US PATENT SUBCLASS 434 / 244
.~ Simulation of radio directional beam carrying Morse code signal

Current as of: June, 1999
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434 /   HD   EDUCATION AND DEMONSTRATION

239  DF  RADIO NAVIGATION {5}
244.~ Simulation of radio directional beam carrying Morse code signal

DEFINITION

Classification: 434/244

Simulation of radio directional beam carrying morse code signal:

(under subclass 239) Subject matter including an imitation of a directed radio beam modulated by a signal used in transmitting Morse code, generally signals for the letters A and N.