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| Number | Title | Issue Date |
| 7753601 | Mechanical shutter control method and image sensing apparatus A control method for a mechanical shutter in an image sensing apparatus that has the mechanical shutter which includes and a second curtain held in a pre-travel initial position using electric power, that performs image sensing using an image sensor, and that has an... | 07/13/2010 |
| 5614978 | Camera shutter control device and method A camera shutter control device includes a controller for controlling the camera, a shutter device having front and rear curtains, and shutter drives for driving the curtains. A computation device determines the shutter time and a correction device correc... | 03/25/1997 |
| 5541694 | Light shielding blade caulking pin A caulking pin joint for use with a light shielding blade in a shutter or aperture mechanism of a camera. The caulking pin has a disc-shaped head, a circular protrusion depending therefrom, and a hollow-circular segment depending from the circular protrus... | 07/30/1996 |
| 5499070 | Shutter control device A shutter control device comprises an exposing unit for effecting an exposure, a signal generator for generating a release signal, a mirror for reflecting the light of a subject toward a view optical system, a mirror driver for shifting the mirror between... | 03/12/1996 |
| 5493356 | Camera capable of selecting a picture size This invention provides a shutter unit in which a photographing picture size selecting mechanism is disposed by skillfully utilizing a shutter unit without substantially increasing the size of a camera. The shutter unit includes a shutter plate having a s... | 02/20/1996 |
| 5489960 | Focal plane shutter device for a camera A focal plane shutter device is provided in which when a rear shutter diaphragm travels in a first direction to retract from a photographing image plane from a state where the rear shutter diaphragm and a front shutter diaphragm shade the photographing im... | 02/06/1996 |
| 5327183 | Camera having flash A camera having a flash, a focal plane shutter, a mechanism for changing a size of a film frame by changing a size of an aperture of the camera, and a mechanism for setting a flash synchronized shutter speed. The focal plane shutter has a leading-shutter-... | 07/05/1994 |
| 5264894 | Camera A camera having a red-eye phenomenon preventing emission device, the camera comprising, a shutter having a leading curtain and a trailing curtain, a flash unit capable of flashing in a range of time between immediately after a completion of a running of t... | 11/23/1993 |
| 5257056 | Camera A camera having a shutter device including leading and trailing curtains includes a first switch arranged to detect the ready-to-travel state and the travel-completed state of the leading curtain, a second switch arranged to detect the ready-to-travel sta... | 10/26/1993 |
| 5150141 | Electric drive device for camera An electric drive device for a camera, for driving a movable mirror and a lens diaphragm by a motor and also charging a shutter, comprises a shutter drive device for activating a focal plane shutter having curtains running along a predetermined plane for expos... | 09/22/1992 |
| 4629302 | Camera with focal plane shutter apparatus A focal plane shutter apparatus having two single flexible shutter blades for respectively uncovering and then covering an exposure aperture to make an exposure are incorporated into a 35 mm camera. Each shutter blade has a driven end and an opposite free... | 12/16/1986 |
| 4534633 | Delay mechanism for single reflex camera A delay mechanism for a single lens reflex camera including a release member for releasing the holding member of a leading shutter curtain and a speed lowering mechanism for lowering the speed of the operation of the release member, whereby when the relea... | 08/13/1985 |
| 4394081 | Magnetically controlled shutter Disclosed is a magnetically controlled focal plane shutter wherein one electromagnet controls a leading shutter curtain and another electromagnet controls a following shutter curtain by releasing respective checking members as power is supplied thereto. T... | 07/19/1983 |
| 4392728 | Camera with focal-plane shutter having contrast control A camera comprises a focal-plane shutter having a front curtain and a rear curtain. The front curtain comprises a center portion thereof being formed into a low reflection portion and a rear end portion being at least formed into a high reflection portion... | 07/12/1983 |
| 4384779 | Shutter speed change gear supporting mechanism In a speed change gear supporting mechanism, the winding, top curtain speed change and bottom curtain speed change gears are all slidably mounted to a common support cylinder which is in turn rotatably supported about a shaft via axially displaced roller ... | 05/24/1983 |
| 4362374 | Focal plane shutter winding mechanism A shutter winding mechanism utilizes a flexible ribbon to rotate the top curtain drum. The ribbon preferably coupled to a reduced diameter cylindrical portion on the top curtain drum is connected at its other end to a shutter winding plate which is rotata... | 12/07/1982 |
| 4357084 | Exposure control device for cameras In an exposure control device for a camera wherein exposure is controlled in accordance with the scene object light reflected from the surfaces of a leading shutter curtain and a film, the error in exposure control due to the difference in reflecting powe... | 11/02/1982 |
