Abstract: An image forming apparatus includes an image bearing member, image forming station for forming a latent image on the image bearing member, a conveying passage extending toward the image bearing member to guide a developing device, a first moving mechanism for engaging with the developing device in the conveying passage and moving it in a substantially horizontal plane, wherein the image bearing member, the latent image forming station, the conveying passage and the first moving mechanism are provided in a main body of the image forming apparatus, a device for accommodating a plurality of developing devices.

Abstract: A direct positive color image forming method which comprises processing an imagewise exposed photographic light-sensitive material with a surface color developing solution containing an aromatic primary amine color developing agent, after fogging treatment and/or during fogging treatment, wherein the photographic light-sensitive material comprises a support having thereon at least one internal latent image type silver halide emulsion layer that has not been previously fogged, a color image forming coupler, colloidal silver, and at least one compound represented by general formula (II): ##STR1## wherein Z represents an atomic group necessary for completing a 5-membered or 6-membered nitrogen-containing heterocyclic ring; D and D', which may be the same or different, each individually represents an atomic group necessary for completing an acidic nucleus and D and D' may be bonded to each other to form a cyclic structure; R.sup.

Abstract: An automatic original feeding apparatus has a coordinates position detecting device provided with a supporting table for supporting thereon a sheet original of which the area during image formation is to be designated, a conveying device for directing the inserted sheet original to a predetermined position, and a feed device provided upstream of the conveying device and responsive to the termination of the area designation to change over to a feeding position and feed the sheet original on the supporting table to the conveying device.

Abstract: An anti-skid braking control system for use on a motor vehicle having first and second wheels includes first and second wheel cylinders for braking the first and second wheels, respectively, with a braking medium pressure transmitted from a master cylinder, first and second solenoid-operated valves disposed in pipes interconnecting the master cylinder and the first and second wheel cylinders, respectively, for selectively providing communication between the master cylinder and the first and second wheel cylinders through the pipes, and first and second pumps connected to the pipes, respectively, for delivering a braking medium from portions of the pipes downstream of the valves to portions of the pipes upstream of the valves.

Abstract: An image sensor includes a charge transfer device such as CCD and BBD which is utilized as a switching element for reading signals.In the case where the charge transfer device is formed on a P-type semiconductor substrate, electric potential of the P-type semiconductor substrate is set to be equal to or less than that of the bias voltage (which is negative value) applied to the photoelectric conversion elements. On the other hand, if the charge transfer device is formed on an N-type semiconductor substrate, electric potential of the N-type semiconductor substrate is set to be equal to or higher than that of the bias voltage (which is positive value) applied to the photoelelctric conversion elements.

Abstract: For incorporation of substantially water-insoluble photographic additives such as couplers into hydrophilic organic colloid layers of silver halide photographic materials, a phthalic acid ester of a formula (I): ##STR1## where R.sub.1 and R.sub.2 may be same or different and each represents a branched alkyl group having no more than 7 carbon atoms, is used so that said additives can effectively be dispersed in the colloid layers. Accordingly, the solubility and dispersibility of the additives is improved; the long-term stability of the additive dispersion is improved, and further and latent image storability and color-forming properties of the photographic material are also improved over the prior art photographic materials.

Abstract: An image forming apparatus includes sheet accommodating cassette for accommodating sheets, a device for forming images on the sheets, a first sheet conveying passage for conveying the sheet to the image forming device from the sheet accommodating cassette, a conveyor for accommodating a bundle of sheets having been subjected to an image forming operation by the image forming means at first sides thereof in a form in which leading edges of the sheets are gradually deviated in a sheet advancement direction, and for conveying the bundle as a whole, a feeder, disposed downstream of the conveyor with respect to the sheet advancement direction, for feeding one by one the sheets of the bundle from the sheet closest to the feeder, a second sheet conveying passage merging into the first passage for refeeding to the image forming device the sheets fed by the feeder, and a confining device for confining the sheets of the bundle other than the sheet being fed by the feeder.

Abstract: A document feeding apparatus comprising a first original supporting device on which an original is placed, an original inlet port for receiving the original placed on the first original supporting device, a conveying device for guiding the original fed from the inlet port to a predetermined position and exhausting the original from the predetermined position, and a second original supporting device mounted on a housing of the document feeding apparatus and having an image area designation device for designating an image area of the original. In an image area designation mode of the apparatus, the original is placed on the image area designation device, a desired image area is designated, and the original is placed on the first original supporting device and is guided to the predetermined position through the inlet port.

Abstract: A compact and dense hybrid integrated circuit device which can be encapsulated by transfer molding can be manufactured by forming through holes in a ceramic or glass substrate, which through holes have a diameter of less than 0.2 mm, preferably less than 0.1 mm, a thin film circuit element being formed on one surface of the substrate, and a thin or thick film circuit element being formed on the other surface of the substrate. A fine through hole as mentioned above can be formed by laser drilling, etc., and plating.

