Abstract: An information reproducing apparatus for reproducing recorded data includes a buffer, a control device and a determining device. The buffer stores data blocks read out from a recording medium and includes first and second storage areas having respectively discontinuous storing and read addresses. The apparatus is controlled to execute in parallel a first process for storing the data blocks into the buffer and a second process for reading out the data blocks stored in the buffer to transfer the data blocks to a host apparatus. The determining device determines whether there are data in the first storage area to be transferred to the host apparatus by comparing a storing address in the buffer of the data which are being stored into the first storage area with a read address in the buffer of the data which are being read out from the first storage area. The first process is controlled so that a predetermined data block which has been read out from the recording medium is stored into the second storage area.

Abstract: The present invention relates to an information processing apparatus for effecting information recording and/or reproduction on a recording medium loaded in the apparatus. The information processing apparatus comprises a detector for detecting the temperature of the medium and a medium discharging device for discharging the medium from the apparatus when the temperature detected by the detector exceeds a predetermined value so as to prevent change or loss of information recorded on the medium due to temperature increase of the apparatus. The information processing apparatus may further include a control device for suspending the discharge of the medium even when the detected temperature exceeds a predetermined value in the course of a recording or erasing operation, but discharging the medium in case a next operation is not started within a predetermined time after the end of the above operation.

Abstract: An image processing apparatus has a pixel data input unit, and a processing unit for processing pixel data input from the input unit. The processing unit has a discriminating unit for discriminating an image type of the input pixel data. The discriminating unit has a first discriminator for discriminating the image type of a pixel of interest in a first mode using data of the pixel of interest and pixel data adjacent to the pixel of interest, and a second discriminator for discriminating the image type of the pixel of interest in a second mode different from the first mode. The unit discriminates the image type of the pixel of interest using the discrimination results of the first and second discriminators.

Abstract: A control system suitable for control of an image forming apparatus such as a copying machine having a plurality of objects to be controlled. This system comprises a plurality of control units to individually and independently control those objects to be controlled, a monitor control unit to monitor those control units, and a system bus which is commonly connected to the control units and monitor control unit. The control units time-sharingly and cyclically execute their control operations by time-sharingly occupying the system bus one by one. The monitor control unit operates in parallel with the control units. The control units and monitor control unit are formed on the same semiconductor substrate consisting of, for example, Si or GaAs. The system bus may be a LAN bus or an optical fiber.

Abstract: The board-writing apparatus of the present invention uses an end-having sheet member as a member for writing and indication. The sheet member is received into a receiving portion by one end thereof being taken up and is taken out for use from the receiving portion as required. The image information on the sheet member is read out by the read-out optical system of the apparatus body by the utilization of the movement of the sheet member into and out of the apparatus. The read-out image information is output as image information by a printer integral with or separate from the apparatus.

Abstract: A drive apparatus has a ferroelectric LCD for displaying information, a thermo detector for detecting the temperature of the LCD, a driver for driving the LCD by a drive signal having a pulse width corresponding to an output from the thermo detector, and a computer for controlling the driver. When a plurality of display elements are to be driven, they can be divided into blocks and controlled in accordance with an average temperature of each block.

Abstract: An image forming apparatus comprises an optical system for regenerating an original manuscript; a regenerating member capable of regenerating the original manuscript in different modes; a means for setting the position of the optical system in accordance with respective modes; a detector for detecting information relating to the respective modes from the set position of the optical system, and a control device for controlling the regenerating member in accordance with the detected information by the detector. A protective apparatus is further provided which comprises a process load; a detector for detecting a continuous operation time of the load from the power frequency of an a.c. current supplied to the load, and a control device for controlling the operation of the process load in accordance with the output from the detector. The process load may be a lamp for exposing light on an original manuscript.

Abstract: There is disclosed a novel control system in an electronic apparatus such as a copier, in which intelligent registers are provided in addition to the microprocessor and execute control under predetermined conditions. The microprocessor interferes with the execution of control by the registers only when the conditions become aberrated from the predetermined value, and is therefore used for other tasks.

Abstract: An image processing apparatus has an image reading unit, a two dimensional smoothing circuit, a dither processing circuit, a binarizing circuit, a discriminator, a switch and a printer. A moire suppressed binary signal from the dither processing circuit is supplied to the printer via the switch when the discriminator discriminates a pixel of interest as a dot region. However, when the discriminator discriminates the pixel of interest as a line image region, a binary signal from the binarizing circuit is supplied to the printer via the switch.

Abstract: A control device in an image processing apparatus comprises a central operation processing unit and a plurality of operation control units controlled by the central operation processing unit, controlling a plurality of process means of the image processing apparatus and operating in parallel. Timer means for measuring the time for determining the control timing of the process means is provided in each of the plurality of operation control units.

Abstract: A sequence in the control apparatus of a copy machine performs sequence timing control of electronic equipment in a predetermined order and includes a counter for counting timing pulses received from an external device. A comparison register is included in the controller for comparing a count of the counter with data stored in a memory. The controller may also include a means for designating a channel in correspondence with a control object or a means for designating a channel in accordance with a program preset during the initialization of the equipment. Comparison data may be provided as a ROM code and transmitted to a data area in accordance with the control object preset at initialization so as to be selectively used.

Abstract: An image processing apparatus comprises image output means for outputting image information for each one line, a plurality of image processing means for divisionally receiving the image information of one line as an input and parallel-processing the image information, and converting means for converting the result of the processing of the image processing means from parallel into series.

Abstract: There is provided an image forming apparatus comprising: a readout sensor for reading out an original which is illuminated by a light source; a converter for converting image information which is read out by the readout sensor to a binary signal; printing heads for recording the image information on a recording paper in response to an output of the converter; and a driver for relatively carrying the readout sensor with regard to the original or recording paper. A plurality of sets of those readout sensors, converters and printing heads are arranged in a line on the same substrate. An amount of scan movement of this apparatus is detected and the driving operations of the light source and the image readout sensor or printing head are synchronized for every unit moving amount, so that occurrence of variation in concentration of the reproduced image and a risk of fire can be prevented. Also, a remarkable energy saving effect can be obtained in case of driving the apparatus by a battery.

Abstract: An image processing apparatus comprises a first discriminator for discriminating an image status of each of a plurality of blocks of an input video data, and a second discriminator for discriminating the image status of the block under consideration based on the image status of the adjacent block. A processing method for the block under consideration is selected in accordance with the outputs from the first and second discriminators.

Abstract: A drive motor (3) for a photoconductive belt (1) is energized for continuous rotation and connected to the belt (1) through a clutch. The clutch is disengaged and the belt (1) held stationary while an electrostatic image of an original document is formed on the belt (1). Then, the clutch is engaged and the belt (1) driven for developing the electrostatic image into a toner image and transferring and fixing the toner image to a copy sheet. The motor (3) also drives a pulse generator (18) which produces timing pulses. The timing pulses are counted by a counter. A control unit (E19) such as a microcomputer (19) controls the operation of the apparatus in accordance with predetermined counts in the counter. Marks (15.sub.1), (15.sub.2) are provided on the belt (1) in spaced relation. A compensation unit senses the number of timing pulses counted by the counter between sensing of the marks (15.sub.1), (15.sub.2).