US PATENT SUBCLASS 359 / 141
.~ Underwater

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

109  DF  OPTICAL COMMUNICATION {13}
141.~ Underwater

DEFINITION

Classification: 359/141

Underwater:

(under subclass 109) Subject matter wherein optical communication is performed via a light beam actually travelling through the water.

(1) Note. This communication can be used by underwater divers.

(2) Note. This subject matter can also be used in underwater repeaters.

SEE OR SEARCH CLASS

367, Communications, Electrical: Acoustic Wave Systems and Devices,

131+, for underwater acoustic communications systems.