Photosensitive document identification apparatus
United States Patent 3176140
US Patent References:
Electrical drier for paper and the like
- - 1401303
Illuminated directory
- - 2716298
Electroluminescent telephone dial
- - 2908806
Apparatus for generating visible light by photo-electroluminescence
- - 2933602
Electroluminescent mark sensing
- - 3092726
Electrical drier for paper and the like
- - 1401303
Illuminated directory
- - 2716298
Electroluminescent telephone dial
- - 2908806
Apparatus for generating visible light by photo-electroluminescence
- - 2933602
Electroluminescent mark sensing
- - 3092726
Inventors:
Lothar, Schroth
Publication Date:
03/30/1965
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Export Citation:
Assignee:
INT STANDARD ELECTRIC CORP
Primary Class:
Other Classes:
235/491, 235/454, 250/223R
International Classes:
B07C3/14; B07C3/10
Foreign References:
| GB686642A |