AR225083A1 - Dispositivo de vigilancia,para detectar la presencia,en un espacio controlado,de un receptor-retransmisor miniaturizado de ondas electromagneticas - Google Patents
Dispositivo de vigilancia,para detectar la presencia,en un espacio controlado,de un receptor-retransmisor miniaturizado de ondas electromagneticasInfo
- Publication number
- AR225083A1 AR225083A1 AR285636A AR28563681A AR225083A1 AR 225083 A1 AR225083 A1 AR 225083A1 AR 285636 A AR285636 A AR 285636A AR 28563681 A AR28563681 A AR 28563681A AR 225083 A1 AR225083 A1 AR 225083A1
- Authority
- AR
- Argentina
- Prior art keywords
- retransmitter
- detect
- electromagnetic wave
- wave receiver
- surveillance device
- Prior art date
Links
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
- 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
- G08B13/2405—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 characterised by the tag technology used
- G08B13/2422—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 characterised by the tag technology used using acoustic or microwave tags
-
- 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
- G08B13/2468—Antenna in system and the related signal processing
- G08B13/2471—Antenna signal processing by receiver or emitter
-
- 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
- G08B13/2468—Antenna in system and the related signal processing
- G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Burglar Alarm Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
- Floor Finish (AREA)
- Carpets (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/157,848 US4281321A (en) | 1980-06-09 | 1980-06-09 | Surveillance system employing a floor mat radiator |
Publications (1)
Publication Number | Publication Date |
---|---|
AR225083A1 true AR225083A1 (es) | 1982-02-15 |
Family
ID=22565529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR285636A AR225083A1 (es) | 1980-06-09 | 1981-06-09 | Dispositivo de vigilancia,para detectar la presencia,en un espacio controlado,de un receptor-retransmisor miniaturizado de ondas electromagneticas |
Country Status (14)
Country | Link |
---|---|
US (1) | US4281321A (nl) |
JP (1) | JPS5725093A (nl) |
AR (1) | AR225083A1 (nl) |
BE (1) | BE889153A (nl) |
BR (1) | BR8103624A (nl) |
CA (1) | CA1169525A (nl) |
DE (1) | DE3122239A1 (nl) |
ES (1) | ES8204200A1 (nl) |
FR (1) | FR2484095A1 (nl) |
GB (1) | GB2078469B (nl) |
IE (1) | IE51208B1 (nl) |
MX (1) | MX150904A (nl) |
NL (1) | NL8102753A (nl) |
SE (1) | SE454472B (nl) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4430645A (en) * | 1981-04-07 | 1984-02-07 | Sensormatic Electronics Corporation | Surveillance system employing a dual function floor mat radiator |
US4642640A (en) * | 1983-04-25 | 1987-02-10 | Sensormatic Electronics Corporation | Signal receptor-reradiator and surveillance tag using the same |
US4555696A (en) * | 1983-06-08 | 1985-11-26 | Brown Donald G | Passageway selective detector mechanism and system |
US4565996A (en) * | 1984-02-06 | 1986-01-21 | Mrs. Lawrence Israel | Range limited coherent frequency doppler surveillance system |
US4595915A (en) * | 1984-02-06 | 1986-06-17 | Mrs. Lawrence Israel | Electronic surveillance system employing the doppler effect |
US4642786A (en) * | 1984-05-25 | 1987-02-10 | Position Orientation Systems, Ltd. | Method and apparatus for position and orientation measurement using a magnetic field and retransmission |
US4583083A (en) * | 1984-06-28 | 1986-04-15 | Bogasky John J | Checkout station to reduce retail theft |
US4798175A (en) * | 1986-10-09 | 1989-01-17 | Alfa-Laval Agri, Inc. | Electronic identification system |
JPS643994U (nl) * | 1987-06-25 | 1989-01-11 | ||
JPH0161797U (nl) * | 1987-10-08 | 1989-04-19 | ||
JPH0413844U (nl) * | 1990-05-23 | 1992-02-04 | ||
US5206626A (en) * | 1991-12-24 | 1993-04-27 | Knogo Corporation | Stabilized article surveillance responder |
DE4200082A1 (de) * | 1992-01-03 | 1993-07-08 | Minnesota Mining & Mfg | Vorrichtung und verfahren zum erkennen eines magnetisierbaren markierungselementes |
US5373301A (en) * | 1993-01-04 | 1994-12-13 | Checkpoint Systems, Inc. | Transmit and receive antenna having angled crossover elements |
US5661470A (en) * | 1994-03-04 | 1997-08-26 | Karr; Gerald S. | Object recognition system |
