the sale and the actual price paid.
  • the stock control computer 20 debits its stock control records accordingly.
  • a fixed detector 40 is installed to check that every article being taken out of the store has been paid for.
  • the detector 40 includes an inductively-coupling read head 41 to read data from the tag of each article being taken of the store, to determine whether the tag carries data indicating that it has been paid for (i.e. the data that should have been written in at the point of sale). If the detector 40 fails to read such data, it initiates an alarm.
  • the point-of-sale equipment 30 may erase a special indicator from the tag memory: then if the exit detector 40 detects the presence of such an indicator (indicating that the customer is carrying an article that has not been paid for), the detector 40 initiates its alarm.
  • the store also has detector equipment installed internally of the store, for example at passageways between departments or at stairways or escalators between floors. Normally customers would pay for the goods from one department or floor before moving to another department or floor: these detectors can therefore monitor movements of merchandise within the store, being arranged (similar to the exit-detectors) to read the tags of articles passing them to determine whether those articles have been paid for at one of the store's points-of-sale.
  • these in-store detectors are arranged to initiate a low level or discrete alarm enabling staff to discretely monitor customers: for example the alarm may consist of a light positioned to be visible only by members of staff, e.g. a security guard.
  • Such a detector may also be carried or worn by an in-store security guard, who can then discretely screen any customer within the store: in this case the alarm may be an audible alarm e.g transmitted to an ear plug.
  • the store also has a refunds or returns department, which includes read/write equipment 50 .
  • the equipment 50 is used via its inductively-coupling read head 51 to read the tag to check that the article had been paid for and to determine the date of purchase and the price paid.
  • This information is erased from the tag memory via an inductively-coupling write head 52 of the equipment 50 : also the identity of the store and date of receipt is written into the tag, and the store's stock control records are updated, so that the article can be placed back on sale within the store.
  • each pair of read and write heads may comprise a single aerial.
  • the detector equipment at each exit or internal fixed location of the store preferably comprise an array of ferrite core aerials 60 spaced apart across the width of the exit and directed vertically: for example as shown the aerials may be positioned above the exit and directed downwardly.
  • the effective field of each aerial is shown by dotted lines, and is generally in the shape of an elongated pear which extends the height of the exit but is relatively narrow.
  • the aerials 60 are switched one-by-one to effect a scan across the width of the exit.
  • alternate aerials 60 , 61 may be positioned above and below the exit. Instead, the array(s) may be spaced apart up the vertical side(s) of the exit and directed across its width. As shown in FIG.
  • a drive apparatus which moves (e.g. pivots or linearly displaces) the aerial 62 back-and-forth across the exit, effectively in a scanning mode.

Abstract

Unauthorized removal of articles e.g. from a retail store, each article carrying a read/write tag, is detected by a security system having at least one point-of-sale apparatus (30) arranged to write specific data into (or erase specific data from) the tag to indicate that the article has been paid for, and a detector apparatus (40) for the or each exit of the store and arranged to read each tag to determine if the specific data has been written into (or erased from) the tag, and otherwise to initiate an alarm. The system also includes a refunds/returns detector apparatus (50) to read the tag of each article presented to it, to determine if the specific data has been written into (or erased from) the tag, and to erase (or write in) that data so that the article can be returned to stock.

Description

BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a security system to detect unauthorised removal of articles from a restricted area, such as a retail store.
2. State of the Art
Various systems have been adopted in retail outlets to combat fraud. In one type of system, a tag is attached to each article of clothing or other merchandise, and must be removed before the article is taken out of the store, otherwise a detector at the exit door senses the tag and sets off a general audible alarm. However, another form of fraud which is developing consists of the fraudster removing an article from one part of the store, then taking it to the “returns” desk and claiming a cash refund.
SUMMARY OF THE INVENTION
We have now devised a security system of improved effectiveness and which is able to counter the above-described form of fraud.
In accordance with this invention, there is provided a security system to detect unauthorised removal of articles from a restricted area such as a retail store, in which each article carries a read/write tag, the security system comprising at least one-point-of-sale or point-of-authorisation apparatus arranged to write specific data into (or erase specific data from) the tag to indicate that the article has been paid for or its removal has otherwise been authorised, and a detector apparatus for the or each exit of said restricted area, said detector apparatus being arranged to read each tag to determine if said specific data has been written into (or erased from) the tag and otherwise to initiate an alarm.
The security system preferably further comprises a refunds/returns detector apparatus arranged to read the tag of each article presented to it and to determine if said specific data has been written into (or erased from) the tag, and to erase (or write in) said data so that the article can be returned to stock.
For example the point-of-sale apparatus may write into the tag data representing the date of sale and the actual price paid for the article. Then the refund/returns detector erases the data and price-paid data.
