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Cellular data overlay system for storing data identifying selected data allocated channels 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04M-011/00
  • H04J-004/00
  • H04J-003/16
  • H04Q-007/00
출원번호 US-0161694 (1993-12-03)
발명자 / 주소
  • Slekys Arunas G. (Calgary CAX) Gage William A. (Calgary CAX) Andrietz William E. (Calgary CAX) Sharman Duane (Calgary CAX)
출원인 / 주소
  • NovAtel Communications, Ltd. (Calgary CAX 03)
인용정보 피인용 횟수 : 127  인용 특허 : 0

초록 ▼

A cellular telephone system includes a packet-switched digital data communication subsystem overlaying a circuit-switched (e.g., voice) communication subsystem, with voice and data services sharing the same voice channels. The voice communication subsystem provides voice services independently of th

대표청구항 ▼

A remote unit for data communication with a data basestation over a selected one of a plurality of data-allocated voice channels of a cellular telephone system comprising a plurality of voice basestations, each voice basestation associated with one of said data basestations and a control channel, sa

이 특허를 인용한 특허 (127)

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