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Autofocus camera

  • US 5,499,074 A
  • Filed: 05/30/1995
  • Issued: 03/12/1996
  • Est. Priority Date: 11/09/1990
  • Status: Expired due to Term
First Claim
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1. An autofocus camera comprising:

  • a first photoelectric conversion unit to receive subject light from a detecting region extended in one direction of a photographic image plane and to perform photoelectric conversion;

    a second photoelectric conversion unit to receive subject light from a detecting region extended in a direction different from said one direction of said photographic image plane and to perform photoelectric conversion;

    an attitude detector to detect attitude of the camera;

    a focus detector which selects one of said first and second photoelectric conversion units corresponding to a predetermined priority direction in the detected attitude of the camera and which conducts a focus detection operation using the selected photoelectric conversion unit, said focus detector discriminating based on a result of said focus detection operation whether focus can be detected using the selected photoelectric conversion unit, and, if it is discriminated that focus cannot be detected using the selected photoelectric conversion unit, conducting a focus detection operation using the other of said first and second photoelectric conversion units, said focus detector further providing a focus detection result to be used for focus control; and

    a lens driving unit to drive and focus a photographic lens in accordance with the focus detection result from said focus detector.

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