US3725888A - Detector system - Google Patents
Detector system Download PDFInfo
- Publication number
- US3725888A US3725888A US00131222A US3725888DA US3725888A US 3725888 A US3725888 A US 3725888A US 00131222 A US00131222 A US 00131222A US 3725888D A US3725888D A US 3725888DA US 3725888 A US3725888 A US 3725888A
- Authority
- US
- United States
- Prior art keywords
- detector
- alarm
- output
- signal
- output signal
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
-
- 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
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
- G08B13/2494—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field by interference with electro-magnetic field distribution combined with other electrical sensor means, e.g. microwave detectors combined with other sensor means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Burglar Alarm Systems (AREA)
Abstract
Description
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13122271A | 1971-04-05 | 1971-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3725888A true US3725888A (en) | 1973-04-03 |
Family
ID=22448478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00131222A Expired - Lifetime US3725888A (en) | 1971-04-05 | 1971-04-05 | Detector system |
Country Status (8)
Country | Link |
---|---|
US (1) | US3725888A (en) |
AU (1) | AU462611B2 (en) |
BE (1) | BE781069A (en) |
CH (1) | CH563043A5 (en) |
DE (1) | DE2216236B2 (en) |
FR (1) | FR2131997B1 (en) |
GB (1) | GB1342552A (en) |
IT (1) | IT950945B (en) |
Cited By (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3801978A (en) * | 1972-07-20 | 1974-04-02 | E Systems Inc | Ultrasonic-microwave doppler intrusion alarm system |
US3866198A (en) * | 1973-10-17 | 1975-02-11 | Leopold Cohen | Ultrasonic intrusion detection systems employing turbulence discrimination |
US3898640A (en) * | 1972-07-31 | 1975-08-05 | Romen Faser Kunststoff | Method and apparatus for providing space security based upon the acoustical characteristics of the space |
US3922660A (en) * | 1974-12-12 | 1975-11-25 | American District Telegraph Co | Volumetric intrusion alarm using both Doppler and net-change signal processing |
US4010459A (en) * | 1974-11-07 | 1977-03-01 | Borge Schloger | Systems for the detection of moving objects within a survey area by microwave diffraction |
US4087814A (en) * | 1976-11-05 | 1978-05-02 | Ernst Spirig | Intruder alarm systems |
US4141091A (en) * | 1976-12-10 | 1979-02-27 | Pulvari Charles F | Automated flush system |
US4331952A (en) * | 1980-09-22 | 1982-05-25 | American District Telegraph Company | Redundant sensor adapter |
US4401976A (en) * | 1980-01-16 | 1983-08-30 | Stadelmayr Hans G | Multiple sensor interconnected alarm system responsive to different variables |
EP0147925A1 (en) * | 1983-10-19 | 1985-07-10 | C & K Systems, Inc. | Combination infrared microwave intrusion detector |
US4710750A (en) * | 1986-08-05 | 1987-12-01 | C & K Systems, Inc. | Fault detecting intrusion detection device |
EP0255812A2 (en) * | 1986-08-08 | 1988-02-10 | ELKRON S.p.A. | Monitoring device with infrared and radio-frequency sensor components |
EP0276306A1 (en) * | 1986-05-16 | 1988-08-03 | Denning Mobile Robotics, Inc. | Intrusion detection system |
US4833450A (en) * | 1988-04-15 | 1989-05-23 | Napco Security Systems, Inc. | Fault detection in combination intrusion detection systems |
