US PATENT SUBCLASS 84 / 630
.~.~.~.~.~ Reverberation

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
600  DF  .~ Electrical musical tone generation {5}
601  DF  .~.~ Data storage {6}
602  DF  .~.~.~ Digital memory circuit (e.g., RAM, ROM, etc.) {9}
626  DF  .~.~.~.~ Expression or special effects (e.g., force or velocity responsive, etc.) {7}
630.~.~.~.~.~ Reverberation

DEFINITION

Classification: 84/630

Reverberation:

(under subclass 626) Subject matter for providing time delays that simulate a plurality of acoustic reflections of a given tone; e.g., echo.

SEE OR SEARCH CLASS

367, Communications, Electrical: Acoustic Wave Systems and Devices,

87+, for echo systems, per se.

381, Electrical Audio Signal Processing Systems and Devices,

63+, for reverberation.