ATE281671T1 - Optisches interface zwischen empfänger und auswerteeinheit für antwortsignale eines etiketts in rfid-systemen zur erkennung von leistungsschwachen resonanzetiketten - Google Patents

Optisches interface zwischen empfänger und auswerteeinheit für antwortsignale eines etiketts in rfid-systemen zur erkennung von leistungsschwachen resonanzetiketten

Info

Publication number
ATE281671T1
ATE281671T1 AT99935548T AT99935548T ATE281671T1 AT E281671 T1 ATE281671 T1 AT E281671T1 AT 99935548 T AT99935548 T AT 99935548T AT 99935548 T AT99935548 T AT 99935548T AT E281671 T1 ATE281671 T1 AT E281671T1
Authority
AT
Austria
Prior art keywords
frequency
label
receiver
detecting
evaluation unit
Prior art date
Application number
AT99935548T
Other languages
German (de)
English (en)
Inventor
William F Gallagher Iii
Russell E Barber
Eric Eckstein
Original Assignee
Checkpoint Systems 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
Priority claimed from US09/122,310 external-priority patent/US5955950A/en
Priority claimed from US09/122,121 external-priority patent/US5959531A/en
Application filed by Checkpoint Systems Inc filed Critical Checkpoint Systems Inc
Application granted granted Critical
Publication of ATE281671T1 publication Critical patent/ATE281671T1/de

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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10346—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the far field type, e.g. HF types or dipoles
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • 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
    • G08B13/2417—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 having a radio frequency identification chip
    • 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
    • G08B13/24—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
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H04B10/25752—Optical arrangements for wireless networks
    • H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Near-Field Transmission Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
AT99935548T 1998-07-24 1999-07-13 Optisches interface zwischen empfänger und auswerteeinheit für antwortsignale eines etiketts in rfid-systemen zur erkennung von leistungsschwachen resonanzetiketten ATE281671T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/122,310 US5955950A (en) 1998-07-24 1998-07-24 Low noise signal generator for use with an RFID system
US09/122,121 US5959531A (en) 1998-07-24 1998-07-24 Optical interface between receiver and tag response signal analyzer in RFID system for detecting low power resonant tags
PCT/US1999/015884 WO2000005692A1 (en) 1998-07-24 1999-07-13 Rfid system for detecting low power resonant tags

Publications (1)

Publication Number Publication Date
ATE281671T1 true ATE281671T1 (de) 2004-11-15

Family

ID=26820183

Family Applications (2)

Application Number Title Priority Date Filing Date
AT99935548T ATE281671T1 (de) 1998-07-24 1999-07-13 Optisches interface zwischen empfänger und auswerteeinheit für antwortsignale eines etiketts in rfid-systemen zur erkennung von leistungsschwachen resonanzetiketten
AT03020341T ATE323910T1 (de) 1998-07-24 1999-07-13 Rauscharmer signalgenerator zur verwendung in einem rfid system

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT03020341T ATE323910T1 (de) 1998-07-24 1999-07-13 Rauscharmer signalgenerator zur verwendung in einem rfid system

Country Status (10)

Country Link
EP (2) EP1099200B1 (enExample)
JP (1) JP4445672B2 (enExample)
KR (1) KR100660409B1 (enExample)
CN (2) CN1135509C (enExample)
AT (2) ATE281671T1 (enExample)
AU (1) AU753617B2 (enExample)
CA (2) CA2624853A1 (enExample)
DE (2) DE69921658T2 (enExample)
ES (2) ES2233058T3 (enExample)
WO (1) WO2000005692A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006060763A (ja) * 2003-12-26 2006-03-02 Ricoh Co Ltd Ｉｃタグ用リーダ及び／又はライタ、並びにｉｃタグ用リーダ及び／又はライタを有する装置
US7259677B2 (en) 2003-12-26 2007-08-21 Ricoh Company, Ltd. IC-tag read-write apparatus
JP4387323B2 (ja) * 2005-04-08 2009-12-16 富士通株式会社 Ｒｆｉｄ用送受信装置
US7456743B2 (en) * 2005-12-07 2008-11-25 Datamars S.A. Combined low and high frequency RFID system
SE531799C2 (sv) * 2006-09-01 2009-08-04 Leptonradio Ab En anordning för trådlös manövrering och en metod för att manövrera anordningen
JP5152274B2 (ja) * 2010-08-24 2013-02-27 日立電線株式会社 Ｒｆｉｄ読み取り装置
CN103152028A (zh) * 2013-01-31 2013-06-12 南京南瑞继保电气有限公司 一种提高固态开关驱动可靠性的装置
CN104382601A (zh) * 2014-11-21 2015-03-04 天津大学 一种基于rfid的血氧脉搏检测系统
CN105006155A (zh) * 2015-07-28 2015-10-28 苏州宏展信息科技有限公司 一种基于射频传输的行人交通信号灯箱控制系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083003A (en) * 1973-11-05 1978-04-04 Products Of Information Technology, Inc. Vehicle location system
US4623877A (en) * 1983-06-30 1986-11-18 Knogo Corporation Method and apparatus for detection of targets in an interrogation zone
US5121103A (en) * 1988-07-29 1992-06-09 Knogo Corporation Load isolated article surveillance system and antenna assembly
US5070500A (en) * 1988-08-30 1991-12-03 Tokyo Keiki Company Ltd. Memory package system utilizing inductive coupling between memory module and read/write unit
US4975681A (en) * 1989-12-07 1990-12-04 Sensormatic Electronics Corporation Interfering signal rejection circuitry and electronic article surveillance system and method employing same
US5266926A (en) * 1991-05-31 1993-11-30 Avid Marketing, Inc. Signal transmission and tag power consumption measurement circuit for an inductive reader
FR2685582B1 (fr) * 1991-12-18 1997-06-27 Com 1 Dispositif d'interface electronique de transmission lineaire de signaux a haute isolation par opto-coupleurs polarises en inverse.
US5331453A (en) * 1992-06-15 1994-07-19 Ael Defense Corp. Millimeter wave fiber-optically linked antenna receiver device
US5353011A (en) * 1993-01-04 1994-10-04 Checkpoint Systems, Inc. Electronic article security system with digital signal processing and increased detection range
JP3600266B2 (ja) * 1994-04-08 2004-12-15 株式会社ルネサステクノロジ 非接触ｉｃカードインタフェース装置及びそれを用いた通信システム

