Abstract: A photoreceptor having a insulating layer in which plural color-separation filters are arranged in the form of fine line type or of mosaic type provided on the photosensitive layer having the photosensitivity for the entire range of visible ray, is used and an image-exposure is first given to the entire surface of the photoreceptor, thus electric charges are distributed on the lower photosensitive layer of each filter depending on the separated image density.

Abstract: A five unit projection lens for a projector composed of, in order from the screen side, a first positive lens unit having at least one aspherical surface, a second negative lens unit comprising a double concave lens, a third positive lens unit, a fourth lens unit, and a fifth negative lens unit with a concave surface having a great curvature directed toward the screen.

Abstract: A focal length switching type camera wherein the focal length switching operation is initiated by a focal length switching and operating device, and a motor for driving a moving device is energized according to information from the focal length switching and operating device. The moving device moves a lens unit for holding a lens in a direction of an optical axis.

Abstract: A silver halide photographic material containing at least one of couplers represented by the general formula [I] and at least one of the compounds represented by the general formula [XII] is disclosed. ##STR1## wherein Z is a group of nonmetal atoms necessary to complete a nitrogen-containing heterocyclic ring where the ring formed by Z may be substituted; X is a hydrogen atom or a substituent capable of being released upon reaction with the oxidation product of a color developing agent and R is a hydrogen atom or substituent; ##STR2## wherein R.sub.21 is a hydrogen atom or a group selected from the group consisting of an alkyl group, an alkenyl group, a cycloalkyl group and aryl group, R.sub.22 and R.sub.23 are independently selected from the group consisting of an alkyl group, an alkenyl group, a cycloalkyl group and an aryl group.The photographic material provides a dye-image highly stable against heat and light, and a formation of stain at a non-image area is prevented.

Abstract: A rapidly processable silver halide photograpic light-sensitive material is disclosed, which comprises a support having thereon at least one silver halide emulsion layer comprising, (a) silver halide grains comprising not less than 80 mol % of silver chloride, (b) at least one optical sensitizing dye represented by the following general formula [I] and (c) at least one compound represented by the following general formula [II]. The photographic material has a high sensitivity, lowered fog and excellent storage stability.

Abstract: A silver halide photographic material containing a support and, provided thereon, at least one silver halide emulsion layer, this silver halide emulsion layer containing silver halide grains containing 90 mol % or more of silver chloride, a dye-forming coupler, and a compound represented by general formula [S]; ##STR1## wherein Q is a group of atoms necessary to complete a 5- or 6-membered heterocyclic ring or a 5- or 6-membered ring fused with a benzene ring and M is a hydrogen atom, an alkali metal or an ammonium group;the silver halide layer having been hardened by a hardener represented by formula [HDA] or [HDB]; ##STR2## wherein Rd.sub.

Abstract: There are disclosed a processing solution of a light-sensitive silver halide color photographic material, which comprises containing a compound represented by the formula (I) shown below, and a processing method of the same, which comprises subjecting a light-sensitive silver halide color photographic material having at least one layer of silver halide emulsion layer on a support to imagewise exposure and then applying processing including at least a color developing processing, characterized in that the color developing solution to be used in the color developing processing contains a compound represented by the formula (I) shown below: ##STR1## wherein R.sub.1 represents an alkyl group having 1 to 5 carbon atoms substituted with an alkoxy group, and R.sub.2 represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms or an alkyl group having 1 to 5 carbon atoms substituted with an alkoxy group, and R.sub.1 and R.sub.2 may be bonded with each other to form a ring containing an oxygen atom.

Abstract: A thermally developable light-sensitive material is disclosed that the said material has at least one light-sensitive silver halide containing layer on a support and which further contains a compound represented by the general formula (I):X (J.sub.m F).sub.n (I)wherein X is the residue of the development restrainer; J is a divalent linkage; F is an immobilizing group that is capable of reducing the diffusibility of the compound of formula (I) or a silver salt or silver complex thereof during thermal development; m is 0 or 1; and n is an integer of 1 to 3.

Abstract: A silver halide photographic light-sensitive material comprising a support bearing at least one silver halide emulsion layer is disclosed. The silver halide emulsion layer contains silver halide grains comprising not less than 80 mol% of silver chloride and a water soluble iridium compound in an amount of from 10.sup.-8 to 10.sup.-5 mol per mol of a silver halide contained in the emulsion layer. And the emulsion layer is hardened with a hardner represented by General Formula [I] or [II]. ##STR1## The photographic material has an excellent antipressure property and suitable for a rapid processing.

Abstract: A seimconductor laser device wherein the quantity of light emitted from a semiconductor laser is monitored by a light quantity monitor circuit, and the output of the monitor circuit is compared by a comparator circuit with a reference voltage. An emission inhibiting device inhibits the semiconductor laser from emitting light in accordance with the output of the comparator circuit. The emission inhibiting device is arranged to inhibit the supply of an optical modulation signal to the semiconductor laser, or it comprises a current source for driving the semiconductor laser, the output of the current source being reduced when the emission of light from the laser is to be inhibited.

