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Searching: photography





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Patent # Description
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...
US-5,077,569 Close-up photography device
A close-up photography device includes an intermediate device of extensible and retractable type adapted to be mounted on a camera body, and a lens barrel for...
US-5,075,715 Flash device with charging completion control feature
A camera is provided to effect flash photography using a flash device, in particular, a camera of the type which actuates a function such as a shutter release...
US-5,075,207 Color photographic recording material containing new colored cyan couplers
Colored cyan couplers corresponding to formula II are eminently suitable for masking the yellow secondary density of cyan dyes. The reproduction of blues and...
US-5,074,657 Timing adjustment for reverse movie photography
A method and mechanism for adjusting the timing of a camera in the reverse mode while allowing for separate adjustment of the timing in the forward mode. In a...
US-5,073,798 Electronic photography apparatus
Electronic photography apparatus has a photoconductor material on which an electrostatic latent image is formed, a developing device for developing the...
US-5,073,471 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-5,073,470 Liquid developer for electrostatic photography
A liquid developer for electrostatic photography comprising resin grains dispersed in a non-aqueous solvent having an electric resistance of at least 10.sup.9 cm...
US-5,072,246 Self photography booth and method
A self photography system comprises a photographic camera having an image inlet. A video camera has an image inlet and an image outlet, and the video camera is...
US-5,070,007 Color photographic materials comprising phenolic thiane derivatives as light and thermal oxidation stabilizers
Phenolic thiane derivatives of the formula I or II ##STR1## in which n is 0, 1 or 2 and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7,...
US-5,068,679 Imaging system for macrophotography
An imaging optical system having a photographic lens and a mechanical stop is provided with a variable focal length lens disposed adjacent to a mechanical stop...
US-5,068,170 Method for processing silver halide color photographic materials
A method for processing an imagewise exposed silver halide color photographic material for photography which comprises the steps of: color-developing a silver halide...
US-5,066,970 Swinging type camera
A swinging camera includes a distance measuring section, an automatic release section, a rotating section, an angle detecting section, a determining section, a...
US-5,066,950 Traffic safety monitoring apparatus
A traffic monitoring system comprising apparatus for establishing a pair of precisely spaced radiation beams in association with a thoroughfare, whereby passage...
US-5,065,023 Solid state high resolution photography and imaging using electron trapping materials
A photography and imaging system and method using electron trapping materials. An input image is formed on an imaging plate having a layer of the electron...
US-5,063,136 Processing liquid for use in DTR-photography with two toners
An aqueous alkaline processing liquid suitable for use in the silver complex diffusion transfer (DTR-) process, wherein said liquid contains one or more...
US-5,061,613 Pyrazolo quinazolone coupler for photography
There is disclosed a coupler for photography of the formula (I): ##STR1## wherein R.sub.1 and Y each represent a hydrogen atom or a substituent; R.sub.2...
US-5,061,612 Reflective support for photography
Disclosed is a reflective support for photography, comprising a polyester film containing titanium oxide particles, wherein the particle size distribution of the...
US-5,061,061 Front projection composite photography system combining staged action with two projected images
A front projection composite photography system using a pair of perpendicular reflex screens combines two projected background scenes with a staged scene in a...
US-5,057,243 Aerosol diffusion fogger
An aerosol diffusion fogger apparatus has an aerosol can containing about 10% by weight light white mineral oil and about 90% by weight of an isobutane and...
US-5,055,369 Liquid developer for electrostatic photography
A liquid developer for electrostatic photography is disclosed. The liquid developer comprises a resin dispersed as grains in a non-aqueous solvent having an...
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