DE69129002T2 - Periodisches pulsdiskriminierungssystem - Google Patents
Periodisches pulsdiskriminierungssystemInfo
- Publication number
- DE69129002T2 DE69129002T2 DE69129002T DE69129002T DE69129002T2 DE 69129002 T2 DE69129002 T2 DE 69129002T2 DE 69129002 T DE69129002 T DE 69129002T DE 69129002 T DE69129002 T DE 69129002T DE 69129002 T2 DE69129002 T2 DE 69129002T2
- Authority
- DE
- Germany
- Prior art keywords
- electromagnetic field
- frequency
- tag signals
- frequencies
- transmitter
- 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 - Fee Related
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
- G08B13/2465—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
- G08B13/2477—Antenna or antenna activator circuit
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Burglar Alarm Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Manipulation Of Pulses (AREA)
- Image Processing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/530,900 US5300922A (en) | 1990-05-29 | 1990-05-29 | Swept frequency electronic article surveillance system having enhanced facility for tag signal detection |
PCT/US1991/002833 WO1991019278A1 (en) | 1990-05-29 | 1991-04-29 | Periodic pulse discrimination system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69129002D1 DE69129002D1 (de) | 1998-04-09 |
DE69129002T2 true DE69129002T2 (de) | 1998-09-17 |
Family
ID=24115443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69129002T Expired - Fee Related DE69129002T2 (de) | 1990-05-29 | 1991-04-29 | Periodisches pulsdiskriminierungssystem |
Country Status (9)
Country | Link |
---|---|
US (2) | US5300922A (de) |
EP (1) | EP0485552B1 (de) |
AT (1) | ATE163789T1 (de) |
AU (1) | AU649450B2 (de) |
CA (1) | CA2059665C (de) |
DE (1) | DE69129002T2 (de) |
ES (1) | ES2113883T3 (de) |
HK (1) | HK1005919A1 (de) |
WO (1) | WO1991019278A1 (de) |
Families Citing this family (86)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5349339A (en) * | 1992-04-07 | 1994-09-20 | Actron Entwicklungs Ag | Apparatus for the detection of labels employing subtraction of background signals |
US5264829A (en) * | 1992-06-15 | 1993-11-23 | Knogo Corporation | Method and apparatus for theft detection using digital signal processing |
US5349332A (en) * | 1992-10-13 | 1994-09-20 | Sensormatic Electronics Corportion | EAS system with requency hopping |
SE9401450L (sv) * | 1994-04-26 | 1995-10-27 | Rso Corp | Sätt vid detektering av magnetiska element |
SE9401449L (sv) * | 1994-04-26 | 1995-10-27 | Rso Corp | Sätt och anordning vid kodning av elektroniska etiketter |
SE9401436L (sv) * | 1994-04-26 | 1995-10-27 | Rso Corp | Amorfa band med förbättrade egenskaper |
SE9401448L (sv) * | 1994-04-26 | 1995-10-27 | Rso Corp | Sätt och anordning vid excitering och detektering av magnetiska element |
US5512878A (en) * | 1994-10-06 | 1996-04-30 | Sensormatic Electronics Corporation | Pulsed electronic article surveillance systems |
SE503526C2 (sv) * | 1994-10-26 | 1996-07-01 | Rso Corp | Sätt för detektering av etiketter med amorfa magnetoelastiska band |
DE69610491T2 (de) * | 1995-04-07 | 2001-02-08 | Minnesota Mining & Mfg | Elektronisches warenüberwachungssystem mit adaptiver filterung und digitaler detektierung |
DE19514601A1 (de) * | 1995-04-20 | 1996-10-24 | Esselte Meto Int Gmbh | Anlage zur elektronischen Artikelüberwachung, insbesondere zur Detektion von Schwingkreisen mit stark unterschiedlichen Resonanzfrequenzen |
CA2193846C (en) * | 1995-05-17 | 2004-02-17 | Bradford L. Farris | Rolling code security system |
US5973597A (en) * | 1996-08-27 | 1999-10-26 | Maspro Denkoh, Co., Ltd. | Theft checking system |
DE19644927A1 (de) * | 1996-10-29 | 1998-04-30 | Esselte Meto Int Gmbh | Vorrichtung zur Überwachung eines elektronischen Sicherungselementes in einer Abfragezone |
US5745039A (en) * | 1997-02-21 | 1998-04-28 | Minnesota Mining And Manufacturing Company | Remote sterilization monitor |
