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Searching: photography





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Patent # Description
US-4,878,757 Tube for a microscope
A microscope tube contains prisms mounted on a prism carriage switchable between a position for visual observation of a specimen and a position for photometry or...
US-4,876,565 Apparatus and method of underwater optical recording
Underwater photography apparatus of the type disclosed in U.S. Pat. No. 4,707,094 is improved to overcome problems from backgrounds or other "non-clear water"...
US-4,876,180 Method of and apparatus for processing silver halide-containing photosensitive material for color photography
A method of processing a silver halide-containing photosenstitive material for color photography includes the silver-removing step in which silver which is...
US-4,875,066 Photography shade and vignetter
A photographic shade and adjustable vignetter assembly are provided for selective vignetting effects. The assembly includes a shade which is attachable to a...
US-4,873,166 Liquid developer for electrophotography
Disclosed is a process for producing a liquid developer for electrostatic photography which comprises a highly insulating hydrocarbon medium and resin particles...
US-4,872,031 Device for side-lighting a subject placed in front of background as well as for lighting the background itself,...
A device for side-lighting a subject placed in front of a background as well as for lighting the background itself, for example when taking pictures of the...
US-4,870,438 Flash photography system
A flash photographing system includes a camera body, a flash controller connected to the camera body and three flash devices: the first flash device is directly...
US-4,868,667 Exposure controlling apparatus for electronic still camera
An exposure controlling apparatus is provided for an electronic still camera using an imaging device such as a CCD, and controls exposure with high accuracy even...
US-4,864,338 Camera having partially retractable picture taking optical system with dust cover
A camera having a picture taking optical system that includes a main lens system and a sub lens system and that performs in wide-angle and telephoto modes, has a...
US-4,861,703 Cyclic dichalcogenide fog inhibiting agents for silver halide photography
Radiation-sensitive silver halide photographic elements are disclosed which are protected against fog by cyclic dichalcogenides. A new cyclic oxaspiro ...
US-4,860,330 Method and apparatus for marking a film with information in X-ray photography
Method and apparatus for marking a film with information, e.g. patient data and other possible information in X-ray photography, such as panoramic tomography....
US-4,860,108 Image sensing device for an electronic still camera
An electronic still camera is designed to be operable for flash photography in collaboration with an electronic flash unit. This camera has an image pickup...
US-4,857,441 Method for processing silver halide-containing photosensitive material for color photography
A method of processing a silver halide-containing photosensitive material for color photography includes the silver-removing step in which silver which is formed...
US-4,855,940 Method of and system for computer graphic photography
A method of and system for defining and photographing computer graphic images involves using photographic exposure adaptor (PXA) circuitry, providing an...
US-4,855,780 Photometric device for pseudo format camera
A photometric device for a pseudo format camera capable of performing trimming photography includes, a trimming data setting unit which sets trimming data. A...
US-4,854,324 Processor-controlled angiographic injector device
An angiographic injector device for use in x-ray photography for delivering contrast media to a patient at controlled rates and pressures. A processor elicits...
US-4,851,868 Flash device for use in photography
A flash device for use in association with a camera is disclosed. The camera provides focal length data representing a focal length of a lens mounted on the...
US-4,847,693 Composite process video and motion picture photography system and method
The present invention comprises a novel composite process photography system and method. A negative lens or a curved mirror is used to produce a miniature...
US-4,847,663 Appartus and method for reflection free photography
A method and apparatus to quickly and efficiently photograph highly reflective items utilizing a copy camera. Light reflection off, and shadows from the object...
US-4,845,518 Photographically measuring surface contours and dimensions
An apparatus for ascertaining size and topographic measurements of a person by means of photography whereby a measuring raster is to be superimposed on an image...
US-4,842,975 Method of making liquid developer for electrostatic photography
A liquid developer for electrostatic photography is described, comprising at least a resin dispersed in a non-aqueous solvent having an electric resistance of at...
US-4,840,865 Liquid developer for electrostatic photography
A liquid developer for electrostatic photography is disclosed, comprising a non-aqueous solvent having electrical resistivity of not less than 10.sup.9...
US-4,839,687 Flash photography system
A flash photography system which comprises a photographic camera and an electronic flash device; said photographic camera comprising aperture value output means for...
US-4,838,435 Installation for processing photograph envelopes
An installation for processing of photograph envelopes intended to equip a large photography processing laboratory. The installation includes a picking station,...
US-4,837,103 Negative charging liquid developer for electrophotography
This invention provides a negative-charging liquid developer for electrostatic photography excellent in charge stability and dispersion stability which comprises...
