DE69629235D1 - Gerät zur automatischen Detektion der Anwesenheit, der Breite und der Phasenverschiebung eines Dokumentes innerhalb eines Dokumentenabtasters - Google Patents
Gerät zur automatischen Detektion der Anwesenheit, der Breite und der Phasenverschiebung eines Dokumentes innerhalb eines DokumentenabtastersInfo
- Publication number
- DE69629235D1 DE69629235D1 DE69629235T DE69629235T DE69629235D1 DE 69629235 D1 DE69629235 D1 DE 69629235D1 DE 69629235 T DE69629235 T DE 69629235T DE 69629235 T DE69629235 T DE 69629235T DE 69629235 D1 DE69629235 D1 DE 69629235D1
- Authority
- DE
- Germany
- Prior art keywords
- document
- width
- phase shift
- automatic detection
- scanner
- 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 - Fee Related
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
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00684—Object of the detection
- H04N1/00687—Presence or absence
- H04N1/00689—Presence
-
- 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
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
-
- 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
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00684—Object of the detection
- H04N1/00708—Size or dimensions
-
- 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
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00684—Object of the detection
- H04N1/00718—Skew
-
- 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
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00742—Detection methods
- H04N1/0075—Detecting a change in reflectivity
- H04N1/00753—Detecting a change in reflectivity of a sheet relative to a particular backgroud
-
- 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
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00763—Action taken as a result of detection
- H04N1/00769—Comparing, e.g. with threshold
-
- 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
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00763—Action taken as a result of detection
- H04N1/00774—Adjusting or controlling
- H04N1/00777—Inhibiting, e.g. an operation
-
- 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
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00763—Action taken as a result of detection
- H04N1/00774—Adjusting or controlling
- H04N1/00779—Adjusting settings, e.g. mode, feeding rate or type of paper
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
- H04N1/1013—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
- H04N1/191—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
- H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
- H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Input (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43604695A | 1995-05-05 | 1995-05-05 | |
US436046 | 1995-05-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69629235D1 true DE69629235D1 (de) | 2003-09-04 |
DE69629235T2 DE69629235T2 (de) | 2004-05-27 |
Family
ID=23730876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69629235T Expired - Fee Related DE69629235T2 (de) | 1995-05-05 | 1996-04-17 | Gerät zur automatischen Detektion der Anwesenheit, der Breite und der Phasenverschiebung eines Dokumentes innerhalb eines Dokumentenabtasters |
Country Status (4)
Country | Link |
---|---|
US (1) | US5895928A (de) |
EP (1) | EP0741482B1 (de) |
JP (1) | JPH08317137A (de) |
DE (1) | DE69629235T2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6490059B1 (en) | 1996-09-04 | 2002-12-03 | Hewlett-Packard Company | Rotatable sheet feed scanner and method for using the same |
KR100199476B1 (ko) * | 1996-12-07 | 1999-06-15 | 윤종용 | 원고 크기 감지 장치 및 방법 |
KR19990008799A (ko) * | 1997-07-04 | 1999-02-05 | 윤종용 | 독취할 원고 규격 검출 방법 |
KR100234431B1 (ko) * | 1997-07-23 | 1999-12-15 | 윤종용 | 셔틀 스캐너 방식 복합기의 스캔 영역 감지 장치 및 감지 방법 |
US6344906B1 (en) * | 1997-09-16 | 2002-02-05 | Cyberscan Technology, Inc. | Universal document scanner controller |
FR2785130B1 (fr) * | 1998-10-23 | 2000-12-15 | Lumiere Technology | Dispositif de numerisation a haute resolution de documents de grandes dimensions |
TW510121B (en) * | 2001-04-27 | 2002-11-11 | Avision Inc | Image scanner capable of positioning the starting point of scanning |
