KR100475777B1 - 다중 공진 주파수 식별 장치의 태그들을 판독하기 위한 비충돌 프로토콜 - Google Patents

다중 공진 주파수 식별 장치의 태그들을 판독하기 위한 비충돌 프로토콜 Download PDF

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Publication number
KR100475777B1
KR100475777B1 KR10-1999-7007157A KR19997007157A KR100475777B1 KR 100475777 B1 KR100475777 B1 KR 100475777B1 KR 19997007157 A KR19997007157 A KR 19997007157A KR 100475777 B1 KR100475777 B1 KR 100475777B1
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South Korea
Prior art keywords
devices
radio frequency
data
length
integrated circuit
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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
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KR10-1999-7007157A
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English (en)
Korean (ko)
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KR20000070892A (ko
Inventor
보우에르즈존에이치.
다이글존넬슨
페트로빅레이드
Original Assignee
체크포인트 시스템즈 인코포레이티드
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Publication of KR20000070892A publication Critical patent/KR20000070892A/ko
Application granted granted Critical
Publication of KR100475777B1 publication Critical patent/KR100475777B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B13/2485—Simultaneous detection of multiple EAS tags
    • 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
    • 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
    • G06K7/10019—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
    • G06K7/10029—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot
    • G06K7/10059—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 resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot transponder driven
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL 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
    • G08B13/2431—Tag circuit details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Security & Cryptography (AREA)
  • Automation & Control Theory (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
KR10-1999-7007157A 1997-02-07 1998-01-22 다중 공진 주파수 식별 장치의 태그들을 판독하기 위한 비충돌 프로토콜 Expired - Fee Related KR100475777B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/796,645 US5883582A (en) 1997-02-07 1997-02-07 Anticollision protocol for reading multiple RFID tags
US08/796,645 1997-02-07
US8/796,645 1997-02-07
PCT/US1998/001020 WO1998035327A1 (en) 1997-02-07 1998-01-22 Anticollision protocol for reading multiple rfid tags

Publications (2)

Publication Number Publication Date
KR20000070892A KR20000070892A (ko) 2000-11-25
KR100475777B1 true KR100475777B1 (ko) 2005-03-10

Family

ID=25168688

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-1999-7007157A Expired - Fee Related KR100475777B1 (ko) 1997-02-07 1998-01-22 다중 공진 주파수 식별 장치의 태그들을 판독하기 위한 비충돌 프로토콜

Country Status (10)

Country Link
US (1) US5883582A (https=)
EP (1) EP0958561A4 (https=)
JP (1) JP2001511276A (https=)
KR (1) KR100475777B1 (https=)
CN (1) CN1161724C (https=)
AR (1) AR011119A1 (https=)
AU (1) AU723246B2 (https=)
CA (1) CA2279458A1 (https=)
TW (1) TW399190B (https=)
WO (1) WO1998035327A1 (https=)

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AR011119A1 (es) 2000-08-02
CA2279458A1 (en) 1998-08-13
CN1161724C (zh) 2004-08-11
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WO1998035327A1 (en) 1998-08-13
KR20000070892A (ko) 2000-11-25
EP0958561A4 (en) 2005-03-16
US5883582A (en) 1999-03-16
TW399190B (en) 2000-07-21
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