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Method and apparatus for measuring thickness of fat using infrared light

  • US 5,014,713 A
  • Filed: 12/05/1989
  • Issued: 05/14/1991
  • Est. Priority Date: 12/05/1989
  • Status: Expired due to Fees
First Claim
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1. A device for measuring the thickness of a layer of fat, comprising:

  • (a) a first infrared emitter means for emitting infrared light at a steady intensity;

    (b) a second infrared emitter means for periodically emitting pulses of infrared light;

    (c) a plurality of infrared detector means for detecting and sensing the magnitude of infrared light emitted by said first and second emitter means after transmission of said infrared light at least partially through said layer of fat and producing respective detection signals in response thereto, said plurality of infrared detector means and said first and second infrared emitter means being arrayed substantially in a single plane;

    (d) summing means for summing said detection signals and producing a composite signal corresponding to a summation of said detection signals; and

    (e) output means responsive to said composite signal for producing an indication corresponding to said composite signal and indicative of the thickness of said layer of fat.

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