NO147353C - Naervaerfoelende system. - Google Patents
Naervaerfoelende system.Info
- Publication number
- NO147353C NO147353C NO790073A NO790073A NO147353C NO 147353 C NO147353 C NO 147353C NO 790073 A NO790073 A NO 790073A NO 790073 A NO790073 A NO 790073A NO 147353 C NO147353 C NO 147353C
- Authority
- NO
- Norway
- Prior art keywords
- sensitive system
- sensitive
- 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
- G08B13/2414—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 inductive 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
- G08B13/2405—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
- G08B13/2414—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 inductive tags
- G08B13/242—Tag deactivation
-
- 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
- G08B13/2428—Tag details
- G08B13/2434—Tag housing and attachment details
-
- 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
- G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB113578 | 1978-01-11 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO790073L NO790073L (no) | 1979-07-12 |
NO147353B NO147353B (no) | 1982-12-13 |
NO147353C true NO147353C (no) | 1983-03-23 |
Family
ID=9716785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO790073A NO147353C (no) | 1978-01-11 | 1979-01-10 | Naervaerfoelende system. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4260983A (fr) |
EP (1) | EP0003178B1 (fr) |
AU (1) | AU525953B2 (fr) |
CA (1) | CA1117633A (fr) |
DE (1) | DE2967688D1 (fr) |
DK (1) | DK10479A (fr) |
GB (1) | GB2017454B (fr) |
NO (1) | NO147353C (fr) |
ZA (1) | ZA7994B (fr) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1068051A3 (ru) * | 1980-05-19 | 1984-01-15 | Таг Радионикс Лимитед (Фирма) | Устройство дл передачи и приема сигналов |
CA1190970A (fr) * | 1980-10-09 | 1985-07-23 | Harold B. Williams | Systeme antivol a deux frequences |
US4471344A (en) * | 1980-10-09 | 1984-09-11 | Ici Americas Inc. | Dual frequency anti-theft system |
FR2492539A1 (fr) * | 1980-10-20 | 1982-04-23 | Morey Gilles | Procede et systeme de detection notamment pour installations de surveillance ou automatismes |
US4481428A (en) * | 1981-05-19 | 1984-11-06 | Security Tag Systems, Inc. | Batteryless, portable, frequency divider useful as a transponder of electromagnetic radiation |
GB2102250B (en) * | 1981-07-14 | 1985-08-21 | Tag Radionics Ltd | Coded information arrangements |
NL8200138A (nl) * | 1982-01-14 | 1983-08-01 | Nedap Nv | Detectiestelsel. |
DK148106C (da) * | 1983-04-12 | 1987-10-19 | 2 M Security System Aps | Tyverisikringsanlaeg, navnlig til butiksarealer |
EP0147099B1 (fr) * | 1983-12-06 | 1992-06-17 | Mars Incorporated | Jetons et dispositifs pour leur manipulation |
US4654641A (en) * | 1985-09-13 | 1987-03-31 | Security Tag Systems, Inc. | Frequency divider with single resonant circuit and use thereof as a transponder in a presence detection system |
US4727360A (en) * | 1985-09-13 | 1988-02-23 | Security Tag Systems, Inc. | Frequency-dividing transponder and use thereof in a presence detection system |
US4670740A (en) * | 1985-11-04 | 1987-06-02 | Security Tag Systems, Inc. | Portable, batteryless, frequency divider consisting of inductor and diode |
GB8602913D0 (en) * | 1986-02-06 | 1986-03-12 | Cotag International Ltd | Aerial systems |
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 |
AU600451B2 (en) * | 1986-10-21 | 1990-08-16 | Toyoji Gomi | Anti-shoplifting system |
US4975681A (en) * | 1989-12-07 | 1990-12-04 | Sensormatic Electronics Corporation | Interfering signal rejection circuitry and electronic article surveillance system and method employing same |
US5206639A (en) * | 1990-10-25 | 1993-04-27 | Timex Corporation | Single antenna dual frequency transponder |
US5099226A (en) * | 1991-01-18 | 1992-03-24 | Interamerican Industrial Company | Intelligent security system |
FR2676570A1 (fr) * | 1991-05-14 | 1992-11-20 | Pecchioni Alain | Systeme antivol a deblocage securise plus particulierement destine aux objets pouvant etre transperces sans dommage. |
US5572226A (en) * | 1992-05-15 | 1996-11-05 | Micron Technology, Inc. | Spherical antenna pattern(s) from antenna(s) arranged in a two-dimensional plane for use in RFID tags and labels |
US5323150A (en) * | 1992-06-11 | 1994-06-21 | Micron Technology, Inc. | Method for reducing conductive and convective heat loss from the battery in an RFID tag or other battery-powered devices |
