US PATENT SUBCLASS 381 / 63
.~ Reverberators

Current as of: June, 1999
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381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

61  DF  SOUND EFFECTS {2}
63.~ Reverberators {1}
64  DF  .~.~> Mechanical (e.g., reverberation chamber) {1}

DEFINITION

Classification: 381/63

Reverberators:

(under subclass 61) Subject matter having a device for producing echoes in the audio signal.

SEE OR SEARCH CLASS

84, Music,

1.24, for reverberation production in electronic musical instruments, and digest 26 for musical reverberation.

181, Acoustics,

123+, for echo system.

333, Wave Transmission Lines and Networks,

138, 164 for delay lines. 360, Dynamic Magnetic Information Storage or Retrieval,

7, for recording for momentary delay to produce echoes.

369, Dynamic Information Storage or Retrieval,

60, for using a recording system to delay a signal.