US PATENT SUBCLASS 352 / 19
.~.~ Picture controls sound

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

1  DF  WITH SOUND ACCOMPANIMENT {12}
12  DF  .~ Picture and sound synchronizing {7}
19.~.~ Picture controls sound {1}
20  DF  .~.~.~> Control signal carried by picture record

DEFINITION

Classification: 352/19

(under subclass 12) Subject matter in which the picture recorder or reproducer controls the sound recorder or reproducer to maintain the proper time relationship between the picture and sound.