US PATENT SUBCLASS 455 / 105
.~.~ Common frequency

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

91  DF  TRANSMITTER {22}
103  DF  .~ Plural separate transmitters or channels {2}
105.~.~ Common frequency

DEFINITION

Classification: 455/105

Common frequency:

(under subclass 103) Subject matter where the plural transmitters broadcast on the same frequency.

(1) Note. Systems with frequency control of the second, spaced, or remote, transmitter are classified in subclass 92 above.