US PATENT SUBCLASS 340 / 681
.~.~.~ Synchronization

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
679  DF  .~.~ Machine condition {6}
681.~.~.~ Synchronization

DEFINITION

Classification: 340/681

Synchronization:

(under subclass 679) Subject matter where the condition is synchronization between mechanisms.

SEE OR SEARCH CLASS

307, Electrical Transmission or Interconnection Systems,

87, for connecting plural supply circuits or sources at correct phase relationship.

318, Electricity: Motive Power Systems,

85, for synchronizing motors.

324, Electricity: Measuring and Testing,

378+, for ignition timing.

375, Pulse or Digital Communications,

106, for synchronizers.