DE69117591T2 - Videosignalumschaltung - Google Patents
VideosignalumschaltungInfo
- Publication number
- DE69117591T2 DE69117591T2 DE69117591T DE69117591T DE69117591T2 DE 69117591 T2 DE69117591 T2 DE 69117591T2 DE 69117591 T DE69117591 T DE 69117591T DE 69117591 T DE69117591 T DE 69117591T DE 69117591 T2 DE69117591 T2 DE 69117591T2
- Authority
- DE
- Germany
- Prior art keywords
- video signal
- signal switching
- switching
- video
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/40068—Modification of image resolution, i.e. determining the values of picture elements at new relative positions
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Laser Beam Printer (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Fax Reproducing Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/545,744 US5229760A (en) | 1990-06-28 | 1990-06-28 | Arithmetic technique for variable resolution printing in a ros |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69117591D1 DE69117591D1 (de) | 1996-04-11 |
DE69117591T2 true DE69117591T2 (de) | 1996-09-12 |
Family
ID=24177391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69117591T Expired - Lifetime DE69117591T2 (de) | 1990-06-28 | 1991-06-27 | Videosignalumschaltung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5229760A (de) |
EP (1) | EP0463879B1 (de) |
JP (1) | JP3068241B2 (de) |
CA (1) | CA2041941C (de) |
DE (1) | DE69117591T2 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5638110A (en) * | 1993-10-28 | 1997-06-10 | Xerox Corporation | Two dimensional slope thresholding in a hyperacuity printer |
US5732162A (en) * | 1993-10-28 | 1998-03-24 | Xerox Corporation | Two dimensional linearity and registration error correction in a hyperacuity printer |
US5638107A (en) * | 1993-10-28 | 1997-06-10 | Xerox Corporation | Interlace formatting in a hyperacuity printer |
US5485289A (en) * | 1993-10-28 | 1996-01-16 | Xerox Corporation | Hyperacuity printer architecture |
CA2128858A1 (en) | 1993-10-28 | 1995-04-29 | Douglas N. Curry | Two dimensional linear interpolation with slope output for a hyperacuity printer |
US5410414A (en) * | 1993-10-28 | 1995-04-25 | Xerox Corporation | Halftoning in a hyperacuity printer |
US5742325A (en) * | 1993-10-28 | 1998-04-21 | Xerox Corporation | Micro segmentation in a hyperacuity printer |
US5537223A (en) | 1994-06-02 | 1996-07-16 | Xerox Corporation | Rotating non-rotationally symmetrical halftone dots for encoding embedded data in a hyperacuity printer |
US5737006A (en) * | 1995-04-24 | 1998-04-07 | Xerox Corporation | Scanning method and apparatus for banding suppression |
US6330074B1 (en) | 1998-10-30 | 2001-12-11 | Xerox Corporation | Digital copier magnification and distortion correction |
US8947734B1 (en) * | 2006-07-27 | 2015-02-03 | Marvell International Ltd. | Pulse width modulator for a printing device |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4485394A (en) * | 1982-09-27 | 1984-11-27 | General Electric Company | Automatic convergence and gray scale correction for television _receivers and projection television systems |
US4466014A (en) * | 1982-09-30 | 1984-08-14 | Allied Corporation | Video test method and apparatus with incremental scan rate capability |
US4766560A (en) * | 1985-12-23 | 1988-08-23 | Xerox Corporation | Parallel/pipelined arithmetic variable clock frequency synthesizer |
US4740841A (en) * | 1987-03-24 | 1988-04-26 | Tektronix, Inc. | Correlation of video data between two display formats |
US4733299A (en) * | 1987-03-26 | 1988-03-22 | New York Institute Of Technology | Method and apparatus for generating progressively scanned television information |
JPS63245569A (ja) * | 1987-03-31 | 1988-10-12 | Yokogawa Medical Syst Ltd | 画像表示処理装置 |
KR910003421B1 (ko) * | 1987-12-29 | 1991-05-30 | 한국과학기술원 | 저 블록현상의 대칭형 영상블록 스캔방법 |
US4837635A (en) * | 1988-01-22 | 1989-06-06 | Hewlett-Packard Company | A scanning system in which a portion of a preview scan image of a picture displaced on a screen is selected and a corresponding portion of the picture is scanned in a final scan |
DE68915101T2 (de) * | 1988-09-20 | 1994-09-15 | Hitachi Ltd | Faksimilesystem. |
US4893136A (en) * | 1988-12-22 | 1990-01-09 | Xerox Corporation | Arithmetically computed motor hunt compensation for flying spot scanners |
US4994912A (en) * | 1989-02-23 | 1991-02-19 | International Business Machines Corporation | Audio video interactive display |
JPH02250464A (ja) * | 1989-03-24 | 1990-10-08 | Sharp Corp | ファクシミリ装置 |
JP2813196B2 (ja) * | 1989-04-12 | 1998-10-22 | 株式会社リコー | 画像処理装置 |
-
1990
- 1990-06-28 US US07/545,744 patent/US5229760A/en not_active Expired - Lifetime
-
1991
- 1991-05-07 CA CA002041941A patent/CA2041941C/en not_active Expired - Fee Related
- 1991-06-24 JP JP3151682A patent/JP3068241B2/ja not_active Expired - Fee Related
- 1991-06-27 DE DE69117591T patent/DE69117591T2/de not_active Expired - Lifetime
- 1991-06-27 EP EP91305844A patent/EP0463879B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH04233866A (ja) | 1992-08-21 |
EP0463879A3 (en) | 1992-08-05 |
DE69117591D1 (de) | 1996-04-11 |
JP3068241B2 (ja) | 2000-07-24 |
CA2041941A1 (en) | 1991-12-29 |
CA2041941C (en) | 1997-01-28 |
US5229760A (en) | 1993-07-20 |
EP0463879A2 (de) | 1992-01-02 |
EP0463879B1 (de) | 1996-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |