US PATENT SUBCLASS 455 / 38.4
.~.~.~ Visual indication

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

31.1  DF  SYSTEM WITH RECEIVER SELECTION {4}
38.1  DF  .~ Coded sequence {1}
38.2  DF  .~.~ With actuation (e.g., turn on/off or alarm indication, etc.) {3}
38.4.~.~.~ Visual indication

DEFINITION

Classification: 455/38.4

Visual indication:

(under subclass 38.2) Subject matter including a device to generate signals perceptible by the human eye in response to a sequence of encoded pulses.

SEE OR SEARCH CLASS

340, Communications: Electrical,

815.4+, for generic systems with visual indicator.