US PATENT SUBCLASS 352 / 14
.~.~ Loop control

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}
14.~.~ Loop control

DEFINITION

Classification: 352/14

(under subclass 12) Subject matter in which dimensions of a loop in either the picture carrier or sound carrier are employed to control speed regulation means to maintain the desired time relationship between picture and sound carriers.