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Stereoscopic aperture valves

  • US 20020131170A1
  • Filed: 01/11/2002
  • Published: 09/19/2002
  • Est. Priority Date: 01/12/2001
  • Status: Abandoned Application
First Claim
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1. A system for producing, from a received imaging signal containing image information relating to an object, a three-dimensional image of the object in a first mode and a two-dimensional image of the object in a second mode, comprising:

  • at least a first encoder operable to encode the received imaging signal to produce at least an encoded first imaging signal;

    at least a second encoder, positioned at or near at least one of an aperture stop and a conjugate thereof, operable in the first mode to encode differently portions of the first imaging signal to produce at least second and third imaging signal portions; and

    at least a third encoder different from the at least a second encoder, the third encoder being operable to encode the second and third imaging signal portions, wherein in a first mode the first, second, and third encoders are configured to output second and third imaging signal portions having at least one differing optical characteristic and in a second mode the first, second, and third encoders are configured to output second and third signal portions in which the at least one differing optical characteristic is at least substantially the same.

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