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Method and apparatus for photographically recording an image

  • US 7,068,928 B2
  • Filed: 08/18/2004
  • Issued: 06/27/2006
  • Est. Priority Date: 08/18/2004
  • Status: Expired due to Fees
First Claim
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1. A photographic imaging apparatus, comprising:

  • a housing defining an interior cavity;

    an opening at one end of the housing to allow light to enter the interior cavity; and

    a photographic imaging substrate located within the interior cavity opposite from the opening, the photographic imaging substrate including;

    a light passing substrate;

    a photosensitive agent capable of producing oxygen in the presence of light, the photosensitive agent being supported on the light passing substrate away from said opening, and exposable to light passing through the light passing substrate from the opening; and

    an oxidizable surface positioned in close association with the photosensitive agent, the oxidizable surface being chemically reactive in the presence of oxygen produced by the photosensitive agent to yield a visual change in the form of an image.

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