Title:
Sound reproduction system
United States Patent 3009991
US Patent References:
System for transmitting and amplifying vibratory currents and movements
- - 1822758
Distortion reducing arrangement
- - 2194175
Sound producing device
- - 2841648
Feed back amplifiers
- - 2843671
Sound reproducing system
- - 2860183
System for transmitting and amplifying vibratory currents and movements
- - 1822758
Distortion reducing arrangement
- - 2194175
Sound producing device
- - 2841648
Feed back amplifiers
- - 2843671
Sound reproducing system
- - 2860183
Inventors:
Ivan, Bekey
Publication Date:
11/21/1961
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Export Citation:
Assignee:
Ivan, Bekey
Primary Class:
International Classes:
H03F1/36; H04R3/00; H03F1/34
US Patent References:
| 2948778 | Sound reproducing means |