JPS6416067A - Original detector - Google Patents
Original detectorInfo
- Publication number
- JPS6416067A JPS6416067A JP62171767A JP17176787A JPS6416067A JP S6416067 A JPS6416067 A JP S6416067A JP 62171767 A JP62171767 A JP 62171767A JP 17176787 A JP17176787 A JP 17176787A JP S6416067 A JPS6416067 A JP S6416067A
- Authority
- JP
- Japan
- Prior art keywords
- original
- tip
- pattern
- black
- level
- 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.)
- Pending
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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/047—Detection, control or error compensation of scanning velocity or position
- H04N1/0473—Detection, control or error compensation of scanning velocity or position in subscanning direction, e.g. picture start or line-to-line synchronisation
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04703—Detection of scanning velocity or position using the scanning elements as detectors, e.g. by performing a prescan
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04715—Detection of scanning velocity or position by detecting marks or the like, e.g. slits
- H04N2201/0472—Detection of scanning velocity or position by detecting marks or the like, e.g. slits on or adjacent the sheet support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04732—Detecting at infrequent intervals, e.g. once or twice per line for main-scan control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04758—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area
- H04N2201/04767—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area by controlling the timing of the signals, e.g. by controlling the frequency o phase of the pixel clock
- H04N2201/04781—Controlling the phase of the signals
- H04N2201/04786—Controlling a start time, e.g. for output of a line of data
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62171767A JPS6416067A (en) | 1987-07-08 | 1987-07-08 | Original detector |
US07/598,784 US5068913A (en) | 1987-07-08 | 1990-10-17 | Image reader with platen criterial mark for determining document scan start |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62171767A JPS6416067A (en) | 1987-07-08 | 1987-07-08 | Original detector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6416067A true JPS6416067A (en) | 1989-01-19 |
Family
ID=15929300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62171767A Pending JPS6416067A (en) | 1987-07-08 | 1987-07-08 | Original detector |
Country Status (2)
Country | Link |
---|---|
US (1) | US5068913A (ja) |
JP (1) | JPS6416067A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012150559A (ja) * | 2011-01-17 | 2012-08-09 | Ricoh Co Ltd | 画像読取装置、画像読取方法、プログラムおよび記録媒体 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5604826A (en) * | 1988-10-11 | 1997-02-18 | Canon Kabushiki Kaisha | Image recording apparatus |
US5323473A (en) * | 1992-04-02 | 1994-06-21 | Ncr Corporation | Method and apparatus for detecting the leading and trailing edges of a document in an image based system |
KR940008389A (ko) * | 1992-09-30 | 1994-04-29 | 가나이 쯔또무 | 화상신호처리장치 및 이것을 사용한 정보송수신장치 |
JP3369269B2 (ja) * | 1993-01-28 | 2003-01-20 | 株式会社リコー | 画像読取装置 |
JP3438303B2 (ja) * | 1994-04-06 | 2003-08-18 | 富士通株式会社 | 画像読み取り装置 |
US5852686A (en) * | 1995-10-11 | 1998-12-22 | Nec Corporation | Manually operable document reading device for an image forming apparatus |
US6252220B1 (en) | 1999-04-26 | 2001-06-26 | Xerox Corporation | Sensor cover glass with infrared filter |
US6316284B1 (en) | 2000-09-07 | 2001-11-13 | Xerox Corporation | Infrared correction in color scanners |
US6768565B1 (en) | 2000-09-07 | 2004-07-27 | Xerox Corporation | Infrared correction in color scanners |
US7102786B2 (en) * | 2000-10-05 | 2006-09-05 | Matsushita Electric Industrial Co., Ltd. | Image reading apparatus and processing apparatus |
KR100440951B1 (ko) * | 2001-07-06 | 2004-07-21 | 삼성전자주식회사 | 플랫베드 스캐너에 있어서 스캐닝 에러 보정방법 및 장치 |
