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Method and apparatus for generating a control signal

  • US 6,255,643 B1
  • Filed: 09/22/2000
  • Issued: 07/03/2001
  • Est. Priority Date: 05/14/1996
  • Status: Expired due to Fees
First Claim
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1. An apparatus for generating image data representative of an object, comprising:

  • a source of electromagnetic radiation for emitting electromagnetic radiation which is diffused by the object;

    a microsphere lens for transmitting a portion of the electromagnetic radiation;

    a detector for receiving the portion of the electromagnetic radiation and generating charge in response thereto, the detector being implemented in a single semiconductor substrate; and

    circuitry for generating the image data from the charge generated in the detector, the circuitry being implemented in the single semiconductor substrate with the detector;

    wherein the microsphere lens is fixed with respect to the detector using an adhesive material having a first index of refraction which is substantially the same as a second index of refraction associated with the microsphere lens.

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