US PATENT SUBCLASS 375 / 206
.~ Direct sequence

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

200  DF  SPREAD SPECTRUM {7}
206.~ Direct sequence

DEFINITION

Classification: 375/206

Direct sequence:

(under subclass 200) Subject matter including a form of modulation wherein a code sequence is used to directly modulate a carrier, usually by phase-shift keying.