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| Number | Title | Issue Date |
| 8083421 | AF/zoom shutter with two blades function A miniature camera module comprising: a module frame comprising a surface with a conduit passing through the surface, thereby allowing light to pass through the surface via the conduit; a first blade coupled to the module frame and configured to rotate about a first... | 12/27/2011 |
| 7658558 | Shutter and optical apparatus having the same apparatus A shutter for an optical apparatus has multiple sectors and an operation member. Each of the multiple sectors has a cam opening for engagement and is pivotally provided to open and close a shutter opening, the operation member moves each of said multiple sectors in ... | 02/09/2010 |
| 7549810 | Light amount adjusting apparatus and image pickup apparatus A light amount adjusting apparatus for an image pickup which is capable of reducing the force with which a plate member and a blade member are held in close contact with each other and driving the blade member smoothly even in a high-humidity condition. The apparatu... | 06/23/2009 |
| 7441966 | Shutter and optical apparatus having the same A shutter for an optical apparatus has multiple sectors and an operation member. Each of the multiple sectors has a cam opening for engagement and is pivotally provided to open and close a shutter opening, the operation member moves each of said multiple sectors in ... | 10/28/2008 |
| 7422381 | Shutter apparatus and optical apparatus having the same A shutter apparatus includes a shutter substrate having a shutter opening, two shutter blades that are pivotally provided in the shutter substrate and that have cam openings, and an operation member that is engaged with the cam openings and that drives to turn the t... | 09/09/2008 |
| 7374352 | Light amount adjusting apparatus and image pickup apparatus Disclosed is a light amount adjusting apparatus for an image pickup apparatus which is capable of reducing the force with which a plate member and a blade member are held in close contact with each other and driving the blade member smoothly even in a high-humidity ... | 05/20/2008 |
| 7343090 | Lens-fitted photo film unit A lens-fitted photo film unit is preloaded with a roll of photo film whose film speed is ISO3200, and has a mode selection member that is manually operated to select one of a standard photography mode, an indoor photography mode and a night-view photography mode. In... | 03/11/2008 |
| 7338174 | Shutter device and projection type video display Each shading plate comprises a rotating shaft and a driving shaft arranged vertically. First divided shading plate is loosely fitted to and supported by (not adhere to) the rotating shaft and rotates around the shaft. Second divided shading plates are fixed to the r... | 03/04/2008 |
| 7338221 | Sector drive mechanism A sector drive mechanism includes an electromagnetic actuator including a rotor having four polarities, a C-shaped stator, and a current control portion that controls current applied to a first coil and a second coil, the C-shaped stator including a first magnetic p... | 03/04/2008 |
| 7263171 | Beam diaphragm and X-ray imaging apparatus With a view to providing a beam diaphragm having a large maximum value of aperture opening under a limited profile dimension, the beam diaphragm comprises a pair of control rings having coaxial apertures for the passage of X-rays therethrough and being opposed to ea... | 08/28/2007 |
| 7253575 | Industrial optical shutter A highly versatile optical shutter for industrial and scientific applications is disclosed. The has a aperture which defines a light path through the shutter, and a shutter vane or blade that is moved into and out of the light path using a precision, microprocessor ... | 08/07/2007 |
| 7226224 | Miniaturized lens assembly A miniaturized lens assembly includes a front lens portion, a rear lens portion, a large diaphragm plate mounted between the front and rear lens portions, a small diaphragm plate rotatable relative to the large diaphragm plate, a shutter plate rotatable relative to ... | 06/05/2007 |
| 7213984 | Optical density-changing element, optical element and photographic unit To provide an optical density-changing element which has excellent properties that it can be brought into a colored state by applying only a low voltage, that it shows a rapid response speed and becomes completely colorless when restored to a bleached state from the... | 05/08/2007 |
| 7158323 | Apparatus for switching optical low pass filters for use in optical instrument Disclosed is an optical filter switching apparatus used in an optical instrument for converting externally input image information into video image information and outputting the video image information. The apparatus comprises: an optical filter holding section hol... | 01/02/2007 |
| 7053514 | Image apparatus and drive motor A drive motor is proposed, which serves as a drive source for a movement mechanism constituting an iris for an optical path of an imaging system. The drive motor has a shaft serving as a center of rotation, a magnet, two-pole magnetized and rotated around the shaft,... | 05/30/2006 |
| 6818287 | Light shielding blade material for optical apparatus A light shielding blade material for use in an optical apparatus is constructed by a substrate composed of a plastic film having a pair of surfaces opposed to each other. A shield coating capable of blocking an incident light is formed on each surface of the substra... | 11/16/2004 |
| 6767145 | Lens shutter for cameras A lens shutter for cameras includes two base plates in which a blade chamber is provided between them and their apertures are superposed to provide a circular exposure aperture, at least one shutter blade located in the blade chamber to perform the opening and closi... | 07/27/2004 |
| 6705775 | Lens-fitted photo film unit provided with a stop-changing mechanism, and device for changing a stop A first pin to be used for rotatably supporting a shutter blade is disposed near a second pin to be used for rotatably supporting a stop-changing plate. A rotational direction of the shutter blade from a closed position to an open position is set so as to be identic... | 03/16/2004 |
| 6612755 | Shutter device of camera A shutter device includes a shutter blade for opening and closing a shutter opening and a stop plate having a small stop of a shutter opening. While the small stop is disposed on the shutter opening, the shutter blade swings from a primary position respon... | 09/02/2003 |
