US PATENT SUBCLASS 375 / 211
REPEATERS


Current as of: June, 1999
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375 /   HD   PULSE OR DIGITAL COMMUNICATIONS

211REPEATERS {3}
212  DF  .~> Ring or star configuration
213  DF  .~> Testing
214  DF  .~> Including pulse regeneration or conversion {1}


DEFINITION

Classification: 375/211

REPEATERS:

(under the class definition) Subject matter including apparatus wherein a pulse signal is received and retransmitted usually at a higher energy level.

SEE OR SEARCH CLASS

178, Telegraphy,

70+, for telegraph repeaters.

370, Multiplex Communications,

279, and 293 for wireless and wired duplex repeaters respectively, subclass 315 for a wireless multiplex repeater, subclass 492 for a frequency division multiplexing repeater, and subclass 501 for a time division multiplexing repeater.

379, Telephonic Communications, 338+, for telephone repeaters.

455, Telecommunications,

7+, for modulated carrier wave repeaters.