T.d.m. exchange systems

T.d.m. transmission of asynchronously occuring binary data

T.d.m. transmission of binary signals

T.d.m. transmission systems

T1 line format for robbed signaling for use with ccitt 32k...

Tasi apparatus for use with systems having interregister...

Tasi system including an order wire

Tdm communication system for a wide area site and a...

Tdm communication system for efficient spectrum utilization

Tdm data transmission system

Tdm pcm communication system

Tdm quasi-duplex system

Tdm system and method having time slot request signaling

Tdma communication system having common time slots for...

Tdma for mobile access in a cdma system

Tdma multiplexer-demultiplexer with multiple ports

Tdma point-to-multipoint communications system

Tdma radio communication apparatus

Tdma radio-communication method

Tdma ranging