×

Printing exposure reference

  • US 5,634,156 A
  • Filed: 12/15/1994
  • Issued: 05/27/1997
  • Est. Priority Date: 12/15/1994
  • Status: Expired due to Fees
First Claim
Patent Images

1. A camera including a mechanism for sequentially advancing photographic film to position successive frames in an exposure position;

  • characterized in that;

    the camera includes an internal illumination source and means for controlling said source to expose the film sequentially, interspersed with film movement, in a plurality of areas to produce an asymmetric pattern on the film, the relative position of the exposed plurality of areas to each other combined with the color and/or shape of the exposed areas indicating whether the film was exposed in a prewind or regular wind type camera, and/or whether the film was exposed in a left or right load camera.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×