US PATENT SUBCLASS 381 / 379
.~.~.~.~ adjustable

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
379.~.~.~.~ adjustable

DEFINITION

Classification: 381/379

Adjustable:

(under subclass 374) Subject matter in which some characteristic of a support structure may be altered in length or size to ensure a proper fit of a transducer to the user's head.

SEE OR SEARCH THIS CLASS, SUBCLASS:

383, for a collapsible feature in particular support structure.