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

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Body contact wave transfer

Dual mode transducer for a portable receiver

Electrical audio signal processing systems and devices – Headphone circuits

Dual mode transmission device

Electrical audio signal processing systems and devices – Sound effects – Reverberators

Dual outlet passage hearing aid transducer

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

Dual processor speech recognition system with dedicated data acq

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

Dual purpose variable Q filter

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

Dual range audio level control

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

Dual streaming with exchange of FEC streams by audio sinks

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

Dual use of an integrated circuit pin and the switching of...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element

Dual voice coil sound reproducing device

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker

Dual-chamber loudspeaker

Electrical audio signal processing systems and devices – Binaural and stereophonic – Hearing aid

Dual-chamber multi-channel speaker for surround sound stereo aud

Electrical audio signal processing systems and devices – Loudspeaker feedback

Dual-driver bass speaker with acoustic reduction of out-of-phase

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure

Dual-frequency coaxial earphones

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

Dual-processing interference cancelling system and method

Electrical audio signal processing systems and devices – Directive circuits for microphones

Dual-processing interference cancelling system and method

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

Dual-step sound pattern matching

Electrical audio signal processing systems and devices – Binaural and stereophonic

Dual-tweeter loudspeaker

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear

Ducted axial fan

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

DVE system with dynamic range processing