Abstract: A silver halide photographic light-sensitive material containing a novel cyan coupler is disclosed. The cyan coupler is represented by the following Formula I: ##STR1## wherein A represents an organic group; X represents a hydrogen atom or a group capable of splitting off upon a reaction with an oxidation product of a color developing agent; Z represents the group of atoms capable of forming a five or six-membered heterocyclic ring together with carbon and nitrogen atoms; Y represents a linkage group; and R represents a hydrogen atom or an organic group.

Abstract: A silver halide reversal photographic light-sensitive material is disclosed, which is improved in color reproducibility and gradation. The photographic material comprises a support having thereon a photographic component layers including at least two silver halide layers and a DIR layer. At least one of the emulsion layers comprises at least two silver halide emulsion layers which are substantially the same in color-sensitivity and different from each other in speed. The DIR layer contains a DIR compound and a silver halide emulsion and does not substantially contribute for any image formation.

Abstract: An electrophotographic apparatus having a cam mechanism for shifting a transfer unit and a cleaning unit of the apparatus, enabling both of them to take a contacted position and a separated position with the surface of the photoreceptor drum to perform the functions of toner image transfer and residual toner cleaning in an ordered timing. The cam mechanism is provided with a cam which is driven to rotate intermittently around an axis of the photoreceptor drum, and a transfer cam follower and a cleaning cam follower are guided by the cam. The transfer cam follower shifts the transfer unit to take a transfer position in a transfer time interval and shifts the transfer unit to a separated position from the surface of the photoreceptor drum in a non-transfer time interval. The cleaning cam follower shifts the cleaning unit to a cleaning position in a cleaning time interval and shifts the cleaning unit to a separated position from the surface of the photoreceptor in a non-cleaning time interval.

Abstract: There is disclosed the transmission type liquid crystal display device having a high contrast and an excellent achromatic property. The display device comprises a liquid crystal cell, a pair of the polarizing plates and a backlight source, and is characterized by:(1) the product .DELTA.n.d, in which .DELTA.n is a refractive anisotropy of the nematic liquid crystal and d is a thickness of the liquid crystal layer, is 0.65 to 0.90 .mu.m;(2) in the relation to the twist angle .alpha., the setting angles .beta. and .gamma. of the polarizing plates and a correction angle .delta. satisfy the following Equations (a) and (b):.alpha.+.beta.-.gamma.-180.degree.=90.degree.-.delta.0.degree.<.delta.<30.d egree. Equation (a).beta.+.gamma.=+90.degree. or -90.degree.; Equation (b)(3) a pretilt angle .theta..sub.o of the nematic liquid crystal molecules contacting the electrode substrate is not less than 10.degree.

Abstract: An image-scanning apparatus for inputting image data to an image processing device. The apparatus includes an image document holding cassette for holding an image document, a document holder stacker for storing the image document holding cassettes therein, and supplying the image document holding cassette into a scanner, the scanner for irradiating the image document located on a document supporting table and inputting the image data from the irradiated image document with an input sensor through a magnification mechanism, the magnification mechanism for changing the magnification of the image document at said input sensor so that the magnification of the image data is changed, and the document supporting table being capable of changing the angle of the image document to the scanner so that the angle of the image data is changed.

Abstract: A silver halide photographic light-sensitive material improved in fastness to light of the color image formed thereon. The photographic material comprises a support and a silver halide emulsion layer containing a dye-forming coupler, a compound represented by the following Formula I, and a compound represented by the following Formula II: ##STR1## wherein R.sub.1 and R.sub.2 each represents a straight or branched chain alkyl group having 1 to 4 carbon atoms or a straight of branched chain alkenyl group having 1 to 4 carbon atoms; R.sub.5 and R.sub.6 each represents a straight or branched chain alkyl group having 5 to 18 carbon atoms or a straight of branched chain alkenyl group having 5 to 18 carbon atoms; and R.sub.3, R.sub.4, R.sub.7 and R.sub.8 each represents a straight or branched chain alkyl group having 4 to 8 carbon atoms.

Abstract: There is disclosed a direct positive silver halide light-sensitive material which can be processed in ultra-rapid processing and have a higher sensitivity, a lower Dmin, an excellent antistatic property and less flactuation of the properties in storing. The light-sensitive material contains an electron-accepting compound in a silver halide emulsion layer, and a fluorinated surfactant and/or at least one of the compounds represented by Formulas I-a to II-b in a photographic component layer: ##STR1## wherein R.sub.1 to R.sub.4 represent independently a hydrogen atom, a lower alkyl group, an alkoxy group, a carboxy group, an alkoxycarbonyl group, a sulfo group, a halogen atom, and a nitro group, provided that at least one of R.sub.1 and R.sub.2 is a carboxy group, an alkoxycarbonyl group or a sulfo group.

Abstract: A lens for a highly precise and fine projector that may response to a television of high quality must have a large aperture ratio and a wide field angle, and chromatic aberrations should be well corrected. A projector lens according to the present invention comprises, from a screen side, a first lens group including at least one positive single lens and negative single lens, a second lens group having a strong refracting power including one positive lens and negative lens, a third positive lens group having a relatively weak refracting power, and a fourth lens group having a negative lens with a concave surface having a strong curvature directed toward the screen, characterized in that the third lens group has at least one aspherical surface.

