US PATENT SUBCLASS 358 / 416
.~.~.~ With tuning fork

Current as of: June, 1999
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358 /   HD   FACSIMILE AND STATIC PRESENTATION PROCESSING

400  DF  FACSIMILE {17}
409  DF  .~ Synchronization {3}
412  DF  .~.~ Phase or speed regulation {12}
416.~.~.~ With tuning fork

DEFINITION

Classification: 358/416

With tuning fork:

(under subclass 412) Subject matter wherein the phase or speed control is achieved by the use of a 2-pronged implement that vibrates with a fixed frequency when struck.