Abstract: An image display apparatus according to the present invention includes an image data memory for storing image data to be displayed, an image plane for displaying an image, a low resolution image display unit for displaying an image based on image data on the image plane with low resolution, a mouse for designating a position in a particular region in the image plane, and a high resolution image display unit for displaying an image based on image data of the particular region designated by the mouse on the image plane with high resolution of a resolution level higher than the resolution level of the low resolution.

Abstract: A copying machine having an original feeding unit for feeding originals onto a platen glass which is operable in a two-original feeding mode where two originals are placed side by side in a particular position on the platen glass, and a sheet handling unit which is operable in a binding mode where copy sheets which copied images are bound. When the two-original feeding mode is selected, a selection of the binding mode is inhibited. When the two-original feeding mode is selected after the binding mode was selected, a warning is generated to inform that the sheet handling unit becomes impossible to be operated in the binding mode. When a copying operation is started without in spite of the generation of the warning, the binding mode is canceled.

Abstract: A route making system calculates a route for a mobile robot based on input area information including an attribute of each area. The mobile robot travels along the calculated route and carries out work proper for the attribute of each area while traveling. A mobile robot control system controls traveling and work of a mobile robot based on input area information. The mobile robot carries out work proper for the attribute of each area.

Abstract: Disclosed is an image processing apparatus by which a first image corresponding to first image information and a second image corresponding to second image information are superimposed one on the top of the other, the apparatus having a scanning device for scanning a document line by line to output the first image information; a composing device for composing the first and second image information so that the first and second images are superimposed one on the top of the other; a detecting device for detecting changes of the scanning speed in a direction perpendicular to the lines; and a controlling device for so controlling the composing device that the relative position of the second and first images in the direction are adjusted line by line in accordance with the results detected.

Abstract: A camera is provided with a varifocal lens including a zoom lens system driven by a motor and by a zoom lens drive control section and a focusing lens system driven by a motor and by a focusing lens drive control section for performing focusing before the zoom lens system is driven or while the zoom lens system is being driven. The camera is also provided with a lens switch sensor for determining whether an operation member for starting an exposure operation has been operated or not and a body control section and a lens control section for halting the driving of the zoom lens system when it is determined that the operation member has been operated by the sensor to re-start the driving of the focusing lens system.

Abstract: An image forming apparatus includes a photosensitive member, a developing unit which is removably installed in a body of the image forming apparatus, a shutter covering a developing region of the photosensitive member when the developing unit is removed from the body of the image forming apparatus and a cleaning member capable of cleaning the surface of the photosensitive member in accordance with rotation of the photosensitive member by making contact with the photosensitive member in conjunction with the shutter covering operation, but which does not contact the photosensitive member when the shutter is open. During a control operation, foreign matter such as used developer adhered to the photosensitive member is removed when the photosensitive member is rotated with the shutter closed.

Abstract: In an operation for transporting a sheet by a first roller to a second roller pair downstream of the first roller, and further transporting the sheet by the second roller pair, the time during which the sheet is transported by the first roller is controlled, responsive to a comparison of a reference time and the actual time required for a sheet to be transported from the first roller to a predetermined position in the sheet transport path, to suppress disadvantages such as jamming and deformation into a Z-form, which may be caused by reduction of a transporting performance due to wear of the rollers and adhesion of paper powder to the rollers.

Abstract: A printer control unit carries out a predetermined calculation based on the amount of adhering toner detected by an AIDC sensor and the surface potential of a photoconductor detected by a V sensor to correct the light emission intensity of a light source to prepare light emission characteristic data for .gamma. correction to obtain an optimal image. A .gamma. correcting unit corrects an image signal output from an image signal processing unit using the calculated light emission characteristic data for .gamma. correction to control the light source to emit light based on the corrected data. More specifically, since the .gamma. correction data is obtained by calculation, optimal .gamma. correction can always be carried out without a memory of a large capacity.

Abstract: A document reading device comprises a plurality of distance sensors, an original document size detection board, and a main unit control board. The plurality of distance sensors measure distance as for each certain position of an original document table. The original document size detection board comprises an EEPROM for storing a threshold value and an original document size detection CPU 1 for implementing a program for original document size detection. The original document size detection board judges the presence or the absence of an original document at each preset position of an original document table by comparing each threshold value from the plurality of distance sensors with the threshold value, detects the size of an original document according to the judging result from the original document size detection board, and outputs data indicative of the detected original document size. The main unit control CPU 2 implements a program for original document reading control.

Abstract: A flash photographing system includes a first firing device operable to fire a first flash light effective for photography of the camera device; a second firing device operable to fire a second flash light ineffective for photography of the camera device, the second firing device having two different emission modes; and a changer operable to change over the two emission modes of the second firing device. The emission modes are changed over in accordance with selection of macro or portrait photography mode. The second flash light consists of intermittently emitted flash lights. The emission modes of the second flash light are different from each other in aspect of the light amount, emitting frequency, number of emitting times, or emitting time.

