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Signal time of arrival position determining method for calculating cellular telephone billing charges

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04M-011/00
  • G01S-003/02
출원번호 US-0794261 (1997-01-31)
발명자 / 주소
  • Dunn Michael Jeffrey
  • Atherly Don Harold
  • Reudink Douglas Otto John
  • Feuerstein Martin Jay
  • Foerster Ronald Ernest
  • Chuang Ching
  • Vendetti Dino John
대리인 / 주소
    Brooks & Kushman, P.C.Kinsella
인용정보 피인용 횟수 : 148  인용 특허 : 0

초록

A cellular telephone mobile unit position determining method which utilizes a plurality of range transceivers located at known fixed locations adapted to transmit approximately synchronized digital range signals. The method is especially adapted to determine the position of a cellular mobile unit wi

대표청구항

[ What is claimed is:] [1.] For use in a wireless telephone system that includes a computer having memory provided in electrical communication with a cell site transceiver that transmits and receives voice signals and control signals to and from a mobile telephone unit over one or more respective vo

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