Patents Assigned to Rocoh Research Institute of General Electronics
  • Contact type image sensor
    Patent number: 5027226
    Abstract: A contact type image sensor has a driving circuit part which sequentially drives a plurality of photoelectric conversion elements of a photodetector in blocks which respectively have an arbitrary number of photoelectric conversion elements. The driving circuit part has a pair of shift registers, one for sequentially selecting the block and the other for sequentially selecting each of the photoelectric conversion elements within the selected block.
    Type: Grant
    Filed: September 16, 1988
    Date of Patent: June 25, 1991
    Assignees: Ricoh Company, Ltd., Rocoh Research Institute of General Electronics
    Inventors: Takehito Nagata, Mitsuhiro Kohata, Masumitsu Ino