P c m signal coding
P.c.m. telephone system
Pabx common channel relay system
Pabx common channel relay system
Pabx register for acquiring hundreds information from a two...
Pabx transmission and impulsing arrangement
Pabx with voice mail device
Pabx with voice mail device
Pacemaker telemetry system
Pacer pulse width signaling system for telephonic communication
Packaged media encryption using stored key table
Packaged optical wavelength selector and optical gate for...
Packaging
Packaging for telephone multiplex equipment
Packed yuv9 format for interleaved storage and efficient...
Packet acknowledgment for polled mesh network communications
Packet and circuit switched communications network
Packet authentication
Packet aware scheduler in wireless communication systems
Packet based transmission of multiple data signals