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Arsenic-selenium photosensitive material for use in electronic
A photosensitive material for use in electronic photography having a photosensitive layer principally comprises an amorphous selenium-arsenic alloy, the alloy...
Matted photographic imaging materials
The matting agent particles of matted photographic imaging materials contain a finely divided solid as well as a dye that is only present at the image-forming...
Camera accessories for contrast control
Camera accessories, mountable on lenses or flash units, for altering contrast between dark and light areas of photographs. A camera accessory includes framing...
Camera with development function
This invention relates to a camera with development function used in microscophic photography, in which a cover is disposed at the opening of a compartment case...
Liquid developer for electrostatic photography
A liquid developer for electrostatic photography comprising a resin dispersed in a non-aqueous solvent having an electric resistance of at least 10.sup.9...
Developer for electrostatic image comprising coated carrier
A developer for electrostatic photography comprises toner and carrier coated with a composition comprising a silicone resin having (II) and (II') and at least...
Method of zooming in a camera and device for use in such method
A zoom lens is disclosed which comprises a front lens group for collecting light as a first group, a magnification varying lens group for varying the ...
Method of determining exposure
An exposure determining method. Light is measured with respect to a plurality of portions of film images into which images on films to be subjected to printing...
Tele/pan applied to lowest cost camera uses passive optical encoding
Camera with adjustable viewfinder mask having differently dimensioned openings for pseudo-photography, has light pipes to provide binary coding of film frames...
Camera system and attachment lens with integral lens sections
An attachment lens and a camera system, comprising an attachment lens adapted to be attached to the subject side of a camera which is equipped with separate...
Camera with automatic exposure function which is operatable in a normal
photography mode and a slow photography...
A camera having an ordinary automatic exposure function which automatically decides a proper shutter speed and f-stop based on the results of photometry is...
Camera permitting close-up photography
A camera permitting close-up photography has a normal photographing mode and a close-up photographing mode. A flash device, a view finder device, a distance...
Method for processing a silver halide photosensitive material for color
A method for continuous processing of a silver halide color photosensitive material is disclosed. The process steps comprise developing a color photographic...
Carrier for developing electrostatic image, and developer for developing
electrostatic latent image containing...
A carrier for use in a developer for electro-photography, which comprises a core material and provided thereon in order, an intermediate resin layer and a layer...
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...
Electronic method and apparatus for stereoscopic photography
A method and apparatus for electronically taking photographs of an object to be used for stereoscopic (three dimensional) reproductions of the object in which an...
Apparatus for time-resolved photography of fluorescence
A time-resolved photographic analysis device is capable of analyzing for the presence of fluorescent radiation, particularly in a diagnostic sample. The...
Information storage stamper and method of manufacturing disks using the
On a cemented carbide alloy disk or a cermet disk having been coated with either an iridium (Ir) alloy film or a ruthenium (Ru) alloy film is formed guide...
Focus detecting device for use with cameras
An image sensing device capable of being utilized in an automatic focus detecting system includes a pair of sets of light sensing elements that are spaced from...
Synchronizing device for dual camera photography
Dual camera photography is effected using two conventional cameras of the same or diverse models with, for example, one camera carrying instant film and the...
Universal mount for a specimen holder
A universal mount is disclosed herein for positioning small subjects for macro-photography which includes a box-like base having a releasable fastener for...
High speed stroboscope system for visually observing dynamic properties
by moving objects of various...
An improved stroboscopic system permits higher response speeds in the order of nanoseconds and a richness of control fatures for highlighting different viewing...
3-aminoallylidenemalononitrile UV-absorbing compounds and photographic
elements containing them
3-Aminoallylidenemalononitrile compounds corresponding to the formula: ##STR1## wherein R.sub.1 is a short alkyl chain having 1 to 3 carbon atoms and R is a...
Modified peptizer twinned grain silver halide emulsions and processes
for their preparation
The present invention is directed to a process of precipitating for use in photography a silver halide emulsion employing a gelatino-peptizer containing...
Method for slow synchro-flash photography
A method for taking a photograph with a camera having a flash light exposure, a natural light exposure, and an automatic selection where the camera can...
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...
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...
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...
Method for producing a light sensitive body for electronic photography
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...
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...
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...
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...
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...
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...
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...
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...
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## ...
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...
Staging particularly for use in group photography comprises spaced support assemblies each comprising a rearwardly inclined truss member 151 supported by a first...
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,...
Apparatus for controlling the charging of a main capacitor of a flash
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...
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...
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,...
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,...
A camera including operable means changeable from an initial position to a predetermined position and vice versa, drive means for driving the operable means,...
Photography support bracket
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,...
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...
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...
Electrophotosensitive layered article provided styryl compounds and
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...