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| Number | Title | Issue Date |
| 8118502 | Control method for light control apparatus, and light control apparatus A method includes a drive step of causing a light control member from a first position to a second position and from the second position to the first position by a drive source, a detection step of detecting the position and state of the light control member, and a ... | 02/21/2012 |
| 7918615 | Aperture-ring-and-shutter device An aperture-ring-and-shutter device includes a base unit, a shutter unit, and a diaphragm unit. The base unit includes a base having an optical opening along an optical axis. The shutter unit includes a shutter sheet, a shutter-driving element disposed on the base, ... | 04/05/2011 |
| 7566180 | Shutter unit for a digital camera A digital camera is provided with an imaging element including a plurality of pixels, a shutter unit capable of intercepting light transmitted from an object to the imaging element, and an optical low pass filter adapted to allow light with predetermined lower spati... | 07/28/2009 |
| 7390132 | Lens barrier apparatus and image pickup apparatus having the same A lens barrier apparatus includes: swingable sectors opening and closing an opening, a swinging member swinging the sectors; and a drive portion driving the swinging member, and one ends of bias members biasing the sectors in a closing direction are provided at the ... | 06/24/2008 |
| 7358982 | Imaging device for a printing press An imaging device (10) for a printing form (12), in particular in a printing unit (82) of a printing press (84), having at least one light source (14) and an imaging optics (18) for projecting the at least one light source (... | 04/15/2008 |
| 7350990 | Shutter device for camera lens assembly In a shutter device for use with a camera lens assembly, the shutter device includes a shutter base, a shutter blade is rotatably mounted on the shutter base, a magnet movably coupled to the shutter base so as to enable rotation of the shutter blade, and a yoke exte... | 04/01/2008 |
| 7338222 | Aperture apparatus An aperture apparatus includes a substrate having a lens opening, a first aperture sector having a first aperture opening, a second aperture sector having a second aperture opening, and a drive pin that is engaged in cam openings respectively formed in the first ape... | 03/04/2008 |
| 7334950 | Quick-change shutter assembly A shutter assembly for an optical system includes a shutter housing that maintains optical alignments with adjoining parts of the optical system and a shutter mechanism that can be removed and replaced within the shutter housing without disturbing the optical alignm... | 02/26/2008 |
| 7330214 | Diaphragm apparatus of lens for CCTV camera A diaphragm apparatus of a lens for a CCTV camera includes a diaphragm blade which opens and closes a stop aperture of the diaphragm apparatus; and an ND filter which is attached to the diaphragm blade, the ND filter having a spectral transmittance so that the trans... | 02/12/2008 |
| 7264162 | Optical adjustment of working range and beam spot size in electro-optical readers Working range and laser beam cross-section are adjusted in an electro-optical reader for reading indicia by applying control voltages to a pair of variable lenses to change the shape of a liquid therein. An aperture stop maintains a constant beam cross-section as an... | 09/04/2007 |
| 7259922 | Light amount-adjusting device and light amount-adjusting device for projector unit A light amount-adjusting device has a base plate with an optical path aperture, first and second blade members, and a driving unit for swinging open and close the blade members. Each blade member has a base-end portion and a front-end portion. The base-end portion i... | 08/21/2007 |
| 7239901 | Tissue spectrometer with improved optical shutter An improved system and method for calibrating spectrophotometric instruments for the effects of light source drift. An instrument includes both received light and reference light paths to a light sensor where light signals are converted to electrical signals to be u... | 07/03/2007 |
| 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 |
| 7201318 | Optical adjustment for increased working range and performance in electro-optical readers Working range is increased in an electro-optical reader or an imager for reading indicia by applying a voltage to a variable lens to change the shape of a liquid therein. ... | 04/10/2007 |
| 7190393 | Camera with improved illuminator An illumination and imaging system is provided with a co-axial illuminator that does not include a beamsplitter. The co-axial illuminator achieves efficiencies substantially in excess of those achieved with a beamsplitter. In one aspect, an optical stop is used to r... | 03/13/2007 |
| 7163344 | Light quantity adjusting apparatus and image-pickup apparatus A light quantity adjusting apparatus which comprises a light-shielding member and a driving unit which drives the opening/closing of the light-shielding member is disclosed. Herein, the light-shielding member is provided with a reinforcement member attached to a par... | 01/16/2007 |
| 7126766 | Optical stop apparatus and exposure apparatus having the same An optical stop unit includes plural light blocking plates, and a cam mechanism for driving the plural light blocking plates to vary an aperture diameter, the cam mechanism including a cam follower and a cam groove, wherein the cam follower and cam groove have mutua... | 10/24/2006 |
| 7104707 | Light quantity adjusting device A device is provided having one or more light quantity controlling members that move into, and out of, an opening portion through which light passes and which is formed by at least a portion of inner diameter sides of a first stator and a second stator, thus control... | 09/12/2006 |
| 7085032 | Light regulator and image pickup system A light regulator includes a substrate having an optical aperture, an even number of blade members (six or more) arranged substantially uniformly around the optical aperture, and spindles provided on the substrate for freely rotatably supporting base end portions of... | 08/01/2006 |