Preferably the security system also includes detector equipment for installing internally of the store (for example at passageways between departments or at stairways or escalators between floors), this detector equipment being arranged to read the tags of articles passing them to determine whether any of those articles has not yet been paid for: preferably each such detector equipment is arranged to initiate a low level or discrete alarm, which is available to staff but not to customers. Such a detector may also be arranged as a personal detector to be worn or carried by a member of staff, e.g. providing a discrete audible alarm to an ear piece worn by that member of staff.
Preferably also the detector equipment at each exit location, or at each internal fixed location, comprises at least one ferrite core aerial used in scanning mode. For example, a plurality of such ferrite core aerials may be spaced apart along one transverse dimension of the exit or other passageway (e.g. across its width) and directed generally perpendicular to that dimension (e.g. vertically). The aerials are then switched on one-by-one in succession to scan across the exit or other passageway. Alternatively, a ferrite core aerial may be mounted to a drive apparatus which moves the aerial to scan back-and-forth across the exit or other passageway.
Embodiments of this invention will now be described by way of examples only and with reference to the accompanying drawings, in which:
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a block diagram schematically showing the individual elements of a security system in accordance with this invention;
FIG. 2 is a front view of an exit doorway from a retail store, showing diagrammatically a scanning-mode detector aerial array;
FIG. 3 is a similar view of an exit doorway, showing diagrammatically an alternative form of scanning mode detector aerial array; and
FIG. 4 is a similar view of an exit doorway, showing diagrammatically another from of scanning-mode aerial.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
In accordance with this invention, each article of merchandise to be sold in a store carries a tag to which data can be written and from which data can be read. The tag generally comprises a small flat semiconductor chip: in the case of garments, the chip is preferably bonded to the usual label of the garment. The chip may include an air-core aerial or a ferrite core aerial for inductive coupling with read/write equipment both for powering the chip and for data transfer.
Preferably the manufacturer or wholesaler of the merchandise uses data-write equipment which inductively couples to the tag of each article to write into the tag data such as a code identifying the article, the identity of the manufacturer and/or wholesaler and the date of manufacture.
As shown in FIG. 1 of the drawings, each store has read-write equipment 10 at its goods-entry. This equipment 10 is linked to a stock control computer 20 of the store, and via an inductively-coupling read head 11 reads the tag of each article newly-received into the store to identify the article and add it to the data held by the computer 20. Also via an inductively-coupling write head 12 the equipment 10 writes data to the tag of each article, this data including the identity of the store and the date of receipt of the article. The equipment 10 preferably includes a visual display 13 for showing the data read from each tag and for verifying the data written into each tag. The equipment 10 may also have a keyboard 14 for manually entering any other desired data into the tag memory.
Each store also has at least one point-of-sale, having read/write equipment 30. This equipment is linked to the store's stock control computer 20 which, in addition to maintaining a record of the numbers of the different articles or items of merchandise within the store, also maintains a record of the current price applicable to each different article. The equipment 30 is used to read, via an inductively-coupling read head 31, the tag of each article being purchased: the identity code is read from the tag and the current price of the article is obtained by referring this code to the computer 20. The equipment 30 includes a visual display 32 arranged to display the identity of the article and its current price. The equipment 30 further includes a printer 33 to print a bill or receipt for the customer, the data for this being derived from that read from the tag of each article being purchased. The equipment 30 also includes an inductively-coupling write head 34 which writes data into the tag of each article being purchased, to indicate that the article has been paid for: this data preferably includes the date of the sale and the actual price paid. As each article is purchased, the stock control computer 20 debits its stock control records accordingly.
At the or each exit of the store, a fixed detector 40 is installed to check that every article being taken out of the store has been paid for. Thus, the detector 40 includes an inductively-coupling read head 41 to read data from the tag of each article being taken of the store, to determine whether the tag carries data indicating that it has been paid for (i.e. the data that should have been written in at the point of sale). If the detector 40 fails to read such data, it initiates an alarm.
In an alternative, the point-of-sale equipment 30 may erase a special indicator from the tag memory: then if the exit detector 40 detects the presence of such an indicator (indicating that the customer is carrying an article that has not been paid for), the detector 40 initiates its alarm.
Preferably the store also has detector equipment installed internally of the store, for example at passageways between departments or at stairways or escalators between floors. Normally customers would pay for the goods from one department or floor before moving to another department or floor: these detectors can therefore monitor movements of merchandise within the store, being arranged (similar to the exit-detectors) to read the tags of articles passing them to determine whether those articles have been paid for at one of the store's points-of-sale. Preferably these in-store detectors are arranged to initiate a low level or discrete alarm enabling staff to discretely monitor customers: for example the alarm may consist of a light positioned to be visible only by members of staff, e.g. a security guard. Such a detector may also be carried or worn by an in-store security guard, who can then discretely screen any customer within the store: in this case the alarm may be an audible alarm e.g transmitted to an ear plug.
