CA2200341A1 - Optical Data Communication and Location Apparatus, System and Method and Transmitters and Receivers for Use Therewith - Google Patents

Optical Data Communication and Location Apparatus, System and Method and Transmitters and Receivers for Use Therewith

Info

Publication number
CA2200341A1
CA2200341A1 CA2200341A CA2200341A CA2200341A1 CA 2200341 A1 CA2200341 A1 CA 2200341A1 CA 2200341 A CA2200341 A CA 2200341A CA 2200341 A CA2200341 A CA 2200341A CA 2200341 A1 CA2200341 A1 CA 2200341A1
Authority
CA
Canada
Prior art keywords
data
transmitters
location
receiver
data communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2200341A
Other languages
French (fr)
Other versions
CA2200341C (en
Inventor
Robert T. Shipley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hill Rom Services Inc
Original Assignee
Robert T. Shipley
Fisher Berkeley Corporation
Hill-Rom Services, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert T. Shipley, Fisher Berkeley Corporation, Hill-Rom Services, Inc. filed Critical Robert T. Shipley
Priority to CA002320671A priority Critical patent/CA2320671A1/en
Publication of CA2200341A1 publication Critical patent/CA2200341A1/en
Application granted granted Critical
Publication of CA2200341C publication Critical patent/CA2200341C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/1149—Arrangements for indoor wireless networking of information
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G08B13/2451—Specific applications combined with EAS
    • G08B13/2462—Asset location systems combined with EAS
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/248—EAS system combined with another detection technology, e.g. dual EAS and video or other presence detection system

Abstract

An optical data communication and location apparatus for at least one location in a facility having at least one receiver at said at least one location. A
plurality of portable transmitters provides optical wireless data links with the receiver. Each of the transmitters has a power supply with circuitry for transmitting data packets over said optical wireless data links to the receiver. The circuitry for transmitting data packets generates a data code having at least two time frames, each of the at least two times frames being divided into at least two data time slots. Each frame has exactly one pulse in one data time slot whereby in each data packet, there is encoded n-bits of binary data where 2n is equal to the number of time slots in each frame.
CA002200341A 1994-09-21 1995-09-13 Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith Expired - Fee Related CA2200341C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002320671A CA2320671A1 (en) 1994-09-21 1995-09-13 Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US30984894A 1994-09-21 1994-09-21
US08/309,848 1994-09-21
PCT/US1995/012206 WO1996009698A1 (en) 1994-09-21 1995-09-13 Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002320671A Division CA2320671A1 (en) 1994-09-21 1995-09-13 Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith

Publications (2)

Publication Number Publication Date
CA2200341A1 true CA2200341A1 (en) 1996-03-28
CA2200341C CA2200341C (en) 2000-10-31

Family

ID=23199925

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002320671A Abandoned CA2320671A1 (en) 1994-09-21 1995-09-13 Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith
CA002200341A Expired - Fee Related CA2200341C (en) 1994-09-21 1995-09-13 Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002320671A Abandoned CA2320671A1 (en) 1994-09-21 1995-09-13 Optical data communication and location apparatus, system and method and transmitters and receivers for use therewith

Country Status (6)

Country Link
US (3) US5633742A (en)
EP (2) EP1229672B9 (en)
JP (2) JP3455744B2 (en)
CA (2) CA2320671A1 (en)
DE (2) DE69533076T2 (en)
WO (1) WO1996009698A1 (en)

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EP1373955B1 (en) * 2001-03-16 2018-05-16 Koninklijke KPN N.V. Method for providing a broadband infrastructure in a building by means of optical fibres

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EP1373955B1 (en) * 2001-03-16 2018-05-16 Koninklijke KPN N.V. Method for providing a broadband infrastructure in a building by means of optical fibres

Also Published As

Publication number Publication date
EP0782796B1 (en) 2003-01-02
CA2200341C (en) 2000-10-31
DE69529290D1 (en) 2003-02-06
WO1996009698A1 (en) 1996-03-28
EP1229672B1 (en) 2004-05-19
US5818617A (en) 1998-10-06
JPH10508724A (en) 1998-08-25
EP1229672B9 (en) 2004-11-17
CA2320671A1 (en) 1996-03-28
DE69529290T2 (en) 2003-08-28
JP3455744B2 (en) 2003-10-14
EP0782796A1 (en) 1997-07-09
DE69533076D1 (en) 2004-06-24
JP2003124880A (en) 2003-04-25
US5745272A (en) 1998-04-28
US5633742A (en) 1997-05-27
EP1229672A3 (en) 2002-11-20
DE69533076T2 (en) 2004-10-07
EP1229672A2 (en) 2002-08-07

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