DE3911180A1 (en) * | 1988-04-08 | 1989-10-19 | Matsushita Electric Works Ltd | NOTIFICATION DEVICE FOR PREVENTING CRIME BY MEANS OF A VERBUND SENSOR SYSTEM |
EP0367402A1 (en) * | 1988-09-29 | 1990-05-09 | C & K Systems, Inc. | An intrusion detection system and a method therefor |
US4940967A (en) * | 1989-08-31 | 1990-07-10 | Burle Technologies, Inc. | Balanced digital infrared detector circuit |
US5189393A (en) * | 1991-06-07 | 1993-02-23 | The Watt Stopper Inc. | Dual technology motion sensor |
US5475365A (en) * | 1993-01-28 | 1995-12-12 | C & K Systems, Inc. | Methods and apparatus for intrusion detection having improved immunity to false alarms |
US5821642A (en) * | 1996-11-04 | 1998-10-13 | Hubbell Incorporated | Arc prevention circuit for a mechanical switch |
US5986357A (en) * | 1997-02-04 | 1999-11-16 | Mytech Corporation | Occupancy sensor and method of operating same |
US6078253A (en) * | 1997-02-04 | 2000-06-20 | Mytech Corporation | Occupancy sensor and method of operating same |
US6538570B1 (en) | 1999-05-07 | 2003-03-25 | Honeywell International | Glass-break detector and method of alarm discrimination |
US20030171669A1 (en) * | 2002-03-11 | 2003-09-11 | Kopp Keith A. | MRI protector |
WO2004044620A1 (en) * | 2002-11-12 | 2004-05-27 | Qinetiq Limited | Ferromagnetic object detector |
US20050206515A1 (en) * | 2004-03-22 | 2005-09-22 | Alexander Pakhomov | Systems for protection against intruders |
US20060177071A1 (en) * | 2005-02-07 | 2006-08-10 | Honeywell International, Inc. | Method and system for detecting a predetermined sound event such as the sound of breaking glass |
US7194209B1 (en) * | 2002-09-04 | 2007-03-20 | Xantech Corporation | Interference resistant infrared extension system |
US20070182581A1 (en) * | 2006-02-06 | 2007-08-09 | Cooper Technologies Company | Acoustic occupancy sensor |
US20070183329A1 (en) * | 2006-02-06 | 2007-08-09 | Cooper Technologies Company | Networking of switchpacks |
US20070182580A1 (en) * | 2006-02-06 | 2007-08-09 | Cooper Technologies Company | Occupancy sensor network |
WO2008061496A1 (en) | 2006-11-24 | 2008-05-29 | S.M.S. Smart Microwave Sensors Gmbh | Method and radar arrangement for monitoring a monitoring area |
US7411489B1 (en) | 1999-12-29 | 2008-08-12 | Cooper Wiring Devices, Inc. | Self-adjusting dual technology occupancy sensor system and method |
US20080272281A1 (en) * | 2005-03-10 | 2008-11-06 | Pyronix Limited | Detector and Optical System |
US20080316025A1 (en) * | 2007-06-22 | 2008-12-25 | Cobbinah Kofi B | Sensible motion detector |
US7541924B2 (en) | 2006-02-06 | 2009-06-02 | Cooper Technologies Company | Infrared occupancy sensor |
US20090167307A1 (en) * | 2002-03-11 | 2009-07-02 | Keith Kopp | Ferromagnetic detection enhancer |
US20110169629A1 (en) * | 2005-02-02 | 2011-07-14 | Pyronix Limited | Detection Apparatus |
US20180364350A1 (en) * | 2016-12-06 | 2018-12-20 | Lobeye Co., Ltd. | Linear Virtual Fence System using Radar and Reflector |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1579330A (en) * | 1976-04-23 | 1980-11-19 | Auto Systems Ltd | Sensing device |
FR2433797A1 (en) * | 1978-08-17 | 1980-03-14 | Fichet Bauche | Electronic surveillance installation for strong room - monitors absence of noise and presence of light for given time period |
FR2527814A1 (en) * | 1982-05-25 | 1983-12-02 | Thomson Csf | Intruder alarm less prone to false alarms - activated IR emissions and ultrasonic reflection pref. includes polymer etc. components |
