Abstract: Preparation method of a silver halide emulsion is disclosed, in which the silver halide emulsion contains tabular grains having a mean equivalent circle diameter of 0.1 to 10.0 &mgr;m, a mean grain thickness of 0.01 to 0.3 &mgr;m and an aspect ratio of 1.5 to 300, the emulsion is prepared by a process comprising: (a) forming the tabular silver halide grains in the presence of fine silver halide grains containing at least a metal selected from the group of indium, gallium and metals in Groups 8, 9 and 10 of the periodical table and (b) subjecting the tabular silver halide grain emulsion to ultrafiltration to remove a salt-containing solution from a reaction mixture solution in the growth process of the tabular grains.
Abstract: A silver halide photographic light-sensitive material comprising a dye represented by the following formula (1) or formula (2):
wherein A1 and B1 each represent substituents other than a naphthalene group; and A2 and B2 represent substituents.
Abstract: A control method for discharging particles and an apparatus executing the method are disclosed. The control method includes steps of passing particles through a particles-supplying path connected to a supplying section of the particles at one end of it, and having a delivery opening for discharging the particles at the other end of it and controlling to form a cover consisting of at least a part of the particles by changing a density of at least a part of the particles existing in the particles-supplying path so as not to discharge the particles from the delivery opening.
Abstract: A silver halide photographic emulsion, wherein silver halide grains are prepared by adding a compound capable of forming cross-linkage with gelatin to said silver halide grains in any of processes before the completion of chemical sensitization after the formation of the silver halide grains.
Abstract: In a film scanner, for reading an original image on a photographic film, provided with an optical system for irradiating light to the original image on the photographic film and for focusing light from the photographic film so as to form an image and photoelectically converting elements for photoelectically reading the formed image by the optical system, there is further provided an image resolution regulator to regulate image resolution of the read image in accordance with the size of the original image to be read.
Abstract: A single use camera with a built-in electronic flash includes a main body; a photographic film loaded in the main body previously; an electronic flash unit having an electronic flash light emitting section and an electronic flash circuit; and a photographing unit having a photographic lens and a shutter, wherein the following condition is satisfied,
wherein A represents an exposure value, which is determined by an aperture value, a shutter speed and a sensitivity of a film loaded in the single use camera, when photographed in a condition in which the electronic flash unit is used.
Abstract: A silver halide light sensitive photographic material is disclosed, comprising a support and at least one hydrophilic colloid layer including a silver halide emulsion layer, wherein the hydrophilic colloid layer comprises a compound represented by the following formula. An image forming method by use thereof is also disclosed.
Abstract: A strobe device, including: a strobe circuit board; a connecting conductor composed of a wire member; and a strobe emitting portion which includes; a) a light emitting tube, having electrode terminals on its both ends, b) a reflector for reflecting strobe light emitted by the light emitting tube toward a photographic object and c) a transmission window for covering a front surface of the reflector and for transmitting the strobe light. In the strobe device, the connecting conductor has a contact with the light emitting tube and electricity is supplied to the light emitting tube through the connecting conductor.
Abstract: A silver halide photothermographic material is disclosed, comprising a support having thereon a light-sensitive layer and light-insensitive layer, wherein the light-sensitive layer or the light-insensitive layer comprises a heteroatom-containing macrocyclic compound, and the light-sensitive layer comprising a sensitizing dye exhibiting maximum sensitivity at a wavelength of 600 nm or more.
Abstract: A silver halide emulsion is disclosed, containing silver halide grains having a chloride content of not less than 90 mol %, wherein the silver halide grains each are internally doped with compound (A), compound (B) and compound (C); compounds (A) and (B) each meeting specified requirements and compound (C) being an iridium compound.