Also Published As

Publication number Publication date
CN1238732C (zh) 2006-01-25
EP1376445B1 (en) 2006-04-19
ES2262929T3 (es) 2006-12-01
CA2624853A1 (en) 2000-02-03
CN1135509C (zh) 2004-01-21
KR20010079523A (ko) 2001-08-22
AU5100799A (en) 2000-02-14
AU753617B2 (en) 2002-10-24
DE69921658D1 (de) 2004-12-09
KR100660409B1 (ko) 2006-12-22
EP1099200A4 (en) 2003-04-09
CN1495438A (zh) 2004-05-12
WO2000005692A1 (en) 2000-02-03
ES2233058T3 (es) 2005-06-01
EP1376445A3 (en) 2004-01-07
EP1376445A2 (en) 2004-01-02
EP1099200B1 (en) 2004-11-03
JP4445672B2 (ja) 2010-04-07
JP2002521899A (ja) 2002-07-16
CA2338640A1 (en) 2000-02-03
EP1099200A1 (en) 2001-05-16
DE69930975T2 (de) 2006-12-14
DE69921658T2 (de) 2005-10-20
ATE323910T1 (de) 2006-05-15
CA2338640C (en) 2010-02-02
DE69930975D1 (de) 2006-05-24
CN1310833A (zh) 2001-08-29

Similar Documents

Publication Publication Date Title
CA2219381C (en) Modulated backscatter sensor system
EP0006691B1 (en) Object identification system
CN106934316B (zh) 射频识别装置和方法
CA2283250C (en) Data communication apparatus
ATE244427T1 (de) Verwendung für ein hochfrequenz- identifikationssystem
AR019378A1 (es) Generador de senales para utilizacion en un sistema de identificacion por radiofrecuencia.
JPH0746025A (ja) アンテナ装置
CN1344447A (zh) 射频接收电路
CA2081752A1 (en) Transponder System
TW330276B (en) Diode receiver for radio frequency transponder capable of supplying power to the electronics of the RF tag in addition to have tag power rectification circuit
ATE281671T1 (de) Optisches interface zwischen empfänger und auswerteeinheit für antwortsignale eines etiketts in rfid-systemen zur erkennung von leistungsschwachen resonanzetiketten
ATE163789T1 (de) Periodisches pulsdiskriminierungssystem
GB1488850A (en) Electronic identification system
US6046668A (en) Interrogator circuit arrangement
ATE116755T1 (de) Ladendiebstahlnachweissystem vom transmissionstyp.
ATE226337T1 (de) Verbessertes lesegerät für kontaktlose etiketten
CN1790368B (zh) 用于无线数据传输的方法
EP0408573B1 (en) Device for the identification of objects
US8138890B2 (en) Hybrid ultrasonic and radio frequency identification system and method
EP1793355A3 (en) A magnetomechanical electronic article surveillance system and method using side-band detection
FI116650B (fi) Menetelmä etätunnistimen suorituskyvyn parantamiseksi
IT1198055B (it) Sistema antitaccheggio
EP1415264B1 (en) Non-contact smart card interrogator, wherein across a transmission line from an antenna to a receiver the signal modulation varies between amplitude modulation and phase modulation
JPH07131403A (ja) データ通信装置
JPH07154275A (ja) 無線周波符号識別方法

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties