Printing up to edges of printing paper without platen soiling
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United States of America Patent
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Oct 7, 2008
Grant Date -
May 17, 2007
app pub date -
Dec 29, 2006
filing date -
Sep 27, 2000
priority date (Note) -
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Abstract
Images are printed up to the edges of printing paper while preventing ink droplets from depositing on the platen. According to the present invention, an area R for ejecting image-forming ink droplets is specified for a region lying beyond the edges of a printing paper P. The pixels of an external upper edge portion Rfp extending beyond the upper edge Pf are recorded solely by the nozzles disposed opposite the downstream slot of the platen. An internal upper edge portion Rfq, which is disposed downstream of the external upper edge portion Rfp, is recorded solely by the nozzles disposed opposite the downstream slot. When dots are recorded, blank spaces are prevented from forming in the edge portions of the printing paper, and ink droplets are prevented from depositing on the platen when the printing paper P deviates from its intended position, provided the upper edge of the printing paper P remains on the inside of the external upper edge portion Rfp or internal upper edge portion Rfq. The external upper edge portion Rfp and internal upper edge portion Rfq are selected such that their dimensions in the sub-scanning direction remains substantially the same when different recording systems or recording densities are used for the pixels, provided the printing paper used for recording the images has the same dimensions and is composed of the same material.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- SEIKO EPSON CORPORATION
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Otsuki, Koichi | Nagano-ken, JP | 111 | 1062 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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