Patents
Patents for H04W 74 - Wireless channel access, e.g. scheduled or random access (19,423)
09/1986
09/09/1986US4611334 Data communications system carrying messages
08/1986
08/06/1986EP0189854A2 A communication system and a method of operating it capable of interruption talk during data transmission
06/1986
06/19/1986WO1986003645A1 Watch pager system and communication protocol
04/1986
04/15/1986US4583217 Method of access control in a communication system using orthogonal functions
03/1986
03/18/1986CA1202096A1 Accessing of transmission channels of a communication system
01/1986
01/28/1986CA1200030A1 Cordless key telephone system employing infrared transmission
08/1985
08/06/1985US4534061 Pseudomonas strain, optionally mixed with arthrobacter
04/1985
04/10/1985EP0136517A2 Deterministic multi-access method for a decentralized mobile radio system
11/1984
11/20/1984US4484353 Method for controlling the information stream in a cell constituting several radio channels and a device for carrying out this method
11/13/1984CA1177979A1 Apparatus for communicating with a fleet of vehicles
06/1984
06/26/1984US4456793 Cordless telephone system
06/20/1984EP0110888A1 A cordless telephone system.
02/1984
02/29/1984EP0101634A2 Method for access control in a communication system
02/28/1984US4434506 Circuit arrangement for protecting a control channel from jamming waves in a radio communication system
12/1983
12/22/1983WO1983004462A1 A cordless key telephone system employing infrared transmission
11/1983
11/08/1983US4414661 Apparatus for communicating with a fleet of vehicles
07/1983
07/26/1983US4395594 Method and apparatus for forcing randomization of idle channel seizures
06/1983
06/01/1983EP0080232A1 Method of controlling the information traffic in a cell formed by a plurality of radio channels, and apparatus using this method
03/1983
03/02/1983EP0073014A2 Method of accessing transmission channels of an information transmission system
01/1983
01/12/1983EP0069275A1 Apparatus for communicating with a fleet of vehicles
08/1978
08/29/1978CA1037564A1 Multiple zone communications system and method
01/1978
01/31/1978US4071711 Telephone subscriber distribution system
06/1977
06/07/1977US4028500 Mobile unit supervisory control sequencer and method