Abstract: A multi-color image reading device is described in which plural photoelectric converting means convert the light beam from an original color image into electrical color separation signals, a color identification means produces plural color signals corresponding to colors of the multi-color image according to the plural color separation signals, and correcting means utilizes a particular color signal for correcting other color signals.

Abstract: An improved method and device for detecting a position of a mark formed on an object, by providing plural peaks in an image density distribution, wherein the image of the object having the mark is picked up to provide an image signal which in turn is processed to provide an integrated image-density distribution of the image in a predetermined direction and wherein the position of the mark is detected on the basis of the plural peaks in the integrated image-density distribution.

Abstract: An alignment and exposure apparatus in which sequential operations of pattern projection for projecting a pattern of a first object, at a reduced ratio, onto a second object through an optical system, stepwise movement for moving the second object stepwise relative to the first object, detection for detecting any positional deviation between the first and second objects at a position at which the stepwise movement of the second object is terminated, and correction for correcting the positional relation between the first and second objects on the basis of the detected positional deviation, are repeated relative to the second object to thereby print the patterns onto the second object in a reduced scale.

Abstract: A position detecting device including a photodetector having a plurality of light-receiving sections. For the position detection, an appropriate one or ones of the light-receiving sections are selectable, whereby an alignment accuracy and an alignment speed relative to two objects having alignment marks.

Abstract: A mask aligner includes a photo-mask having a plurality of first marks used to align the photo-mask with a wafer and a plurality of second marks used to align the photo-mask with the mask aligner, the number of the second marks being equal to that of the first marks; a wafer having a plurality of third marks associated with the first marks; a mark providing section having a plurality of fourth marks associated with the second marks; and a detector for detecting an error in alignment between the first and third marks and also an error in alignment between the second and fourth marks, the detector including a plurality of sensors for sensing various marks in different positions, a basic form produced when the first and third marks are placed one above another being substantially the same as that produced when the second and fourth marks are placed one above another.

Abstract: A measurement apparatus, includes a detector for detecting marks of plural objects to produce a series of signals; a peak detector for detecting peak values of the signals; a device for determining a slice level for each of the peak values detected by the peak detector; and a comparator for sequentially comparing the signals with respective slice levels determined by the slice level determining device and determining an interval between the marks on the basis of the comparison.

Abstract: A system for controlling drive of a movable member for carrying a workpiece such as a semiconductor wafer, the system including a first servo control system effective to move the workpiece carrying member at a relatively high speed and with a relatively low positional accuracy for stoppage of the workpiece carrying member, a second servo control system effective to move the workpiece carrying member at a relatively low speed and with a relatively high positional accuracy for the stoppage of the workpiece carrying member, and a system for selecting one of or a combination of the first and second servo control system in accordance with a positional accuracy required with respect to a target position of the workpiece carrying member.

Abstract: A device for detecting a position of an object including apparatus for producing a light beam, apparatus for scanningly deflecting the light beam with respect to the object, apparatus for sensing an image of the object resulting from the scan and accumulating information therefrom as an electric signal, apparatus for outputting the signal from the sensing and accumulating apparatus when the scan is complete, and apparatus for detecting the position of the object on the basis of the signal output from the sensing and accumulating apparatus.

Abstract: A mask aligner for aligning a wafer with a mask and exposing the wafer to an image of the mask, includes an illumination source for illuminating the mask, plural devices for executing plural functions of the aligner, a controller for controlling operation of the apparatus in accordance with a predetermined routine, a detector for automatically detecting a malfunction, a memory of plural routines for disposing of one kind of malfunction; a selector for manually selecting one of the routines; and another controller for controlling the apparatus in accordance with the selected routine, when the detector detects a malfunction.

Abstract: An image processing apparatus has CCDs for reading image data of an original, an edge detector for detecting edges of an area specified on the original with a loop or marks of a specific color, an area detector for detecting the specified area, memories for storing the image data read by the CCDs, and a data selector and a data switching circuit for selecting the image data read by one of the CCDs which is to be supplied to an inkjet head for recording. For preventing contamination of the original, the loop or marks can be drawn on the original through an original cover including a transparent or semitransparent sheet member facing the image of the original. Images inside and outside the area or areas can be selectively reproduced in various combinations of the normal mode, red output modes involving different types of color conversion, and extinguishing mode. Image data from another source which is stored in another memory can be inserted at a desired part of the reproduced copy.

Abstract: An image recording system comprises a plurality of image recording units that can selectively be driven to achieve most efficient operation. For example, the system may also include an input unit for entering image information and a control unit for selectively supplying image information entered by the input unit to at least one of the image recording units. In this case, the input unit further includes a display for indicating an operating condition of each of the recording units. As another example, the system may include a plurality of input units and a control device for detecting, during recording by all of the recording units, a new recording requirement and designating at least one of the recording units to interrupt its current recording operation and fulfill the new recording requirement.

