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Train location and control using spread spectrum radio communications 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04K-001/00
출원번호 US-0063097 (1993-05-17)
발명자 / 주소
  • Swensen Marvin D. (Fullerton CA) Mayhew Gregory L. (Fullerton CA) Himes John G. (Placentia CA) Long David S. (Chino Hills CA) Kivett James A. (Carson CA)
출원인 / 주소
  • Hughes Aircraft Company (Los Angeles CA 02)
인용정보 피인용 횟수 : 123  인용 특허 : 0

초록 ▼

Communication devices and communication network techniques are employed to meet safety-critical, operational requirements for train location and control in railroad and public transit applications. On-board and trackside communication radios participate in a synchronous, time-slotted communication n

대표청구항 ▼

A system for determining real time location of trains moving along a fixed track system, comprising: a plurality of trackside wireless RF radio sets located in spaced relation at fixed, predetermined positions relative to said track system; at least one train-mounted wireless RF radio set located on

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