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| Number | Title | Issue Date |
| 7899319 | Camera capable of displaying live view A camera capable of displaying a live view is disclosed, which has a movable reflecting mirror movable between a viewing position for reflecting a light beam from a photographing lens to guide the light beam to a finder optical system, and a position retracted from ... | 03/01/2011 |
| 7414664 | Image taking apparatus and lens apparatus An image taking apparatus performs a focusing operation quickly and includes a light splitting unit which splits a light flux from an image-taking lens into a plurality of light fluxes, a view finder optical system observing an object image formed by the light flux ... | 08/19/2008 |
| 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 |
| 7277124 | Image sensing apparatus, information processing apparatus, control method for these apparatuses, image processing apparatus and method, and image processing system A system which allows a user to transmit image data to a print laboratory technician and receive photo prints at a shop suffers cumbersome personal identification when the print laboratory technician reliably hands photo prints. To solve this problem, an electronic ... | 10/02/2007 |
| 7259923 | Lens barrel A lens barrel, including, a moving frame (2) to hold a lens (8), a direct-advance ring (4) provided on an outer periphery of the moving frame and movable relative to the moving frame in an optical direction, a resilient member (6) provide... | 08/21/2007 |
| 7161628 | Image-pickup apparatus outputting signals for finder display and signals for focal-point detection, control method applied to the apparatus, and computer readable medium having encoded thereon a program implementing a method using the apparatus An image-pickup apparatus, a control method applied to the image-pickup apparatus, and a control program for operating a computer used for the image-pickup apparatus are provided. The image-pickup apparatus comprises an image-pickup element for picking up the images... | 01/09/2007 |
| 7006140 | Digital still camera with shifting focus lens A digital still camera of the present invention has a photographing optical system, a body, an image sensor, a half mirror, a phase difference focus detector. The image sensor is arranged in the body and backward of the photographing optical system along an optical ... | 02/28/2006 |
| 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 |
| 6169856 | Camera A single lens reflex camera provided with a focus detection unit 58 arranged so as to have a photoreceptive surface disposed adjacent to an aperture 53a provided in the bottom wall 53 of a mirror box, and further provided with a cover 60 for effectively c... | 01/02/2001 |
| 5953546 | Camera A camera divides a light beam having passed through a taking lens unit into two light beams. One light beam forms an image on a silver salt film. Another light beam forms an image on a CCD. A light path for said another light beam is provided with an aper... | 09/14/1999 |
| 5940635 | Focus detection optical system in a single lens reflex camera Disclosed is a focus detection optical system of a single lens reflex camera wherein a quick return mirror directs a part of luminous flux incident through a photographic lens system towards an optical sensor unit to detect the focusing state of the photo... | 08/17/1999 |
| 5907727 | Device for exposure metering A device for exposure metering in photographic cameras including a reflector located in the imaging beam path. The surface of the reflector is provided with a reflecting structure whose size corresponds at least approximately to that of the image recordin... | 05/25/1999 |
| 5839001 | Focus detecting apparatus An apparatus which has a finder optical unit for observing therethrough an image formed by an objective lens, an optical unit for forming a pair of distributions of light quantity on the basis of light beams transmitted through the different pupils of the... | 11/17/1998 |
| 5838840 | Inspection device using a field mode video camera with interpolation to replace missing pixels A video inspection device using a field mode CCD camera. In order to inspect the printing on a moving web, a field mode CCD camera is provided with a zoom lens and strobe light. The image obtained is processed so that only alternate pixels of the image ar... | 11/17/1998 |
| 5784656 | Camera with light dividing devices A camera that has the ability to direct the object light simultaneously to the imaging position and a first light receiving device and a second light receiving device that are arranged in places other than the imaging position (for example, an optical foc... | 07/21/1998 |
| 5737648 | Photometric device for a camera A photometric device, to measure light incident from a photographic lens of a camera, which can perform accurate photometry, independently of the direction of polarization of the incident light. The photometric device is provided with a first semi-transpa... | 04/07/1998 |
| 5668919 | Camera A camera includes a photometric optical system and a range measuring optical system which are provided independently of a photographing optical system so that the optical path of the photometric optical system and that of a projection or reception system ... | 09/16/1997 |
| 5628038 | Camera having a sub-mirror unit A camera with a mirror device comprises a first mirror, i.e., a main mirror, device for reflecting object light, and a second mirror, i.e., a sub-mirror, device for reflecting light transmitted through the first mirror device to another device, i.e., a fo... | 05/06/1997 |
| 5083149 | Camera A camera having a photographing optical system including photographing lenses capable of carrying out a zooming, a viewfinder optical system composed of an optical system different from those of the photographing lenses, a photometric system having an opt... | 01/21/1992 |
| 4843420 | Mirror device for a camera A mirror device for a camera having a first mirror arrangement pivotable from a finder-viewing position to an exposure or retracted position, and a second mirror arrangement pivotable with its fulcrum formed on the first mirror arrangement. While the firs... | 06/27/1989 |
| 4777508 | Exposure control device for camera of variable focal length type There is disclosed an exposure control device for a camera having a photographic lens of variable focal length type which includes exposure control means for controlling an exposure on the basis of a light coming from an object to be photographed and pass... | 10/11/1988 |