The store also has a refunds or returns department, which includes read/write equipment 50. When a customer returns an article to this department, the equipment 50 is used via its inductively-coupling read head 51 to read the tag to check that the article had been paid for and to determine the date of purchase and the price paid. This information is erased from the tag memory via an inductively-coupling write head 52 of the equipment 50: also the identity of the store and date of receipt is written into the tag, and the store's stock control records are updated, so that the article can be placed back on sale within the store.
It will be appreciated that although separate read and write heads are shown in each of the items of equipment 10, 30 and 50, each pair of read and write heads (e.g. 11 and 12) may comprise a single aerial.
Referring to FIG. 2, the detector equipment at each exit or internal fixed location of the store preferably comprise an array of ferrite core aerials 60 spaced apart across the width of the exit and directed vertically: for example as shown the aerials may be positioned above the exit and directed downwardly. The effective field of each aerial is shown by dotted lines, and is generally in the shape of an elongated pear which extends the height of the exit but is relatively narrow. In use, the aerials 60 are switched one-by-one to effect a scan across the width of the exit. As shown in FIG. 3, alternate aerials 60, 61 may be positioned above and below the exit. Instead, the array(s) may be spaced apart up the vertical side(s) of the exit and directed across its width. As shown in FIG. 4, there may be a single aerial 62 which is continuously energised and mounted to a drive apparatus which moves (e.g. pivots or linearly displaces) the aerial 62 back-and-forth across the exit, effectively in a scanning mode.

Claims (45)

1. A security system for detecting unauthorized removal of goods from a restricted area having at least one goods entry and at least one goods exit, in which each of the goods carries a read/write tag, the security system comprising:
a) first read/write means at the at least one goods entry;
b) second read/write means at the at least one goods exit;
c)b) stock control computer means linked to said first read/write means for reading/writing first specific data from/to the respective tag of each of the goods entering the restricted area;
d)c) at least one point of authorization means having thirdsecond read/write means, said thirdsecond read/write means being linked to said stock control computer means and arranged to change second specific data on the respective tag to indicate that the exit of the goods from the restricted area has been authorized;
f)d) at least one fixed detector means at the at least one goods exit for reading eacha tag of the goods to determine if said second specific data have been changed on the tag;
g)e) means for initiating an alarm if said fixed detector means determines no change of said second specific data; and
h)f) at least one refunds/returns detector means having fourththird read/write means, said fourththird read/write means for reading the respective tag of each of the goods presented to said refunds/returns detector means and to determine if said second specific data have been changed on the tag, and to change said second specific data.
2. A security system according to claim 1, wherein:
said read/write tag comprises a semiconductor chip to which data can be written and from which data can be readsaid second read/write means is linked to said stock control computer means and arranged to delete or write second specific data on the respective tag to indicate that the exit of the goods from the restricted area has been authorized;
said at least one fixed detector means at the at least one goods exit determines if said second specific data have been deleted or written on the tag;
said fixed detector means determines whether no second specific data has been deleted or written on the tag; and
said at least one refunds/returns detector means determines if said second specific data have been deleted or written on the tag.
3. A security system according to claim 2, wherein:
said semiconductor chip includes an air core aerial or a ferrite core aerial for inductive coupling with any of said read/write means.
4. A security system according to claim 1, wherein:
said first read/write means is arranged to read the respective tag of each of the goods entering said area to identify the goods and add said first specific data to said stock control computer means.
5. A security system according to claim 1, wherein:
said first read/write means is arranged to write said first specific data to the respective tag of each of the goods, said first specific data including the identity of the restricted area and the date of receipt of the goods.
6. A security system according to claim 1, wherein:
said first read/write means includes a visual display for showing said first specific data has been read/written from/to each tag of the goods.
7. A security system according to claim 1, wherein:
said first read/write means further includes a keyboard for manually entering other data into the tag of the goods.
8. A security system according to claim 1, wherein:
said stock control computer means is arranged to maintain a record of the numbers of different goods and a record of the current price for each of the different goods.
9. A security system according to claim 1, wherein:
said third second read/write means is arranged to read an identity code from the respective tag of each of the goods being purchased.
10. A security system according to claim 9, wherein:
said identity code is referred to said stock control computer means to obtain the current price of each of the goods.
11. A security system according to claim 1, wherein:
said third second read/write means is arranged to write data to the respective tag of each of the goods being purchased, said data including the date of sale and the actual price paid.
12. A security system according to claim 1, wherein:
said third second read/write means includes a visual display.
13. A security system according to claim 1, wherein:
said third second read/write means is connected to a printer to print a bill or a receipt.
14. A security system according to claim 1, wherein:
said fourth third read/write means is arranged to read the respective tag of the goods to check that the goods have been paid for and to determine the date of purchase and the price paid.
