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Searching: photography





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Patent # Description
US-4,310,231 Close-up copy photography apparatus
A system for close-up and copy photography is so designed that a zoom lens whose total barrel length remains unchanged during zooming operation is attached to a...
US-4,310,092 Photography shoulder bag with a pivotal lid
A photography case or bag is provided having an apertured wall on which discrete photograhic items may be releasably mounted by means of readily detachable...
US-4,309,099 Adjustable apex camera system
A camera support system, particularly for close-up and copy photography, features a light-weight larger bipod consisting essentially of a pair of foldable legs,...
US-4,309,094 Multi-angle photography
A plurality of views of an object are simultaneously recorded on a single frame of film together with information identifying the object by a system employing a...
US-4,307,949 Shutter control system having information circuit for introducing informations for flash photographing
In a program shutter of the type in which the aperture opening gradually increases with the lapse of time, informations such as sensitivity of the film and the...
US-4,305,647 Camera flash photography systems
In a flash photography mode for a camera, a preliminary flash is generated for a substantial duration and substantially constant intensity prior to the primary...
US-4,304,477 Three dimensional camera having lenticular screen moving apparatus
A photographic camera for three-dimensional photography has a housing which includes an opening to the interior on a forward side thereof and an aperture...
US-4,301,599 Lens previewer
A device is provided for previewing the field of view of an optical lens, for use in still, motion picture or video photography. The device includes a fixed...
US-4,299,904 Photographic image enhancement method employing photoluminescence
A method of enhancing photographic images of low optical density is disclosed which includes use of a luminescent system, the components of which system include,...
US-4,299,463 Display device for camera
In the disclosed system, a camera of the type which manually presets a diaphragm aperture and particularly for a camera which operates with a computer flash...
US-4,298,262 Aperture device of a lens capable of close proximity flash photography
A lens includes a flash unit including a ring-shaped irradiating light source disposed around the lens barrel symmetrically about the optical axis, a diaphragm...
US-4,298,260 Apparatus for endoscopic photography
An apparatus for endoscopic photography includes a camera and a light source unit which may be coupled to an endoscope to permit a picture to be taken of the...
US-4,298,256 Exposure control device for camera
An automatic exposure control device for a camera capable of permitting flash photography includes an exposure computing portion for natural light photography...
US-4,297,434 Photodeformable article having photoionizable groups on a polymer backbone
The invention is directed to polymeric materials which undergo deformation upon exposure to actinic radiation. These polymeric materials contain at least one...
US-4,297,015 Camera automatic focus apparatus
A camera enables normal photographing where automatic focus adjustment and exposure operation are sequentially effected in response to a shutter release...
US-4,295,722 Camera for daylight and flash photography
A flash unit triggering arrangement that cooperates with a shutter control mechanism or circuit of a camera for permitting the firing of a flash lamp of the...
US-4,295,153 Stereoscopic apparatus and method of using same
A light weight, compact, stereoscopic apparatus in the form of a lens assembly that can be removably attached to a conventional still motion picture or...
US-4,295,050 Instrument for positioning an X-ray camera in dental X-ray photography
An instrument for use in odontologic X-ray photography comprises an elongated plate-like bite block extending at right angles to an X-ray film support and...
US-4,294,915 Silver halide developing agents
There are described novel compounds which include a silver halide developing function, a colorless ligand which is a radical of an iminodiacetic acid and a...
US-4,291,979 Device for measuring light under ambient light and/or flash light and a method therefor
A light measuring device for use in photography and a method therefor is disclosed, in which the quantity of light during a time interval when the flash light is...
US-4,291,967 Positive locking adjustable mount for camera and flash
The invention is an anatomically shaped hand grip assembly having a positive locking adjustment capability relative to a baseplate to which a camera may be...
US-4,291,961 Apparatus for endoscopic photography
An apparatus for endoscopic photography enables a picture to be taken of the interior of a coeliac cavity by coupling a camera and a light source unit with an...
US-4,291,944 Auxiliary cylinder for camera
An auxiliary lens holding cylinder has a main cylinder having a lens holder on one end and a camera mounting fixture on the other end and a sub-cylinder having a...
US-4,289,393 Camera supporting device for low angle or close-up photography
A camera supporting device for low angle or close-up photography in which a supporting member having a stay is attached to the lower end of the elevator of a...
US-4,288,517 Toner for electrostatic photography containing resin coated silica particles
A toner composition for electrostatic photography which comprises (A) toner powder comprising a base resin and a coloring agent and having an average particle...
