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Class Information
Number: 370/279
Name: Multiplex communications > Duplex > Communication over free space > Duplex repeaters
Description: Subject matter including circuitry for compensating attenuation losses of duplex signals or for increasing the communication range for extension terminal equipment at either end of a duplex transmission line.


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
4754450 TDM communication system for efficient spectrum utilization Jun. 28, 1988
4672601 Duplex interconnect/dispatch trunked radio system Jun. 9, 1987
4510595 Modified time-division transmission technique for digital mobile radio systems Apr. 9, 1985
4490818 Repeater station for use in a radio relay system to protect time deviations of time slots Dec. 25, 1984

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