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| Number | Title | Issue Date |
| 7761003 | Optical apparatus and manufacturing method of optical apparatus A single lens reflex camera has a finder optical system that observes an image formed on a reticle by an objective lens, and a photometric device that measures light transmitted through the reticle via at least a part of the finder optical system, at a position shif... | 07/20/2010 |
| 7400827 | Camera provided with optical finder According to the present invention, light from a taking lens is reflected by a quick return mirror in a lateral direction of a body unit. Then, after passing through a screen, the light is reflected toward an upper side of the body unit by a second mirror except par... | 07/15/2008 |
| 7359000 | Image pickup apparatus, control method therefor, and computer-readable program for implementing the control method There is provided an image pickup apparatus that is capable of eliminating the influence of errors attributed to differences in characteristics between lens devices attached to the image pickup apparatus such as a camera or errors attributed to differences in charac... | 04/15/2008 |
| 7274400 | Digital camera and composition assist frame selecting method for digital camera A digital camera has a plurality of shooting modes such as a day scenic shooting mode, a night scenic shooting mode and a person shooting mode and displays a composition assist frame selected from a plurality of composition assist frames on a liquid crystal monitor ... | 09/25/2007 |
| 7233446 | Transformable, applicable material and methods for using same for optical effects Optical elements and methods of forming optical elements are described. In one example, a method applies a photosensitive ink to a substrate and exposes the ink to create an optical element, such as an optical lens or holographic recording medium. ... | 06/19/2007 |
| 7212294 | Method for determination of the level of two or more measurement points, and an arrangement for this purpose A method and arrangement for determining the level of at least two measurement points with a light beam direct along a first direction and being deflected through 90° with respect to the first direction to a second direction, the second direction being rotated thro... | 05/01/2007 |
| 7120461 | Camera phone and photographing method for a camera phone A camera phone and photographing method for a camera phone is provided which allows a camera phone to easily and precisely set a composition of a subject to be photographed. If a standard, preset composition guideline is not appropriate for a particular subject to b... | 10/10/2006 |
| 7106963 | Electronic equipment Electronic equipment of which the assembling process is easy is disclosed. The electronic equipment comprises a first member with electric conductivity, a second member with electric conductivity and a third member with elasticity. The first member is fixed to an in... | 09/12/2006 |
| 7084920 | Image pickup apparatus In an image pickup apparatus comprising an optical finder for optically displaying an object image, an image pickup device for receiving the object image and converting it into an image signal for photographing, an electronic finder for displaying the object image r... | 08/01/2006 |
| 6975810 | Focal point detection device and camera A camera comprises a spatial modulation optical filter that is disposed in a viewfinder optical system for subject observation at or near a position optically equivalent to an estimated image forming plane of a photographic optical system and modulates a subject lig... | 12/13/2005 |
| 6914634 | Digital camera A digital camera having a taking lens, a finder for viewing light transmitted through the taking lens, an image sensing element for optoelectrically converting light which passes through the taking lens, a light splitter capable of changing transmittance and dividin... | 07/05/2005 |
| 6591065 | Single-lens reflex camera having a focusing detection sensor capable of calibrating, and a viewfinder A focusing detection sensor is positioned in a viewfinder in a single-lens reflex camera but is nevertheless able to determine a focal point on an image of an object with enhanced accuracy. For that purpose, a single-lens reflex camera includes a camera b... | 07/08/2003 |
| 6587644 | Finder unit A finder unit includes an objective optical system for forming a viewing image, an inverting optical system for making the viewing image formed by the objective optical system an erecting normal image, an eyepiece optical system for viewing the viewing im... | 07/01/2003 |
| 6249650 | Single-lens reflex camera A single-lens reflex camera comprises a quick return mirror which can be positioned at an object observing position (or an inclined position) and a photographing position (or a horizontal position). A photoreceptor element is disposed in such a manner tha... | 06/19/2001 |
| 6233097 | Secondary image formation type view finder including two half mirrors A secondary image formation type view finder comprising an objective optical system, a first mirror for folding an optical axis, a relay lens system and a second mirror for folding the optical axis, wherein an optical axis of the relay lens system is disp... | 05/15/2001 |
| 6160581 | Camera having adaptive object image display facility A camera includes an exposure part arranged to cause a film loaded on the camera to be exposed to light, an image sensor arranged to convert an object image into an electrical signal, a signal processing circuit arranged to carry out predetermined process... | 12/12/2000 |
| 6058273 | Real-image type viewfinder A real-image type viewfinder comprises a viewfinder optical system including a positive objective lens system for obtaining an inverted finder-image, an erecting optical system for converting the inverted finder-image into an erected finder-image, and an ... | 05/02/2000 |
| 5970263 | Photometering lens for SLR camera and adjusting of photometering device In a photometering lens for an SLR camera in which object light transmitted through a finder screen and emitted from a reflecting optical member is received by a light measuring receiver, wherein the photometering lens has a light path for illumination li... | 10/19/1999 |
| 5749001 | Camera photometry device In a case in which the photometry region selected through a photometry region selection part is in the center of the screen, body spot photometry is selected for photometry of the object field, using luminous flux not passing through the screen. In all ot... | 05/05/1998 |
