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Area communications system

  • US 5,034,961 A
  • Filed: 06/03/1988
  • Issued: 07/23/1991
  • Est. Priority Date: 06/11/1987
  • Status: Expired due to Fees
First Claim
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1. A nodeless area communications system comprising a plurality of radio stations arranged for direct inter-communication, each radio station comprising a transmitter for transmitting signals at a respective transmission frequency associated with the station and differing from the transmission frequences of the other stations of the system, the signals being in the form of one or more packets of data and including one or more address codes for identifying the or each radio station to receive the signals, the stations being arranged to enable the signals to be transmitted continuously and simultaneously at their associated frequencies during a transmission period, each radio station further comprising a multi channel receiver arranged to enable simultaneous and direct reception of the signals transmitted continuously and simultaneously from any or all of the other stations at the associated transmission frequencies during a said transmission period, the receivers of the radio stations including means to identify the address code of any received packet of data and associated therewith, thereby to enable the simultaneous transmission and reception of the signals, in the form of the one or more packets of data, directly between any or all of the stations of the system at any time during the said transmission period.

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