IL65906A (en) * | 1982-05-27 | 1990-03-19 | Spectronix Ltd | Apparatus for detection and destruction of incoming objects |
US4765244A (en) * | 1983-04-15 | 1988-08-23 | Spectronix Ltd. | Apparatus for the detection and destruction of incoming objects |
FR2611957B1 (en) * | 1987-03-04 | 1994-06-03 | Dreuilhe Jacqueline | BIVOLUMETRIC DOPPLER MOTION DETECTOR RADAR |
CH680881A5 (en) * | 1990-09-05 | 1992-11-30 | Cerberus Ag |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3010102A (en) * | 1947-07-05 | 1961-11-21 | Bell Telephone Labor Inc | Combination radar and thermalenergy detection system |
US3242486A (en) * | 1962-04-20 | 1966-03-22 | Johnson Service Co | Intrusion detection system |
US3560950A (en) * | 1967-03-02 | 1971-02-02 | Duane Peters | Warning signal for swinging doors |
US3564529A (en) * | 1965-10-21 | 1971-02-16 | Us Navy | Electrostatic field rate detector |
US3573817A (en) * | 1968-02-28 | 1971-04-06 | North American Rockwell | Monitoring system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3074053A (en) * | 1960-03-01 | 1963-01-15 | American District Telegraph Co | Electrical system and method for protecting premises subject to varying ambient conditions |
-
1971
- 1971-04-05 US US00131222A patent/US3725888A/en not_active Expired - Lifetime
-
1972
- 1972-02-17 AU AU39125/72A patent/AU462611B2/en not_active Expired
- 1972-02-28 GB GB915272A patent/GB1342552A/en not_active Expired
- 1972-03-06 FR FR7207673A patent/FR2131997B1/fr not_active Expired
- 1972-03-15 CH CH375972A patent/CH563043A5/xx not_active IP Right Cessation
- 1972-03-22 BE BE781069A patent/BE781069A/en unknown
- 1972-03-31 IT IT22656/72A patent/IT950945B/en active
- 1972-04-04 DE DE19722216236 patent/DE2216236B2/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3010102A (en) * | 1947-07-05 | 1961-11-21 | Bell Telephone Labor Inc | Combination radar and thermalenergy detection system |
US3242486A (en) * | 1962-04-20 | 1966-03-22 | Johnson Service Co | Intrusion detection system |
US3564529A (en) * | 1965-10-21 | 1971-02-16 | Us Navy | Electrostatic field rate detector |
US3560950A (en) * | 1967-03-02 | 1971-02-02 | Duane Peters | Warning signal for swinging doors |
US3573817A (en) * | 1968-02-28 | 1971-04-06 | North American Rockwell | Monitoring system |
Cited By (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3801978A (en) * | 1972-07-20 | 1974-04-02 | E Systems Inc | Ultrasonic-microwave doppler intrusion alarm system |
US3898640A (en) * | 1972-07-31 | 1975-08-05 | Romen Faser Kunststoff | Method and apparatus for providing space security based upon the acoustical characteristics of the space |
US3866198A (en) * | 1973-10-17 | 1975-02-11 | Leopold Cohen | Ultrasonic intrusion detection systems employing turbulence discrimination |
US4010459A (en) * | 1974-11-07 | 1977-03-01 | Borge Schloger | Systems for the detection of moving objects within a survey area by microwave diffraction |
US3922660A (en) * | 1974-12-12 | 1975-11-25 | American District Telegraph Co | Volumetric intrusion alarm using both Doppler and net-change signal processing |
US4087814A (en) * | 1976-11-05 | 1978-05-02 | Ernst Spirig | Intruder alarm systems |
US4141091A (en) * | 1976-12-10 | 1979-02-27 | Pulvari Charles F | Automated flush system |
US4401976A (en) * | 1980-01-16 | 1983-08-30 | Stadelmayr Hans G | Multiple sensor interconnected alarm system responsive to different variables |
US4331952A (en) * | 1980-09-22 | 1982-05-25 | American District Telegraph Company | Redundant sensor adapter |
