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Searching: photography





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Patent # Description
US-4,717,861 Electronic flash device
An electronic flash device fires one or a pair of flash tube sequentially for continuous shooting photography with a motor driven photographic camera, for...
US-4,716,672 Ornamental body
An ornamental body comprises a transparent layer and a metal foil laminated with the transparent layer. A visible image such as scenery or the like is formed...
US-D293,512 Combination photography and art mount
US-4,716,427 Camera means for regulating the exposure area of a frame of film
A camera having means for regulating the exposure area of a frame of film has one operating member extending to the outside of the camera body and arranged to...
US-4,714,966 Electronic photography system with still and motion picture modes
An electronic still/motion picture photography system includes an optical-electronic transducer for producing electrical signals responsive to an optical image,...
US-4,714,334 Method of color photography of black and white object
A method is provided for producing a photographic image in color of a continuous tone, e.g., black and white object, such as a black and white photograph or an...
US-4,713,323 Chloride containing tabular grain emulsions and processes for their preparation employing a low methionine...
The present invention is directed to a process of precipitating for use in photography a high aspect ratio tabular grain emulsion employing a dispersing medium...
US-4,713,320 Low methionine gelatino-peptizer tabular grain silver bromide and bromoiodide emulsions and processes for their...
The present invention is directed to a process of precipitating for use in photography a thin, tabular grain silver bromide or bromoiodide emulsion employing a...
US-4,712,902 Device for indicating an object distance for flash photography
In a device for indicating a camera-to-object distance for flash photography, an electronic flash device receives data from a camera, the data being indicative...
US-4,712,900 Apparatus for converting interchangeable camera lens from manual into autofocus
An apparatus (X) for converting a manual focus interchangeable lens having an associated focal length into an autofocus type lens for use with a microprocessor...
US-4,710,012 Flash photography system
In a flash photography system which controls the amount of flash based on an aperture value of a lens set by detecting reflected light from an object which is...
US-4,708,454 Shutter control apparatus for use in variable focal length camera
A shutter control apparatus for use with a variable focal length camera which has a lens shutter, a detecting means for detecting a fully opened state of the...
US-4,707,094 Apparatus and method of submarine optical recording
Submarine photography apparatus includes a camera to record scenes in a selected sector forward thereof; a source of light having a wavelength in the range...
US-4,705,379 Automatic processing machine for photography
An automatic processing machine for photography which performs developing processing of a photographic light-sensitive material automatically while replenishing...
US-4,705,378 Automatic processing machine for photography
An automatic processing machine for photography which performs developing processing of a photographic light-sensitive material automatically while replenishing...
US-4,704,025 Enlarger for use in photography
An enlarger for copying a film is provided having two modes of operation. A first mode of operation permits preliminary adjustment of the focus of the lens...
US-4,701,387 Plural-stage liquid development of electrostatic charge patterns
In plural-stage liquid development of electrostatic charge patterns, as in multicolor electro-photography, image defects occur in areas of the image which are...
US-4,697,906 Electric flash device
An electric flash device for photography is controlled of its light radiation of a flash tube by a transistor, which is connected in series with the flash tube...
US-4,697,897 Watertight camera
A watertight camera is disclosed in which the normal line of a transparent protection plate for an objective of the finder, or the normal line of a protector for...
US-4,695,536 Corneal storage system
A universal tissue preservation system including a storage container and a preservation media for corneal and other tissue storage. The universal corneal...
US-4,693,581 Camera with an automatic focus adjusting apparatus
This invention is directed to a camera provided with an automatic focus adjusting apparatus in which, in addition to the function of carrying out an AE lock...
US-4,690,536 Exposure control device for a camera in flash photography
An exposure control device for a camera in flash photography comprising; first means for measuring light from a central area of an object field; second means for...
US-4,689,696 Hybrid image recording and reproduction system
A system utilizing aspects of both photography and electronic imaging is provided for recording and reproducing an image of scene in color. A camera component of...
US-4,688,921 Alarm device for camera
An alarm device for a camera provided with a stop control device for automatically controlling the stop of an objective lens mounted on the camera, and a...
US-4,687,310 Stereoscopic photography camera
A stereoscopic camera contains a photosensitive medium to be exposed by two juxtaposed images on either side of a symmetry plane, two first symmetrical lenses...
US-4,683,581 Apparatus for X-ray photography of the area of the dentition and of the jaws
An apparatus for panoramic X-ray photography of the area of the dentition and the jaws, comprising a frame part, a bearing part linearly movable in relation to...
