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Electronic identification tag interrogation method 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G08B-013/14
출원번호 US-0769986 (1991-09-30)
발명자 / 주소
  • Vercellotti Leonard C. (Oakmont PA) Schlotterer John C. (Murrysville PA)
출원인 / 주소
  • Westinghouse Electric Corp. (Pittsburgh PA 02)
인용정보 피인용 횟수 : 151  인용 특허 : 0

초록

An electronic identification tag interrogation method is provided in which a portal transmits an interrogation signal which is received by an electronic identification tag within its field of range. The interrogation signal includes an address which requests a response from every tag having an addre

대표청구항

An electronic identification tag interrogation method comprising the steps of: providing at least two electronic identification tags with a discrete identification number; transmitting a request from a portal for all said at least two identification tags having an identification number within a desi

이 특허를 인용한 특허 (151)

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