Two-dimensional incident position detector device for light or radiation

  • US 5,012,082 A
  • Filed: 02/23/1990
  • Issued: 04/30/1991
  • Est. Priority Date: 03/01/1989
  • Status: Expired due to Term
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First Claim
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1. A two-dimensional incident position detector device for radiation comprising:

  • (a) a detector array including a plurality of detection cells in two-dimension arrangement;

    (b) comparator means for comparing an output from a noticed detection cell among said detection cells with outputs from all other detection cells adjacent to said noticed cell; and

    (c) incident position determining means for determining a position of said noticed cell as an incident position of radiation when the output from said noticed cell is larger than the outputs from all adjacent detection cells.

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