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Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 7474844 | Camera equipment with movable lenses and method of controlling lens driving operation In a camera, a zoom lens and focus lens are driven to predetermined positions corresponding to a zoom magnification factor to be changed upon a demand for altering the zoom magnification factor. During a zooming operation after the camera has been brought into focus... | 01/06/2009 |
| 7403705 | Camera device having automatic focusing function A camera device is provided which has an optical system including a focus lens, focus control for focusing the optical system on a subject by driving the focus lens, and display control for causing a display to display numerals indicating a first distance of a close... | 07/22/2008 |
| 6941240 | Position measuring device A position measuring system that includes a scale graduation, a scanning unit for scanning the scale graduation. An adjustment device that includes a displacement element for setting a position of the scanning unit with respect to the scale graduation and a gear-dow... | 09/06/2005 |
| 6141499 | Camera capable of displaying the level of visual effect A camera is provided with a photographing device for setting various photographing conditions which determine a state of a subject image to be obtained as a picture, the photography device including an exposure device having a Plurality of selectively set... | 10/31/2000 |
| 5937213 | Camera having scale imprintable capabilities and method for imprinting the scale A camera, such as a video camera or other electrically recordable camera, has scale imprintable capabilities and a method for imprinting a scale onto memory storage media. The camera and method imprints, optically or electrically, a standard scale on memo... | 08/10/1999 |
| 5915233 | Distance measuring apparatus A light-projecting unit projects distance measurement light onto an object to be photographed. A light quantity detecting unit splits, from steady light, the reflected signal light quantity of the distance measurement light from the object on the basis of... | 06/22/1999 |
| 4998126 | Automatic focus adjustment camera An automatic focus adjustment camera in which a photo-taking lens is step-driven to one of a plurality of set positions, depending upon measurement of object distance, employs aperture adjustment or adjustment of object distance to improve resolution of i... | 03/05/1991 |
| 4213681 | Flash camera A combination of a film cartridge loading type camera with an electronic flash of the type wherein a flash lamp converts into a flash of light the energy stored in a main flash capacitor by a DC-DC converter. An optimum exposure may be ensured depending u... | 07/22/1980 |
| 4165166 | Exposure controls for photographic apparatus A photographic apparatus wherein the diaphragm is adjustable by a reciprocable selector which is provided with indicia denoting the scene brightness and the distance from the subject. The shutter is adjustable in dependency on the position of the selector... | 08/21/1979 |
| 4121230 | Exposure control device for photographic camera An exposure control device for a photographic camera including an exposure control plate for changing an aperture size, a mark indicating plate bearing a plurality of weather marks arranged in a line movable in the direction in which the marks are lined, ... | 10/17/1978 |
| 4064520 | Still photographic or movie camera A camera having a forward lens unit including a displaceable lens for providing a variable focal length, a film plane, a base objective having a fixed focal length, and an aperture diaphragm between the displaceable lens and the film plane together with a... | 12/20/1977 |
| 4041508 | Camera installed with electronic flash This invention provides a camera of a simple structure installed with an electronic flash. The shutter speed is fixed and the opening of an iris diaphragm alone is variable. Values of the iris diaphragm opening are indicated by pictures so that an appropr... | 08/09/1977 |
