Distance detecting device, focus state detecting device and camera having same

  • US 5,890,021 A
  • Filed: 12/01/1997
  • Issued: 03/30/1999
  • Est. Priority Date: 12/05/1996
  • Status: Expired due to Fees
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First Claim
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1. A distance detecting device which makes a comparison between a difference or ratio between values of information on distances of two distributed points and a threshold value on the basis of information on a distribution of distances in an object space and determines, in accordance with a result of the comparison, whether two areas corresponding to the two distributed points represent one and the same object, said distance detecting device being characterized in that:

  • said threshold value is set at a value based on the information on distances of the two distributed points subjected to determination.

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