US5926093A (en) * | 1997-08-15 | 1999-07-20 | Checkpoint Systems, Inc. | Drive circuit for reactive loads |
US5990791A (en) * | 1997-10-22 | 1999-11-23 | William B. Spargur | Anti-theft detection system |
US5973606A (en) * | 1997-12-08 | 1999-10-26 | Sensormatic Electronics Corporation | Activation/deactivation system and method for electronic article surveillance markers for use on a conveyor |
US7430257B1 (en) | 1998-02-12 | 2008-09-30 | Lot 41 Acquisition Foundation, Llc | Multicarrier sub-layer for direct sequence channel and multiple-access coding |
US5955992A (en) * | 1998-02-12 | 1999-09-21 | Shattil; Steve J. | Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter |
US6028518A (en) * | 1998-06-04 | 2000-02-22 | Checkpoint Systems, Inc. | System for verifying attachment of an EAS marker to an article after tagging |
US6338028B1 (en) * | 1998-06-11 | 2002-01-08 | Trw Inc. | Ultrasonic sensor system and method having input capture for echo processing |
AU6245899A (en) * | 1998-09-11 | 2000-04-03 | Motorola, Inc. | Generation of electrostatic voltage potentials for rfid/eas using piezoelectric crystals |
US6339377B1 (en) * | 1998-11-24 | 2002-01-15 | Kojin Co., Ltd. | Article surveillance security system with self-alarm |
US6133829A (en) * | 1999-03-05 | 2000-10-17 | Frl, Inc. | Walk-through metal detector system and method |
US6249229B1 (en) * | 1999-08-16 | 2001-06-19 | Checkpoint Systems, Inc., A Corp. Of Pennsylvania | Electronic article security system employing variable time shifts |
US7406261B2 (en) * | 1999-11-02 | 2008-07-29 | Lot 41 Acquisition Foundation, Llc | Unified multi-carrier framework for multiple-access technologies |
US8670390B2 (en) | 2000-11-22 | 2014-03-11 | Genghiscomm Holdings, LLC | Cooperative beam-forming in wireless networks |
JP4011482B2 (ja) * | 2000-12-15 | 2007-11-21 | イースターン リボン アンド ロール コーポレイション | ペーパーロール盗難防止保護 |
US6634959B2 (en) * | 2001-01-05 | 2003-10-21 | Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C. | Golf ball locator |
US6700490B2 (en) | 2001-03-26 | 2004-03-02 | Sensormatic Electronics Corporation | Digital detection filters for electronic article surveillance |
US10425135B2 (en) | 2001-04-26 | 2019-09-24 | Genghiscomm Holdings, LLC | Coordinated multipoint systems |
US10355720B2 (en) | 2001-04-26 | 2019-07-16 | Genghiscomm Holdings, LLC | Distributed software-defined radio |
US10931338B2 (en) | 2001-04-26 | 2021-02-23 | Genghiscomm Holdings, LLC | Coordinated multipoint systems |
US9893774B2 (en) | 2001-04-26 | 2018-02-13 | Genghiscomm Holdings, LLC | Cloud radio access network |
US9819449B2 (en) | 2002-05-14 | 2017-11-14 | Genghiscomm Holdings, LLC | Cooperative subspace demultiplexing in content delivery networks |
EP1288841A1 (de) * | 2001-08-30 | 2003-03-05 | Motorola, Inc. | Passives Antwort Kommunikationssystem |
CA2480600C (en) * | 2002-04-11 | 2015-04-07 | Sensormatic Electronics Corporation | System and method for managing assets using a portable combined electronic article surveillance system and barcode scanner |
US6750768B2 (en) * | 2002-04-15 | 2004-06-15 | Wg Security Products, Inc. | EAS system employing pseudorandom coding system and method |
US6753821B2 (en) * | 2002-04-22 | 2004-06-22 | Wg Security Products, Inc. | Method and arrangement of antenna system of EAS |
US6745852B2 (en) * | 2002-05-08 | 2004-06-08 | Anadarko Petroleum Corporation | Platform for drilling oil and gas wells in arctic, inaccessible, or environmentally sensitive locations |
US10644916B1 (en) | 2002-05-14 | 2020-05-05 | Genghiscomm Holdings, LLC | Spreading and precoding in OFDM |
US10200227B2 (en) | 2002-05-14 | 2019-02-05 | Genghiscomm Holdings, LLC | Pre-coding in multi-user MIMO |
US10142082B1 (en) | 2002-05-14 | 2018-11-27 | Genghiscomm Holdings, LLC | Pre-coding in OFDM |
US9628231B2 (en) | 2002-05-14 | 2017-04-18 | Genghiscomm Holdings, LLC | Spreading and precoding in OFDM |
US7116227B2 (en) * | 2004-02-23 | 2006-10-03 | Checkpoint Systems, Inc. | Tag having patterned circuit elements and a process for making same |