Abstract: An automatic photographic paper processing apparatus wherein between an exposure unit (2) for printing a photographic paper and a transferring means (9) for discharging an exposed photographic paper a discharge accumulating unit (A2) for accumulating temporarily the exposed photographic paper is provided, so that when an amount of the photographic paper accumulated at the discharge accumulating unit (A2) is decreased the photographic paper is cut by operating a cutter unit (20) arranged at the downstream of the exposure unit (2) and then the transferring speed at the transferring means (9) is increased.An automatic photographic paper processing apparatus wherein a paper accumulating unit (102) for accumulating temporarily sensitive photographic materials fed from an exposure unit (2) is provided at a position preceding a developing processing unit (103) consisting of a plurality of processing tanks (131, 132, 133, 134).

Abstract: There is disclosed a photoreceptor which comprises a brominated anthanthrone pigment represented by the structural formula shown below: ##STR1## contained in the photosensitive layer, the brominated anthanthrone pigment exhibiting a X-ray diffraction spectrum having the respective diffraction strengths S (18.4.degree.) and S (26.7.degree.) at 2.theta.=18.4.degree. and 26.7.degree. which satisfy the relationship of0.2.ltoreq.S (18.4.degree.) / S (26.7.degree.).ltoreq.1.0;or exhibiting a X-ray diffraction spectrum having the respective half-value widths of diffraction strength of .DELTA..theta.(18.4.degree.) and .DELTA..theta.(26.7.degree.) at 2.theta.=18.4.degree.and 26.7.degree. which satisfy the relationship of{.DELTA..theta.(18.4.degree.).ltoreq.0.8.degree.} and/or{.DELTA..theta.(26.7.degree.).ltoreq.1.degree.}.

Abstract: A conductive laminate comprising a substrate (2), an intermedaite layer (3) provided on the substrate (2) and made of an amorphous metallic or semi-metallic oxide, and a transparent conductive layer (4) provided on the intermediate layer (3) and made of a crystalline metal or metallic oxide. The material of the conductive layer (4) is a member selected from among Au, Pd, Cr, Ni, SnO.sub.2, In.sub.2 O.sub.3, ZnO, TiO.sub.2, CdO, CdO--SnO.sub.2, and ITO. The material of the intermediate layer (3) is a member selected from among SnO.sub.2, ITO, SiO.sub.2 and Al.sub.2 O.sub.3. The thickness of the conductive layer (4) is 200 to 10,000 .ANG.. The thickness of the intermediate layer (3) is 80 to 300 .ANG..

Abstract: An image reading device for reading an image by a solid-state image reading elements (CCDs) being disposed at the image forming point of an optical unit which is integrated with at least an image forming lens, dichroic mirror for separating the color image into plural color components and unit construction parts such as a base, fixing plates, and lens barrel. The image reading elements are fixed to a lens holding member with an attaching plate by using adhesive. The attaching plate has a position adjusting mechanism.

Abstract: A servo system for a removable disk having twice the servo information per disk track. The disk is encoded such that the servo sectors on one surface of the disk are angularly off-set and are located half-way between the servo sectors on the other side of the disk. Once a desired track is located, the disk rotates and the system switches between heads on the two surfaces of the disk to alternately read the servo sectors on both sides of the disk. A demodulator, peak detector, sample/hold device stores the servo information from the previous two servo sectors which were read to produce a position error signal which controls the linear motor to keep the heads on the desired track.

Abstract: An image processing system capable of image enlargement and reduction. Interpolation data is stored in memory in the form of look-up tables for producing image data interpolating between adjacent pixels. The interpolation is carried out based on a selection signal determined in accordance with the designated magnification. The stored interpolation data has a plurality of data tables having distinctive conversion characteristics. A particular data table can be selected in accordance with a property of the original image.

Abstract: A silver halide color photographic light-sensitive material is disclosed. The material is improved in a developing stability, whose red density-green density balance is hardly affected even by change in a developing condition. The photographic material comprises a support and, provided on a side of the support, at least one red-sensitive silver halide emulsion layer and at least one green-sensitive silver halide emulsion layer. The total thickness of the layers provided on the emulsion coated side of the suport, is within the range of from 5 to 18 .mu.m. The red-sensitive emulsion layer contains a cyan-dye forming coupler and a clored cyan-dye forming coupler, and a ratio of the colored cyan-dye forming coupler to the total amount of the cyan-dye forming coupler and the colored cyan-dye forming coupler is within the range of from 15 to 80 mol %.

Abstract: A hanger for hanging a product such as a video cassette for display is disclosed. The hanger is in a form of a flat plate, and comprises a bonding section capable of bonding to a product to be hanged, and a folding section having a hanging means such as a hole and is formed integral with the bonding section. The folding section is capable of turning upward by a predetermined angle with respect to its original state in which the bonding section and the folding section are substantially in the same plane. The hanger can be automatically bonded to the product and does not interfere with the automatic packaging of a number of products into a box due to its flat structure. The folding section is folded upward when the product to be displayed and is hanged by the hanging means on a displaying place.

Abstract: A toner density control method and apparatus of a copying device for copying continuously from a plurality of documents onto recording sheets optically detect the density of a patch image of a reference density plate formed on the surface of a photosensitive drum of the copying device so as to control the toner density. The patch image is formed prior to formation of an image of a first one of a plurality of the documents, the density of the patch image is detected, and a toner replenishment amount during a copying operation of the plurality of documents is maintained constant on the basis of the detected density.

Abstract: A fixation device which comprises a roller comprising a core member, a fluororesin-containing rubber layer on the core member and a fluororesin surface layer. The fluororesin surface layer has a thickness from 2 to 100 .mu.m, preferably 5 to 30 .mu.m, and surrounds and contacts the outside of the rubber layer.