Patent ID: 8035673
Filing Date: 2011-10-11
Classification: G03C

Abstract:
1. An apparatus for watermarking a film, the apparatus having at least one roller for routing the film through the apparatus, the apparatus comprising: at least one light source comprising a plurality of optical fibers for directing light toward a film to be watermarked; a device for securing respective portions of the plurality of optical fibers proximal to the film, the device having at least a configurable portion that emits at least some of the respective portions of at least some of the plurality of optical fibers to shift relative to each other in a direction that is transverse to a longitudinal direction of the at least some of the respective portions in order to obtain varying watermark patterns on the film; and a controller for synchronizing an activation of the at least one light source with a rolling of the film performed by at least one of the at least one roller so that the at least one light source is activated to record a watermark on the film to identify an aspect of the film, the watermark including a plurality of spots on the film.