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Multielement Self-Scanned Mosaic Sensors

  • P. K. Weimer
  • W. S. Pike
  • G. Sadasiv
  • F. V. Shallcross
  • L. Meray-Horvath
Part of the Optical Physics and Engineering book series (OPEG)

Abstract

Advances in the fabrication of photosensitive elements and integrated circuits have led to significant progress in the development of self-scanned image sensors1 which produce a video signal without the help of an electron beam. Figure 1 shows the principal parts of a common form of solid-state image sensor. It consists of an array of photosensitive elements, each located at the intersection of mutually perpendicular address strips, which are connected to scan generators and video coupling circuits. The application of sequential scan pulses to the address strips permits an image to be scanned, and a video signal to be produced similar to that generated by a television camera tube. To obtain image detail comparable to broadcast television, however, it is apparent that the array must contain hundreds of thousands of picture elements. While these objectives have not yet been reached, recent progress indicates that self-scanned arrays must be considered as an eventual replacement for camera tubes in some applications. A more immediate and less demanding use for such sensors is in character-recognition devices,2 or in optical readers3 for computers or as aides for the blind.4

Keywords

Image Sensor Video Signal Charge Storage Video Output Picture Element 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1971

Authors and Affiliations

  • P. K. Weimer
    • 1
  • W. S. Pike
    • 1
  • G. Sadasiv
    • 1
  • F. V. Shallcross
    • 1
  • L. Meray-Horvath
    • 1
  1. 1.RCA LaboratoriesPrincetonUSA

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