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Searching: photography





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Patent # Description
US-5,162,192 Liquid for DTR-photography
An aqueous alkaline processing liquid suitable for use in the silver complex diffusion transfer reversal (DTR-) process, wherein wherein said liquid contains a...
US-5,159,384 Camera exposure control system selectively operative in exposure control mode based on multi-spot light...
A camera exposure control system based on multi-spot light measurement is designed to determine the exposure value from measured values provided by measuring the...
US-5,157,433 Method and apparatus for controlling continuous photography
Continuous photography control for a camera wherein an autofocus system is provided, and a motor is used commonly to move a taking lens for focusing and to open...
US-5,155,581 Electronic still video camera
An electronic still video camera includes photography means having video signal production means for producing a video signal with respect to an object, color...
US-5,155,541 Single pass digital printer with black, white and 2-color capability
Method and apparatus for printing toner images in black and at least two highlighting colors in a single pass of the imaging surface through the processing areas...
US-5,155,519 Camera having a synchronized-shutter-time control device for flash photography
A camera is arranged to perform shutter control for flash photography either in a first mode which is for a normal shot or in a second mode in which a shot,...
US-D329,917 Arc lamp for motion picture photography
US-5,150,148 Camera with improved ability to photograph moving objects
An auto-focus camera with compensation for object movement along the optic axis of the photo-taking lens determines whether the object speed is greater than a...
US-5,149,828 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-5,148,201 Zooming control apparatus for a camera
A zoom lens is zoomed selectively in either of two opposite directions by a motor which is rotated by a driver. First and second zoom switches cause the zoom...
US-5,146,363 Microscope optical system
A microscope optical system having an objective lens, an observing direction converting prism bending a beam of light from the objective lens in a predetermined...
US-5,144,353 Optical system driving device of camera
An optical system driving device for a camera includes a displacement mechanism for actuating a photo-taking optical system by displacement; a driving mechanism...
US-5,142,299 Hand held system for close-range underwater photography composing and focusing
A system for composing and focusing a hand-held underwater camera system includes a first light source and a second light source which each emit a beam of...
US-5,141,835 Liquid developer for electrostatic photography
A liquid developer for electrostatic photography is disclosed. The liquid developer comprises at least resin grains dispersed in a non-aqueous solvent having an...
US-5,136,319 Lens-fitted photographic film package
A lens-fitted photographic film package for steroscopic photography, wherein a plurality of images of the same subject are taken simultaneously through a...
US-5,136,109 Process for preparing 2,4-dichloro-3-alkyl-6-nitrophenols
2-4-Dichloro-3-alkyl-6-nitrophenols which are useful as intermediate of cyan couplers in color photography are prepared by sulfonating 4-chloro-3-alkyl-phenols...
US-5,132,833 Laser scanning system
A laser scanning system is provided to include a laser scanning component for generating a laser beam; a pivotable reflecting mirror disposed for receiving and...
US-5,130,728 Information recordable camera
A camera capable of recording information and using a film having a magnetic recording medium, a film and a cartridge which accommodates the film, the camera...
US-5,128,978 Film holder for autoradiographic imaging
A film cassette designed to receive photosensitive film in a light protective envelope and maintain lighttight integrity while removing the protective envelope...
US-5,128,837 Light projector for use in photography
A projector for use in photography comprises a housing containing a first light source, which provides focusing light. A pivotable mirror can be pivoted into the...
US-5,128,708 Light source discriminating device for a camera
A light source discriminating device for use with an image taking apparatus, e.g. a photographic camera, judges whether a bright line having a particular...
US-5,126,776 Auto-focus camera
In an auto-focus camera, the focus position of the lens is locked to permit the user to let go of the shutter button, with subsequent depression of the shutter...
US-5,122,828 Camera
A camera has an arrangement which includes a strobe as a built-in part or to which the strobe can be detachably secured, the strobe being arranged to move to up...
US-5,119,573 System to distribute slides onto a transparent screen
A system for photography easily distributes slides onto a light transparent screen and subsequently regroups the slides into a stack with the same sequence,...
US-5,118,179 Opthalmological photographing instrument
An ophthalmological photographing instrument has photographing means for imaging the fundus of an eye to be tested every time a photographing switch is actuated,...
US-5,117,249 Shadowless background for photography
A shadowless background board for photography, a subject to be photographed being placed in front of the board and being illuminated by light rays directed...