US-4,681,415 Multiple image photography system
An apparatus for generating multiple positionally displaced images onto photographic film which includes two mirrors 26, 30 rotatable about axes orthogonal to...
US-4,680,253 Color photographic material
A silver halide color photographic material which comprises a support having coated thereon at least one blue-sensitive silver halide emulsion layer, at least...
US-4,679,924 Corona discharge photography
In corona discharge photography method for photographing a speciman which utilizes a pulse generator, an amplifier, an electrode and a photographic medium, the...
US-4,678,740 Method for making photographic mattes
A photographic matte for use in traveling matte photography is formed by recording a separation of a first screen-color separation of an image on a first film...
US-4,678,298 Method and apparatus for three-dimensional photography
An apparatus for three-dimensional photography provides left and right eye images alternately along the lens axis of a camera for recording alternately on a film...
US-4,676,625 Strobe re-actuating device
The present patent application discloses a reactuating device for a strobe having brightness level detecting apparatus for detecting the brightness level of an...
US-RE32,437 Light measuring device for flash photography
The disclosure is directed to an improved light measuring device which is used in flash photography for measuring a preliminary flash light to obtain camera...
US-4,669,850 Flash photographic exposure control system
An exposure control system for daylight and flash photography. In the flash mode with computer flash light device, the system accommodates for a variation in the...
US-4,668,048 Thermal insulation for heat sensitive lens elements
A long focal length or telephoto lens for photographic purposes has an optical element with a high coefficient of thermal expansion, and special features to...
US-RE32,425 Exposure control system for flash photography
A flash photographic exposure control system for a camera having an electrically timed shutter is provided with an additional electronic or mechanical timing...
US-4,666,271 Process and apparatus for the subtitling and/or the trick photography of cinematographic films using...
The present invention consists of registering, selecting and counting the N images of a cinematographic film (C1) to be subtitled; the composition of the said...
US-4,665,002 Liquid developer for electrostatic photography
Disclosed is a liquid electrophotographic developer comprising a resin prepared by polymerizing selected monomers to provide a developer composition having good...
US-4,664,998 Electrophotographic image forming member having hydrogenated amorphous photoconductive layer including carbon
An image-forming member for electro-photography has a photoconductive layer comprising a hydrogenated amorphous semiconductor composed of silicon and/or...
US-4,662,733 Methods and apparatus for medical photography
This invention provides a method of obtaining increased efficiency in implementing a medical photograph by allowing the practitioner to utilize a slower speed...
US-4,661,438 Quaternized tellurium salt fog inhibiting agents for silver halide photography
Radiation sensitive silver halide photographic elements are disclosed which are protected from fog by quaternized aromatic oxatellurazinium salts. The aromatic...
US-4,658,286 Method and apparatus for correcting distortions in reproducing systems
A method and apparatus for defining a plurality of subcategories of the information content of the input to a reproduction system and generating a set of signals...
US-4,656,115 Emulsion polymerization of methacrylonitrile in the presence of a cationic emulsifier as a vehicle for...
An improved vesicular matrix prepared by the emulsion polymerization of methacrylonitrile, either alone or with a small amount of comonomer, in the presence of a...
US-4,655,576 Light measuring device
A light measuring device for use in flash photography, which measures preliminary flash light and ambient light to obtain camera exposure information under a...
US-4,654,291 Emulsion polymerization of methacrylonitrile as vehicle for vesicular photography and method of making and...
An improved vesicular matrix prepared by employing regulated inner incompatibility to produce enhanced nucleation. The inner incompatibility is produced by...
US-4,650,305 Camera mounting apparatus
Disclosed herein is camera mounting apparatus which is particularly useful for independently adjusting the interocular spacing and convergence distance between...
US-4,648,697 Adapter for tripods
An adaptor for tripods which can be used for close up photography, low angle photography, and for supporting cameras or lights. The adaptor has first and second...
US-4,647,176 External display device for camera
An external display device for displaying photographic information of varied kinds for a camera uses a numerical display part for selectively displaying...
US-4,646,335 Apparatus for X-ray photography of the area of the dentition and of the jaws
An apparatus for panoramic X-ray photography of the area of the dentition and the jaws, comprising a frame part, a bearing part linearly movable in relation to...
US-4,639,107 Acquiring measurements of an object by means of photography
The dimensions of an object are acquired photographically under utilization of a measuring raster, to be imaged in addition to a projected horizontal line...
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