"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 7426343 | Holographic optical device, camera finder indication, and camera The present invention relates to a holographic optical element (8), a viewfinder display (5, 6, 7) of a camera (1) using thereof, and a camera (1). The purpose of the present invention is to show various superimposed displays for various ... | 09/16/2008 |
| 6201565 | Method and apparatus for displaying three-dimensional images The method and apparatus of the invention pertains to a simultaneously modulated light beam carrying the information of a three-dimensional image is directed to pixels (image points) defining a first light emitting surface, a component of the light beam i... | 03/13/2001 |
| 6122080 | Finder equipped with an indicator The invention relates to a space-saving yet high-quality real image type finder indicator wherein an optical member such as a hologram is used for a device for indicating various information in a finder. In a finder optical system has an objective system,... | 09/19/2000 |
| 6104878 | Failure detection apparatus for storing and displaying the nature of the failure and the time of its occurrence A failure detection and storage device provided with a failure factor detection unit for detecting generation of a failure factor when the failure factor being capable of causing a failure of a camera is generated, a date-and-time information output unit ... | 08/15/2000 |
| 5978607 | Camera with scanned display in viewfinder A photographic, digital or video camera (10) includes a housing (12); optionally at least one sensor (18, 20, 25, 30, 36, 39, 40, 50) supported by the housing for detecting a condition of the camera or of a scene to be captured by the camera, or both, and... | 11/02/1999 |
| 5666576 | Bright frame view-finder of natural lighting type additionally provided with light source for secondary diffusing surfaces Here is disclosed a bright frame view-finder of natural lighting type additionally provided with a light source for secondary diffusing surfaces comprising a secondary light generator plate and an additional lighting means so that the secondary light gene... | 09/09/1997 |
| 5053803 | Information display apparatus for camera A camera body includes a movable main mirror for reflecting a light beam emerging from an objective lens, an optical element arranged along a reflection optical path of the movable main mirror and near a predetermined imaging plane of the objective lens, ... | 10/01/1991 |
| 4576458 | Camera finder employing holographic view field frames A camera finder capable of indicating a view field frame for determining the range of photographing and a target mark for showing a desired focus adjusting portion. Interposed between an objective lens and an eye lens in this finder are holograms having r... | 03/18/1986 |
| 4374612 | Mark indicating device for optical apparatus An optical apparatus includes a transparent body arranged in an optical path of the optical apparatus and incorporating a relief hologram completely embedded therein and recording information of the mark, and an illuminator arranged outside the optical pa... | 02/22/1983 |
| 4294529 | Camera In the camera disclosed, a volume type diffraction device having an indicium recorded therein to be reproduced later, is sealed between transparent optical members and arranged in the finder optical path so that when illuminated by a light source at an ob... | 10/13/1981 |
| 4265522 | Camera having a holographic indicator A camera having a holographic indicator in which a reconstructed image of hologram and an image of an object formed by an image forming optical system are formed on the same plane, so that the reconstructed image and the object's image can be observed at ... | 05/05/1981 |
| 4255032 | Camera with a holographic indicator A camera having a holographic indicator in which a focused image hologram is held on an image plane of the view finder of the camera and a light source is arranged to illuminate the hologram in such a direction that the light transmitted through the holog... | 03/10/1981 |
| 4200380 | Camera provided with means for giving information about photographing A camera according to this invention includes a diffracting means disposed in the optical path of the object image forming light for a finder. The diffracting means is illuminated by a light source also provided within the body of the camera so as to exit... | 04/29/1980 |
| 4165930 | Camera having a holographic indicator A camera having a holographic indicator in which a reconstructed image of hologram and an image of an object formed by an image forming optical system are formed on the same plane, so that the reconstructed image and the object's image can be observed at ... | 08/28/1979 |