United States Patent 2956487
Inventors:
Giaimo Jr., Edward C.
Publication Date:
10/18/1960
Other Classes:
118/665, 427/10, 118/690, 356/256, 430/30, 427/8, 430/122.100, 101/DIG.037
International Classes:
G03G15/02; G03G15/043; G03G15/06; G03G15/08; G03G15/22; G03G15/00
US Patent References:
| 2749799 | Photographic exposure timing device | | | |
| 2764060 | Photographic printing exposure control | | | |
| 2794366 | Automatic exposure control system for photographic printer | | | |
| 2808328 | Method and apparatus for xerographic reproduction | | | |
| 2811465 | Electrostatic printing | | | |
| 2859673 | Electrophotographic printer | | | |