US PATENT SUBCLASS 352 / 12
.~ Picture and sound synchronizing

Current as of: June, 1999
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352 /   HD   OPTICS: MOTION PICTURES

1  DF  WITH SOUND ACCOMPANIMENT {12}
12.~ Picture and sound synchronizing {7}
13  DF  .~.~> Manual control
14  DF  .~.~> Loop control
15  DF  .~.~> Sound record controls picture {2}
19  DF  .~.~> Picture controls sound {1}
21  DF  .~.~> With independent speed regulation
22  DF  .~.~> With synchronous starting
23  DF  .~.~> With synchronizing indicator {1}

DEFINITION

Classification: 352/12

(under subclass 1) Subject matter including means to maintain a timed relationship between the sound and picture recording or reproducing.