15. A security system according to claim 14, wherein:
said fourth third read/write means is arranged to erase said second specific data from the tag and to write said second specific data to the tag, including the identity of the restricted area and the date of receipt of the goods.
16. A security system according to claim 1, wherein:
said fixed detector means is arranged to read the respective tag of each of the goods, to determine whether the tag carries data indicating that each of the goods has been paid for, and, upon failure to indicate that each of the goods has been for, to initiate said alarm means.
17. A security system according to claim 1, wherein: said fixed detector means is within said restricted area and is arranged to monitor movements of the goods within the restricted area and to read the tags of the goods passing said fixed detector means to determine whether the goods have been paid for, and otherwise to initiate an alarm.
18. A security system according to claim 1, wherein:
said fixed detector means comprises at least one ferrite core aerial arranged to act in a scanning mode.
19. A security system according to claim 1, wherein:
said at least one fixed detector means includes a plurality of spaced apart ferrite core aerials, and means for switching said aerials one by one in scanning mode.
20. A security system according to claim 1, wherein:
said fixed detector means comprises a ferrite core aerial mounted to drive means, which drive means is arranged to displace said aerial in scanning mode.
21. A security system for detecting unauthorized removal of goods from a restricted area having at least one goods entry and at least one goods exit, in which each of the goods carries a semiconductor chip to which data can be written and from which data can be read, the security system comprising:
a) first read/write means at the at least one goods entry;
b) second read/write means at the at least one goods exit;
c)b) stock control computer means linked to said first read/write means, to read/write first specific data from/to a respective said semiconductor chip of each of the goods entering the restricted area;
d)c) at least one point of authorization means having thirdsecond read/write means, said thirdsecond read/write means being linked to said stock control computer means, arranged to change second specific data on the respective semiconductor chip to indicate that the exit of the goods from the restricted area has been authorized;
e)d) at least one fixed detector means at the at least one goods exit, arranged to read each tag of the goods to determine if said second specific data have been changed on said semiconductor chip;
f)e) means for initiating an alarm if said fixed detector means determines no-change of said second specific data; and
g)f) at least one refunds/returns detector means having fourththird read/write means, said fourththird read/write means for reading the respective semiconductor chip of each of the goods presented to said refunds/returns detector means and for determining if said second specific data have been changed on the semiconductor chip, and to change said second specific data.
22. A security system for detecting unauthorized removal of good from a restricted area having at least one goods entry and at least one goods exit, in which each of the goods carries a read/write tag, the security system comprising:
a) first read/write means at the at least one goods entry;
b) second read/write means at the at least one goods exit;
c)b) stock control computer means linked to said first read/write means, for reading/writing first specific data from/to the respective tag of each of the goods entering the restricted area;
d)c) at least one point of authorization means having thirdsecond read/write means, said thirdsecond read/write means linked to said stock control computer means and arranged to change second specific data on the respective tag to indicate that the exit of the goods from the restricted area has been authorized;
e)d) at least one fixed detector means at said at least one goods exit for reading each tag of the goods and for determining if said second specific data have been changed on the tag; and
f)e) means for initiating an alarm if said fixed detector means determines no change of said second specific data, said fixed detector means having at least one ferrite core aerial mounted to a drive apparatus which is arranged to displace the aerial in a scanning mode across said at least one goods exit.
23. A security system to detect unauthorized removal of articles from a restricted area such as a retail store, in which each article carries a read/write tag, the security system comprising:
at least one point-of-sale or point-of-authorization apparatus arranged to write specific data into (or erase specific data from) the tag to indicate that the article has been paid for, or its removal has otherwise been authorized;
a detector apparatus for the or each exit of said restricted area, said detector apparatus being arranged to read each tag to determine if said specific data has been written into (or erased from) the tag and otherwise to initiate an alarm; and
a refunds/returns detector apparatus arranged to read the tag of each article presented to it and to determine if said specific data has been written into (or erased from) the tag, and to erase (or write in) said data so that the article can be returned to stock.
24. The security system of claim 23, wherein the read/write tag comprises a semiconductor chip to which data can be written and from which data can be read.
25. The security system of claim 24, wherein the semiconductor chip includes one of an air core aerial and a ferrite core aerial for inductive coupling with any of the point-of-sale or point-of-authorization apparatus, the detector apparatus and the refunds/returns detector apparatus.
26. The security system of claim 23, further comprising:
goods entry read/write means at at least one goods entry of the restricted area arranged to read specific goods-identifying data of each tag entering the restricted area and to write additional specific data including the identity of the restricted area and the date of receipt of the goods to the tag.
27. The security system of claim 26, further comprising:
stock control computer means linked to said goods entry read/write means for receiving and storing said specific goods-identifying data of each tag entering the restricted area.
28. The security system of claim 27, wherein the goods entry read/write means further comprises a visual display for showing the specific goods-identifying data read from each tag, and the additional specific data written to each tag.
