System for reducing scratch visibility

Details System for reducing scratch visibility System for reducing scratch visibility

2007-02-13

2007-02-13

Lee, Thomas (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S487000, C348S096000

Reexamination Certificate

active

10026405

ABSTRACT:
A film scanner, such as a telecine, includes a light source, collection optics and one or more light sensors to reduce image signals representative of an image on film. In addition, a reflector arrangement is provided which has an internally reflective cavity, such as an integrating sphere, to captor light which may have been scattered from the usual light path and provided to an additional sensor. Compensations can thus be made for light scattered in any direction.

REFERENCES:
patent: 4481414 (1984-11-01), Gasper
patent: 5068739 (1991-11-01), Filo
patent: 5363232 (1994-11-01), Tokue
patent: 1409153 (1975-10-01), None
patent: 2323495 (1998-09-01), None
patent: WO 83/02869 (1983-08-01), None
U.K. Patent Office Search Report for corresponding U.K. application no. GB 0031127.4 dated Oct. 26, 2001.

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