| 5740478 | Camera having autofocus apparatus A camera having an autofocus apparatus for multi-spot focus detection. Particularly, a camera is provided in such an arrangement that selection operation members for selecting an arbitrary area from a plurality of focus detection areas by a manual operati... | 04/14/1998 |
| 5721979 | Camera A camera has a finder optical system and a range measuring optical system which are provided independent of a photographing optical system. The finder optical system includes an objective system having a positive refracting power, an image inverting optic... | 02/24/1998 |
| 5717966 | Camera capable of metering light transmitting through a viewfinder Camera capable of indicating set photographic field by masking an area out of the photographic field nearby an image forming plane within a visual field of a viewfinder or lowering transmittance of the area in accordance with a change of photography forma... | 02/10/1998 |
| 5715480 | Remote control camera using optical signal A camera body has at least one opening formed in a front position thereof for receiving optical information about a subject. A remote control light sensor is provided within the camera body to receive a remote control light signal emitted from an external... | 02/03/1998 |
| 5687408 | Camera and method for displaying picture composition point guides A camera and method are disclosed which provide a photographer with a picture composition guide that may be viewed through the viewfinder. Standard composition points corresponding to golden section points are displayed for the photographer to see. LCD's ... | 11/11/1997 |
| 5669022 | Optical apparatus including a light modulation finder optical system An optical apparatus includes a projection optical system for projecting an object image; a focal detection system for detecting a defocus state of the object image with respect to a photosensitive plane by a light emitted from the projection optical syst... | 09/16/1997 |
| 5655161 | Photometric device for a camera The present invention provides a photometric device for a camera in which the relative positions of the photometric sensor and a secondary image formed on the sensor can be adjusted with high resolution and which also facilitates adjustment in a plurality... | 08/05/1997 |
| 5649243 | Photometric device and method A photometric device that makes improved accuracy of screen photometry possible is disclosed. The photometric device includes a screen component that transmits a luminous flux from a subject field, a light emitting indicating device that is placed in the ... | 07/15/1997 |
| 5585885 | Camera photometer An optical low-pass filter is built with circular phase components consisting of randomly distributed convex and concave surfaces. The area of the phase components is structured to cover 1/2 the entire surface area of the low-pass filter. Moreover, the ph... | 12/17/1996 |
| 5486892 | Camera with visual axis detecting device A camera includes a finder for inspecting an object, a illuminator for illuminating an operator's eye by which the operator looks in at the finder means, a condensing optical system for condensing a reflected light from the operator's eye, a photoelectric... | 01/23/1996 |
| 5278607 | Photometering device in single lens reflex camera A photometering device in a single lens reflex camera having a photometering device mounting portion on a magnifier of a finder optical system, and a photometering element which is mounted to the photometering device mounting portion, including a substrat... | 01/11/1994 |
| 5006879 | Electronic flash lighting device for camera An electronic flash lighting device for a camera comprises a first light measuring device for measuring the brightness of a field to be photographed, prior to flash emission, and a second light measuring device for measuring the brightness of a plurality ... | 04/09/1991 |
| 4974014 | Photographic viewfinder assembly A viewfinder assembly which comprises a viewfinding mirror module of one-piece construction including a pair of major roof mirrors laid at a predetermined acute angle (90°) relative to each other, side walls continued from respective lower edges of the r... | 11/27/1990 |
| 4958185 | Photographing apparatus In a photographing apparatus such as a single lens reflex camera, metering photoelectric conversion elements are provided in the optical path of an imaging optical system or a finder optical system and the line width of the pattern forming the elements is... | 09/18/1990 |
| 4941012 | Finder optical system for cameras A finder optical system for cameras comprises a Porro prism, a mirror assembly, or a compound assembly of a mirror and a prism which includes four reflecting surfaces for erecting an image formed through an imaging optical system and which can take out li... | 07/10/1990 |
| 4905035 | Camera A camera includes producing means for detecting the state of the luminance of the object field and producing a luminance information signal conforming to the detected state of the luminance of the object field, control means for calculating the exposure v... | 02/27/1990 |
| 4870443 | Photometric device A photometric device of the kind obtaining information on the luminance of each of photometric areas defined by dividing a photographing field at least into a middle area and a peripheral area and computing a photometric value on the basis of luminance in... | 09/26/1989 |
| 4739360 | Light metering device for camera A light metering device for single lens reflex camera having photoelectric transducer elements arranged in the optical path of a finder thereof. The photoelectric transducer elements are arranged ahead of a focusing screen as viewed from the direction of ... | 04/19/1988 |
| 4682873 | Photometric device for camera A photometric device disposed in the optical path of a view finder of a camera includes a photometric element which includes a plurality of minute photo-electric conversion elements. Each of the minute photometric elements is formed by a minute transparen... | 07/28/1987 |
| 4615602 | Apparatus for adjusting the position of a light sensing element in a camera An apparatus for adjusting the position of a light sensing element in a single lens reflex camera which carries out a partial light measurement by forming an image on the surface of the light sensing element with a light beam coming from a certain determi... | 10/07/1986 |
| 4509848 | Light measuring device for camera At least one electro-optical light shielding member is disposed close to a reticle of a photographic camera arranged for forming an image of an object to be photographed. The light shielding member is electrically controlled to have the reticle partly lig... | 04/09/1985 |