29. The security system of claim 27, wherein the stock control computer means is arranged to maintain a record of the numbers of different goods and a record of a current price for each of the different goods.
30. The security system of claim 27, wherein the at least one point-of-sale or point-of-authorization apparatus further comprises:
point-of-sale read/write means arranged to read an identity code of a respective tag of each of the goods being purchased.
31. The security system of claim 30, wherein said identity code read from the respective tag by said point-of-sale read/write means is referred to said stock control computer means to obtain the current price of each of the goods being purchased.
32. The security system of claim 23, wherein the at least one point-of-sale or point-of-authorization apparatus further comprises:
point-of-sale read/write means arranged to write data including a date of sale and an actual price paid to the tag.
33. The security system of claim 32, wherein the point-of-sale read/write means further comprises:
a visual display.
34. The security system of claim 32, wherein the point-of-sale read/write means is connected to a printer to print a bill or receipt.
35. A security system to detect unauthorized removal of articles from a restricted area such as a retail store, in which each article carries a read/write tag, the security system comprising:
at least one point-of-sale or point-of-authorization apparatus arranged to write specific data into (or erase specific data from) the tag to indicate that the article has been paid for, or its removal has otherwise been authorized, and in which said specific data represents the date of sale and the actual price paid; and
a detector apparatus for the or each exit of said restricted area, said detector apparatus being arranged to read each tag to determine if said specific data has been written into (or erased from) the tag and otherwise to initiate an alarm.
36. The security system of claim 35, wherein the read/write tag comprises a semiconductor chip to which data can be written and from which data can be read.
37. The security system of claim 36, wherein the semiconductor chip includes one of an air core aerial and a ferrite core aerial for inductive coupling with any of the point-of-sale or point-of-authorization apparatus and the detector apparatus.
38. A security system to detect unauthorized removal of articles from a restricted area such as a retail store, in which each article carries a read/write tag, the security system comprising:
at least one point-of-sale or point-of authorization apparatus arranged to write specific data into (or erase specific data from) the tag to indicate that the article has been paid for, or its removal has otherwise been authorized, and in which said specific data represents the date of sale and the actual price paid; and
a detector apparatus for the or each exit of said restricted area, said detector apparatus being arranged to read each tag to determine if said specific data has been written into (or erased from) the tag and otherwise to initiate an alarm; and
a refunds/returns detector apparatus arranged to read the tag of each article presented to it and to determine if said specific data has been written into (or erased from) the tag, and to erase (or write in) said specific data so that the article can be returned to stock.
39. The security system of claim 38, wherein the read/write tag comprises a semiconductor chip to which data can be written and from which data can be read.
40. The security system of claim 39, wherein the semiconductor chip includes an air core aerial for inductive coupling with any of the point-of-sale or point-of-authorization apparatus, the detector apparatus and the refunds/returns detector apparatus.
41. The security system of claim 39, wherein the semiconductor chip includes a ferrite core aerial for inductive coupling with any of the point-of-sale or point-of-authorization apparatus, the detector apparatus and the refunds/returns detector apparatus.
42. A security system to detect unauthorized removal of articles from a restricted area such as a retail store, in which each article carries a read/write tag, the security system comprising:
at least one point-of-sale or point-of authorization apparatus arranged to write specific data into (or erase specific data from) the tag to indicate that the article has been paid for, or its removal has otherwise been authorized;
a detector apparatus for the or each exit of said restricted area, said detector apparatus being arranged to read each tag to determine if said specific data has been written into (or erased from) the tag and otherwise to initiate an alarm; and
at least one ferrite core aerial mounted to a drive apparatus which is arranged to displace said aerial in a scanning mode across said or each exit or another passageway of said restricted area.
43. The security system of claim 42, wherein the read/write tag comprises a semiconductor chip to which data can be written and from which data can be read.
44. The security system of claim 43, wherein the semiconductor chip includes an air core aerial for inductive coupling with any of the point-of-sale or point-of-authorization apparatus, the detector apparatus and the refunds/returns detector apparatus.
45. The security system of claim 43, wherein the semiconductor chip includes a ferrite core aerial for inductive coupling with any of the point-of-sale or point-of-authorization apparatus, the detector apparatus and the refunds/returns detector apparatus.
