Famous Patents
In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6763188 | Camera photometer Light beams, reflected on an outer surface around a lens barrel which may be incident to a light receptor, are intercepted at a maximum by a camera photometer embodying a light shield mask having a wide range light shield formed to intercept light over a wider range... | 07/13/2004 |
| 6574439 | Photometric apparatus for camera A photometric apparatus which satisfies the demands for reductions in the size, thickness and cost and which is highly optioned despite a simple arrangement. A photometric optical system provided separately from a photographic optical system (1) has at le... | 06/03/2003 |
| 6480682 | Photometric device comprising a photo sensor mounted on a circuit board A photometric device is constituted of a photometric window, a circuit board behind the photometric window, a photo sensor mounted on the circuit board with its photoreceptive surface oriented toward the photometric window, and a mask member placed betwee... | 11/12/2002 |
| 6389234 | Camera incorporating a focal-plane shutter There is described a camera incorporating a focal-plane shutter. The camera includes a lens, an image window having an aperture to bound a light coming through the lens in a plain perpendicular to an optical axis of the lens, a focal-plane shutter and a p... | 05/14/2002 |
| 6072959 | Photometric apparatus for camera A photometric apparatus which satisfies the demands for reductions in the size, thickness and cost and which is highly optioned despite a simple arrangement. A photometric optical system provided separately from a photographic optical system (1) has at le... | 06/06/2000 |
| 5805941 | Camera having focus detecting optical system A camera having a focus detecting optical system includes a quick-return mirror having the function of splitting the optical path of a light beam coming from a photographic lens into two so that one is reflected and the other is transmitted, a submirror a... | 09/08/1998 |
| 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 |
| 5713053 | TTL exposure control apparatus in an interchangeable lens camera A TTL exposure control apparatus having a camera body to which different interchangeable lenses can be detachably attached is disclosed. At least one of the interchangeable lenses is an interchangeable wide-angle lens having a distortion. The wide-angle l... | 01/27/1998 |
| 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 |
| 5587765 | Camera capable of performing divisional photometry The camera capable of performing divisional photometry according to the present invention includes a photometric sensor which is made up from a plurality of photoelectric conversion sub-elements arranged in close proximity to one another over a predetermi... | 12/24/1996 |
| 5434640 | Exposure calculation device for camera The exposure calculation device for camera comprises a first photometric means which performs photometry on the photographic field divided into a plurality of regions and a second photometric means for which by comparison with the first photometric means ... | 07/18/1995 |
| 5305048 | A photo taking apparatus capable of making a photograph with flash by a flash device A flash modulation control apparatus in a camera having a photo-taking lens and a flash device mounted thereon comprises a photographing mode setting device for setting a photographing mode in which optimal exposure is obtained in conformity with an objec... | 04/19/1994 |
| 5172157 | Automatic light adjustment device for cameras An automatic light adjustment device for cameras includes: a flashing device capable of effecting a preliminary and a main flashing; a photometer device, which performs divisional photometry on a field divided into a plurality of divisional areas at the t... | 12/15/1992 |
| 5136326 | Photometry device for camera A photometry device having a block body, constructed as a single body, on which all of the elements of a photometry system are mounted. The photometry system includes a condenser lens, a stop plate having a stop and a photosensor. An output characteristic... | 08/04/1992 |
| 5114225 | Apparatus for varying acceptance angle of camera A camera having a variable focal length lens, a strobe unit and a light receiver which receives light reflected from an object to be photographed is disclosed. An acceptance angle varying apparatus includes an acceptance angle varying device for varying t... | 05/19/1992 |
| 5113215 | Image position detecting device An image position detecting device for detecting relative positions of images of an object on a pair of image sensors. A pair of image data groups are derived from the pair of image sensors. The image position detecting device includes window-size designa... | 05/12/1992 |
| 4884100 | Density measuring device for originals in an enlarging/reducing projector A density measuring device for originals in an enlarging/reducing projector, which is installed in a electrophotographic copying machine or in an image sensor to measure original densities for enlarged/reduced printing under automatic exposure control. Th... | 11/28/1989 |
