Phase adjustment circuit

Phase alignment circuit for stuffed-synchronized TDM transmissio

Phase controlled frequency division multiplexed communications s

Phase locking circuit for jitter reduction in a digital multiple

Phase matching circuit

Phase-conjugate communication using mutually incoherent laser be

Phase-locked loop and clock circuit for a line switch

Photonic local/metropolitan area network

Photonic switch architecture utilizing code and wavelength multi

Photonic switching network with broadcast facility

Pilot signal searching technique for a cellular communications s

Ping-pong communication method and apparatus

Pipeline information delivery system

Pipeline multiplexer

Plural communication channel protocol support systems

Point of sale system that bypasses the public telephone network

Point-to-multipoint connection system

Point-to-point communication network and method and adapter for

Pointer processing circuit in sonet system

Pointer re-setting method and apparatus thereof