Abstract: In electronic still camera 30 provided with an image pickup lens constituting optical system 31 which focuses a subject image on a predetermined image-focusing plane; a solid image pickup element CCD which is provided at the position of the image-focusing plane of the image pickup lens and generates image signals by transforming photoelectrically the image obtained by the image pickup lens, and with an A/D converter which converts the image signals from the solid image pickup element into digital signals, when I1 represents an image which is formed by outputting the digital signals obtained by the electronic still camera by an outputting means, I2 represents an image formed by outputting, with said outputting means under the same condition, what is obtained by photographing the same subject with the image pickup lens of the electronic still camera after replacing the solid image pickup element of the electronic still camera with a silver halide light-sensitive material, after reading it with a reading unit, i
Abstract: An image forming method is disclosed, comprising the steps of processing image data or setting an exposure condition so that an image size is enlarged or reduced, imagewise exposing a photothermographic material to laser to form an image enlarged or reduced based on the processed image data or the set exposure condition, and subjecting the exposed photothermographic material to thermal development, in which the photothermographic material comprises an organic silver salt, a photosensitive silver halide, a reducing agent, and a contrast increasing agent or a quaternary onium salt.
Abstract: A method for preparing a silver halide emulsion comprising silver halide grains is disclosed, comprising: reacting a silver salt solution and a halide salt solution to perform silver halide grain nucleation, followed by silver halide grain growth to form the silver halide grains, wherein the silver halide grains are formed in the presence of an iodide ion releasing agent; and subjecting a reaction mixture solution to ultrafiltration during grain growth.
Abstract: A fixing apparatus for controlling fixing temperature by controlling operations of a plurality of heaters, the apparatus includes: a timer for measuring a period of time for operations of the plurality of heaters; and a controller for controlling operations of the plurality of heaters in accordance with the measured period of time by the timer. When the timer detects that a period of time of continuous operations of only a part of heaters from among the plurality of heaters reaches a predetermined period of time or more, the controller turns on remaining heaters other than the part of heaters in addition to the part of heaters.
Abstract: A photographic device set including: a photographic device having a shutter device, a camera lens, a diaphragm and a photographing operation section; a photographic film built in the photographic device in advance; and a packing material with which the photographic device is packed. In the photographic device set, the packing material has a transparent film and is provided with opaque portions at an area corresponding to the photographing operation section or to the camera lens of the photographic device.
Abstract: In a fixing apparatus for fixing toner images on a transfer material upon which toner images have been placed by applying heat to the transfer material, the fixing apparatus includes: a roll-shaped rotary member for applying heat to the transfer material upon which toner images have been placed, the roll-shaped rotary member including a cylindrical ray-transmitting base member, and a ray absorbing layer for generating heat onto the transfer material upon which toner images have been placed so as to fix the toner on the transfer material, the ray absorbing layer, provided on an outer side of the ray-transmitting base member; a ray irradiating device for irradiating ray to the ray absorbing layer, the ray irradiating device provided inside the cylindrical ray-transmitting base member; bearing member for rotatably supporting the roll-shaped rotary member; flange members provided on both ends of the ray-transmitting base member; and an elastic covering member provided between the flange member and the roll-shaped
Abstract: A powder accommodating container for accommodating powder includes: a flexible bag having an opening, capable of storing the powder; a protecting member for enclosing at least part of the flexible bag, wherein the protecting member is capable of being transformed; and a cover mounted on the protecting member, for opening and closing the opening.
Abstract: A correction method of a document inclination angle includes the steps of: first detecting an edge of a document; second detecting an inclination amount of the document corresponding to an inclination angle according to a detected result of the edge of the document. The inclination angle represents an inclination angle of the edge of the document with respect to a first reference direction and a second reference direction perpendicular to the first reference direction. The correction method further includes correcting the inclination angle of image data of the document with respect to the first and second reference directions. The step of the correcting includes a shift processing conducting a first shift processing in which the image data are shifted to one of the first and second reference directions according to the inclination amount and conducting a second shift processing in which the image data are shifted to the other of the first and second reference directions according to the inclination amount.
Abstract: A photothermographic material is disclosed, comprising a non-photosensitive organic silver salt, a photosensitive silver halide, a reducing agent a binder and a cross-linking agent; the photothermographic material further comprising a compound capable of generating a labile species other than a halogen atom upon exposure to ultraviolet radiation or visible radiation to deactivate the reducing agent.
Abstract: Disclosed is a toner for developing electrostatic image, comprising a resin and colorant. The toner has a variation coefficient of shape coefficient of not more than 16 percent and a number variation coefficient in the number particle size distribution of not more than 27 percent. An image forming method employing the toner is also disclosed.