JP2001511276A - 多数の無線周波数識別装置タグ読み取り用抵触防止プロトコル - Google Patents

多数の無線周波数識別装置タグ読み取り用抵触防止プロトコル

Info

Publication number
JP2001511276A
JP2001511276A JP53463498A JP53463498A JP2001511276A JP 2001511276 A JP2001511276 A JP 2001511276A JP 53463498 A JP53463498 A JP 53463498A JP 53463498 A JP53463498 A JP 53463498A JP 2001511276 A JP2001511276 A JP 2001511276A
Authority
JP
Japan
Prior art keywords
transmission period
data
radio frequency
length
devices
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.)
Ceased
Application number
JP53463498A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001511276A5 (enExample
Inventor
バウワーズ，ジヨン，エイチ．
デイグル，ジヨン，ネルソン
ペトロビツチ，レイド
Original Assignee
チエツクポイント システムズ，インコーポレーテツド
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
Application filed by チエツクポイント システムズ，インコーポレーテツド filed Critical チエツクポイント システムズ，インコーポレーテツド
Publication of JP2001511276A publication Critical patent/JP2001511276A/ja
Publication of JP2001511276A5 publication Critical patent/JP2001511276A5/ja
Ceased legal-status Critical Current

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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2485—Simultaneous detection of multiple EAS tags
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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
    • 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 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
    • G08B13/2428—Tag details
    • G08B13/2431—Tag circuit details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Health & Medical Sciences (AREA)
  • Near-Field Transmission Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
JP53463498A 1997-02-07 1998-01-22 多数の無線周波数識別装置タグ読み取り用抵触防止プロトコル Ceased JP2001511276A (ja)

Applications Claiming Priority (3)

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

Publications (2)

Publication Number Publication Date
JP2001511276A true JP2001511276A (ja) 2001-08-07
JP2001511276A5 JP2001511276A5 (enExample) 2005-10-06

Family

ID=25168688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53463498A Ceased JP2001511276A (ja) 1997-02-07 1998-01-22 多数の無線周波数識別装置タグ読み取り用抵触防止プロトコル

Country Status (10)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011527550A (ja) * 2008-07-07 2011-10-27 センサーマティック・エレクトロニクス・エルエルシー Ｒｆｉｄ棚読取システムのための切換可能なパッチアンテナ

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* Cited by examiner, † Cited by third party
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US5883582A (en) 1999-03-16
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WO1998035327A1 (en) 1998-08-13
AU723246B2 (en) 2000-08-24
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