Combination photograph-disc record unit and automatic exhibiting and playing means therefor
United States Patent 3057255
US Patent References:
Unitary synchronized talking machine and picture exhibitor
- - 1836709
Automatic phonograph
- - 2002236
Projection device
- - 2214468
Picture frame
- - 2314417
Automatic slide projector
- - 2476797
Unitary synchronized talking machine and picture exhibitor
- - 1836709
Automatic phonograph
- - 2002236
Projection device
- - 2214468
Picture frame
- - 2314417
Automatic slide projector
- - 2476797
Inventors:
Irvin, Bregman
Publication Date:
10/09/1962
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Assignee:
Irvin, Bregman
Primary Class:
Other Classes:
369/70, 353/105, 353/16
International Classes:
G03B31/06; G03B31/00
US Patent References: