US PATENT SUBCLASS 375 / 313
.~.~ Key shock or click prevention

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

295  DF  TRANSMITTERS {6}
309  DF  .~ Keying circuits {6}
313.~.~ Key shock or click prevention

DEFINITION

Classification: 375/313

Key shock or click prevention:

(under subclass 309) Subject matter including provision to eliminate or prevent the electrical disturbances produced by abrupt operation of the key.