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RFID detection system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G08B-013/14
출원번호 US-0786425 (2001-03-01)
우선권정보 GB-19980021046 (1998-09-28)
국제출원번호 PCT/GB99/03213 (1999-09-28)
국제공개번호 WO00/19235 (2000-04-06)
발명자 / 주소
  • Whitesmith, Howard William
  • Palmer, Timothy John
  • Ball, Alan Edward
출원인 / 주소
  • Tagtec Limited
대리인 / 주소
    McGuire, George R.Hancock & Estabrook, LLP
인용정보 피인용 횟수 : 183  인용 특허 : 5

초록 ▼

A system 100 is disclosed for monitoring the position of one or more RFID tags 201. The system has a detector 301 incorporating circuitry 304 for detecting changes in the range of an RFID tag 201 from the detector and for triggering an alarm 401 if a detected change in range of an RFID tag 201 excee

대표청구항 ▼

A system 100 is disclosed for monitoring the position of one or more RFID tags 201. The system has a detector 301 incorporating circuitry 304 for detecting changes in the range of an RFID tag 201 from the detector and for triggering an alarm 401 if a detected change in range of an RFID tag 201 excee

이 특허에 인용된 특허 (5)

  1. Hemingway Mark D. (2359 Meadowcroft Burton MI 48519), Apparatus for monitoring child activity.
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  2. Sallen Roy (Wayland MA) Budzyna W. James (Whitinsville MA) Sawabini Charles E. (Carlisle MA), Distance determination and alarm system.
    상세보기
  3. Isaacman Marvin ; McGreivy Denis, Method and apparatus for locating and tracking documents and other objects.
    상세보기
  4. Tuttle John R., RF identification system with restricted range.
    상세보기
  5. Rankin Mark J. ; Piccoli Anthony F., System for verifying attachment of an EAS marker to an article after tagging.
    상세보기

이 특허를 인용한 특허 (183)

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