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

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

Radially expanding multiple flat-surfaced waveguide device

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers

Radio and infrared receiving collapsible hearing device

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers

Radio attachable to spectacles

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

Radio communications apparatus with attenuating ear pieces...

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

Radio distortion processing

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

Radio frequency shielding for receivers within hearing aids...

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

Radio receiver

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

Radio receiver circuit for deriving at least one reception quali

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

Radio receiver having digital signal processing

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

Radio receiver station-seeker stop-signal generator

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

Radio receiver with digital signal processing

Electrical audio signal processing systems and devices – Including frequency control

Radio with audio graphic equalizer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers

Radio, infrared, and audio assistive listening device

Electrical audio signal processing systems and devices – Hearing aids – electrical – Remote control – wireless – or alarm

Radio-based hearing aid system

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker

Rainproof and omnidirectional loudspeaker system

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Raised microstructure of silicon based device

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

Rapidly training a speech recognizer to a subsequent speaker giv

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

Reactance-mass actuator

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Particular transducer or enclosure structure

Reactive sound absorber