| 4730200 | Mirror-driving mechanism for single-lens reflex cameras Disclosed is a mirror-driving mechanism for a single-lens reflex camera, comprising a first mirror holding frame pivotally mounted on a mirror box, a second mirror holding frame pivotally mounted on the first mirror holding frame, a second mirror urging s... | 03/08/1988 |
| 4673278 | Mirror device for a camera A mirror device for a camera having a first mirror arrangement pivotable from a finder-viewing position to an exposure or retracted position, and a second mirror arrangement pivotable with its fulcrum formed on the first mirror arrangement. While the firs... | 06/16/1987 |
| 4615603 | Single lens reflex camera In the single lens reflex camera whose movable mirror for reflecting light from the photographic lens to the finder is made partly half-mirrored to give a portion of the light to the photosensitive element, the finder is provided with a focusing screen of... | 10/07/1986 |
| 4509849 | Light measurement device for single lens reflex camera In the disclosed apparatus, a photographic optical system passes light to an image plane on which a film or other sensor is to be arranged, and an optical member between the optical system and the image plane allows light from the optical system to pass w... | 04/09/1985 |
| 4498754 | Single lens reflex camera A quick mirror return mechanism includes a return spring and a quick return setting member, which are formed, in the region where they abut against each other, so that as the return spring is stressed, the resilient force of the return spring is directed ... | 02/12/1985 |
| 4498750 | Light shielding device in single lens reflex camera A reflex mirror for reflecting light from an objective lens to a penta prism is provided with a light-permeable portion for conducting part of the light to behind the reflex mirror and with a shutter plate for shielding this light-permeable portion. When ... | 02/12/1985 |
| 4492453 | Single lens reflex camera with mirror operating mechanism A single lens reflex camera having: a first mirror including a portion for allowing passage of light therethrough; a second mirror for receiving the light passing through the first mirror and coupled to the first mirror in rotatable relation thereto; a drive m... | 01/08/1985 |
| 4470685 | Intermediate adapter Disclosed is an intermediate adapter to be used between the camera body and the photographing lens during close-up photography. A light beam splitter in the adapter housing projects part of the light from the lens to a sensor to produce an electric signal... | 09/11/1984 |
| 4456352 | Light receiving apparatus for use in single-lens reflex camera A light receiving apparatus for use in single-lens reflex camera is disclosed. A beam splitter is disposed between the swing-up mirror of the camera and the film plane to divide the light transmitted through the taking lens into a plural number of beams. ... | 06/26/1984 |
| 4443081 | Metering device of a single lens reflex camera A plate-like optical element is disposed at the bottom of the dark chamber of a single lens reflex camera. This plate-like optical element receives the light from a mirror obliquely disposed on the optical axis of a picture-taking lens, or a shutter curta... | 04/17/1984 |
| 4439029 | Camera with information transmitting elements A camera has a camera body with a lens receiving mount, an interchangeable lens having a mount removably engageable with the camera body mount, and a plurality of information transmitting elements. The plurality of information transmitting elements compri... | 03/27/1984 |
| 4437746 | Photo metering device for single lens reflex camera In the disclosed device, light radiated from an object image formed on the focal plane by an objective lens is directed to a photo-cell using a condenser lens. The condenser lens has reflection areas formed in portions of the surfaces thereof. According t... | 03/20/1984 |
| 4437741 | Light measuring device for a single lens reflex camera A light measuring device for a single lens reflex camera provided with an auxiliary mirror for light measurement behind the movable mirror is disclosed. The reflection surface of the auxiliary mirror of said light measuring device is divided into a plural... | 03/20/1984 |
| 4431285 | Movable mirror arrangement for use in single lens reflex camera A movable mirror arrangement for use in a single lens reflex camera, including a main mirror and an auxiliary mirror. The arrangement includes a pivotal shaft about which the auxiliary mirror is pivoted towards the main mirror at the time of photographing... | 02/14/1984 |
| 4331402 | Single-lens reflex camera A single-lens reflex camera comprises a movable mirror, a detection mirror, and a mechanism for driving both mirrors. The movable mirror has a light transmitting section mounted on a support plate to swing between a first position where the movable mirror... | 05/25/1982 |
| 4320945 | Apparatus for driving sub-mirror in single lens reflex camera A single lens reflex camera comprising a main mirror and a sub-mirror is improved in respect of the mechanism for driving the sub-mirror. The improved sub-mirror driving mechanism is simple in structure and easy to make.... | 03/23/1982 |
| 4311376 | Mirror operating mechanism for single-lens reflex camera A mirror operating mechanism for use with a single-lens reflex camera including a first mirror holding frame supporting a half-silvered mirror, a second mirror holding frame supporting a totally reflecting mirror and a second mirror operating lever. The f... | 01/19/1982 |
| 4293209 | Mirror operating mechanism in single lens reflex camera A mirror operating mechanism in a single lens reflex camera having a first reflecting mirror which is provided to swing from the view finder observation position to the photographing retraction position. A second reflecting mirror introduces light passed ... | 10/06/1981 |
| 4181412 | Optical exposure measuring system for photographic cameras An optical system for the metering of illumination in photographic cameras, in particular mirror-reflex cameras, which makes use of a photodetector with a light-sensitive surface small in comparison to the image area to be metered and which is mounted in ... | 01/01/1980 |