US09/487,832 1992-02-11 1993-02-11 Security system Expired - Fee Related USRE38702E1 (en)

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PCT/GB1993/000287 WO1993017404A1 (en) 1992-02-11 1993-02-11 Security system
US09/487,832 USRE38702E1 (en) 1992-02-11 1993-02-11 Security system
US08/284,585 US5710540A (en) 1992-02-11 1993-02-11 Security system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060017569A1 (en) * 2004-02-10 2006-01-26 Davies Nicholas C Theft deterrent system
US20110066460A1 (en) * 2002-04-30 2011-03-17 Alonso Jose M Security and property scheduling management system
US8460337B2 (en) 2010-06-09 2013-06-11 Ethicon Endo-Surgery, Inc. Selectable handle biasing
US9275530B1 (en) * 2013-01-10 2016-03-01 The Boeing Company Secure area and sensitive material tracking and state monitoring

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6261590A (en) * 1985-09-10 1987-03-18 Fuji Oil Co Ltd Enzymic treatment of fat or oil
FR2727549B1 (en) * 1994-11-29 1997-03-28 Verardi Giorgio Adriano GLOBAL AND UNCONDITIONAL SECURITY PROCESS IN THE MONITORING OF ARTICLES (EAS) ON A PREDETERMINED PLACE BY MESH OF PSEUDO-SATELLITES AND ACQUISITION UNITS
AU1376895A (en) * 1994-12-23 1996-07-19 Diane P Green A personal gps security system
US5874896A (en) * 1996-08-26 1999-02-23 Palomar Technologies Corporation Electronic anti-shoplifting system employing an RFID tag
US5990794A (en) * 1996-09-26 1999-11-23 Sensormatic Electronics Corporation Apparatus for data communication and deactivation of electronic article surveillance tags
US6434159B1 (en) 1996-10-15 2002-08-13 Motorola, Inc. Transaction system and method therefor
ATE263404T1 (en) * 1997-01-25 2004-04-15 Philip Noel Leonard IDENTIFICATION OR CONTROL ARRANGEMENT
US5963133A (en) * 1997-07-18 1999-10-05 Monjo; Nicolas Electronic tag
US5963134A (en) 1997-07-24 1999-10-05 Checkpoint Systems, Inc. Inventory system using articles with RFID tags
US6025780A (en) * 1997-07-25 2000-02-15 Checkpoint Systems, Inc. RFID tags which are virtually activated and/or deactivated and apparatus and methods of using same in an electronic security system
GB2329301A (en) * 1997-09-16 1999-03-17 Nigel Howard Petty Merchandise security tag with data storage
ES2137891B1 (en) * 1998-02-27 2000-08-16 Informatica El Corte Ingles S SYSTEM TO ENSURE THE UNCOUPLING OF PROTECTION LABELS OF GOODS AT THE TIME OF SALE.
FR2784775B1 (en) * 1998-10-16 2001-01-05 Veronique Roulleaux Robin SYSTEM FOR THE PROTECTION OF GOODS CARRIED BY A VEHICLE
US7416117B1 (en) * 1998-12-21 2008-08-26 Ncr Corporation Method and apparatus for determining if a user walks away from a self-service checkout terminal during operation thereof
AUPP795498A0 (en) * 1998-12-24 1999-01-28 Gemplus Tag Australia Pty Ltd Object and document control system
US6169483B1 (en) 1999-05-04 2001-01-02 Sensormatic Electronics Corporation Self-checkout/self-check-in RFID and electronics article surveillance system
US6598790B1 (en) 1999-06-22 2003-07-29 Douglas B. Horst Self-service checkout
US6911908B1 (en) * 1999-10-08 2005-06-28 Activerf Limited Security
NL1013245C2 (en) * 1999-10-08 2001-04-10 Nedap Nv Open system technology.
JP2003512663A (en) * 1999-12-07 2003-04-02 データマーズ、ソシエテ、アノニム Repeater operation method
GB2359455B (en) * 2000-02-19 2004-07-28 Hydroclean Retail Maintenance Security arrangements
WO2002080123A1 (en) * 2001-03-30 2002-10-10 Bernhard Hesse Method for automatically monitoring and managing articles
US6507279B2 (en) 2001-06-06 2003-01-14 Sensormatic Electronics Corporation Complete integrated self-checkout system and method
US7091858B2 (en) * 2003-01-14 2006-08-15 Sensormatic Electronics Corporation Wide exit electronic article surveillance antenna system
JP2006514369A (en) * 2003-02-21 2006-04-27 センサーマチック・エレクトロニックス・コーポレーション Integrated electronic merchandise monitoring (EAS) and point of sale (POS) system and method
FR2858865B1 (en) * 2003-08-12 2005-10-21 Raimbault Pierre ANTI-THEFT RFID LABELING, LABEL AND BASE-STATION TAGGING METHOD USING THE SAME
US20090096588A1 (en) * 2004-12-08 2009-04-16 Gerhard Stephanus Mynhardt Method Of Transmitting Product Information Read From An Identification Tag To A Processor And A System Therefor
US20070164865A1 (en) * 2005-11-04 2007-07-19 Gerald Giasson Security sensor system
US20110254661A1 (en) * 2005-12-23 2011-10-20 Invue Security Products Inc. Programmable security system and method for protecting merchandise
