Bone-conductive stereo headphones

Details Bone-conductive stereo headphones Bone-conductive stereo headphones

1992-06-30

1994-06-21

Kuntz, Curtis

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Body contact wave transfer

381 683, H04R 2500

Patent

active

053234685

ABSTRACT:
An arrangement was devised for the delivery of stereophonic soundwaves through the mastoid bone structure of the human skull. The system allows for the partial bypassing of the use of the auditory canals, and for the conduction of audio output signals generated in a stereo radio, tape player or other audio device, leaving the auditory canals unobstructed and able to receive airborne sound waves. The system includes one or more accoustical transducers applied to the sides of a person's head adjacent each of his ear canals and in accoustical conduction with the mastoid bone structure thereat. Incoming audio signals to be received through the bone structure are processed in a manner in which these signals are compared to the sonic conductivity data for the bone structure so that selective amplification of the sonic frequency spectrum which are more poorly or slowly conducted through the mastoid bone structure may be enhanced thereby increasing the efficiency of the reception of the incoming audio signals by the person.

REFERENCES:
patent: 4791673 (1988-12-01), Schreiber
patent: 4887299 (1989-12-01), Cummins et al.

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