US PATENT SUBCLASS 368 / 52
.~ Primary with direct synchronization or drive

Current as of: June, 1999
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368 /   HD   HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES

46  DF  PLURAL TIMEPIECE SYSTEM OR SYSTEM DEVICE (E.G., PRIMARY OR SECONDARY CLOCKS) {5}
52.~ Primary with direct synchronization or drive {6}
53  DF  .~.~> By external condition responsive means
54  DF  .~.~> By fluidic actuation means
55  DF  .~.~> By communication means
56  DF  .~.~> By signal frequency change
57  DF  .~.~> By signal amplitude change
58  DF  .~.~> By signal polarity change

DEFINITION

Classification: 368/52

Primary with direct synchronization or drive:

(under subclass 46) Subject matter wherein the central station timepiece drives the remote timepieces through a physical (electrical or otherwise) connection with the remote timepieces.

SEE OR SEARCH CLASS

340, Communications: Electrical,

870.01+, for telemetering, per se.

375, Pulse or Digital Communications,

106, for synchronizing the operation of sending and receiving mechanisms.