US-4,837,102 Liquid developer for electrostatic photography
A liquid developer for electrostatic photography comprising a carrier medium having an electrical resistivity of not less than 10.sup.9 106.cm and a dielectric...
US-4,835,090 Lippmann process of color photography, which produces a photograph with a 2-dimensional image, to result in...
The invention discloses that a photograph with a 3-dimensional image results when the non-angular reflector (of mercury) used in the Lippmann process of color...
US-4,831,402 Camera with changeable focal length
A camera includes a taking lens system changeable in focal length between at least a short focal length suitable for wide-angle photography and a long focal...
US-4,827,332 Still video camera with color balance adjustment circuit responsive to shutter release switch and strobe light...
A still video camera includes a color temperature sensor for detecting the color temperature of ambient light which is used in the color balance adjustment of...
US-4,825,234 Cylindrical all around stereophotograph (photo-statue) and a cylindrical continuous photography with lenticule...
The present invention relates to stereophotography for a cylindrical all around stereophotograph, lenticular cylindrical continuous photography, and associated...
US-4,823,200 Camera for flash photography having an image recording system
An image recording system in which an object image is caused to be formed on a solid state image transducer such as CCD each time a release is actuated, and the...
US-4,823,199 Still video adapter device detachable to a camera body
A still video adapter device is detachably mounted to a back portion of a camera body, in place of a rear cover. The light passing through an objective lens of...
US-4,823,156 Auto-focus travelling lens camera for three-dimensional photography
An improved camera apparatus for three-dimensional photography conventionally includes a stationary frame, a camera body with a film holder for holding...
US-4,819,254 Method of and apparatus for recording and reproducing image information in panoramic x-ray photography
The invention relates to a method of and an apparatus for recording image information in panoramic X-ray photography. The total information contained in a beam...
US-4,816,975 Photography light
A light fixture for providing a cool uniform illumination into a photography field which is adjustable in intensity while maintaining a uniform color...
US-4,816,855 Data transmission system for a camera
From a data transmission device to a camera system including a camera and electronic flash device, operation instruction data such as set or calculated exposure...
US-4,810,881 Panel for X-ray photography and method of manufacture
The present invention pertains to a large-sized X-ray photography panel. This panel comprises several modules placed end to end. Each module comprises a network...
US-4,806,963 Aperture decision system for flash photographing
In a system for setting the aperture in a camera for flash photography, a minimum aperture is computed in response to parameters such as distance to an object,...
US-4,806,000 Zoom lens capable of macro photography
In a zoom lens a zoom operating ring is rotatable to vary the focal length of an optical system between a first focal length and a second focal length. A...
US-4,805,990 Apparatus for viewing a refracted image and photographic method
A hand-held prism and support structure, in which a positioning element is engageable with the head of a viewer for orientation and manipulation to position the...
US-4,804,983 Photography booth and method
A self photography system includes a film camera having an image inlet and an image outlet and also includes a shutter assembly for selectively exposing a length...
US-4,801,958 Dual lens camera
In a dual lens camera having a relatively longer focal length lens and a relatively shorter focal length lens selectively used for telephoto and wide angle...
US-4,800,437 Image photography apparatus having switch in remote control cable for preventing erroneous photography
Disclosed is a construction for an image photography apparatus. The image photography apparatus is used for photographing the image on a TV monitor which is...
US-4,797,702 Flash photographing system
A flash photography system with a camera body and an electronic flash device incorporates first to third terminals in the camera body which are connectable to...
US-4,793,358 Apparatus for measuring local cerebral blood flow
A local cerebral blood flow measuring apparatus includes an expiratory tube arranged along a slice within a photography area of a gantry, and a sensor for...
US-4,792,830 Method for detecting defocused photographic images and photographic printing device
In printing photographic film, photographic images or defocused images due to improper adjustment of focus at the time of photography should be eliminated from...
US-4,792,822 Camera with changeable focal length
An automatic focusing camera which is equipped with a taking lens system changeable in focal length between at least two different focal lengths: a relatively...
US-4,786,972 CRT photography apparatus utilizing rotatable lens
An apparatus for photographing images on a CRT comprises a single lens interposed between the CRT and a film, a lens mount for supporting the lens thereon with...
US-4,785,164 Slide calculator for background lighting
There is disclosed herein a slide calculator for determination of flash-to-background distance for studio photography when using color filters over the flash. By...
US-4,782,428 Collapsible fluorescent light for photography
A collapsible fluorescent tube fixture comprises a frame having a pair of spaced apart tube end supports each carrying a row of sockets, each socket being for...
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