US7138919B2 (en) * | 2004-02-23 | 2006-11-21 | Checkpoint Systems, Inc. | Identification marking and method for applying the identification marking to an item |
US7119685B2 (en) * | 2004-02-23 | 2006-10-10 | Checkpoint Systems, Inc. | Method for aligning capacitor plates in a security tag and a capacitor formed thereby |
US7704346B2 (en) * | 2004-02-23 | 2010-04-27 | Checkpoint Systems, Inc. | Method of fabricating a security tag in an integrated surface processing system |
US7384496B2 (en) * | 2004-02-23 | 2008-06-10 | Checkpoint Systems, Inc. | Security tag system for fabricating a tag including an integrated surface processing system |
US8099335B2 (en) * | 2004-02-23 | 2012-01-17 | Checkpoint Systems, Inc. | Method and system for determining billing information in a tag fabrication process |
US11184037B1 (en) | 2004-08-02 | 2021-11-23 | Genghiscomm Holdings, LLC | Demodulating and decoding carrier interferometry signals |
US11552737B1 (en) | 2004-08-02 | 2023-01-10 | Genghiscomm Holdings, LLC | Cooperative MIMO |
US11381285B1 (en) | 2004-08-02 | 2022-07-05 | Genghiscomm Holdings, LLC | Transmit pre-coding |
RU2400818C2 (ru) * | 2004-11-18 | 2010-09-27 | Сенсормэтик Электроникс, Ллк | Eas-считыватель, обнаруживающий eas-функцию в rfid-устройстве |
US9148409B2 (en) | 2005-06-30 | 2015-09-29 | The Chamberlain Group, Inc. | Method and apparatus to facilitate message transmission and reception using different transmission characteristics |
US8422667B2 (en) | 2005-01-27 | 2013-04-16 | The Chamberlain Group, Inc. | Method and apparatus to facilitate transmission of an encrypted rolling code |
US7689195B2 (en) * | 2005-02-22 | 2010-03-30 | Broadcom Corporation | Multi-protocol radio frequency identification transponder tranceiver |
EP1859391B1 (de) * | 2005-03-14 | 2010-09-29 | Samsung Electronics Co., Ltd. | Tragbare vorrichtung zur zwischenspeicherung von rfid-etikettdaten und verfahren dafür |
US7825822B2 (en) | 2005-04-01 | 2010-11-02 | Cepia, Llc | System and method for extracting and conveying modulated AC signal information |
EP1920381B1 (de) * | 2005-08-25 | 2013-01-23 | Nxp B.V. | Verfahren und rfid-lesegerät zur evaluierung eines datenstromsignals in bezug auf daten und / oder kollision |
US7817015B1 (en) * | 2005-09-29 | 2010-10-19 | Tc License Ltd. | Floating threshold for data detection in a RFID tag |
US7663489B2 (en) * | 2006-04-28 | 2010-02-16 | Checkpoint Systems, Inc. | Alarm systems, wireless alarm devices, and article security methods |
FR2905493B1 (fr) * | 2006-08-31 | 2008-12-05 | Nbg Id Soc Par Actions Simplif | Systeme automatise de realisation d'inventaires localises |
US20080079543A1 (en) * | 2006-09-14 | 2008-04-03 | Bruno Fabre | Apparatus for identifying and counting articles in bulk |
US8207826B2 (en) * | 2006-10-03 | 2012-06-26 | Ncr Corporation | Methods and apparatus for analyzing signal conditions affecting operation of an RFID communication device |
US20090066496A1 (en) * | 2007-09-11 | 2009-03-12 | Lear Corporation | Low frequency receiver for a tire pressure monitor system |
JP2010193598A (ja) * | 2009-02-17 | 2010-09-02 | Nippon Soken Inc | 非接触給電設備および非接触給電システム |
EP2862365A2 (de) * | 2012-06-18 | 2015-04-22 | Master Lock Company LLC | Rfid-detektionssystem |
US9595177B2 (en) | 2014-12-14 | 2017-03-14 | Wg Security Products, Inc. | Noise compensating EAS antenna system |
CN106656073A (zh) * | 2016-10-28 | 2017-05-10 | 中州大学 | 一种传感器电子信号放大器 |
CN108363932B (zh) | 2017-01-26 | 2023-04-18 | 手持产品公司 | 读取条形码并去激活商品电子防窃标签的方法 |
WO2018184231A1 (en) * | 2017-04-07 | 2018-10-11 | SZ DJI Technology Co., Ltd. | Jamming device and jamming method |
US10393784B2 (en) | 2017-04-26 | 2019-08-27 | Raytheon Company | Analysis of a radio-frequency environment utilizing pulse masking |
US10637705B1 (en) | 2017-05-25 | 2020-04-28 | Genghiscomm Holdings, LLC | Peak-to-average-power reduction for OFDM multiple access |
