Preference network
United States Patent 2874286
US Patent References:
Electronic musical instrument
- - 2083246
Electronic piano
- - 2200718
Electrical transmitting system
- - 2224000
Apparatus for the production of music
- - 2237105
Audio fatigue unit
- - 2494594
Electronic musical instrument
- - 2083246
Electronic piano
- - 2200718
Electrical transmitting system
- - 2224000
Apparatus for the production of music
- - 2237105
Audio fatigue unit
- - 2494594
Inventors:
Bode, Harald E. W.
Publication Date:
02/17/1959
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Export Citation:
Assignee:
ESTEY ORGAN CORP
Primary Class:
Other Classes:
84/DIG.002, 330/147, 984/339
International Classes:
G10H1/22
US Patent References:
| 2577752 | Tone quality control circuit for electrical musical instruments |