US7145701B2 (en) * | 2002-06-19 | 2006-12-05 | Hewlett-Packard Development Company, L.P. | Scanner comprising a housing configured to facilitate manual removal of an object from the scanner platen |
JP2005311766A (ja) * | 2004-04-22 | 2005-11-04 | Fuji Xerox Co Ltd | 画像読み取り装置 |
JP2007282057A (ja) * | 2006-04-10 | 2007-10-25 | Canon Inc | 画像処理装置 |
JP4777178B2 (ja) * | 2006-07-28 | 2011-09-21 | キヤノン株式会社 | 画像処理方法 |
JP4864653B2 (ja) * | 2006-11-13 | 2012-02-01 | キヤノン電子株式会社 | 画像読取装置、画像読取方法及び該方法を実行するためのプログラム |
US20080291508A1 (en) * | 2007-05-21 | 2008-11-27 | Huang Chingchu K | Scan flow alignment |
JP6230360B2 (ja) * | 2013-10-07 | 2017-11-15 | キヤノン株式会社 | 情報処理装置とその制御方法、コンピュータプログラム、記憶媒体 |
JP6989159B2 (ja) * | 2020-03-03 | 2022-01-05 | Necプラットフォームズ株式会社 | 画像読取装置の制御方法、画像読取装置、及びプログラム |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5272519A (en) * | 1975-12-15 | 1977-06-17 | Toshiba Corp | Destination discrimination system |
US4153895A (en) * | 1978-08-01 | 1979-05-08 | Recognition Equipment Incorporated | Mark sense reader |
JPS5555658A (en) * | 1978-09-22 | 1980-04-23 | Canon Inc | Copy unit |
JPS6028182B2 (ja) * | 1979-10-06 | 1985-07-03 | ミノルタ株式会社 | 画像読取装置 |
US4420742A (en) * | 1980-05-09 | 1983-12-13 | Hitachi, Ltd. | Scan signal processing system |
US4357596A (en) * | 1980-05-30 | 1982-11-02 | Westinghouse Electric Corp. | Multi-line scan mark verification circuit |
JPS5725771A (en) * | 1980-07-23 | 1982-02-10 | Canon Inc | Picture signal processor |
JPS57141779A (en) * | 1981-02-26 | 1982-09-02 | Nec Corp | Character cutout system |
US4411016A (en) * | 1981-06-01 | 1983-10-18 | Recognition Equipment Incorporated | Barcode width measurement system |
JPS58172061A (ja) * | 1982-04-02 | 1983-10-08 | Nippon Telegr & Teleph Corp <Ntt> | 信号処理装置 |
JPS58184160A (ja) * | 1982-04-21 | 1983-10-27 | Ricoh Co Ltd | 画像処理装置 |
US4471386A (en) * | 1982-04-28 | 1984-09-11 | Xerox Corporation | Method and apparatus for composing documents for scanning |
JPS58197957A (ja) * | 1982-05-14 | 1983-11-17 | Fuji Xerox Co Ltd | 画情報処理装置 |
US4763200A (en) * | 1985-04-11 | 1988-08-09 | Minolta Camera Kabushiki Kaisha | Image output apparatus |
JPS61262982A (ja) * | 1985-05-17 | 1986-11-20 | Casio Comput Co Ltd | 画像情報認識装置 |
-
1987
- 1987-07-08 JP JP62171767A patent/JPS6416067A/ja active Pending
-
1990
- 1990-10-17 US US07/598,784 patent/US5068913A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012150559A (ja) * | 2011-01-17 | 2012-08-09 | Ricoh Co Ltd | 画像読取装置、画像読取方法、プログラムおよび記録媒体 |
Also Published As
Publication number | Publication date |
---|---|
US5068913A (en) | 1991-11-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6416067A (en) | Original detector | |
ATE142774T1 (de) | Rastertastmikroskop | |
JPS53145525A (en) | Optical character reader | |
JPS5717084A (en) | Pattern reading device | |
JPS5530603A (en) | Position detector | |
JPS5429914A (en) | Manuscript reader | |
JPS5458047A (en) | Method of metering spacing between cars | |
JPS55117945A (en) | Defect detection unit | |
JPS5631177A (en) | Optical character reader | |
JPS5764488A (en) | Laser working device | |
JPS5525127A (en) | Mark sheet read system of facsimile | |
JPS575179A (en) | Optical character reader | |
JPS6441080A (en) | Optical reader | |
JPS57182112A (en) | Range detector | |
JPS5530627A (en) | Wire diameter meter | |
JPS55124869A (en) | Character area detection unit | |
JPS54136888A (en) | Surface defect detecting device | |
JPS5617481A (en) | Optical reading method for braille | |
JPS57179610A (en) | Configuration detecting device | |
JPS5468286A (en) | Metal surface flaw detecting device | |
JPS6416178A (en) | Automatic focusing device | |
JPS5570032A (en) | Wafer scribing line detector | |
JPS561012A (en) | Detection of scanning light beam pass time | |
JPS5750071A (en) | Photoelectric card reader | |
JPS53130935A (en) | Pattern recognition unit |