US-5,116,714 Image forming material with developer and photosensitive base on which an electrostatic latent image is formed
An image forming material is provided in which a developer container containing a developer consisting of an electrically insulating organic material which is...
US-5,115,169 Flash light control circuit
An object of the invention is to provide a flash light control circuit by which a flash bulb is controlled to maintain a constant quantity of emitted light at...
US-5,114,822 Liquid developer for electrostatic photography
A liquid developer for electrostatic photography is disclosed. The liquid developer comprises at least resin grains dispersed in a non-aqueous solvent having an...
US-5,113,216 Camera
A camera comprising a semi-open type shutter which also serves as a diaphragm, a flash device, a setting circuit for setting an aperture value for flash...
US-5,113,207 Apparatus and method for photographing reflective objects
A mask having a slot therein, which acts as an external camera shutter, thereby limiting the camera's view of the object. The mask is comprised of an apparatus,...
US-5,112,718 Liquid developer for electrostatic photography
A liquid developer for electrostatic photography is disclosed. The liquid developer comprises resin grains dispersed in a non-aqueous solvent having an electric...
US-5,112,716 Liquid developer for electrostatic photography
A liquid developer for electrostatic photography is disclosed. The liquid developer comprises at least resin grains dispersed in a non-aqueous solvent having an...
US-5,112,651 Method and apparatus an image-receiving element in diffusion transfer photography including drying and heating...
A method of forming a silver image receiving element in diffusion transfer photography by hydrolyzing a surface of an alkali-impermeable polymer layer on a...
US-5,108,864 Liquid developer for electrostatic photography
A liquid developer for electrostatic photography is disclosed. The liquid developer comprises resin grains dispersed in a non-aqueous solvent having an electric...
US-5,106,725 Silver halide grains and photosensitive silver halide photographic materials
Silver halide grains for use in silver halide photography having a regular crystal shape and including at most two irregularly grown crystal faces and a silver...
US-5,106,716 Liquid developer for electrostatic photography
A liquid developer for electrostatic photography is disclosed. The liquid developer of this invention comprises resin grains dispersed in a non-aqueous solvent...
US-5,100,751 Liquid developing agent for electrostatic photography
Liquid developing agent for electrostatic photography comprising resin grains dispersed in a non-aqueous solvent with an electrical resistance of 10.sup.9 106 ...
US-5,099,276 Method of controlling exposure of process camera using sub-exposure and apparatus therefor
Disclosed are a method of and an apparatus for controlling exposure in halftone photography by calculating a main exposure amount, a bump exposure amount and a...
US-5,098,531 Electrochemical synthesis of 2-aryl-hydroquinones
Preparation of 2-aryl-hydroquinones of formula (I) by oxidizing by an electrochemical route a compound of formula (II): ##STR1## wherein A represents an...
US-5,098,055 Self-adjustment hook and sling suspension for rolled sheet materials
A compact, highly-portable hook and sling suspension assembly for rolled sheet materials (including partially or substantially unrolled sheet materials) such as...
US-D324,873 Photography booth
US-5,094,970 Method of making a light emitting diode array
In a light emitting diode array, an N-electrode layer (32) is extended from the bottom surface to the top surface of a semiconductor body (30) through the side...
US-5,091,787 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-5,089,841 Device for automatically changing magnification of camera zoom lens
A camera automatic zoom lens adjustment apparatus in which photography can be performed in one of three modes including a standard mode, creative mode, and...
US-5,087,936 Camera
A filter is provided which can pass therethrough only a signal component having a frequency corresponding to a secondary higher harmonic frequency component...
US-5,085,966 Non-aqueous dispersing agent and liquid developing agent for electrostatic photography
A non-aqueous dispersing agent comprising a graft copolymer is characterized in that monomer(s) to constitute the graft portion(s) of the graft copolymer is...
US-5,082,759 Liquid developer for electrostatic photography
A liquid developer for electrostatic photography comprising resin particles dispersed in a non-aqueous solvent whose electrical resistance is at least 10.sup.9...
US-5,079,576 Filter apparatus for camera
This invention discloses an improvement of a filter apparatus for cameras and particularly discloses various arrangements for improving the filter apparatus for...
US-5,077,640 Photographic lighting apparatus
A lighting environment for photography provides light completely around an object to be photographed. A circular diffusing screen forms the inner wall of a light...
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