Abstract: This invention relates to a fixing apparatus where a toner image is formed on a transfer medium by passing the transfer medium between a heat roller and a press roller, each of the rollers rotating while in pressure contact with each other. An oil application roller is disposed in pressure contact with and is driven by the heat roller. The oil application roller has a layer of heat-resistant fibers on its circumferential surface. An oil-impregnated member is pressed against the oil application roller through a pressure contact surface formed of a non-woven cloth for transferring oil having a dynamic viscosity of .nu.2 in the range of 1,000 cst to 10,000 cst, to the oil application roller. The oil application roller is continuously supplied with oil from the oil-impregnated fiber member and the cloth and supplies oil having a dynamic viscosity of .nu.1, to the circumferential surface of the heat roller during rotation. The ratio of dynamic viscosities of the oils being in the range of .nu.2:.nu.1=1:3 to 30.

Abstract: An electrostatic image forming apparatus for forming a color image wherein plural developers are located substantially under the image retainer, at least two of the image retainer, the developer, and the cleaner being formed as a detachable unit.

Abstract: An electrostatic-image developing toner containing a polyester prepared by condensation polymerization of a monomer composition consisting of:Component (1): a polyvalent monomer having not less than trivalency,Component (2): an aromatic dicarboxylic acid, andComponent (3): an aliphatic dialcohol,and a releasing agent having some range of a penetration, is disclosed. The total of an acid value (AV) and a hydroxyl value (OHV) of said polyester comprises a value of not less than 30 and not more than 80.

Abstract: A magnetic recording medium is disclosed. The magnetic recording medium is capable of high density recording; has excellent electromagnetic conversion properties including S/N ratio; whose magnetic powder has good dispersibility and good corrosion resistance; and that has good durability. The magnetic recording medium comprises a binder and magnetic metal powder dispersed in the binder and the magnetic metal powder has a specific surface area of not less than 45 m.sup.2 /g, and comprises comprise iron atoms and aluminum atoms in an abundance ratio of from 100:1 to 100:20 in terms of the number of atoms, and abundance ratio of iron atoms to aluminum atoms in the superficial portion of individual particles of the magnetic powder is from 30:70 to 70:30 in terms of the number of atoms.

Abstract: A camera for photographing a panoramic photography which is composed of plural separated picture frames. The camera has a detector to detect an angle of photographing view of the camera, a determiner to determine a rotation angle of the camera according to the angle of photographing view, and a movement to rotate the camera in the rotation angle when each of the separated picture frames is photographed. The camera is rotated as to stay the camera on the same plane when the panoramic photography is taken.

Abstract: A silver halide photographic light-sensitive material is disclosed, which is inhibited in forming pin-holes in a phgotomechanical processes. The light-sensitive material comprises a support on a surface of which an electric conductive layer is provided. The electric conductive layer comprises a polymer having an aromatic ring or a heterocyclic ring each having a sulfonic acid group or a salt bonding to the aromatic or heterocyclic ring directly or through a divalent group, and a latex. This layer has a swelling degree of from 0.2 percent to 300 percent.

Abstract: An image data compression apparatus, in that a component characteristic value of an AC component in a block obtained by dividing digital tonal image data is compared with a predetermined threshold value so that a frequency of an AC component at the highest frequency side having the component characteristic value over the threshold value is determined as a boundary value, and in that the AC component exceeding the boundary value is not handled as a substantial transform coefficient. When the transform coefficients in a high-frequency side in the block is cut according to an image content of the block a lower limit of a frequency to be cut is determined, so that a frequency lower than the lower limit determined may not be cut.

Abstract: Disclosure is an automatic processing apparatus for processing a silver halide photosensitive material with a processing agent, comprising; a processing tank for containing the processing agent, conveyance rollers for conveying the photosensitive material through the processing tank, and a sealing device for preventing the processing agent in the processing tank from coming into contact with air, wherein the processing tank has a tube shape.

Abstract: A magnetic recording medium having plural magnetic layers is disclosed. The magnetic recording medium comprises a first magnetic layer containing magnetic powder having a coercive force of less than 800 Oe and a BET value of less than 45 m.sup.2 /g, a second magnetic layer containing magnetic powder having a coercive force of not less than 800 Oe and a BET value of less than 45 m.sup.2 /g and a third magnetic layer containing magnetic powder having a coercive force of not less than 800 Oe and a BET value of not less than 45 m.sup.2 /g, in this order.

Abstract: The invention provides a tripod for use with a camera by which the camera can be set horizontally without any difficulty. The tripod includes a supporting base for supporting a camera thereon through screw mechanism. On the lower surface of the base is provided a central leg composed of a pliantly bendable rod like member. On both the sides of the central leg are symmetrically provided a pair of side legs, each of which is adapted to pivotally open in outwardly slanting direction to a stop position and is shorter than the central leg.

Abstract: An image forming apparatus including a double feeding preventing mechanism which is arranged at an outlet side of a sheet feeding unit so that only one transfer material is fed, a sheet-feed controller which is stopped immediately after a leading end of the transfer material fed from the sheet feeding unit abuts against a nip portion between a pair of registration rollers, and a conveying controller for controlling rotation of the registration rollers such that the registration rollers are rotated after a sheet feeding operation is stopped so as to convey the transfer material to a predetermined position at low speed and are then rotated to convey the transfer material from the predetermined position to a transfer position in synchronism with a latent image formation timing.

Abstract: The invention provides an apparatus for coating a solution on a tape-shaped flexible support which is moved so as to run along a top surface of coating head. The coating head is slitted so as to form a front edge surface, a back edge surface in order in the moving direction of the flexible support, and a slit therebetween so that the solution is extruded through the slit of the coating head to the flexible support. In this configuration, at least a part of the back edge surface projects beyond the tangent line at the downstream end of the front edge surface.