KR20040021530A - 화상 형성 장치 - Google Patents
화상 형성 장치 Download PDFInfo
- Publication number
- KR20040021530A KR20040021530A KR1020030058469A KR20030058469A KR20040021530A KR 20040021530 A KR20040021530 A KR 20040021530A KR 1020030058469 A KR1020030058469 A KR 1020030058469A KR 20030058469 A KR20030058469 A KR 20030058469A KR 20040021530 A KR20040021530 A KR 20040021530A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- image
- pseudo
- image bearing
- correction value
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
-
- 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
- H04N1/46—Colour picture communication systems
- H04N1/50—Picture reproducers
- H04N1/506—Reproducing the colour component signals picture-sequentially, e.g. with reproducing heads spaced apart from one another in the subscanning direction
-
- 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
- H04N1/053—Detection, control or error compensation of scanning velocity or position in main scanning direction, e.g. synchronisation of line start or picture elements in a line
-
- 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
- H04N1/06—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 cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
-
- 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
- H04N1/113—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 oscillating or rotating mirrors
- H04N1/1135—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 oscillating or rotating mirrors for the main-scan only
-
- 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
- H04N2201/0471—Detection of scanning velocity or position using dedicated detectors
-
- 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
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04744—Detection of scanning velocity or position by detecting the scanned beam or a reference beam
-
- 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
-
- 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
- H04N2201/04793—Control or error compensation of scanning position or velocity using stored control or compensation data, e.g. previously measured data
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Facsimile Scanning Arrangements (AREA)
- Color Electrophotography (AREA)
- Laser Beam Printer (AREA)
- Control Or Security For Electrophotography (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Fax Reproducing Arrangements (AREA)
Abstract
Description
Claims (12)
- 화상 형성 장치에 있어서,복수의 화상 담지 부재와;상기 화상 담지 부재를 주사하기 위한 광 빔을 생성하는 복수의 발광 소자와, 상기 복수의 발광 소자에 의해 생성된 광 빔을 상기 화상 담지 부재에 편향시키는 하나의 폴리곤 미러와, 상기 복수의 화상 담지 부재 중 적어도 하나에 대응하여 설치되며 상기 폴리곤 미러에 의해 주사된 광 빔을 수신하여 해당 화상 담지 부재에 화상을 기록하기 위한 제1 동기 신호를 생성하는 빔 검출기를 구비하는 광학계와;상기 회전 폴리곤 미러의 각 면에서의 오차와 관련된 정보를 기억하는 기억부와;상기 기억부의 값에 기초하여, 상기 빔 검출기에서 출력된 제1 동기 신호를 지연시킴으로써 상기 빔 검출기가 설치되지 않은 화상 담지 부재에 화상을 기록하기 위한 제2 동기 신호를 생성하는 생성부를 포함하는 것을 특징으로 하는 화상 형성 장치.
- 제1항에 있어서,상기 기억부는 상기 폴리곤 미러의 각 면에서의 지연량을 기억하는 것을 특징으로 하는 화상 형성 장치.
- 제2항에 있어서,상기 빔 검출기에 의해 생성된 제1 동기 신호의 간격을 측정함으로써 상기 지연량을 산출하는 산출부를 더 구비하는 것을 특징으로 하는 화상 형성 장치.
- 제3항에 있어서,상기 빔 검출기에 대응하는 면으로부터 n 면 앞에 주사되는 광 빔이 존재하는 경우, 상기 산출부는 상기 제1 동기 신호로부터 n 면 뒤의 상기 제1 동기 신호를 측정함으로써 상기 지연량을 산출하는 것을 특징으로 하는 화상 형성 장치.
- 제3항에 있어서,상기 산출부는 각 면에서의 상기 동기 신호의 간격과 상기 간격의 최소값 사이의 차이를 계산함으로써 상기 지연량을 산출하는 것을 특징으로 하는 화상 형성 장치.
- 제3항에 있어서,상기 산출부는 상기 측정 작업을 복수회 수행하여, 그 측정값의 평균값에 기초하여 상기 지연량을 산출하는 것을 특징으로 하는 화상 형성 장치.
- 제3항에 있어서,상기 산출부에 의해 산출된 값의 최대값과 최소값 사이의 차이가 소정값보다 큰 경우에는, 상기 산출부에 의한 산출을 재차 수행하는 것을 특징으로 하는 화상 형성 장치.