US5416486A (en) * | 1993-11-08 | 1995-05-16 | Apti, Inc. | Identification/security tag system employing electronic doppler shifting and/or rectenna structure |
ES2220962T3 (es) | 1995-03-10 | 2004-12-16 | Michael C. Ryan | Pistola para el control de la distribucion del fluido. |
US7221256B2 (en) * | 1997-05-20 | 2007-05-22 | Johnson Controls Technology Company | Trainable transceiver |
US6097293A (en) * | 1999-04-15 | 2000-08-01 | Industrial Technology, Inc. | Passive electrical marker for underground use and method of making thereof |
US6229449B1 (en) | 1999-04-29 | 2001-05-08 | Darren S. Kirchner | Detector apparatus |
US6388575B1 (en) | 1999-11-05 | 2002-05-14 | Industrial Technology, Inc. | Addressable underground marker |
US6380857B1 (en) | 2000-10-16 | 2002-04-30 | Industrial Technology, Inc. | Self leveling underground marker |
US6970082B2 (en) * | 2002-07-29 | 2005-11-29 | Johnson Controls Technology Company | System and method of communicating home security data between a vehicle and a home |
EP1791239A1 (fr) * | 2005-11-25 | 2007-05-30 | ABB Technology AG | Dispositif pour la transmission de la position d'un commutateur |
US7825867B2 (en) * | 2007-04-26 | 2010-11-02 | Round Rock Research, Llc | Methods and systems of changing antenna polarization |
US7936268B2 (en) * | 2007-08-31 | 2011-05-03 | Round Rock Research, Llc | Selectively coupling to feed points of an antenna system |
US8115637B2 (en) | 2008-06-03 | 2012-02-14 | Micron Technology, Inc. | Systems and methods to selectively connect antennas to receive and backscatter radio frequency signals |
EP2968730B1 (fr) | 2013-03-15 | 2019-01-09 | Bitol Designs, LLC | Cathéter résistant à une occlusion et procédé d'utilisation |
EP3173968A1 (fr) * | 2015-11-26 | 2017-05-31 | Gemalto Sa | Procede de detection de presence de transpondeur radiofrequence par simulation de couplage electromagnetique |
Family Cites Families (12)
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 |
GB1212504A (en) * | 1966-12-30 | 1970-11-18 | Euronics Ltd | Theft detection system |
NO126975B (fr) * | 1967-03-30 | 1973-04-16 | John Welsh | |
US3754226A (en) * | 1968-03-22 | 1973-08-21 | Stoplifter Int Inc | Conductive-ring ferromagnetic marker and method and system for using same |
US3713133A (en) * | 1971-02-16 | 1973-01-23 | R Nathans | Rf and sonic systems for preventing shoplifting of goods and unauthorized removal of capsules affixed thereto for protecting goods |
US3818472A (en) * | 1972-05-26 | 1974-06-18 | K Mauk | R.f. system for detecting unauthorized travel of articles through a selected zone |
US3967161A (en) * | 1972-06-14 | 1976-06-29 | Lichtblau G J | A multi-frequency resonant tag circuit for use with an electronic security system having improved noise discrimination |
US3859624A (en) * | 1972-09-05 | 1975-01-07 | Thomas A Kriofsky | Inductively coupled transmitter-responder arrangement |
US3863240A (en) * | 1972-12-08 | 1975-01-28 | Aerospace Res | Electromagnetic intrusion detection system |
NL161904C (nl) * | 1973-04-13 | Knogo Corp | Diefstal-detectiestelsel. | |
US3974581A (en) * | 1974-10-30 | 1976-08-17 | I. D. Engineering, Inc. | Anti-theft fastening device and tool for releasing same |
US4135184A (en) * | 1977-08-31 | 1979-01-16 | Knogo Corporation | Electronic theft detection system for monitoring wide passageways |
-
1979
- 1979-01-09 ZA ZA7994A patent/ZA7994B/xx unknown
- 1979-01-10 NO NO790073A patent/NO147353C/no unknown
- 1979-01-10 DK DK10479A patent/DK10479A/da not_active Application Discontinuation
- 1979-01-11 US US06/002,866 patent/US4260983A/en not_active Expired - Lifetime
- 1979-01-11 GB GB7900996A patent/GB2017454B/en not_active Expired
- 1979-01-11 DE DE7979300047T patent/DE2967688D1/de not_active Expired
- 1979-01-11 AU AU43287/79A patent/AU525953B2/en not_active Ceased
- 1979-01-11 CA CA000319492A patent/CA1117633A/fr not_active Expired
- 1979-01-11 EP EP79300047A patent/EP0003178B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2017454A (en) | 1979-10-03 |
NO147353B (no) | 1982-12-13 |
NO790073L (no) | 1979-07-12 |
CA1117633A (fr) | 1982-02-02 |
AU525953B2 (en) | 1982-12-09 |
AU4328779A (en) | 1979-07-19 |
US4260983A (en) | 1981-04-07 |
EP0003178A1 (fr) | 1979-07-25 |
DE2967688D1 (en) | 1989-06-29 |
EP0003178B1 (fr) | 1989-05-24 |
DK10479A (da) | 1979-07-12 |
ZA7994B (en) | 1980-01-30 |
GB2017454B (en) | 1982-04-21 |
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