| Patent Number |
Title Of Patent |
Date Issued |
| 4057812 |
Camera shutter having an electronic timing device |
November 8, 1977 |
| A camera shutter that has an electronic timing device and a photo-electric resistor and associated capacitor timing circuit; a charge starting contact is actuatable to commence the timing circuit action, and an electro-magnetically actuated locking device energized by the timing circ |
| 4012752 |
Slit shutter for a camera |
March 15, 1977 |
| This invention is directed to a slit shutter type of photographic camera which provides one cover system which would uncover the normal camera image window and another cover system following the first in operation after a selected and suitable time delay which will cover the window a |
| 4012750 |
Camera shutter with diaphragm and electro-magnetic drive for diaphragm |
March 15, 1977 |
| A camera shutter assembly is provided having segments which may be moved by electro-magnetic means. The diaphragm blades are also provided with electro-magnetic means and there are mechanical intermediate members so that the blades can be moved into an open position. Subsequently, the |
| 3988754 |
Fast operating slit shutter camera |
October 26, 1976 |
| This invention is directed to a photographic camera having a slit shutter which utilizes two cover systems which operate above the plane of the image. These systems are movable perpendicularly to the direction of movement of the film within the camera. Each cover system comprises dis |
