Trunk circuit
Trunk circuit for crossbar switching systems
Trunk circuit identification
Trunk control system
Trunk dialing converter
Trunk for packet switching
Trunk interface circuit
Trunk selection scanning circuit
Trunk timer arrangement
Trunked communication system with nationwide roaming capability
Tsps key scanner
Two party memory access arbitrator
Two-dimensional optoelectronic tune-switch
Two-mode operation memory for digital internal switch
Two-stage, at least doubled atm reversing switching network...
Two-way radio paging system using direct sequence spread...
Two-way telephone and two-way paging service on the same...
Two-way wide area telemetry system
Two-way wireless messaging system having user agent
Two-wire signal transmission system