US PATENT SUBCLASS 84 / 601
.~.~ Data storage

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
600  DF  .~ Electrical musical tone generation {5}
601.~.~ Data storage {6}
602  DF  .~.~.~> Digital memory circuit (e.g., RAM, ROM, etc.) {9}
639  DF  .~.~.~> Photoelectric {1}
641  DF  .~.~.~> Magnetic {1}
643  DF  .~.~.~> Capacitive
644  DF  .~.~.~> Constructional details
645  DF  .~.~.~> MIDI (musical instrument digital interface)

DEFINITION

Classification: 84/601

Data storage:

(under subclass 600) Subject matter wherein tone characteristic informations such as timbre, envelope, harmonic contents, pitch or etc., are retained and retrievable to produce musical tone.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

111, and 113 for storing or recording voltage or current.

360, Dynamic Magnetic Information Storage and Retrieval,

32, for prior analog to digital conversion; subclasses 55+ for magnetic recording and producing; subclass 131 for recording medium, per se.

365, Static Information Storage and Retrieval, appropriate subclasses for memory, per se, and

48, for magnetic analog storage. 369, Dynamic Information Storage and Retrieval,

63, for sound reproduction for toy or novelty; subclass 86 for acoustic signal storage and retrieval; subclasses 272+ for storage medium, per se.

704, Data Processing: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression,

206+, for storage of pitch and formats.