Abstract: An image forming apparatus includes an image forming station for forming an image on a sheet; a rotatable member for transferring the sheet in a first direction toward the image forming station; supporting device for supporting the rotatable member for displacement in a second direction which crosses the first direction; driving device for displacing the rotatable member in the second direction to correct deviation of the sheet in the second direction; and inlet guide for guiding the sheet to the rotatable member, the guide being displaceable in the second direction together with the rotatable member.

Abstract: An image forming apparatus capable of reproducing in different colors a plurality of image areas selected from a plurality of different originals on a single copy sheet.

Abstract: Image signals of an original is obtained from a plurality of image sensors and are successively supplied to an output terminal. A switching element is provided for resetting the previous image signal, which adversely causes to produce noises. An image sensor driving device according to the invention is to cancel the noises by the provision of a noise accumulating circuit and a subtracting circuit for subtracting the noises as accumulated in the noise accumulating circuit from the image signal on which the noises are superimposed.

Abstract: An image forming apparatus includes an image forming station for conveying a sheet material along a lateral reference position and for forming an image on the sheet material; refeeding device for refeeding to the image forming station the sheet material on which the image has been formed in the image forming station; means, provided in the sheet refeeding means, for shifting the sheet material in the lateral direction from the lateral reference position by a predetermined amount, wherein the amount of the shift is predetermined on the basis of a change in a lateral dimension of the sheet material resulting from an image forming operation in the image station.

Abstract: A contact type image sensor comprises a photoconductive layer sandwiched between a first electrically conductive layer and a plurality of second separate electrodes to form a plurality of light receiving elements comprising a plurality of buffer amplifiers each connected to corresponding one of the plurality of light receiving elements for respectively outputting a voltage whose value corresponds to electric charge stored in the corresponding light receiving elements, switching means for gating the outputs of the buffer amplifiers, and control means for controlling the switching means to lead the outputs of the buffer amplifiers to a signal output line sequentially.

Abstract: An image forming apparatus capable of effecting plural image forming operations on one transfer sheet includes an image transfer device for transferring an image on the transfer sheet, an image magnification changing mechanism for changing the magnification of the image to be transferred onto the transfer sheet, and a control device for controlling the magnification changing mechanism in accordance with deformation of the transfer sheet caused by an image forming operation on the transfer sheet, after a first image is formed on the transfer sheet and before a second image is formed on the same transfer sheet, whereby those images are correctly registered.

Abstract: A sheet stacking device and an image forming apparatus provided with the sheet stacking device. The sheet stacking device has a sheet sorting function, and in addition, sheet re-feeding function so as to make it possible to produce a duplex copy or superimposed copy. It is further possible to use the sorter portion as a sheet feeding facility.

Abstract: An image forming apparatus such as a copying apparatus and a laser beam printer, is capable of forming a superimposed image or duplex image on one sheet. The sheet which has been once subjected to the image forming operation and which is going to be subjected to another image forming operation is reintroduced into the image forming station selectively through a flow-through sheet passage or through an intermediate tray on which the transfer sheets are once stacked. A displaceable flapper is provided to direct the sheet selectively to the flow-through passage or to the intermediate tray.

Abstract: An electronic device of the element row type, and a wiring method of its electrode pattern, is characterized by the disposition of a plurality of the elements being arranged in a longitudinal array which is divided into a plurality of blocks. A pair of driver devices are employed to drive the elements, and wiring patterns interconnect the elements to the driver devices. In accordance with the present invention, the wiring patterns include first portions which extend in a direction perpendicular to the longitudinal extent of the element array, and second portions which extend parallel to the longitudinal extent of the element array, with the parallel portions defining substantially the same width dimension regions, and wherein further, such width regions are overlapped with respect to each other such that the overall width of the wiring pattern for the electronic device may be substantially reduced as compared to those of prior art devices whereby miniaturization of the electronic device may be achieved.

Abstract: An image forming apparatus includes a plurality of the developing devices for developing the latent image formed on an image bearing member. The plural developing devices are each movable between its developing position for developing the latent image on the image bearing member and its retracted position away from the image bearing member. The image forming apparatus includes a shutter for selectively opening and closing the developing aperture of the developing device of one of the developing devices. The shutter opens and closes the developing aperture of said one of the developing devices in association with movement of the other developing device between the developing position and the retracted position.

Abstract: In a sandwich type image sensor having a photoelectric converting portion comprising a photoelectric conductive layer interposed between an upper electrode and a lower electrode, a light-shielding means is provided for selectively covering an end portion of the photoelectric conductive layer so as to be excluded from a light-receiving area of the converting portion. Alternatively, an insulating layer partly blocking the contact between the photoelectric conductive layer and the lower electrode is provided for effectively defining the light-receiving area of the converting portion. In an example where the photoelectric is divided so that it is operable as those of a plurality of sensor elements arranged in a row, a light-shielding means is provided for defining light-receiving areas of the sensor elements, while overlapping areas of the upper and lower electrodes are adjusted for equalizing the stray capacitances of the sensor elements inclusive of their connecting portions.