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Apparatus and method for detecting printing plate edge alignment

An edge, misalignment technology, applied in thin material handling, positioning objects, function indication, etc., can solve problems such as inaccurate positioning

Inactive Publication Date: 2013-11-06
EASTMAN KODAK CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Manual handling results in imprecise positioning relative to the inherent presence of the plate picker 11 in picking up the top plate

Method used

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  • Apparatus and method for detecting printing plate edge alignment
  • Apparatus and method for detecting printing plate edge alignment
  • Apparatus and method for detecting printing plate edge alignment

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Embodiment Construction

[0023] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be understood by those skilled in the art that the teachings of the present invention may be practiced without these specific details. In other instances, well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the teachings of the present invention.

[0024] The present invention includes apparatus, systems and methods for correctly positioning a printing plate to be imaged. Correct positioning of the printing plate is performed with respect to the plate loading mechanism of the CTP imaging device. The plate to be imaged is typically the top plate selected from the plate stack.

[0025] According to some embodiments, there is provided a system for detecting misalignment of a top printing plate placed above a plate tray, the plate exhibiting a plate ...

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PUM

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Abstract

A system for detecting the alignment of a top plate placed on a plate pallet. The alignment is detected relative to predetermined coordinates of the system. The system will generally include the following components: An illumination source configured to illuminate light on at least one edge of the top plate; a scanner for acquiring scanning results of the top plate edges. The scanning result will be analyzed by an analyzing component, in order to align the top plate correctly before it is loaded into the CTP imaging device.

Description

technical field [0001] The present invention relates generally to computer-to-plate (CTP) imaging devices, and more particularly to detecting the alignment of the topmost plate in a plate picking system in a CTP imaging device. Background technique [0002] Before setting forth in detail the background art of the present invention, it is very beneficial to explain the definitions of certain terms that will be used hereinafter. [0003] The term "computer-to-plate" (hereinafter CTP) as used in this application refers to the imaging technology used in modern printing processes. In this technology, an image produced in a desktop publishing application is output directly to the printing plate. CTP as used hereinafter also refers to an imaging device carrying the process of outputting a computer stored image onto a printing plate. [0004] The term "printing plate" (sometimes referred to as "plate" or "plates") as used in this application refers to a flexible aluminum or plasti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65H7/14B65H9/20
CPCB65H2557/51B65H2301/42256B65H2511/413B65H2553/46B65H2511/242B65H7/14B65H9/20B65H2511/20B65H2701/1928B65H2553/42B65H2511/24B65H2220/02B65H2220/01B65H2220/03
Inventor Y·德罗尔
Owner EASTMAN KODAK CO