EP0147925A1 (en) * | 1983-10-19 | 1985-07-10 | C & K Systems, Inc. | Combination infrared microwave intrusion detector |
EP0276306A4 (en) * | 1986-05-16 | 1989-09-11 | Denning Mobile Robotics Inc | Intrusion detection system. |
EP0276306A1 (en) * | 1986-05-16 | 1988-08-03 | Denning Mobile Robotics, Inc. | Intrusion detection system |
USRE33824E (en) * | 1986-08-05 | 1992-02-18 | Fault detecting intrusion detection device | |
US4710750A (en) * | 1986-08-05 | 1987-12-01 | C & K Systems, Inc. | Fault detecting intrusion detection device |
EP0255812A2 (en) * | 1986-08-08 | 1988-02-10 | ELKRON S.p.A. | Monitoring device with infrared and radio-frequency sensor components |
EP0255812A3 (en) * | 1986-08-08 | 1989-10-18 | ELKRON S.p.A. | Monitoring device with infrared and radio-frequency sensor components |
US4942384A (en) * | 1988-04-08 | 1990-07-17 | Matsushita Electric Works, Ltd. | Composite type crime preventive sensor |
DE3911180A1 (en) * | 1988-04-08 | 1989-10-19 | Matsushita Electric Works Ltd | NOTIFICATION DEVICE FOR PREVENTING CRIME BY MEANS OF A VERBUND SENSOR SYSTEM |
US4833450A (en) * | 1988-04-15 | 1989-05-23 | Napco Security Systems, Inc. | Fault detection in combination intrusion detection systems |
EP0367402A1 (en) * | 1988-09-29 | 1990-05-09 | C & K Systems, Inc. | An intrusion detection system and a method therefor |
US4940967A (en) * | 1989-08-31 | 1990-07-10 | Burle Technologies, Inc. | Balanced digital infrared detector circuit |
US5189393A (en) * | 1991-06-07 | 1993-02-23 | The Watt Stopper Inc. | Dual technology motion sensor |
US5475365A (en) * | 1993-01-28 | 1995-12-12 | C & K Systems, Inc. | Methods and apparatus for intrusion detection having improved immunity to false alarms |
US5581236A (en) * | 1993-01-28 | 1996-12-03 | C & K Systems, Inc. | Methods and apparatus for intrusion detection having improved immunity to false alarms |
US5821642A (en) * | 1996-11-04 | 1998-10-13 | Hubbell Incorporated | Arc prevention circuit for a mechanical switch |
US5986357A (en) * | 1997-02-04 | 1999-11-16 | Mytech Corporation | Occupancy sensor and method of operating same |
US6078253A (en) * | 1997-02-04 | 2000-06-20 | Mytech Corporation | Occupancy sensor and method of operating same |
US6415205B1 (en) | 1997-02-04 | 2002-07-02 | Mytech Corporation | Occupancy sensor and method of operating same |
US6538570B1 (en) | 1999-05-07 | 2003-03-25 | Honeywell International | Glass-break detector and method of alarm discrimination |
US7411489B1 (en) | 1999-12-29 | 2008-08-12 | Cooper Wiring Devices, Inc. | Self-adjusting dual technology occupancy sensor system and method |
US8148989B2 (en) | 2002-03-11 | 2012-04-03 | Keith Kopp | Ferromagnetic detection enhancer compatible with magnetic resonance |
US7489128B2 (en) | 2002-03-11 | 2009-02-10 | Kopp Keith A | MRI protector |
US20030171669A1 (en) * | 2002-03-11 | 2003-09-11 | Kopp Keith A. | MRI protector |
US20090167307A1 (en) * | 2002-03-11 | 2009-07-02 | Keith Kopp | Ferromagnetic detection enhancer |
US7194209B1 (en) * | 2002-09-04 | 2007-03-20 | Xantech Corporation | Interference resistant infrared extension system |
WO2004044620A1 (en) * | 2002-11-12 | 2004-05-27 | Qinetiq Limited | Ferromagnetic object detector |
US20040135687A1 (en) * | 2002-11-12 | 2004-07-15 | Qinetiq Limited | Ferromagnetic object detector |
US7113092B2 (en) | 2002-11-12 | 2006-09-26 | Qinetiq Limited | Ferromagnetic object detector |
