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특허 상세정보

Universal electronic identification tag

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01S-013/80   
미국특허분류(USC) 340/010.34 ; 340/010.34 ; 340/010.41
출원번호 US-0318235 (1994-10-05)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Malm
인용정보 피인용 횟수 : 74  인용 특허 : 19
초록

The universal electronic identification tag is for use with a variety of readers of different designs including a control reader which can be used to control the operations of the universal tag. A reader interrogates a tag by transmitting a carrier. The universal tag comprises a transducer, a modulator connected across the transducer, and a control means. The control means causes the modulator to drive the transducer with a plurality of different message waveforms after interrogation by a reader, the tag identity being embedded in each of the message wav...

대표
청구항

[ What is claimed is:] [1.]1. A tag for use with a plurality of readers of different designs, each reader being operable with associated tags, a reader performing an interrogation by transmitting a carrier, an associated tag responding to an interrogation with an associated-tag message waveform that can be read by the reader, the tag comprising:a transducer;a modulator connected across the transducer;a control means for causing the modulator to drive the transducer with a plurality of different message waveforms after interrogation by a reader, each of t...

이 특허에 인용된 특허 (19)

  1. Koo Roland (Graz ATX) Holweg Gerald (Graz ATX). Contactless inductive data-transmission system. USP1994095345231.
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  4. Hogen Esch Johannes H. L. (Aalten NLX) Kip Harm J. (Lichtenvoorde NLX). Electronic identification system. USP1992045103222.
  5. Huber Alexander G. (Munich DEX). Group-addressable transponder arrangement. USP1995045410315.
  6. Katzenstein Henry S. (Pacific Palisades CA). Identification system. USP1988064752776.
  7. Milheiser Thomas A. (Littleton CO). Identification system. USP1992115166676.
  8. Troyk Philip R. (Morton Grove IL) DeMichele Glenn A. (Chicago IL). Method and apparatus for modulating and detecting a subcarrier signal for an inductively coupled transponder. USP1992035095309.
  9. Beigel Michael L. (Corona CA). Multi-memory electronic identification tag. USP1996035499017.
  10. Beigel Michael L. (Corona CA). Multi-memory electronic identification tag. USP1993055214409.
  11. Hoover D. Robert (Santa Cruz CA). Passive sensing and encoding transponder. USP1982084345253.
  12. Carroll Gary T. (4260 Blackcherry Ct. Boulder CO 80301) Pauley J. Donald (Panorama Dr. Estes Park CO 80517). Programmable identification apparatus and method therefor. USP1996055517188.
  13. Davis Walter L. (Plantation FL). Reduced power consumption low battery alert device. USP1987044660027.
  14. Schuermann Josef (Oberhummel DEX). System and method for reading multiple RF-ID transponders. USP1996035500651.
  15. Murdoch Graham A. M. (Perth AUX). Transponder. USP1992105153583.
  16. Stickelbrocks Karl (Freising DEX). Transponder. USP1991125073781.
  17. Hecht Johannes (Neu-Ulm DEX) Peters Andreas (Ulm DEX). Transponder and data communications system. USP1996055515053.
  18. Schuermann Josef H. (Oberhummel DEX) Heinecke Guenter (Langenbach DEX) Kremer Rudolf (Wartenberg DEX). Transponder arrangement. USP1991105053774.
  19. Carroll Gary T. (Boulder CO). Transponder device. USP1988024724427.

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