US10243773B1 (en) | 2017-06-30 | 2019-03-26 | Genghiscomm Holdings, LLC | Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM |
US10154885B1 (en) | 2017-05-26 | 2018-12-18 | Medline Industries, Inc. | Systems, apparatus and methods for continuously tracking medical items throughout a procedure |
US10652743B2 (en) | 2017-12-21 | 2020-05-12 | The Chamberlain Group, Inc. | Security system for a moveable barrier operator |
US11074773B1 (en) | 2018-06-27 | 2021-07-27 | The Chamberlain Group, Inc. | Network-based control of movable barrier operators for autonomous vehicles |
US11423717B2 (en) | 2018-08-01 | 2022-08-23 | The Chamberlain Group Llc | Movable barrier operator and transmitter pairing over a network |
WO2020154550A1 (en) | 2019-01-25 | 2020-07-30 | Genghiscomm Holdings, LLC | Orthogonal multiple access and non-orthogonal multiple access |
US11917604B2 (en) | 2019-01-25 | 2024-02-27 | Tybalt, Llc | Orthogonal multiple access and non-orthogonal multiple access |
US11343823B2 (en) | 2020-08-16 | 2022-05-24 | Tybalt, Llc | Orthogonal multiple access and non-orthogonal multiple access |
US11617625B2 (en) | 2019-03-12 | 2023-04-04 | Medline Industries, Lp | Systems, apparatus and methods for properly locating items |
US10997810B2 (en) | 2019-05-16 | 2021-05-04 | The Chamberlain Group, Inc. | In-vehicle transmitter training |
WO2020242898A1 (en) | 2019-05-26 | 2020-12-03 | Genghiscomm Holdings, LLC | Non-orthogonal multiple access |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4168496A (en) * | 1977-10-05 | 1979-09-18 | Lichtblau G J | Quasi-stationary noise cancellation system |
US4300183A (en) * | 1980-03-27 | 1981-11-10 | Richardson Robert H | Method and apparatus for generating alternating magnetic fields to produce harmonic signals from a metallic strip |
US4429302A (en) * | 1981-10-08 | 1984-01-31 | I. D. Engineering, Inc. | Electronic security system with noise rejection |
CA1234892A (en) * | 1984-02-16 | 1988-04-05 | Pierre Taillefer | Security tag detection system |
US4779077A (en) * | 1987-04-13 | 1988-10-18 | Lichtblau G J | Continuously armed high reliability pulse train processor |
US4906973A (en) * | 1988-04-29 | 1990-03-06 | White's Electronics, Inc. | Walk-through metal detector |
US4888579A (en) * | 1988-09-16 | 1989-12-19 | Minnesota Mining And Manufacturing Company | False alarm minimization and direction determination methods |
AU631170B2 (en) * | 1989-01-09 | 1992-11-19 | Checkpoint Systems, Inc. | Electronic article surveillance system with improved differentiation |
US5103209A (en) * | 1989-01-09 | 1992-04-07 | Checkpoint Systems, Inc. | Electronic article surveillance system with improved differentiation |
-
1990
- 1990-05-29 US US07/530,900 patent/US5300922A/en not_active Expired - Fee Related
-
1991
- 1991-04-29 AT AT91909560T patent/ATE163789T1/de active
- 1991-04-29 CA CA002059665A patent/CA2059665C/en not_active Expired - Fee Related
- 1991-04-29 ES ES91909560T patent/ES2113883T3/es not_active Expired - Lifetime
- 1991-04-29 DE DE69129002T patent/DE69129002T2/de not_active Expired - Fee Related
- 1991-04-29 AU AU78760/91A patent/AU649450B2/en not_active Ceased
- 1991-04-29 EP EP91909560A patent/EP0485552B1/de not_active Expired - Lifetime
- 1991-04-29 WO PCT/US1991/002833 patent/WO1991019278A1/en active IP Right Grant
-
1993
- 1993-06-16 US US08/078,457 patent/US5463376A/en not_active Expired - Fee Related
-
1998
- 1998-06-05 HK HK98104976A patent/HK1005919A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5463376A (en) | 1995-10-31 |
AU649450B2 (en) | 1994-05-26 |
US5300922A (en) | 1994-04-05 |
CA2059665A1 (en) | 1991-11-30 |
EP0485552B1 (de) | 1998-03-04 |
EP0485552A4 (en) | 1992-10-28 |
EP0485552A1 (de) | 1992-05-20 |
CA2059665C (en) | 2000-03-21 |
ATE163789T1 (de) | 1998-03-15 |
WO1991019278A1 (en) | 1991-12-12 |
ES2113883T3 (es) | 1998-05-16 |
DE69129002D1 (de) | 1998-04-09 |
HK1005919A1 (en) | 1999-01-29 |
AU7876091A (en) | 1991-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |