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Searching: photography





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Patent # Description
US-4,939,757 Apparatus for diagnosing pulmonary ventilation function
An apparatus for diagnosing a pulmonary ventilation function includes a flow sensor for detecting a breathing cycle of a patient, a gas regulator for supplying a...
US-4,939,534 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-4,937,603 Multiple exposure photographic device for camera
A camera capable of multiple exposure photography. The camera has a lens shutter for performing a programmed exposure operation and a diaphragm-adjusting...
US-4,936,948 Method for producing a light sensitive body for electronic photography use
The present invention relates to a method for producing a light sensitive body for use in electronic photography copiers and printers, wherein the surface of a...
US-4,936,673 Diffusion platelet in combination with a slit lamp
This invention relates to slit lamps of the type incorporated in instruments used to illuminate eyes for ophthalmic examination and/or photography; and, more...
US-4,935,759 System for controlling an illuminating angle of a flashlight
A system for controlling an illuminating angle of a flashlight includes a stepping motor by which a relative position between a panel and a reflector is...
US-4,933,702 Camera with night photography apparatus
A controller recognizes the requirement for taking a scenic picture when a scenic picture-taking button is operated to indicate that a scene to be photographed...
US-4,933,271 Stabilizers for color photography recording materials
Tetrahydrothiopyran compound of the formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, X and n are as defined in claim 1, are...
US-4,932,753 Method of detecting structures
A method of obtaining a stereoscopic view from two satellite or two aerial photographs (18, 19) of the same or overlapping area. The method involves aligning the...
US-4,930,883 Photovisual star diagonal
A photovisual star diagonal is provided for use with telescopes and cameras to simplify astrophotography, including a tiltable, lockable mirror for providing...
US-4,929,977 Flash photography changeover device
In a camera having a lens shutter and a focal-plane shutter accomplishing the operations of programed exposure and aperture control, a flash photography...
US-4,929,539 Silver halide photosensitive materials for color photography
There is disclosed a silver halide photosensitive material for color photography which comprises a phenol type cyan coupler having the formula: ##STR1## ...
US-4,928,016 Magazine for accommodating recording medium for electron microscope
A rack for housing recording media for an electron microscope includes a vertically movable rack for accommodating the recording media and composed of a...
US-4,926,590 Staging
Staging particularly for use in group photography comprises spaced support assemblies each comprising a rearwardly inclined truss member 151 supported by a first...
US-4,924,251 Camera system having photographic camera and electronic flash device
An electronic flash device, detachably attached to a photographic camera, comprising a circuitry for carrying out preparatory operation for a flash photography,...
US-4,924,149 Apparatus for controlling the charging of a main capacitor of a flash unit
A=n apparatus is provided for controlling the charging of a main capacitor of a flash unit. Comparison means detect the timing at which a voltage V across the...
US-4,922,721 Transporter unit with communication media environmental storage modules
A transport apparatus, for hauling data storage media requiring environmental protection to and from a permanent storage site, includes a portable transport...
US-4,921,344 Apparatus and method for enhancing the images of intra-oral photography
An apparatus for a camera utilized in intra-oral photography including a lens housing which mounts to the camera. A lens is positioned within the lens housing,...
US-4,918,538 Electronic photography system with still and motion picture modes
An electronic still/motion picture photography system including an optical-electronic transducer for producing electrical signals responsive to an optical image,...
US-4,918,479 Camera
A camera including operable means changeable from an initial position to a predetermined position and vice versa, drive means for driving the operable means,...
US-D307,286 Photography support bracket
US-4,916,044 Color diffusion transfer element with auxillary neutralizing layer comprising cellulose acetate
A color photographic element for use in color diffusion transfer photography comprised of a lightsensitive dye release and receiving sheet and a cover sheet,...
US-4,914,014 Nucleation of tabular grain emulsions at high pBr
The present invention is directed to a process of precipitating for use in photography a thin tabular grain silver bromide or bromoiodide emulsion within a novel...
US-4,912,028 Intramolecular nucleophilic displacement compound and use in photography
Intramolecular nucleophilic displacement compound or a precursor thereof wherefrom during photographic processing a photographically useful group can be split...
US-4,912,002 Electrophotosensitive layered article provided styryl compounds and bisazo pigment
According to the present invention, by using in combination a styryl compound expressed by general formula [I] or [II] and a bisazo pigment expressed by general...
US-4,910,756 Mammography
The invention relates to a mammography device, having a frame column (3) comprising a slide (2) mounted vertically (Z) slidingly onto bearings, into the...
US-4,908,999 Staging
Staging particularly for use in group photography comprises spaced support assemblies 1, 2. Each support assembly comprises a rearwardly inclined truss member 3,...
US-4,908,651 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-4,907,231 Memory cartridge-connectable electronic device such as electronic still video camera
In a combination of an electronic device and a memory cartridge loaded in the device, a direct check is performed to determine if the device and memory cartridge...
US-4,907,036 Densitometer for photography
A densitometer for photography comprising a disk on which are disposed filters of three colors at predetermined circumferential spacing for measuring the...
US-4,904,578 Light absorbing dye for photography
This invention provides a light absorbing dye for silver halide photographic light-sensitive material which is represented by the following formula [I] or [II]: ...
US-4,903,272 Laser
Applicant has discovered a correlation between photography, the laser mechanism, and SERS. It appears that all three effects or phenomena of photography, laser...
US-4,903,136 Automatic sensitivity controller for electronic still camera
An automatic sensitivity controller for use in an electronic still camera system which performs flash photography. This device is designed to expand the range of...
US-4,896,175 Photography booth and method
A self-photography booth comprises a booth having a first end portion for a person to be photographed and a spaced and aligned opposite second end portion. A...
US-4,887,119 Photographic camera system
A photographic camera system having a camera and an electronic flash device detachably attached to the camera. The electronic flash device includes an ...
US-4,887,109 Viewfinder for a camera with changeable focal length
A camera having a viewfinder and a taking lens changeable in focal length between at least two different focal lengths: a relatively short focal length suitable...
US-4,886,730 Liquid developer for electrostatic photography
A life of a starting liquid developer for electrostatic photography is prolonged by using a supplemental developer that returns an electrically charged state of...
US-4,884,662 Driver interaction service center and method of operating such a center
A driver interaction center, and a method of operating such a center, which includes a driver service dispensation structure, having a plurality of collection...
US-4,884,094 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-4,881,097 Apparatus for controlling automatic focusing in cameras
In an automatic focusing camera in which a focus detector determines the amount of movement of a phototaking lens on the basis of light from an object via a...
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 ...
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