US PATENT SUBCLASS 375 / 315
.~.~ Modulation by absorption of signal, changing antenna dimension or changing antenna impedance

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


375 /   HD   PULSE OR DIGITAL COMMUNICATIONS

295  DF  TRANSMITTERS {6}
309  DF  .~ Keying circuits {6}
315.~.~ Modulation by absorption of signal, changing antenna dimension or changing antenna impedance

DEFINITION

Classification: 375/315

Modulation by absorption of signal, changing antenna dimension or changing antenna impedance:

(under subclass 309) Subject matter including means controlled by the keying operation to absorb the oscillations during spacing periods as when the transmission of intelligence is by marks and spaces, or to change the impedance or dimension of the antenna to cause modulation of the carrier.