LandOfFree - US Patents - Listing for Electrical audio signal processing systems and devices

Electrical audio signal processing systems and devices – Feedback suppression

Signal amplifier system with improved echo cancellation

Electrical audio signal processing systems and devices – Including amplitude or volume control – With amplitude compression/expansion

Signal compressing and transmitting apparatus

Electrical audio signal processing systems and devices – Including amplitude or volume control – Automatic

Signal compressing circuit

Utility Patent

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system

Signal compression system

Electrical audio signal processing systems and devices – Including amplitude or volume control – With amplitude compression/expansion

Signal conditioning circuit for compressing audio signals

Electrical audio signal processing systems and devices – Including frequency control – Automatic tone control

Signal control apparatus

Electrical audio signal processing systems and devices – Binaural and stereophonic – Quadrasonic

Signal decoding system

Electrical audio signal processing systems and devices – Including phase control

Signal delaying device

Electrical audio signal processing systems and devices – Circuitry combined with specific type microphone or loudspeaker – With electrostatic microphone

Signal derived bias supply for electrostatic loudspeakers

Electrical audio signal processing systems and devices – Circuitry combined with specific type microphone or loudspeaker – With electrostatic microphone

Signal derived bias supply for electrostatic loudspeakers

Electrical audio signal processing systems and devices – Binaural and stereophonic – Broadcast or multiplex stereo

Signal distinction circuit

Electrical audio signal processing systems and devices – One-way audio signal program distribution

Signal distribution with user-configurable ground-loop control

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system

Signal encoding and decoding method and device

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing

Signal encoding device

Electrical audio signal processing systems and devices – Binaural and stereophonic

Signal enhancement processor for stereo system

Electrical audio signal processing systems and devices – Noise or distortion suppression – Using signal channel and noise channel

Signal expander with discrimination between close and...

Electrical audio signal processing systems and devices – Including amplitude or volume control – With manual volume control

Signal generating module

Electrical audio signal processing systems and devices – Binaural and stereophonic – Broadcast or multiplex stereo

Signal interference protection circuit for AM stereo receiver

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices

Signal level display unit