| 7070343 | Sector drive assembly for camera A sector drive assembly for a camera with reduced power consumption has a base plate having an aperture, one or more sectors capable of opening and closing the aperture, an electromagnetic actuator for driving the sectors, a drive force transmitting mechanism for tr... | 07/04/2006 |
| 7071591 | Electromagnetic circuit and servo mechanism for articulated cameras An electromagnetic circuit that may be advantageously employed in an articulated camera, such as a CCTV camera, as a part of a servo mechanism to directly drive the camera and optical lens assembly, for example, in the pan and/or tilt axes. In one embodiment, the co... | 07/04/2006 |
| 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 |
| 7043153 | Image capturing unit and image capturing device An image capturing unit comprises a variable optical element, an optical unit, and a light-flux limiting section. The variable optical element includes a first liquid member, a second liquid member, and a container which contains the first liquid member and the seco... | 05/09/2006 |
| 6941065 | Camera interlocks that ensure proper movement of film The camera of this invention has a film cassette compartment, a film spool (13), a film exposing area, and an interlock that prevents moving exposed film from the film cassette. With the camera, a film cassette (2) is loaded into the film cassette comp... | 09/06/2005 |
| 6939026 | Shutter assembly for a luminaire A shutter section includes a stack of circular plates independently rotatable in a nest formed as a laminar formation of rings. The plates have central openings defining a light path. Four central plates in the stack are shutter guide plates with radial guide slots ... | 09/06/2005 |
| 6933980 | Shutter for digital still camera A rotor is constituted by a two-pole permanent magnet, and enabled to rotate by a predetermined angle in a direction corresponding to the direction electric current supplied to a stator coil. Two shutter blades are moved by a driving pin which is integrally provided... | 08/23/2005 |
| 6919983 | Microelectromechanical device with continuously variable displacement An electrostatic micromechanical device with continuously variable displacement, that includes: a movable member having a first electrode; an opposing surface having a second electrode; a channel separating the movable member from the opposing surface; a liquid situ... | 07/19/2005 |
| 6904235 | Quantity-of-light adjusting device A quantity-of-light adjusting device comprises a first quantity-of-light adjusting blade and a second quantity-of-light adjusting blade which move to adjust quantity of light, and a detecting member which detects that the first quality-of-light adjusting blade is at... | 06/07/2005 |
| 6903777 | Lens shutter for digital still cameras A lens shutter has a diaphragm blade, a shutter blade, and a motor with a rotor reciprocatingly turned between an initial position and a final position by a current applied to a coil, to move the diaphragm blade to stop at an aperture regulating position and the shu... | 06/07/2005 |
| 6853810 | Quantity-of-light adjusting device A quantity-of-light adjusting device comprises a first quantity-of-light adjusting blade and a second quantity-of-light adjusting blade which move to adjust quantity of light, and a detecting member which detects that the first quantity-of-light adjusting blade is a... | 02/08/2005 |
| 6811331 | Lens shutter system A lens shutter system has an inner drive ring which is rotated by a drive motor and an outer drive ring which is rotated by the drive motor. A plurality of shutter blades of the lens shutter system are driven through drive pins of the inner drive ring and drive pins... | 11/02/2004 |
| 6754008 | Imaging lens arrangement designed for low light conditions Disclosed is an improved lens system for low light applications. This improved low light lens system is designed for any suitable low light application, such as the above described biological imaging application. In one embodiment, a finite conjugate lens system is ... | 06/22/2004 |
| 6724428 | Shutter and lens apparatus of a digital camera with a stepless focusing function This invention discloses a shutter and lens apparatus including a lens housing for receiving a multi-function support. The multi-function support includes a lens seat fitting with a lens and two solenoid valves attached on its bottom. A shutter slice and a diaphragm... | 04/20/2004 |
| 6702483 | Optical element An optical device capable of controlling its optical transmittance. The optical device has a first liquid conductive or having a polarity and a second liquid. The first and second liquids are substantially equal in refractive index but differ in transmitt... | 03/09/2004 |
| 6655859 | Shutter device of camera A shutter device loaded in a fixed focus camera for making soft-focus photograph includes a swingable shutter drive member and two shutter blades for opening and closing a shutter opening. When the shutter drive member swings in response to photographing ... | 12/02/2003 |
| 6637954 | Shutter mechanism for cameras A lens shutter comprises shutter blades capable of moving within a shutter chamber of a camera to open and close a lens aperture. A stopper capable of entering into movement loci of the shutter blades selectively takes a position for aperture restriction ... | 10/28/2003 |
| 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 |
| 6473217 | Diaphragm device The space required in the vicinity of a shutter aperture can be reduced to achieve an overall reduction in size of a device by providing a diaphragm mechanism for covering the shutter aperture formed of a plurality of members cooperating with each other t... | 10/29/2002 |
| 6467975 | Quantity-of-light adjusting device and optical apparatus having the same A quantity-of-light adjusting device includes a drive source, a base member having an opening formed therein, and a blade arranged to move by being driven by the drive source and having three openings formed therein side by side in a row in a moving direc... | 10/22/2002 |
| 6456786 | Lens-equipped film unit A lens-equipped film unit comprises a photographing mechanism including a photographic lens, a shutter of a fixed speed, an aperture and a strobe, and an unexposed photographic film has being charged therein. The photographing mechanism satisfying the rel... | 09/24/2002 |
