Method and apparatus to pre-scan and pre-treat film for improved digital film processing handling
a technology of digital film processing and pretreatment, applied in the field of digital film processing, can solve the problems that conventional systems do not take into account the special needs of digital film processing techniques and devices, and achieve the effect of convenient and efficient cleaning
Inactive Publication Date: 2005-06-16
YOUNG ROBERT S JR +2
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Benefits of technology
"The present invention relates to a system and method for pre-screening and pre-treating film before digital processing. The invention takes into consideration the special needs of digital film processing techniques and devices. The system includes a sensor for detecting imperfections on the film and a microprocessor connected to the sensor. The microprocessor identifies the extent of the imperfections and determines if the film is suitable for digital processing. The system can also clean the film to remove any imperfections or foreign objects. The invention allows for the identification and correction of film imperfections, improving the quality of the film before further processing."
Problems solved by technology
Presently, conventional systems do not take into consideration of the special needs of digital film processing (“DFP”) techniques and devices.
Method used
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Embodiment Construction
[0024] While the making and using of various embodiments of the present invention are discussed herein in terms of a digital film processing system, it should be appreciated that the present invention provides many applicable inventive concepts which can be embodied in a wide variety of specific contexts. For example, the present invention can be used to pre-scan and pre-treat any strip of material. The specific embodiments discussed herein are merely illustrative of specific ways to make and use the invention and do not delimit the scope of the invention.
[0025] The term “film” is used hereinafter to refer to any unrestricted length of material. The film may or may not have aligned and evenly spaced perforations, which are hereinafter referred to as “sprocket holes.” Camera or motion picture film is, of course, a primary example, but the present invention is not to be construed to be limited to a film for still camera or even motion picture film. The film may be a strip of material...
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Abstract
The present invention provides a method, apparatus and system that pre-scans and pre-treats film for improved digital film processing. The apparatus for use with the invention includes, generally, a sensor for detecting one or more imperfections on the film and a microprocessor connected to the sensor that determines the amount and extent of imperfections of the film based on one or more reference readings. The present invention may also include a tape dispenser, cleaning rollers, a blower or vacuum to remove and / or correct any imperfections in the film. One embodiment includes a cleaning system for a particle removal member which removes particles from film. The cleaning system is relatively movable and selectively contactable with the particle removal member to clean particles from the particle removal member.
Description
[0001] This application claims the benefit of U.S. Provisional Application No. 60 / 173,648, filed Dec. 30, 1999, the entire disclosure of which is hereby incorporated herein by reference.TECHNICAL FIELD [0002] The present invention relates generally to the field of digital film processing, and more particularly, to an apparatus and method for pre-screening and pre-treating film that is amenable to digital film processing. BACKGROUND OF THE INVENTION [0003] Standard color photographic negative film that is widely used in still cameras today is designed and manufactured to contain three superimposed, semi-independent color sensing layers. Spectral sensitivity curves for photographic negative film show the typical response of the three layers of photographic film over the visible light spectrum; assuming equal radiated power at each wavelength. In particular, it is known that the top layer responds primarily to light of short wavelength (blue light), the middle layer responds primarily ...
Claims
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IPC IPC(8): G01N21/89G01N21/896
CPCG01N21/8916
Inventor YOUNG, ROBERT S. JR.MOOTY, GEORGE G.THERING, MICHAEL R.
Owner YOUNG ROBERT S JR