Apparatus for distinguishing between fluorescent and phosphorescent markings
United States Patent 3180988
US Patent References:
Apparatus for sorting postal packets
- - 2609928
/2704634.html
- - 2704634
Method and apparatus for recording and transmitting information using phosphors
- - 2742631
Coded document reader
- - 2975966
Recognition apparatus
- - 3027830
Apparatus for sorting postal packets
- - 2609928
/2704634.html
- - 2704634
Method and apparatus for recording and transmitting information using phosphors
- - 2742631
Coded document reader
- - 2975966
Recognition apparatus
- - 3027830
Inventors:
Gisbert, Burkhardt
Heinz, Hannemann
Heinz, Hannemann
Publication Date:
04/27/1965
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Assignee:
Telefunken, Patent
Primary Class:
Other Classes:
235/491, 250/365
International Classes:
B07C3/14; G01N21/64; B07C3/10