381 / | HD | ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES |
150 | DF | ELECTRO-ACOUSTIC AUDIO TRANSDUCER {18} |
355 | DF | .~ Housed microphone {4} |
361 | ![]() | .~.~ Mounting or support {7} |
362 | DF | .~.~.~> Boom (other than on headset) |
363 | DF | .~.~.~> Stand or gooseneck |
364 | DF | .~.~.~> On body or clothing |
365 | DF | .~.~.~> In electronic apparatus or vehicle |
366 | DF | .~.~.~> Detachable from support |
367 | DF | .~.~.~> In headgear |
368 | DF | .~.~.~> On shock absorbing support |