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Searching: photography





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Patent # Description
US-4,327,978 Camera diaphragm control device for flash photography
A camera diaphragm control device which arrests a diaphragm when a TTL light measurement output represents a given relationship with respect to a reference...
US-4,327,960 Lens cap holder
The present invention relates to the field of photography and is directed to an improved lens cap holder to support the lens cap in close proximity to the camera...
US-4,327,174 Method of preparing a carrier material for photography
This invention relates to a carrier material for photographic purposes which is formed of paper coated with a synthetic resin. The paper contains a water soluble...
US-4,325,981 Method of preventing color accurate reproductions using color photocopiers and the like
A method of preventing color accurate reproduction of a colored pattern with color photocopiers or color photography using photosensitive materials having...
US-4,325,621 Electronic flash device
In an electronic flash device used as an artificial light source in photography, a liquid crystal plate or window is disposed in front of a flash unit comprising...
US-4,325,617 Camera exposure control device
AE-lock photography with accurate exposure control is made possible by a camera exposure control device which memorizes outputs of a T.T.L. light measuring...
US-4,322,607 Camera setting calculator for underwater color photography
The Camera Setting Calculator for Underwater Color Photography is a manual, mechanical calculator to be used in determining the aperture setting (f-number) of a...
US-4,320,207 Polyester film containing fine powder of crosslinked polymer
There is disclosed a polyester film containing from 0.001% to 4% by weight fine particles of a crosslinked polymer having an average diameter of 0.1 to 5.mu.,...
US-4,320,187 Photographic film unit for diffusion transfer with a translucent mask sheet
In a film unit for photography of the diffusive transfer process type including a photosensitive laminate, a mask sheet defining an image border definition with...
US-4,320,186 Electrographic method for preparing original for projection and transfer film for use in method
Disclosed is a method for preparing an original for projection by using a transfer film comprising a transparent plastic film substrate, an undercoating layer...
US-4,318,599 Apparatus for exposure control for microphotography
The invention contemplates improved exposure-control means for use in microphotography, providing optional availability of semi-automatic exposure control and of...
US-4,317,707 Portable electrolysis unit for recovery of silver from photographic film
The device is a portable drum having a removable end cap and a removable plug. The end cap is electrically connected to an electric current and has a pair of...
US-4,317,622 Exposure control apparatus for flash photography
Exposure control apparatus for a camera having an objective lens, an unregulated, fixed output flash device which, in the absence of ambient light, provides...
US-4,316,658 Camera for close-up and normal range photography
A camera, operable in flash and ambient exposure modes, has adjustable lens apparatus useful for close-up and normal range photography. A photoconductively...
US-4,315,187 Stroboscopic dishcharge tube for photography
A stroboscopic discharge tube for use in photography is provided which comprises a light-transmitting tube having its opposite ends closed, a cathode and an...
US-4,313,653 Controller for lapping photography of cinecamera
Controller for the lapping, fade out and fade in photography of a cinecamera, in which a diaphragm is slowly stopped down partially, photography is interrupted,...
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...
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