DE102011018476A1 (en) * 2011-04-21 2012-10-25 Dula-Werke Dustmann & Co. Gmbh System for use in a retail store
US11017656B2 (en) 2011-06-27 2021-05-25 Invue Security Products Inc. Programmable security system and method for protecting merchandise
JP6134262B2 (en) * 2013-12-27 2017-05-24 東芝テック株式会社 Product information input device, system and program
EP3221854A4 (en) 2014-11-18 2018-08-01 InVue Security Products, Inc. Key and security device
US10438470B2 (en) * 2016-07-07 2019-10-08 Symbol Technologies, Llc System for and method of deterring theft of items from a venue

Citations (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898619A (en) 1973-06-29 1975-08-05 Glenayre Electronics Ltd Object location/identification system
US4135184A (en) * 1977-08-31 1979-01-16 Knogo Corporation Electronic theft detection system for monitoring wide passageways
US4242576A (en) * 1976-12-14 1980-12-30 Id-Select Bo Thelin Och Co. Electronic identification device
US4274090A (en) * 1980-02-19 1981-06-16 Knogo Corporation Detection of articles in adjacent passageways
US4308530A (en) * 1977-07-19 1981-12-29 N.V. Nederlandsche Apparatenfabriek Nedap Detection system forming wide gates with superior spatial selectivity
EP0101955A2 (en) 1982-08-04 1984-03-07 Hitachi, Ltd. Path control method and apparatus
EP0112493A1 (en) * 1982-12-01 1984-07-04 Schunk Metall und Kunststoff GmbH Device to activate and/or deactivate a security label with magnetizable layers
US4471345A (en) 1982-03-05 1984-09-11 Sensormatic Electronics Corporation Randomized tag to portal communication system
US4656463A (en) * 1983-04-21 1987-04-07 Intelli-Tech Corporation LIMIS systems, devices and methods
US4686513A (en) 1985-09-30 1987-08-11 Sensormatic Electronics Corporation Electronic surveillance using self-powered article attached tags
US4724427A (en) 1986-07-18 1988-02-09 B. I. Incorporated Transponder device
US4816824A (en) * 1980-06-23 1989-03-28 Light Signatures, Inc. Merchandise verification and information system
US4857893A (en) 1986-07-18 1989-08-15 Bi Inc. Single chip transponder device
US4870391A (en) * 1988-04-05 1989-09-26 Knogo Corporation Multiple frequency theft detection system
US4918296A (en) * 1987-03-06 1990-04-17 Omron Tateisi Electronics Company Article identifying system
US4924171A (en) * 1987-10-08 1990-05-08 Tokyo Keiki Co., Ltd. System for supplying power source by electromagnetic induction coupling
US4962369A (en) 1989-02-09 1990-10-09 Marcia Israel Merchandise security system utilizing RF transmitter
US5005125A (en) 1986-02-28 1991-04-02 Sensormatic Electronics Corporation Surveillance, pricing and inventory system
US5068655A (en) 1989-04-04 1991-11-26 Universite Des Sciences Et Techniques De Lille (U.S.T.L.) Flandres Artois Device for detecting the passage of at least one mobile body in at least one location fixed by its travel
US5081445A (en) * 1991-03-22 1992-01-14 Checkpoint Systems, Inc. Method for tagging articles used in conjunction with an electronic article surveillance system, and tags or labels useful in connection therewith
US5099226A (en) 1991-01-18 1992-03-24 Interamerican Industrial Company Intelligent security system
US5103222A (en) 1987-07-03 1992-04-07 N.V. Nederlandsche Apparatenfabriek Nedap Electronic identification system
US5153583A (en) 1987-11-18 1992-10-06 Uniscan Ltd. Transponder
US5164985A (en) 1987-10-27 1992-11-17 Nysen Paul A Passive universal communicator system
US5214409A (en) 1991-12-03 1993-05-25 Avid Corporation Multi-memory electronic identification tag
US5216419A (en) 1987-12-17 1993-06-01 Omron Tateisi Electronics Co. Data carrier identification system
US5235326A (en) 1991-08-15 1993-08-10 Avid Corporation Multi-mode identification system
US5257011A (en) 1991-12-03 1993-10-26 Avid Corporation Data altering means for multi-memory electronic identification tag
US5372386A (en) * 1993-11-26 1994-12-13 Mills; William B. Automated reconciliation system
US5382952A (en) 1992-01-22 1995-01-17 Indala Corporation Transponder for proximity identification system
US5404147A (en) 1992-10-28 1995-04-04 Sensormatic Electronics Corporation EAS system loop antenna having three loops of different area

Patent Citations (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898619A (en) 1973-06-29 1975-08-05 Glenayre Electronics Ltd Object location/identification system
US4242576A (en) * 1976-12-14 1980-12-30 Id-Select Bo Thelin Och Co. Electronic identification device