| 6585429 | Camera shutter unit having a shutter blade to open and close an exposure aperture The camera shutter unit of the present invention is provided with a diaphragm blade arranged to be capable of moving between a stopping-down position wherein an aperture is stopped down, and an evacuating position wherein the aperture is opened. A shutter... | 07/01/2003 |
| 6493513 | Exposure control device for camera preventing shutter release before aperture changeover A shutter device for a camera includes a shutter blade for providing an exposure by opening/shutting a photographic light path, and a shutter drive lever for driving the shutter blade. The shutter device includes a shutter release button. A photometric sw... | 12/10/2002 |
| 6269226 | Shutter device of camera A shutter device includes first and second light blocking members arranged to be movable to vary the amounts of opening, first and second motors arranged to drive respectively the first and second light blocking members, and a control circuit arranged to ... | 07/31/2001 |
| 6222995 | Lens-fitted photo film unit, and method of making photo-print A lens-fitted photo film unit can take indoor- and night-photographs at adequate tone- and color-reproductions, by satisfying the condition: -6ࣘ2log2 (A)+log2 (1/T)-log2 (0.3.multidot.S)ࣘ5 wherein T, A and S represents the ... | 04/24/2001 |
| 6033132 | Iris apparatus An iris apparatus includes a transparent elastic member which is provided on an optical axis including a convex surface, the apex thereof being located on the optical axis; a transparent plate which is opposed to the convex surface of the transparent elas... | 03/07/2000 |
| 5997187 | Shutter/diaphragm apparatus A shutter/diaphragm apparatus includes an intermediate plate between a diaphragm cam plate and a diaphragm rotating plate. A plurality of blades are provided between the diaphragm cam plate and the intermediate plate and between the diaphragm rotating pla... | 12/07/1999 |
| 5970259 | Optical apparatus An optical apparatus according to the present invention includes a cylindrical holding barrel, a lens moving mechanism including a cylindrical cam which is rotatably fitted on an outer surface of the holding barrel in such a manner that a plurality of mov... | 10/19/1999 |
| 5953550 | Shutter device of camera A shutter device includes first and second light blocking members arranged to be movable to vary the amounts of opening. First and second motors are arranged to drive respectively the first and second light blocking members, and a control circuit is arran... | 09/14/1999 |
| 5875363 | Camera shutter A camera shutter is capable of switching between a spring-drive mode and a motor-drive mode through a single electromagnet without performing an exposure operation. A control circuit controls a stepping motor for rotating a driving ring and the electromag... | 02/23/1999 |
| 5809357 | Aperture system An aperture system includes aperture blades defining an aperture opening and an aperture mechanism for moving the aperture blades, both of which are provided in a barrel. The aperture system further includes a motor, for driving the aperture mechanism, su... | 09/15/1998 |
| 5634163 | Lens-fitted photo film unit A lens-fitted photo film unit is pre-loaded with photo film (31). An exposure is taken through an exposure opening (43) upon depression of a shutter button (14) to a full depressed position. A halfway position of the shutter button is less deep than the f... | 05/27/1997 |
| 5293542 | Iris for video camera A video camera in which an iris in an optical system is composed of a plurality of diaphragms, and at least two of the plurality of diaphragms are respectively provided with a light amount limiting filter such that the light amount limiting filters attach... | 03/08/1994 |
| 5202715 | Plate member for use as material of light shielding blades A laminated plate member having a thickness of 60 to 120 μm and used as a material of focal plane shutter blades or iris blades of a camera has an intermediate layer made from a material composed of uni-directionally oriented continuous (long) or short c... | 04/13/1993 |
| 5025278 | Plate for light shielding blade A thin plate composed of a carbon fiber reinforced plastic laminate of plural reinforced resin sheets, in which each sheet has continuous carbon fibers oriented in a predetermined direction and matrix resin enveloping the carbon fibers, the matrix resin h... | 06/18/1991 |
| 4965617 | Plate for light shielding blade A thin plate composed of a carbon fiber reinforced plastic laminate of at least three reinforced resin sheets, in which each of the reinforced resin sheets is composed of continuous carbon fibers oriented in a perdetermined direction and matrix resin enve... | 10/23/1990 |
| 4482231 | Light-intercepting blade for a light control device A planar light-intercepting blade adapted to be moved in the direction of surface thereof at a position across the optical path of an optical device to thereby control the quantity of light passing through the optical path comprises a pair of outer layers... | 11/13/1984 |
| 4372662 | Diaphragm setting device for photographic camera Diaphragm setting device for a photographic camera lens shutter, which comprises an elongate carrier mounted on the outer periphery of the shutter housing and a movable slider operatively connected to the diaphragm adjusting ring of the lens shutter, such... | 02/08/1983 |
| 4360257 | Resetting apparatus for single lens reflex photographic camera In a single lens reflex photographic camera including a shutter release and a diaphragm, a mirror is movable between a first position for view finding and a second position for film exposure. The mirror is placed in the second position and the diaphragm i... | 11/23/1982 |
| 4354752 | Photographic camera A photographic camera having a rear lens carrier with a ground-glass screen frame capable of receiving a separate film cassette insertable thereat, and having a front lens carrier frame provided with a between-the-lens shutter containing electromagnetical... | 10/19/1982 |
| 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 |
| 4306793 | Camera provided with electromagnetic drive source In a camera provided with an electromagnetic drive source when energized producing an electromagnetic force by which the shutter is driven to move, the above-described electromagnetic force of drive source is used only as the power of driving the shutter,... | 12/22/1981 |
