Abstract: This invention provides an image processing system comprising devices for producing image signals by scanning an original image, process units for generating video signals by processing the image signals, detector for detecting the coordinates of the original image and controller for storing the coordinate signals from the detecting means and for controlling the process units according to thus stored signals.

Abstract: A color image reading apparatus includes a plurality of line sensors which have different color filters and each of which has a plurality of light receiving elements. One of the plurality of line sensors (for the color blue) has an opening width larger than those of the remaining line sensors. The apparatus also includes a correcting unit such as an edge emphasis circuit for correcting image signals output from the line sensors so as to obtain identical resolutions of the image signals, and a processing unit such as a masking circuit for performing color processing of the image signals corrected by the correcting unit.

Abstract: An image processing apparatus capable of various image processings with a simple circuit structure is disclosed. Corresponding to input image data of plural pixels, there are generated process data representing plural image process conditions, and the input image data are processed according to the process data.

Abstract: An image processing apparatus including a plurality of process devices for processing an image. A first control device is provided for controlling at least a first one of the plural process devices in accordance with a control program for an image process, and a second control device is provided for controlling at least a second one of the plural process devices in accordance with the control program. Furthermore, a reset device is provided for detecting a failure of the first and second control device in accordance with an output from one of the two control devices and for resetting both of those two devices.

Abstract: An image scanning apparatus has a reciprocating member for scanning a document, a first motor for driving the reciprocating member, a first detection circuit for detecting the speed of the first motor, a first control circuit associated with the detection circuit for rotating the motor at a speed to scan the document at a speed determined by a magnification factor, a recording medium, a second motor for driving the recording medium, a second detection circuit for detecting the speed of the second motor and a second control circuit associated with the second detection circuit for rotating the second motor at a speed determined by the magnification factor.

Abstract: An image processing apparatus or system with enhanced half tone expression in a reproduced image and capable of preventing deterioration in reproducibility of characters and letters to be reproduced, which is constructed with an image signal input unit, half a tone expressing unit for processing the input image signal from the image signal input unit and expressing a plurality of half tones on the basis of dither patterns, and a unit for further processing of the half tones with respect to each of the outputs from the half tone expressing means, and forming half tone outputs. Recording signals having different respective pulse widths corresponding respectively to respective plural dither process units may be output, such plural dither process units serving to provide continuity of dither processing at a junction of line sensors or the like.

Abstract: There is disclosed an image processing system for processing image data obtained from two image sensors such as CCD's, in which the threshold value for binary encoding is varied in the case of reading a sample marker for splicing the image data from two CCD's, thus enabling secure reading of the sample marker and ensuring smooth connection of the image data.

Abstract: An image processing apparatus having an input unit for entering image information, a setting unit for setting the processing conditions for processing the image information entered from the input unit, and a processor for processing the image information entered from the input unit according to certain processing conditions, wherein the setting unit is adapted to set numerical data included in the processing conditions in the form of variables.

Abstract: An image formation apparatus includes an input device that is used to enter a desired magnification factor for the image to be formed by the apparatus. If the apparatus is a copying apparatus, the input device can also be used to select the desired number of copies. The apparatus has a display device that displays to an operator the magnification factor. Control circuitry ensures that the display device shows the desired magnification factor.

Abstract: An image forming apparatus capable of accurate recording of input image information through a real-time image processing. It is also capable of simultaneously driving plural recording units, and of avoiding distortion in the recorded image even when the recording unit is not synchronized with the input information. These features are attained by the use of plural memories successively selected for image signal recording and for signal read-out, wherein at least one of the memories has no access while others are used for signal write-in and read-out.

Abstract: A copying apparatus includes a carriage on which an original document may be placed, a scanner for scanning the image of an original document placed on the carriage, a memory for storing the original image scanned by the scanner in a state of a group of pixels, a copy mode input device for determining the type of conversion to be used to form a copy image on a copy material in a relationship either faithful to or different from the image of the original document, a first control for controlling the pixel data readout from the memory in response to the input signal from the mode input device for effecting image conversion, a second control for controlling the readout function of the first control in case the image converted by the first control means overflows from the appropriate copying area for producing the image in predetermined position on the copy material, and an image forming device for forming the image on the predetermined position of the copy material in response to the readout data thus controlled

Abstract: A copying apparatus having a lens position control device capable of setting the copying lens in plural positions for obtaining plural image magnification ratios. The lens position is determined by a control device in response to signals from a lens position detector and pulse signals from a pulse signal generator.

Abstract: An image forming apparatus such as a copying machine has a memory for storing a signal corresponding to the amount of movement of a paper feed roll. The paper is fed to an image forming station and a controller is provided for moving the paper feed roll to a predetermined rotation position when the operation of the apparatus is suspended by detection of a jam.

Abstract: There is disclosed a display device for a copier, such display unit being provided with a display generator which generates signals at a determined time interval. A microcomputer is provided with a program interruption port for receiving the signal from the signal generator and performs dynamic drive of the display unit by the signal. The dynamic display control is achieved by interruption signals externally supplied at a determined time interval to the computer. Therefore, a constant display drive timing is maintained regardless of the execution time of the main program and an ensured dynamic display control without flicker in display is obtained.

Abstract: An image formation apparatus includes a processing station for forming an image on a recording medium, input device for setting the density of the image formed on the recording medium to a desired value; a controller for controlling the power supplied to the process station in response to the input device setting to form the image of the desired density set by the input device; and a range-shifter for shifting the range of the power controllable by the controller to maintain the density substantially constant.