Polarization diversity receiver having little deteriorated sensi

Polarization independent coherent optical heterodyne receivers

Polarization insensitive coherent lightwave detector

Polarization matching mixer

Polarization modulation of optical signals using birefringent me

Pole switch down converter with symmetric resonator

Police radar detector

Police radar signal detection circuitry for a police radar warni

Police radar warning receiver

Poly-phase filter

Polyphase filter with low-pass response

Portable communication device

Portable communication device with a deployable ear bud

Portable communication terminal which judges the reception...

Portable communication terminal, communication method of the...

Portable computer network

Portable computer with internal ethernet/token ring controller

Portable electric apparatus for radio broadcasting simple in...

Portable electric device with power failure recovery and...

Portable electronic device and a method in a portable...