Invention Grant
- Patent Title: Method and system for forming a halftone screen
- Patent Title (中): 用于形成半色调网的方法和系统
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Application No.: US14362035Application Date: 2012-12-03
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Publication No.: US09208418B2Publication Date: 2015-12-08
- Inventor: William Frederick Ashworth , Andrew McKenzie Fraser
- Applicant: Megadot Systems Limited
- Applicant Address: NZ Petone, Lower Hutt
- Assignee: Megadot Systems Limited
- Current Assignee: Megadot Systems Limited
- Current Assignee Address: NZ Petone, Lower Hutt
- Agency: Sheppard, Mullin, Richter & Hampton LLP
- International Application: PCT/NZ2012/000225 WO 20121203
- International Announcement: WO2013/081480 WO 20130606
- Main IPC: G06K15/00
- IPC: G06K15/00 ; G06K15/02 ; H04N1/405

Abstract:
A method of forming a halftone screen comprising representing each of a first, second, third and fourth tone range of increasing darkness by forming a plurality of dots arranged in a grid; the dots representing the second tone range larger than the dots representing the first tone range; the dots representing the third tone range having a body section and at least one extension extending toward a or respective nearest neighbor(s), the extension(s) narrower in width than the body section, the dots representing the third tone range substantially the same size as the dots representing the second tone range; and the dots representing the fourth tone range having a body section and at least one extension extending toward a or respective nearest neighbor(s), the extension(s) greater in width than the extension(s) associated with the dots representing the third tone range. A halftone screen and a printing system are also disclosed.
Public/Granted literature
- US20140340716A1 METHOD AND SYSTEM FOR FORMING A HALFTONE SCREEN Public/Granted day:2014-11-20
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