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1977-01-31 |
1978-04-11 |
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Electronic half-tone generating means for facsimile reproduction system
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1977-02-23 |
1978-10-24 |
International Business Machines Corporation |
Apparatus and method for digital halftone reproduction
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1977-03-31 |
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Procede de reproduction a resolution fine a partir d'un balayage a resolution grossiere
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1977-03-31 |
1979-04-17 |
International Business Machines Corporation |
Methods of a coarse-scan/fine-print character reproduction with compression
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JPS5821979B2
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1977-05-02 |
1983-05-06 |
日本電信電話株式会社 |
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1980-01-22 |
Xerox Corporation |
Electronic halftone screening
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Variable angle electronic halftone screening
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1978-04-24 |
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Adapter for raster output scanning printer
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Systeme de photocomposition fournissant une copie tramee d'une image d'origine, et procede d'obtention d'une copie tramee
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1978-11-24 |
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1979-02-13 |
1984-08-28 |
Coulter Systems Corporation |
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JPS55146582A
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1979-04-27 |
1980-11-14 |
Matsushita Electric Ind Co Ltd |
Image recording method
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JPS55164868A
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1979-06-08 |
1980-12-22 |
Mitsubishi Electric Corp |
Image recorder into plastic cards
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1979-07-18 |
1981-02-17 |
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Ink jet printer
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1979-07-25 |
1981-02-24 |
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Gradation recording device
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1979-07-31 |
1983-01-05 |
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1979-09-03 |
1980-06-09 |
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Dither image processing method
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1979-09-10 |
1981-04-27 |
Xerox Corp |
Digital convertion in white and black image
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1979-10-24 |
1982-05-13 |
Siemens AG, 1000 Berlin und 8000 München |
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1979-12-26 |
1981-01-20 |
Xerox Corporation |
Binary graphic printer system having an electronic screen with shift control suited for rescreening
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1979-12-29 |
1985-02-13 |
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1980-05-07 |
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Method of generating dot pattern
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1980-07-23 |
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1980-08-04 |
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Filter for image pixels
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1980-08-04 |
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1980-09-19 |
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1980-10-03 |
1982-04-15 |
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Binary processing method for analog picture signal
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1980-10-06 |
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Siemens AG, 1000 Berlin und 8000 München |
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1981-01-19 |
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Method of processing medium tone picture
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1981-05-22 |
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1981-06-29 |
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1982-03-02 |
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Sony Corp |
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1982-04-06 |
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1982-04-06 |
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Image processing apparatus
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1982-07-27 |
1984-02-03 |
Mitsubishi Electric Corp |
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1982-12-01 |
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1983-10-20 |
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