US PATENT SUBCLASS 359 / 111
.~ Interference signal transmission or elimination (e.g., jamming or antijamming)


Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

109  DF  OPTICAL COMMUNICATION {13}
111.~ Interference signal transmission or elimination (e.g., jamming or antijamming)


DEFINITION

Classification: 359/111

Interference signal transmission or elimination (e.g., jamming or antijamming):

(under subclass 109) Subject matter wherein a signal, used to interfere with a selected signal so as to prevent the intelligible reception of the selected signal, is either transmitted or eliminated.

(1) Note. The jamming signal of this subclass is independent of the information signal.

SEE OR SEARCH CLASS

342, Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation),

13+, for radio wave jamming and antijamming.

380, Cryptography,

6+, for concealment of information by masking (i.e., coding) of an interference bearing signal.

455, Telecommunications, 1, for in-terference signal transmissions (e.g., jamming) that are telecommunication, not optical signals.