US4308530A (en) * 1977-07-19 1981-12-29 N.V. Nederlandsche Apparatenfabriek Nedap Detection system forming wide gates with superior spatial selectivity
US4135184A (en) * 1977-08-31 1979-01-16 Knogo Corporation Electronic theft detection system for monitoring wide passageways
US4274090A (en) * 1980-02-19 1981-06-16 Knogo Corporation Detection of articles in adjacent passageways
US4816824A (en) * 1980-06-23 1989-03-28 Light Signatures, Inc. Merchandise verification and information system
US4471345A (en) 1982-03-05 1984-09-11 Sensormatic Electronics Corporation Randomized tag to portal communication system
EP0101955A2 (en) 1982-08-04 1984-03-07 Hitachi, Ltd. Path control method and apparatus
EP0112493A1 (en) * 1982-12-01 1984-07-04 Schunk Metall und Kunststoff GmbH Device to activate and/or deactivate a security label with magnetizable layers
US4656463A (en) * 1983-04-21 1987-04-07 Intelli-Tech Corporation LIMIS systems, devices and methods
US4686513A (en) 1985-09-30 1987-08-11 Sensormatic Electronics Corporation Electronic surveillance using self-powered article attached tags
US5005125A (en) 1986-02-28 1991-04-02 Sensormatic Electronics Corporation Surveillance, pricing and inventory system
US4724427A (en) 1986-07-18 1988-02-09 B. I. Incorporated Transponder device
US4857893A (en) 1986-07-18 1989-08-15 Bi Inc. Single chip transponder device
US4918296A (en) * 1987-03-06 1990-04-17 Omron Tateisi Electronics Company Article identifying system
US5103222A (en) 1987-07-03 1992-04-07 N.V. Nederlandsche Apparatenfabriek Nedap Electronic identification system
US4924171A (en) * 1987-10-08 1990-05-08 Tokyo Keiki Co., Ltd. System for supplying power source by electromagnetic induction coupling
US5164985A (en) 1987-10-27 1992-11-17 Nysen Paul A Passive universal communicator system
US5153583A (en) 1987-11-18 1992-10-06 Uniscan Ltd. Transponder
US5216419A (en) 1987-12-17 1993-06-01 Omron Tateisi Electronics Co. Data carrier identification system
US4870391A (en) * 1988-04-05 1989-09-26 Knogo Corporation Multiple frequency theft detection system
US4962369A (en) 1989-02-09 1990-10-09 Marcia Israel Merchandise security system utilizing RF transmitter
US5068655A (en) 1989-04-04 1991-11-26 Universite Des Sciences Et Techniques De Lille (U.S.T.L.) Flandres Artois Device for detecting the passage of at least one mobile body in at least one location fixed by its travel
US5099226A (en) 1991-01-18 1992-03-24 Interamerican Industrial Company Intelligent security system
US5081445A (en) * 1991-03-22 1992-01-14 Checkpoint Systems, Inc. Method for tagging articles used in conjunction with an electronic article surveillance system, and tags or labels useful in connection therewith
US5235326A (en) 1991-08-15 1993-08-10 Avid Corporation Multi-mode identification system
US5214409A (en) 1991-12-03 1993-05-25 Avid Corporation Multi-memory electronic identification tag
US5257011A (en) 1991-12-03 1993-10-26 Avid Corporation Data altering means for multi-memory electronic identification tag
US5382952A (en) 1992-01-22 1995-01-17 Indala Corporation Transponder for proximity identification system
US5404147A (en) 1992-10-28 1995-04-04 Sensormatic Electronics Corporation EAS system loop antenna having three loops of different area
US5372386A (en) * 1993-11-26 1994-12-13 Mills; William B. Automated reconciliation system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
International Preliminary Examination Report, PCT/GB93/00287.

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110066460A1 (en) * 2002-04-30 2011-03-17 Alonso Jose M Security and property scheduling management system
US20130226644A1 (en) * 2002-04-30 2013-08-29 Enforce Global LLC Method for scheduling security of real property
US20060017569A1 (en) * 2004-02-10 2006-01-26 Davies Nicholas C Theft deterrent system
US7414531B2 (en) * 2004-02-10 2008-08-19 Nicholas Charles Davies Theft deterrent system
US20080258920A1 (en) * 2004-02-10 2008-10-23 Nicholas Charles Davies Theft deterrent system
US8460337B2 (en) 2010-06-09 2013-06-11 Ethicon Endo-Surgery, Inc. Selectable handle biasing
US9275530B1 (en) * 2013-01-10 2016-03-01 The Boeing Company Secure area and sensitive material tracking and state monitoring

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EP0626087A1 (en) 1994-11-30
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GB9210734D0 (en) 1992-07-08
US5710540A (en) 1998-01-20
WO1993017404A1 (en) 1993-09-02

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