Wireless telephone systememploying switchboard-controlled lines

Details Wireless telephone systememploying switchboard-controlled lines Wireless telephone systememploying switchboard-controlled lines

H - Electricity

04

J

H04J 3/02 (2006.01)

Patent

CA 2128842

-9- A time division duplex wireless telephone system has a switchboard connected to a public switched telephone, network with a base station for RF modulation of outgoing telephone signals and demodulation of incoming telephone signals, telephone lines connecting the switchboard to the base station, the switchboard has line cards for interfacing said switchboard with said telephone lines. Wireless handsets receive the outgoing signals and transmit the incoming signals as off-air signals and radio signal broadcast and reception arrangement, e.g. a leaky coaxial cable or an array of RF repeaters, is connected to the base station and has a broadcast and reception zone covering a predetermined region for exchanging the off-air signals with the handsets over the predetermined reception and transmission region.

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