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Searching: photography





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Patent # Description
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...
US-4,779,117 Exposure control device for a camera
An exposure control device for a camera having light measuring elements capable of outputting an average light measurement corresponding to the brightness of the...
US-4,779,115 Exposure control device for a camera
An exposure control device for flash photography having a first program mode wherein an exposure time is fixed at the flash synchronizable shutter speed and a...
US-4,772,903 Dual lens camera
In a dual lens camera having a relatively long focal length lens and a relatively short focal length lens selectively used for telephoto and wide angle...
US-4,772,543 Silver halide photosensitive materials for color photography
A silver halide photosensitive material for color photography which comprises a phenol type cyan coupler having the formula: ##STR1## wherein R.sup.3 is a...
US-4,771,309 Strobe control circuit for flash photography
A strobo control circuit for a program shutter which opens or closes sectors by means of a stepping motor, wherein a data ROM (read-only memory) is accessed in...
US-4,771,305 Method and apparatus for commercial photography
A mobile photographic portrait studio apparatus, in a preferred ebodiment thereof, comprises a truck-drawn detachable studio trailer having functional studio...
US-4,771,301 Apparatus for flash photography
An apparatus for flash photography being of the type in which for one shot a number of different flash tubes are time-serially fired and the amount of flash...
US-4,770,511 Zoom lens capable of accomplishing macro-photography
A zoom lens has, in succession from the object side, a first lens group of positive refractive power, a second lens group of negative refractive power, a third...
US-4,769,663 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-4,768,960 Educational apparatus in the shape of a human doll utilized in teaching kids the dangers of drug abuse
An apparatus in the shape of a transparent human doll having an opening at its top and an open-end box as its base. Several transparent slides, one with a...
US-4,764,782 Camera diffuser for taking composite photographs
Accessories for standard cameras are disclosed which permit the use of a standard camera to produce composite photographs. Two embodiments of the accessory are...
US-4,763,204 Solid state image pick-up device having a shutter which is capable of still and motion picture photography
An image pick-up device which uses a charge transfer type solid state image pick-up device, and further is provided with a shutter so as to form a high quality...
US-4,763,067 Oscilloscope having a displayed trigger indicator
An oscilloscope having a displayed trigger indicator is provided in which triggering level, slope, and source information on displayed directly on the viewing...
US-4,761,666 Camera capable of flash photography
In a camera having a focal plane shutter, a magnet restrains the rearward shutter curtain in response to the supply of power to the magnet. A control device...
US-4,760,844 Cannulated screw dye injector
A dye injector apparatus is operatively disposed between a syringe containing an opaque dye suitable for x-ray photography and a cannulated screw or an...
US-4,758,851 Method for the determination and indication of the supply of film in aerial photography cameras
A method is provided for determining and indicating a supply of film remaining in an aerial photography camera, which results in greater measuring precision and...
US-4,758,498 Processing composition for use in color diffusion transfer photography containing a dye image stabilizer
A processing composition for use in color diffusion transfer photograph is disclosed, comprising a compound represented formula (I): ##STR1## wherein...
US-4,755,912 Method of photography
A scanning light source system for projecting onto each area of a complete painting or other planar subject a beam of light and for moving said beam vertically...
US-4,755,885 Eliminating undesirable noise recordation in image sensing/sound recording device
An image sensing device includes a voltage converting device for supplying power for driving a peripheral equipment component such as a flash unit used with the...
US-4,755,845 Flash photography system
A flash photography system for a photographic camera and a flash device adapted to be connected thereto with the camera providing an aperture value output for...
US-4,755,838 Close-up camera apparatus
Apparatus for converting a camera for close-up photography, includes a flash hood attachment for the flash unit of the camera for reflectively spreading a beam...
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