US PATENT SUBCLASS 455 / 428
.~.~.~ Switching or routing

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

403  DF  RADIOTELEPHONE SYSTEM {12}
422  DF  .~ Zoned or cellular telephone system {14}
427  DF  .~.~ Space satellite {3}
428.~.~.~ Switching or routing

DEFINITION

Classification: 455/428

Switching or routing:

(under subclass 427) Subject matter which selects a suitable satellite in a constellation or an antenna beam within a satellite to relay communication signals.

(1) Note. A satellite usually has more than one antenna beam; each beam covers a particular area on earth via satellite projection.