| 4339189 | Film advance restraining device of a camera A film advance device of a camera having a shutter device controlled by the output of an exposure time control device includes a film advance shaft, a cam member operatively associated with the shaft, latch means displaceable between a position in which i... | 07/13/1982 |
| 4335946 | Controlled disengaging device in automatic exposure camera of the lens stop value control type An automatic exposure camera of the lens stop value control type is provided with a controlled disengaging device operated in association with the bottom shutter curtain running operation. The disengaging device releases the lens stop mechanism so that th... | 06/22/1982 |
| 4313660 | Release device for a camera In a camera having a shutter device which is capable of controlling the movement of a forward shutter curtain and/or a rearward shutter curtain by electromagnetic means operatively associated with the depression of a shutter button and which is capable of... | 02/02/1982 |
| 4298264 | Single-pivot type focal-plane shutter drum mechanism A single-pivot type focal-plane shutter mechanism having a reduced size and correspondingly increased angle of rotation of the top and bottom curtain drums. The top and bottom curtain drums are provided with protrusions extending in opposite directions. A... | 11/03/1981 |
| 4268152 | Bulb photography control system for camera A control system for a camera controls a shutter release operation electromagnetically. A signal generating circuit produces a switching signal for operating a switching circuit which supplies current to a control circuit for a camera. The signal generati... | 05/19/1981 |
| 4253755 | Camera shutter A camera focal plane shutter including longitudinally movable leading and trailing curtains is provided along the transverse border of one of the curtains with a transverse shield element projecting into and terminating along a line disposed in the path o... | 03/03/1981 |
| 4205910 | Control device for a camera shutter A control device for the shutter of a camera comprises an opening member for opening a shutter aperture to initiate taking of an exposure, a closing member for closing the aperture to complete the exposure, and opening and closing pawls for respectively r... | 06/03/1980 |
| 4099192 | Photographic camera with an electromagnetic control system A photographic camera having a magnetic actuating device associated with an electronic control device for initiating a release of one or more of the camera mechanisms from the cocked position thereof. In one embodiment of the invention, the magnetic actua... | 07/04/1978 |
| 4096503 | Safety device for the electric shutter of a camera In the electric shutter of a camera having a forward curtain restraining member for restraining a forward shutter curtain in charged condition, a rearward curtain restraining member for restraining a rearward shutter curtain in charged condition with the ... | 06/20/1978 |
| 4044367 | Roller blind shutter for cameras A roller-blind shutter having transverse depressions forming long plateaus in one of a pair of opening and closing shutters which exceed the length of the transverse depressions in the other of the curtains in the region in which they overlap on a spool w... | 08/23/1977 |
| 4034383 | Exposure control device A camera in which an exposure control member is digitally controlled so as to control the exposure amount to the film plane comprising a compensating means provided for compensating the error of the exposure amount due to the response error of the operati... | 07/05/1977 |
| 4024554 | Focal plane for photographic cameras A photographic camera comprising a pair of winding shafts arranged below an exposure aperture, a pair of unwinding shafts arranged above a photographing lens, a front curtain and rear curtain each secured at one end to the winding shaft and at the other e... | 05/17/1977 |
| 3999196 | Photographic camera A photographic camera provided with a focal plane shutter having a plurality of vertically-movable shutter blades, in which at least a part of the leading-shutter blade consisting of a plurality of thin plates is positioned, in order to reduce the height ... | 12/21/1976 |
| 3990089 | Camera shutter multi-mode controller providing in one mode a power-saving interval The controller of this invention is an electro-mechanical arrangement for controlling the operation of a camera shutter of the focal plane type. An electromagnet in the controller serves as a transducer between electrical and mechanical portions. The elec... | 11/02/1976 |
| 3987471 | Shutter for photographic cameras The shutter in front of the image aperture is constructed from two pairs of flaps which fold and unfold and are actuated by levers so that flap edges move as leading and trailing edges of a slit across the aperture. The flaps fold temporarily into the spa... | 10/19/1976 |
| 3984848 | Shutter speed control means for focal plane shutter The start of the leading curtain or the trailing curtain of a focal plane shutter is controlled to obtain an accurate exposure time. A delay means is provided in the mechanism for releasing the leading curtain or in the mechanism for releasing the trailin... | 10/05/1976 |
