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RANGING APPARATUS AND RANGING METHOD

  • US 20080205709A1
  • Filed: 02/26/2008
  • Published: 08/28/2008
  • Est. Priority Date: 02/27/2007
  • Status: Active Grant
First Claim
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1. A ranging apparatus comprising:

  • a light-emitting unit for emitting a series of modulated lights which are intensity-modulated and have respective different start phases at which the modulated lights start being emitted;

    a light-detecting unit for detecting reflected lights from an object that is irradiated with said modulated lights; and

    a calculating unit for calculating a distance up to said object based on a phase difference between said modulated lights and said reflected lights.

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