- 제1항에 있어서,상기 광학계를 복수 구비하고, 복수 컬러의 화상을 중첩시킴으로써 하나의 컬러 화상을 형성하는 것을 특징으로 하는 화상 형성 장치.
- 제1항에 있어서,상기 화상 담지 부재를 4개, 상기 광학계를 2개 구비하고, 상기 각각의 광학계가 2개 컬러의 화상을 형성하는 것을 특징으로 하는 화상 형성 장치.
- 제1항에 있어서,상기 화상 담지 부재를 2개, 상기 광학계를 1개 구비하고, 상기 광학계가 4개 컬러의 화상을 주사하는 것을 특징으로 하는 화상 형성 장치.
- 제1항에 있어서,블랙 토너 화상을 형성하는 화상 담지 부재에 대응하여 빔 검출기를 제공하는 것을 특징으로 하는 화상 형성 장치.
- 제1항에 있어서,옐로우 토너 화상을 형성하는 화상 담지 부재에 대해서는 빔 검출기를 제공하지 않는 것을 특징으로 하는 화상 형성 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2002-00243016 | 2002-08-23 | ||
JP2002243016 | 2002-08-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040021530A true KR20040021530A (ko) | 2004-03-10 |
KR100555000B1 KR100555000B1 (ko) | 2006-02-24 |
Family
ID=31185231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030058469A KR100555000B1 (ko) | 2002-08-23 | 2003-08-23 | 화상 형성 장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6856338B2 (ko) |
EP (1) | EP1392049B1 (ko) |
JP (2) | JP4777410B2 (ko) |
KR (1) | KR100555000B1 (ko) |
CN (1) | CN1287232C (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100861601B1 (ko) * | 2005-10-31 | 2008-10-07 | 캐논 가부시끼가이샤 | 화상 형성 장치 및 그 제어 방법 |
US8976215B2 (en) | 2012-11-16 | 2015-03-10 | Samsung Electronics Co., Ltd. | Image forming apparatus and method of forming image thereof, and scanning unit usable in image forming apparatus |
Families Citing this family (33)
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US7046386B2 (en) * | 2001-11-14 | 2006-05-16 | International Business Machines Corporation | Bandwidth booster for aging printer ASICs |
JP4431961B2 (ja) * | 2004-03-05 | 2010-03-17 | ブラザー工業株式会社 | 画像記録装置 |
KR100815363B1 (ko) * | 2004-10-13 | 2008-03-19 | 삼성전기주식회사 | 컬러 레이저 프린터용 광학계 |
US20070053038A1 (en) * | 2005-09-07 | 2007-03-08 | Keithley Douglas G | Laser scanner assembly |
JP4238866B2 (ja) * | 2005-11-28 | 2009-03-18 | コニカミノルタビジネステクノロジーズ株式会社 | 画像形成装置 |
US7719558B1 (en) * | 2007-07-18 | 2010-05-18 | Marvell International Ltd. | Apparatus and method to generate a horizontal synchronization signal for a printer |
US8036552B2 (en) * | 2007-09-21 | 2011-10-11 | Canon Kabushiki Kaisha | Method for correcting registration errors by superimposing a black developer on a background of a color |
KR101495537B1 (ko) * | 2008-06-17 | 2015-02-25 | 삼성전자주식회사 | 광 주사 장치 및 이를 채용한 화상 형성 장치 |
DE202010018211U1 (de) * | 2009-04-22 | 2014-09-29 | Nevro Corporation | Selektive Hochfrequenzrückenmarksmodulation zur Schmerzhemmung mit weniger Nebenwirkung, sowie zugehörige Systeme |
US8326687B2 (en) | 2009-05-21 | 2012-12-04 | Shinichi Tanaka | Advertisement display system |
JP5489625B2 (ja) | 2009-10-01 | 2014-05-14 | キヤノン株式会社 | 画像形成装置 |
US9678334B1 (en) | 2009-12-22 | 2017-06-13 | Marvell International Ltd. | Oscillating mirror line based image transformation |
KR101814121B1 (ko) * | 2011-07-21 | 2018-01-03 | 에스프린팅솔루션 주식회사 | 전자 사진 방식의 화상 형성 장치 |
JP6315065B2 (ja) * | 2011-12-19 | 2018-04-25 | 株式会社リコー | 画像形成装置 |