US-4,286,845 Zoom lens barrel capable of close up photography
A zoom lens barrel which is capable of zoom and close up photography includes a generally cylindrical barrel part, one end of which is mountable to a camera...
US-4,285,588 Apparatus and method for minimizing red-eye in flash photography
Apparatus and method for minimizing a red-dot artifact in the eye of a flash photograph subject employs a subject conditioning pre-flash, predeterminedly...
US-4,285,585 Exposure control compensating means for close-up photography
In an automatic exposure control camera in which exposure is controlled based on an output of an arithmetic unit, the F-value information of the taking lens of...
US-4,284,337 Photographic apparatus
A photographic apparatus of the foldable type in which, when in preparation for photography, a front housing carrying a photographic objective lens system...
US-4,283,766 Automatic camera control for creating special effects in motion picture photography
An automated camera control drives a video or motion picture camera along multiple independent axes of movement to position the camera for recording an image of...
US-4,283,135 Close-up photography aid
A photography accessory for taking close-up photographs; the accessory including a base frame made from several arms pivoted together, a camera being mounted on...
US-4,277,559 Novel magenta-forming color couplers and their use in photography
Photographic color elements are described wherein one of the emulsion layers comprise a 4-phenylazo-2-pyrazolin-5-one coupler, the phenylazo group of which...
US-4,276,579 Photographic flash device
In a photographic exposure device of the type comprising a flash section comprising a flash tube which flashes by the energy charged on a main discharge...
US-4,275,954 Automatic focusing apparatus for camera
An automatic focusing apparatus in a camera is provided in which a winding operation for advancing the film and for charging the shutter does not cause the...
US-4,273,423 Zoom lens barrel assembly for constant magnification
A zoom lens barrel is constructed such that the axial movement and rotation of a single operation ring relative to a stationary barrel causes zooming and...
US-4,270,853 Sound-recording instant-printing film and camera therefor
Instant-printing film further comprises a magnetic sound-recording band on one end part thereof, and is installed in an instant-printing camera which has a...
US-4,268,593 Recording material for color photography
Recording material, for color photography, which contains at least one piperidine compound containing one or more alkyl-substituted phenol groups, as the light...
US-4,268,592 Material for color photography
Light-sensitive recording material for color photography, which contains, in at least one silver halide emulsion layer, at least one magenta coupler of the...
US-4,268,591 Material for color photography
Light-sensitive recording material for color photography, which contains, in at least one silver halide emulsion layer, at least one yellow coupler of the...
US-4,268,157 Toner image transfer method and apparatus for electrostatic photography
A photoconductive drum is formed with a photoconductive dielectric layer for producing an electrostatic image and an endless transfer belt is formed with a...
US-4,268,152 Bulb photography control system for camera
A control system for a camera controls a shutter release operation electromagnetically. A signal generating circuit produces a switching signal for operating a...
US-4,268,147 Focal plane shutter device
A focal plane shutter device of the present invention is provided with leading blade braking means arranged near the terminal end of running down movement of the...
US-4,268,139 Camera for daylight and flash photography
A flash unit triggering arrangement that cooperates with a shutter control mechanism or circuit of a camera for permitting the firing of a flash lamp of the...
US-4,266,861 Eye fundus camera
An improved eye fundus camera for photographing the fundus of a patient's eye is disclosed. Three separate energy sources are provided which include a first...
US-4,264,698 Developer for electrostatic photography and process for preparation thereof
A developer for electrostatic photography consisting essentially of a dry blend of (A) substantially spherical fixing magneto-sensitive particles of a...
US-4,264,175 Focusing device in camera equipped with both standard and telephoto lenses
In a camera equipped with both a standard lens and a telephoto lens which may be arbitrarily selected for exposures by manipulating a first control knob, a...
US-4,264,168 Projection device, especially for photography, motion pictures and television
A housing which is adjustable for height and within which is placed an object to be projected onto a screen also contains a light source and a reflecting system,...
US-4,262,997 Exposure information indicating device
An exposure information indicating device for use in photography includes a detecting section for detecting various known information values such as brightness...
US-4,261,495 Bag construction
A shoulder bag such as a photography case adapted to be suspended from a shoulder of a bearer of the same is suspended by means of a strap engaging opposed pivot...
US-4,259,423 Means and method for color photography printing
A color photography printing process prints, a test print on the basis of color intensities of three color ranges transmitted through a small selected area of a...
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