Abstract: A liquid developer for developing an electrostatic latent image having a carrier fluid and electrically charged toner particles dispersed therein, wherein the liquid developer satisfies the following relationship:25.0.gtoreq.V.sub.0 /.DELTA.V.sub.10 .gtoreq.1.5wherein V.sub.0 denotes surface potential of a toner particle layer electrically deposited on a conductive substrate by applying bias voltage between the substrate and an electrode confronting with the substrate, and .DELTA.V.sub.10 denotes change of the surface potential decaying for 10 seconds after shutting off the bias voltage.

Abstract: Light source 1 is mounted to camera body 10 via supporting member 2. The image from optical system 11 is recorded on the film inside photo-taking frame 12. The light beam from the light source is recorded in an area outside the photo-taking frame as its brightness or wavelength or both are made to change over time. Image processing is conducted at the time of development based on this recorded data in the area outside the photo-taking frame so that the information pertaining to shaking may be canceled out.

Abstract: A carrier for developing electrostatic latent image includes a ferrite core particle which contains MnO and 0.5 to 4 molar percent of CaO, and a resin coating layer formed on the core particle.

Abstract: A carrier for electrostatic latent image developing for use in methods of developing an electrostatic latent image formed on the surface of a latent image-bearing member by transporting a developer comprising a toner and a carrier via the rotation of a developing sleeve having a built in stationary magnet roller, the carrier for electrostatic latent image developing including magnetic powder dispersed in a binder resin and having a saturation magnetization of about 50 to about 80 emu/g, residual magnetization of about 3 to about 10 emu/g, and coercive force of about 20 to about 50 oersted.

Abstract: An image forming apparatus includes a charging rotary brush in contact with a photosensitive member, a laser beam irradiator to form an electrostatic latent image, a developing unit for developing the latent image into a visible image and collecting residual developer remaining on the surface of the photosensitive member after the visual image is transferred to a transfer material, and a power source unit for applying to the charging rotary brush an oscillating voltage fulfilling the requirement of:.DELTA.t<L/Vpc or .DELTA.t>3.times.L/Vpcwherein .DELTA.t is the time taken for the oscillating voltage to vary between .+-.300 V above and below the central oscillating voltage value between the peaks of the voltage, L is the printing pitch, and Vpc is the speed of movement of the surface of the photosensitive member.

Abstract: A regenerating apparatus for removing a printing material from a recording medium so as to reuse the recording medium includes a container, a container for accommodating a liquid for swelling the printing material; a guide member for guiding the recording medium, part of which is arranged in the liquid; a rotatable transporting roller for transporting the recording medium along the guide member, so that the printing material on the recording medium is immersed in the liquid; a rotatable transferring roller disposed near the guide member so as to be in contact at a circumferential surface thereof with the recording medium and receive the printing material swollen by the liquid from the recording medium. The surface of the transferring roller is formed with at least one of the materials selected from polyolefin resin, polyester resin, nitrogen containing resin, sulfur containing resin, fluororesin, silicon resin, polyacetal resin, epoxy resin, polyether ether ketone resin, and phenol resin.

Abstract: A developing method for developing an electrostatic latent image at a developing region includes preparing a developer containing toner particles and carrier particles which has an inherent resistance value of 1.times.10.sup.7 .about.1.times.10.sup.12 .OMEGA.ocm under an electric field of 500V/mm, magnetic force of 600.about.2300 G, and a mean particle size of 10.about.30 .mu.m; regulating a quantity of the prepared developer on a developer transporter within a range of 0.7.about.5.0 mg/cm.sup.2 ; transporting the regulated developer to the developing region; and applying an alternating current voltage between the developing region and the electrostatic latent image to generate an oscillating electric field therebetween in order to supply the transported developer to the electrostatic latent image.

Abstract: A sheet supply device supplying sheets from a magazine thereof to an image forming apparatus and a mechanism for setting the magazine to a body of the image forming apparatus. The magazine storing stacked sheets is provided with reinforcing members which are disposed at side walls of the magazine to form convex portions relative thereto so as to reinforce the side walls and regulate the position of the stacked sheets in a sheet width direction. A projecting portion having an inclined surface is provided in either the magazine or a receiving portion in the image forming apparatus body to which the magazine is set. When the magazine is slid on an upper surface of the receiving portion for being set to the image forming apparatus body, a leading end of the magazine in a magazine setting direction is lifted by use of the inclined surface of the projecting portion so as to be accurately and smoothly set to the body.

Abstract: An image forming apparatus with a solid-state scanning optical print head reproduces tones by an intensity modulation method, corrects light dispersion of each element by a pulse modulation method, and corrects fluctuations in sensitivity characteristics of a photosensitive member by switching the drive current value of maximum light exposure.

Abstract: An automatic focusing camera has a selective night view mode of photographing a scene where the brightness of a main object is lower than the brightness of a background and the brightness of the whole scene is lower than a specified value, and includes an auxiliary light emitter operable to emit an auxiliary light to the main object for focusing; a first determinator operable to determine whether an auxiliary light is necessary in the night view mode; and a controller in responsive to the first determinator to render the auxiliary light emitter emit an auxiliary light.