US20050206515A1 (en) * | 2004-03-22 | 2005-09-22 | Alexander Pakhomov | Systems for protection against intruders |
US8164437B2 (en) | 2005-02-02 | 2012-04-24 | Pyronix Limited | Detection apparatus |
US20110169629A1 (en) * | 2005-02-02 | 2011-07-14 | Pyronix Limited | Detection Apparatus |
US20060177071A1 (en) * | 2005-02-07 | 2006-08-10 | Honeywell International, Inc. | Method and system for detecting a predetermined sound event such as the sound of breaking glass |
US7680283B2 (en) | 2005-02-07 | 2010-03-16 | Honeywell International Inc. | Method and system for detecting a predetermined sound event such as the sound of breaking glass |
US8389924B2 (en) | 2005-03-10 | 2013-03-05 | Pyronix Limited | Detector and optical system |
US8044336B2 (en) | 2005-03-10 | 2011-10-25 | Pyronix Limited | Detector and optical system |
US20080272281A1 (en) * | 2005-03-10 | 2008-11-06 | Pyronix Limited | Detector and Optical System |
US20070182581A1 (en) * | 2006-02-06 | 2007-08-09 | Cooper Technologies Company | Acoustic occupancy sensor |
US7541924B2 (en) | 2006-02-06 | 2009-06-02 | Cooper Technologies Company | Infrared occupancy sensor |
US7777632B2 (en) | 2006-02-06 | 2010-08-17 | Cooper Technologies Company | Acoustic occupancy sensor |
US7486193B2 (en) | 2006-02-06 | 2009-02-03 | Cooper Technologies Company | Occupancy sensor network |
US20070182580A1 (en) * | 2006-02-06 | 2007-08-09 | Cooper Technologies Company | Occupancy sensor network |
US20070183329A1 (en) * | 2006-02-06 | 2007-08-09 | Cooper Technologies Company | Networking of switchpacks |
US20100103021A1 (en) * | 2006-11-24 | 2010-04-29 | Ralph Mende | Method and radar arrangement for monitoring a monitoring area |
WO2008061496A1 (en) | 2006-11-24 | 2008-05-29 | S.M.S. Smart Microwave Sensors Gmbh | Method and radar arrangement for monitoring a monitoring area |
US20080316025A1 (en) * | 2007-06-22 | 2008-12-25 | Cobbinah Kofi B | Sensible motion detector |
US8063375B2 (en) * | 2007-06-22 | 2011-11-22 | Intel-Ge Care Innovations Llc | Sensible motion detector |
US20180364350A1 (en) * | 2016-12-06 | 2018-12-20 | Lobeye Co., Ltd. | Linear Virtual Fence System using Radar and Reflector |
US10656264B2 (en) * | 2016-12-06 | 2020-05-19 | Bitsensing Inc. | Linear virtual fence system using radar and reflector |
US11385345B2 (en) * | 2016-12-06 | 2022-07-12 | Bitsensing Inc. | Linear virtual fence system using radar and reflector |
Also Published As
Publication number | Publication date |
---|---|
AU3912572A (en) | 1973-08-23 |
AU462611B2 (en) | 1975-06-06 |
DE2216236B2 (en) | 1977-12-29 |
IT950945B (en) | 1973-06-20 |
CH563043A5 (en) | 1975-06-13 |
DE2216236A1 (en) | 1972-10-12 |
FR2131997A1 (en) | 1972-11-17 |
BE781069A (en) | 1972-07-17 |
FR2131997B1 (en) | 1977-07-15 |
GB1342552A (en) | 1974-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: PYROTECTOR, INC.; 333 LINCOLN ST., HINGHAM, MA. A Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:CHLORIDE INCORPORATED;REEL/FRAME:004094/0656 Effective date: 19830103 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES) |
|
AS | Assignment |
Owner name: GRAVINER, INC., A CORP. OF DE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:PYROTECTOR, INC.;REEL/FRAME:005381/0071 Effective date: 19900605 |
|
AS | Assignment |
Owner name: WALTER KIDDE AEROSPACE INC., A CORP. OF DE Free format text: MERGER;ASSIGNOR:GRAVINER, INC., A CORP. OF DE;REEL/FRAME:005541/0064 Effective date: 19891018 |