US6813573B2 (en) * | 2001-05-03 | 2004-11-02 | Hewlett-Packard Development Company, L.P. | Apparatus and method for calibration of scan position for a peripheral device with document feeder |
US7457012B2 (en) * | 2001-11-09 | 2008-11-25 | Po-Hua Fang | Detecting the alignment of a document in an automatic document feeder |
US7133573B2 (en) * | 2002-11-26 | 2006-11-07 | Eastman Kodak Company | Document skew accommodation |
US7410317B2 (en) * | 2003-08-26 | 2008-08-12 | Oki Data Corporation | Method for processing medium, image processing apparatus, and printer apparatus |
JP4398797B2 (ja) * | 2003-08-27 | 2010-01-13 | 株式会社沖データ | 媒体幅検出装置 |
KR100580183B1 (ko) * | 2004-01-09 | 2006-05-15 | 삼성전자주식회사 | 스캔영역의 좌우 위치 보정 방법 및 장치 |
US7188837B2 (en) * | 2004-02-27 | 2007-03-13 | Hewlett-Packard Development Company, L.P. | Media detection |
JP4665681B2 (ja) * | 2005-09-15 | 2011-04-06 | 富士ゼロックス株式会社 | 画像形成装置 |
TWI335252B (en) * | 2007-11-30 | 2011-01-01 | Ind Tech Res Inst | Calibration strip and the laser calibration system using thereof |
MX2010012716A (es) * | 2008-05-22 | 2011-07-01 | Vladimir Yegorovich Balakin | Metodo y aparato de rayos x usados en conjunto con un sistema de terapia contra el cancer mediante particulas cargadas. |
JP4471401B1 (ja) * | 2008-12-05 | 2010-06-02 | パナソニック株式会社 | 帳票読取り装置および帳票検出方法 |
US20140139888A1 (en) * | 2009-03-10 | 2014-05-22 | Stephan Frisch | Method and apparatus for scanning large-format documents |
TW201115347A (en) * | 2009-10-30 | 2011-05-01 | Avision Inc | Apparatus for storing data to portable storage with high priority |
US8717641B2 (en) | 2011-07-13 | 2014-05-06 | Hewlett-Packard Development Company, L.P. | System and method for edge identification to position components of a scanner |
US8699098B2 (en) | 2011-07-13 | 2014-04-15 | Hewlett-Packard Development Company, L.P. | Scanner gear assembly |
US9013761B2 (en) | 2013-04-16 | 2015-04-21 | Hewlett-Packard Development Company, L.P. | Scanner with a scan sensor having a width smaller than the platen |
JP6131746B2 (ja) * | 2013-07-17 | 2017-05-24 | ブラザー工業株式会社 | 画像形成装置 |
US9781283B1 (en) * | 2016-05-25 | 2017-10-03 | Xerox Corporation | Document handler having integrated platen and fully internal CVT path |
JP6847205B2 (ja) * | 2016-09-08 | 2021-03-24 | ヒューレット−パッカード デベロップメント カンパニー エル.ピー.Hewlett‐Packard Development Company, L.P. | 面取り加工した出口縁部を有する透明プラテン |
JP2021190900A (ja) * | 2020-06-01 | 2021-12-13 | キヤノン株式会社 | 画像読取装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4506301A (en) * | 1979-10-12 | 1985-03-19 | Xerox Corporation | Multiple mode raster scanner |
US4314159A (en) * | 1980-05-30 | 1982-02-02 | The Mead Corporation | Document scanner |
EP0077988B1 (de) * | 1981-10-23 | 1986-03-19 | Kabushiki Kaisha Toshiba | Bilddichtedetektor für eine Abbildungsvorrichtung |
JPS5879370A (ja) * | 1981-11-06 | 1983-05-13 | Canon Inc | 紙幅検出装置 |
ATE26674T1 (de) * | 1983-01-29 | 1987-05-15 | Roland Man Druckmasch | Vorrichtung zum ermitteln und auswerten von farbmessfeldern auf einem druckbogen. |
US4623938A (en) * | 1983-06-07 | 1986-11-18 | Canon Kabushiki Kaisha | Original image processing apparatus with improved cover |
JPS60107661A (ja) * | 1983-11-17 | 1985-06-13 | Ricoh Co Ltd | 複写機のイレ−ス装置 |
US4698511A (en) * | 1984-11-08 | 1987-10-06 | Canon Kabushiki Kaisha | Document sheet size or position recognition device |
DE3521157A1 (de) * | 1985-06-13 | 1986-12-18 | Telefunken electronic GmbH, 7100 Heilbronn | Vorrichtung zur elektronischen aufnahme von bildern |
US5091654A (en) * | 1990-08-28 | 1992-02-25 | Xerox Corporation | Method of automatically setting document registration and locating calibration strip |
-
1996
- 1996-04-17 DE DE69629235T patent/DE69629235T2/de not_active Expired - Fee Related
- 1996-04-17 EP EP96106026A patent/EP0741482B1/de not_active Expired - Lifetime
- 1996-04-26 JP JP8106947A patent/JPH08317137A/ja active Pending
-
1997
- 1997-06-17 US US08/877,093 patent/US5895928A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH08317137A (ja) | 1996-11-29 |
EP0741482A3 (de) | 1997-10-15 |
US5895928A (en) | 1999-04-20 |
EP0741482B1 (de) | 2003-07-30 |
EP0741482A2 (de) | 1996-11-06 |
DE69629235T2 (de) | 2004-05-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE |
|
8339 | Ceased/non-payment of the annual fee |