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System for visually determining position in space and/or orientation in space and apparatus employing same

  • US 4,146,924 A
  • Filed: 09/22/1975
  • Issued: 03/27/1979
  • Est. Priority Date: 09/22/1975
  • Status: Expired due to Term
First Claim
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1. A visual system to determine at least one of position in space and orientation in space and having, in combination:

  • portable means arbitrarily movable in space and possessing the discernible properties of at least one of position in space and orientation in space;

    sensor means operatively disposed to extract visual information from the portable means and operable to convert it to an electrical signal;

    computer means that receives said electrical signal from the sensor means and evaluates the same to provide an indication of at least one of position in space and orientation in space; and

    means to specify the manner in which the visual information is to be interpreted by the computer means, said means to specify being operable to effect arbitrary interpretations of the manner in which the visual information is to be interpreted.

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