Passenger vehicles incorporating loudspeakers comprising...

Passenger vehicles incorporating loudspeakers comprising...

Passive acoustic radiating

Passive acoustic radiating

Passive ambience recovery system for the reproduction of sound

Passive ambience recovery system for the reproduction of sound

Passive headphone equalizing

Passive radiator cooled electronics/heat sink housing for a...

Passive radiator having mass elements

Passive sound telemetry system and method and operating toy...

Passive surround sound circuit

Passive vehicle classification using low frequency electro-magne

Passive vibroacoustic attenuator for structural acoustic...

Passive voice-activated microphone and transceiver system

Patient controlled master hearing aid

Patient-isolating programming interface for programming...

Pattern detection circuitry

Pattern feature extracting system

Pattern learning and recognition apparatus in a computer system

Pattern matching apparatus