US PATENT SUBCLASS 84 / 675
.~.~.~ With frequency multiplication or division

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
600  DF  .~ Electrical musical tone generation {5}
671  DF  .~.~ Electric analog oscillators {9}
675.~.~.~ With frequency multiplication or division {2}
676  DF  .~.~.~.~> With transistor
677  DF  .~.~.~.~> With space discharging means

DEFINITION

Classification: 84/675

With frequency multiplication or division:

(under subclass 671) Subject matter wherein the discrete notes of a musical scale are derived through frequency multipliers or dividers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

648, for frequency multiplication or division with digital combinational circuit.