US6336031B1 (en) | 1998-12-22 | 2002-01-01 | Nortel Networks Limited | Wireless data transmission over quasi-static electric potential fields |
US7372364B2 (en) | 2003-11-10 | 2008-05-13 | 3M Innovative Properties Company | Algorithm for RFID security |
US7119692B2 (en) * | 2003-11-10 | 2006-10-10 | 3M Innovative Properties Company | System for detecting radio-frequency identification tags |
US20050190072A1 (en) * | 2004-02-26 | 2005-09-01 | Brown Katherine A. | Item monitoring system and methods of using an item monitoring system |
US20060071774A1 (en) * | 2004-02-26 | 2006-04-06 | Brown Katherine A | Item monitoring system and methods using an item monitoring system |
US20090072995A1 (en) * | 2006-06-21 | 2009-03-19 | Dave Thomas | Method and apparatus for transmitting information between a primary vehicle and a secondary vehicle |
US8350720B2 (en) * | 2006-06-21 | 2013-01-08 | Dave Thomas | Method and apparatus for object recognition and warning system of a primary vehicle for nearby vehicles |
US20070296609A1 (en) * | 2006-06-21 | 2007-12-27 | Dave Thomas | Method and apparatus for object recognition and warning system of a primary vehicle for nearby vehicles |
US20080316027A1 (en) * | 2007-06-25 | 2008-12-25 | Peter Lefferson | Security Alarm Blanket |
US9226686B2 (en) | 2009-11-23 | 2016-01-05 | Rf Surgical Systems, Inc. | Method and apparatus to account for transponder tagged objects used during medical procedures |
FR2996330B1 (fr) * | 2012-10-01 | 2014-10-10 | Embisphere | Tapis anti-fraude |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3500373A (en) * | 1966-05-06 | 1970-03-10 | Nat Bank Of North America The | Method and apparatus for article theft detection |
FR1522001A (fr) * | 1967-05-05 | 1968-04-19 | Dispositif électronique de détection, plus particulièrement d'objets | |
US3493955A (en) * | 1968-04-17 | 1970-02-03 | Monere Corp | Method and apparatus for detecting the unauthorized movement of articles |
BE791039A (fr) * | 1971-11-08 | 1973-05-07 | Lewis Security Syst Ltd | Systemes de securite |
US3895368A (en) * | 1972-08-09 | 1975-07-15 | Sensormatic Electronics Corp | Surveillance system and method utilizing both electrostatic and electromagnetic fields |
NL161904C (nl) * | 1973-04-13 | Knogo Corp | Diefstal-detectiestelsel. | |
JPS5122797A (en) * | 1974-08-19 | 1976-02-23 | Teijin Ltd | Toomeihoriamidono seizohoho |
US4095214A (en) * | 1976-06-17 | 1978-06-13 | Knogo Corporation | Electronic monitoring system and responder device |
US4135184A (en) * | 1977-08-31 | 1979-01-16 | Knogo Corporation | Electronic theft detection system for monitoring wide passageways |
-
1980
- 1980-06-09 US US06/157,848 patent/US4281321A/en not_active Expired - Lifetime
-
1981
- 1981-06-04 DE DE19813122239 patent/DE3122239A1/de not_active Withdrawn
- 1981-06-05 GB GB8117322A patent/GB2078469B/en not_active Expired
- 1981-06-05 NL NL8102753A patent/NL8102753A/nl not_active Application Discontinuation
- 1981-06-08 ES ES502845A patent/ES8204200A1/es not_active Expired
- 1981-06-08 IE IE1258/81A patent/IE51208B1/en unknown
- 1981-06-08 BR BR8103624A patent/BR8103624A/pt not_active IP Right Cessation
- 1981-06-08 CA CA000379194A patent/CA1169525A/en not_active Expired
- 1981-06-08 MX MX187708A patent/MX150904A/es unknown
- 1981-06-09 FR FR8111292A patent/FR2484095A1/fr active Granted
- 1981-06-09 JP JP8758181A patent/JPS5725093A/ja active Granted
- 1981-06-09 SE SE8103576A patent/SE454472B/sv not_active IP Right Cessation
- 1981-06-09 AR AR285636A patent/AR225083A1/es active
- 1981-06-09 BE BE0/205049A patent/BE889153A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH0230554B2 (nl) | 1990-07-06 |
BE889153A (fr) | 1981-10-01 |
JPS5725093A (en) | 1982-02-09 |
US4281321A (en) | 1981-07-28 |
FR2484095B1 (nl) | 1984-12-28 |
MX150904A (es) | 1984-08-13 |
ES502845A0 (es) | 1982-04-01 |
SE8103576L (sv) | 1981-12-10 |
NL8102753A (nl) | 1982-01-04 |
SE454472B (sv) | 1988-05-02 |
GB2078469A (en) | 1982-01-06 |
ES8204200A1 (es) | 1982-04-01 |
BR8103624A (pt) | 1982-03-02 |
IE51208B1 (en) | 1986-10-29 |
FR2484095A1 (fr) | 1981-12-11 |
DE3122239A1 (de) | 1982-06-03 |
CA1169525A (en) | 1984-06-19 |
GB2078469B (en) | 1984-02-08 |
IE811258L (en) | 1981-12-09 |
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