| 4748476 | Automatic scanner lens selector for use with photographic printer An automatic lens selector has a lens deck into which one of a plurality of lens plates each carrying a printing lens of different magnification is inserted, and a scanner body provided with a built-in receptor and a lens holder carrying a plurality of sc... | 05/31/1988 |
| 4719487 | Camera having tiltable photocell lens assembly A photographic camera having an automatic exposure control circuit including a photocell lens assembly mounted for movement through an angle greater than ninety degrees, as the camera is rotated in either direction about its optical axis between a horizon... | 01/12/1988 |
| 4639111 | Pseudo format camera with exposure control A photographic camera enables pseudo telephoto and pseudo panoramic prints to be produced from exposed film frames by coding the film frame to identify the selected pseudo format. In the camera, a manually operated member is movable to a position correspo... | 01/27/1987 |
| 4632542 | Exposure control system having dual mode photodetector An exposure control system for a photographic camera of the type employing a scanning type shutter, a controllable source of artificial illumination and a photodetector for sensing scene brightness levels both prior to and during film exposure preferably ... | 12/30/1986 |
| 4544256 | Single lens reflex camera with light measuring device In the single lens reflex camera including a photographic system having an objective lens and an image detector, and a viewfinder optically disposed of the photographic system and comprising a focusing screen having a transparent area surrounded by a ligh... | 10/01/1985 |
| 4514076 | Photographic camera A photographic finder camera adapted to use interchangeable photographic lens objectives and having a photoelectric detector system for measuring the light flux passing through the photographic lens objective employed in each case. At least one movably mo... | 04/30/1985 |
| 4483604 | Focus detecting device with shielding A camera focus detecting device in which the first and the second images are respectively formed by a pair of secondary image forming lenses behind an expected focusing plane of a principal image forming lens. The focusing of the principal image forming l... | 11/20/1984 |
| 4475803 | Light measuring device for camera A light measuring device for a camera which can change between light measuring ranges is achieved by dividing a transparent light condensing member into two or more portions of different optical characteristics and electrooptically actuating one or more l... | 10/09/1984 |
| 4391521 | Photometer having asymmetrical aperture and with compensation for direction of incidence A photometer having asymmetrical apertures and with compensation for direction of incidence includes a photodetector, a mask having asymmetrical apertures and arranged before the photodetector and a compensation prism arranged either before or after the m... | 07/05/1983 |
| 4342506 | Exposure trim mechanism for cameras A trim mechanism for an automatic exposure control system used in photographic cameras to regulate the rate at which a pair of scanning shutter blades are accelerated toward an open position so as to vary the effective flash aperture as well as to variabl... | 08/03/1982 |
| 4185903 | Camera having spatially stabilized photocell A system for spatially stabilizing the field of view of a photocell on a camera includes a ring mounted for pendulous movement about its central axis, parallel to the optical axis of the camera objective, a photocell lens mounted on the ring for limited p... | 01/29/1980 |
| 4174159 | Exposure meter for photomicrography Photomicrographic exposure meter for cameras attached to microscopes in which part of the picture-taking beam is reflected by means of a beam-splitter and where the reflected beam part projects an image of the object onto an image plane, measuring field s... | 11/13/1979 |
| 4173400 | Photographic camera apparatus An automatic camera of the type having distinct ambient and flash exposure modes of operation is provided with a scene light detecting apparatus which provides an electrical output signal that is utilized to control exposure under both ambient and flash i... | 11/06/1979 |
| 4166678 | Light shield for photometer-equipped camera The front of a camera lens mount, provided with a photocell window adjacent the objective, can be fitted with a light shield closely surrounding the cone of incident light rays and cutting across the photocell axis. To insure proper illumination of the ph... | 09/04/1979 |
| 4122466 | Zoom lens camera equipped with flash unit A zoom lens camera equipped with a flash unit including a flash unit and zoom lens. The illuminating angle of the flash unit varies with a change in the magnification of the zoom lens so as to effectively direct the flash light of the flash unit to an obj... | 10/24/1978 |
| 3988749 | Device for automatic diaphragm setting in photographic cameras An automatic diaphragm control for camera lenses having independent diaphragm and shutter speed rings in which a reversible motor is positioned to drive the diaphragm ring, and a gear engaging the diaphragm ring drives a potentiometer. A light-sensor is i... | 10/26/1976 |