Abstract: A printing apparatus has at least one first recording head and at least one second recording head. These recording heads allow recording in binary mode, halftone mode, normal mode, and fine mode. A printing system has at least two recording units. One recording unit has a plurality of recording heads for recording in yellow, cyan and magenta, and the other recording unit has a recording head for recording in black. Upon a signal scanning operation, the printing system is capable of printing a plurality of copies at high speed and with good quality. A change in size of the original does not result in a problem since the apparatus is capable of feeding a recording paper sheet of corresponding size or printing only for a desired length.

Abstract: This invention discloses a recording apparatus having at least transistors, gates and a latch circuit for driving plural heating elements, and also discloses a recording head in which a conductive member is connected electrically to heating elements.

Abstract: Disclosed is an original reading apparatus in which the image of an original illuminated by a lamp is formed on each of a plurality of image pick-up elements through an imaging lens and image information of different colors is converted into electrical signals by the image pick-up elements and wherein a beam splitter reflecting part of the light from the original and transmitting part of said light therethrough is provided in the imaging lens so that the reflected light and transmitted light are received by the image pick-up elements.

Abstract: An image recording apparatus of the invention has a number of recording units for recording image data of the same or different colors on one or more recording media; a counter to set the number of copies to be produced; and a switch device which selects the recording units to be used in a current recording operation according to the number of copies to be produced and statuses of the respective recording units. A number of copies can be produced simultaneously by the recording units within a period of time shorter than a period of time required for sequentially recording the same number of copies. Dichromatic or polychromatic recording may be freely selected or combined with monochromatic recording by selecting feed paths and an auxiliary path for guiding the recording paper sheet.

Abstract: There is an image recording device for obtaining a multi-color recorded image by means of a plurality of recording heads for different colors. The image recording device is constructed with a color signal forming device to form, by scanning an original image, a plurality of electrical color signals corresponding to a plurality of mutually different colors, a plurality of recording members to perform recording on a recording medium with colors corresponding to the plurality of colors, and selection device to select whether the color signals are to be applied to a recording member in colors corresponding to those of the color signals, or they are to be applied to a recording member in colors not corresponding to those of the color signals.

Abstract: This invention provides a method of and apparatus for emitting a droplet from an orifice by generating a bubble in a small liquid chamber in response to a droplet generating instruction. The method and apparatus are particularly characterized having gradual contraction of the bubble to prevent excessive recession of the orifice in the liquid chamber which recession would hinder subsequent droplet generation.For achieving the above-mentioned functions the droplet generating apparatus, or the droplet emitting head, is provided with a structure which allows effective generation and annihilation of the bubble. The present invention also provides a novel apparatus having emission heads in a staggered block arrangement for improving alignment density of the devices and elements and time-division drive circuitry.

Abstract: A recording apparatus includes a stationary suction member having a number of openings disposed opposite to recording device. Through the openings a suction force is applied to a recording paper to keep the paper in close contact with the stationary suction member for flat registration. Thereby, the flatness of the recording paper at the recording station is attained and the distance between recording means and recording paper is maintained constant.

Abstract: A photoelectric converter in solid-state assembly, comprising the following sections formed on the same substrate: a photoelectric converting section constituted of a number of photoelectric converting elements arranged in an array, each element having a light-receiving surface for input of light-information; and a signal processing circuit section comprising a number of accumulating means, each provided for each of said photoelectric converting elements, for accumulation of signals produced as output from the corresponding photoelectric converting elements, a number of transfer means for transferring the signals accumulated in the corresponding accumulating means to other places, and an array of a number of transistors wired in a two-dimensional matrix to drive a number of the transfer means in time series, said photoelectric converting elements, and the transfer means and the transistors constituting said signal processing circuit section being constituted of thin semi-conductor films.

Abstract: A photoelectric converter in solid-state assembly, comprising the following sections juxtaposed integrally on the same substrate: a photoelectric converting section constituted of a number of photoelectric converting elements arranged in an array, each element having a light-receiving surface for input of light-information; a charge accumulating section constituted of a number of accumulating means, each being provided for each of said photoelectric converting elements, for accumulation of charge signals photoelectrically converted by corresponding photoelectric converting elements; a transistor section for transfer constituted of a number of transistors for transfer, each being provided for each of said accumulating means, to perform a switching operation for transfer of the signals accumulated in corresponding accumulating means; and a BBD transfer section for outputting the signals transferred from each of said accumulating means by arrangement in time series thereof; said BBD section being constituted of