| Patent Number |
Title Of Patent |
Date Issued |
| 4743933 |
Camera and method for taking flash photographs using an electronic flash |
May 10, 1988 |
| A camera, such as a single lens reflex camera, having a focal plane shutter and an interchangeable lens incorporating a diaphragm system, and provided with a control system for taking photographs using an electronic flash, in which the diaphragm system may be operated as an opening and c |
| 4327846 |
Apparatus for supplying cooling and/or polishing liquids, more especially for use in machines fo |
May 4, 1982 |
| An apparatus for supplying polishing and/or cooling liquid, including a storage container preferably removably supported on a supporting frame, a downwardly facing dished cover for the container pivotally mounted on the frame by a hinge joint assembly and having a bent-over edge whose ou |
| 4240728 |
Photographic camera shutter electromagnetic system for controlling photographic light admitted t |
December 23, 1980 |
| Photographic camera shutter apparatus having at least one drivable control part arranged for reciprocation for controlling the photographic light admitted to the camera, e.g. a diaphragm aperture ring or a shutter blade ring, and an electromagnetic driving system for reciprocating the co |
| 4227792 |
Device for setting exposure time and aperture size on cameras |
October 14, 1980 |
| A device for setting or controlling shutter exposure time and diaphragm working aperture size on cameras having a lens shutter assembly with a reciprocating shutter sector system for opening and closing the lens passage and a diaphragm segment system which is also suitable for closing |
| 4216626 |
Machine for grinding and polishing workpieces |
August 12, 1980 |
| Machine for grinding and polishing workpieces having a spherical surface, such as spectacle glasses, optical lenses, and the like, including a workpiece support disposed for rotation about a generally vertical axis for mounting the workpiece for exposure during the machining operation to |
| 4206992 |
Electromagnetic actuator for shutters for photographic cameras |
June 10, 1980 |
| Electromagnetically operated camera shutter includes a pivotally mounted shutter blade actuating ring having a radially directed arm and driven from closed position to open, an electromagnet having an electromagnetically responsive external anchor and mounted for movement from a remo |
| 4109267 |
Shutter control apparatus for camera devices |
August 22, 1978 |
| The disclosed invention embodies a unique control for cocking and then releasing the shutter blades covering the lens structure of a photographic camera unit. The shutter blade operating mechanism is supported within a housing in which there are provided a pair of slotted regions through |
| 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 |
| 4047210 |
Camera with an electronic timer and including an electro-mechanical delayed action stop for the |
September 6, 1977 |
| A camera is provided having an electronic timer controlled by ambient light. There is provided an electromechanical delayed action stop for the shutter. An electronic delay device is provided for temporarily delaying the action of the shutter of the camera after it has been released. An |
| 4016573 |
Shutter control for photographic camera apparatus |
April 5, 1977 |
| This invention is directed to the control of a camera shutter mechanism by means of a pair of resilient control members. A first control member in the form of a fast acting spring is attached to the camera base member and, with operation initiates at a relatively low speed to provide an |
| 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 |
| 4012751 |
Photographic camera with electromagnetic actuator of the shutter segments |
March 15, 1977 |
| A photographic camera shutter is moved to open and returned to its closed position by electromagnetic actuating means. A special electronic circuit is connected with said actuating means to energize the electromagnetic device with sufficient potential to cause a smooth and rapid opening |
| 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 |
