OPTICAL PHASE MODULATION APPARATUS
United States Patent 3463572
US Patent References:
Cathode ray television receiver
- - 2281637
Light modulating device
- - 2289205
Image reproducing device for visible and invisible radiation images
- - 3001447
Arrangement for amplifying the brightness of an optically formed image
- - 3137762
Multi-purpose photo sensor
- - 3306160
Cathode ray television receiver
- - 2281637
Light modulating device
- - 2289205
Image reproducing device for visible and invisible radiation images
- - 3001447
Arrangement for amplifying the brightness of an optically formed image
- - 3137762
Multi-purpose photo sensor
- - 3306160
Inventors:
Preston Jr., Kendall
Publication Date:
08/26/1969
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Assignee:
PERKIN ELMER CORP
Primary Class:
International Classes:
G02B26/06; G09F9/37; G02B26/00; G02F1/34
US Patent References:
| 3322485 | Electro-optical elements utilizing an organic nematic compound |
Foreign References:
| GB778376A |