JP6065556B2 (ja) | 2011-12-19 | 2017-01-25 | 株式会社リコー | 画像形成装置、画像形成装置の調整方法、画像形成装置の生産方法、及び画像形成システム |
US9227427B2 (en) | 2011-12-28 | 2016-01-05 | Canon Kabushiki Kaisha | Image forming apparatus |
JP6214153B2 (ja) | 2012-12-12 | 2017-10-18 | キヤノン株式会社 | 走査光学装置及び画像形成装置 |
EP2744189B1 (en) * | 2012-12-13 | 2017-05-31 | Canon Kabushiki Kaisha | Image forming apparatus |
JP6238713B2 (ja) * | 2012-12-13 | 2017-11-29 | キヤノン株式会社 | 画像形成装置 |
JP6197347B2 (ja) * | 2013-04-24 | 2017-09-20 | セイコーエプソン株式会社 | 電子機器及び物理量検出装置 |
JP2014240872A (ja) * | 2013-06-11 | 2014-12-25 | キヤノン株式会社 | 画像形成装置 |
JP6465552B2 (ja) * | 2014-02-21 | 2019-02-06 | キヤノン株式会社 | 画像形成装置 |
JP6525557B2 (ja) | 2014-11-12 | 2019-06-05 | キヤノン株式会社 | 光偏向器、走査光学装置及び画像形成装置 |
JP6543038B2 (ja) * | 2015-01-28 | 2019-07-10 | キヤノン株式会社 | 光走査装置、画像形成装置及び回転多面鏡 |
JP6477102B2 (ja) | 2015-03-23 | 2019-03-06 | ブラザー工業株式会社 | 画像形成装置、光走査装置の制御方法およびプログラム |
JP2017058442A (ja) | 2015-09-15 | 2017-03-23 | キヤノン株式会社 | 光源装置、走査光学装置、及び画像形成装置 |
JP6679258B2 (ja) | 2015-09-24 | 2020-04-15 | キヤノン株式会社 | 光源装置、走査光学装置、及び画像形成装置 |
US9854120B2 (en) | 2015-11-18 | 2017-12-26 | Canon Kabushiki Kaisha | Optical scanning device and image forming apparatus |
JP2017154436A (ja) | 2016-03-03 | 2017-09-07 | ブラザー工業株式会社 | 画像形成装置および光走査装置の制御方法 |
JP6789666B2 (ja) | 2016-05-10 | 2020-11-25 | キヤノン株式会社 | 走査光学装置、及び画像形成装置 |
JP7087424B2 (ja) | 2018-02-08 | 2022-06-21 | ブラザー工業株式会社 | 走査露光装置、走査露光装置の製造方法および走査露光装置の制御方法 |
US11820158B2 (en) | 2018-10-19 | 2023-11-21 | Canon Kabushiki Kaisha | Image forming apparatus |
JP7391566B2 (ja) | 2019-08-09 | 2023-12-05 | キヤノン株式会社 | 光走査装置およびそれを用いた画像形成装置 |
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-
2003
- 2003-08-08 US US10/636,686 patent/US6856338B2/en not_active Expired - Lifetime
- 2003-08-21 EP EP03018999.7A patent/EP1392049B1/en not_active Expired - Lifetime
- 2003-08-22 CN CNB031539629A patent/CN1287232C/zh not_active Expired - Fee Related
- 2003-08-23 KR KR1020030058469A patent/KR100555000B1/ko active IP Right Grant
-
2008
- 2008-12-18 JP JP2008322986A patent/JP4777410B2/ja not_active Expired - Fee Related
-
2011
- 2011-06-13 JP JP2011131402A patent/JP5065510B2/ja not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100861601B1 (ko) * | 2005-10-31 | 2008-10-07 | 캐논 가부시끼가이샤 | 화상 형성 장치 및 그 제어 방법 |
US8976215B2 (en) | 2012-11-16 | 2015-03-10 | Samsung Electronics Co., Ltd. | Image forming apparatus and method of forming image thereof, and scanning unit usable in image forming apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP4777410B2 (ja) | 2011-09-21 |
US6856338B2 (en) | 2005-02-15 |
EP1392049B1 (en) | 2013-04-10 |
JP5065510B2 (ja) | 2012-11-07 |
JP2009119871A (ja) | 2009-06-04 |
JP2011224999A (ja) | 2011-11-10 |
EP1392049A3 (en) | 2005-09-21 |
EP1392049A2 (en) | 2004-02-25 |
CN1487374A (zh) | 2004-04-07 |
CN1287232C (zh) | 2006-11-29 |
KR100555000B1 (ko) | 2006-02-24 |
US20040037584A1 (en) | 2004-02-26 |
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