US PATENT SUBCLASS 381 / 380-- .~.~.~.~ Ear insert or bone conduction

US PATENT SUBCLASS 381 / 380
.~.~.~.~ Ear insert or bone conduction

Current as of: June, 1999
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381 /	HD	ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

150	DF	ELECTRO-ACOUSTIC AUDIO TRANSDUCER {18}
182	DF	.~ Plural or compound reproducers {4}
370	DF	.~.~ Headphone {3}
374	DF	.~.~.~ Particular support structure {9}
380		.~.~.~.~ Ear insert or bone conduction

DEFINITION

Classification: 381/380

Ear insert or bone conduction:

(under subclass 374) Subject matter which a) fits entirely within a user's ear or is completely supported within the outer auditory meatus of a user's ear, or b) is designed to transmit sound to a user's inner ear by vibration of a user's skeletal structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

326, for a hearing aid that uses a non-air- conducted sound delivery to inner ear in a specified casing or housing.

328, for a hearing aid comprising an ear insert in a specified casing or housing.