DE3853439T2 - Bildlesegerät. - Google Patents

Bildlesegerät.

Info

Publication number
DE3853439T2
DE3853439T2 DE3853439T DE3853439T DE3853439T2 DE 3853439 T2 DE3853439 T2 DE 3853439T2 DE 3853439 T DE3853439 T DE 3853439T DE 3853439 T DE3853439 T DE 3853439T DE 3853439 T2 DE3853439 T2 DE 3853439T2
Authority
DE
Germany
Prior art keywords
image reader
reader
image
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
Application number
DE3853439T
Other languages
English (en)
Other versions
DE3853439D1 (de
Inventor
Toshio Honma
Nobuo Matsuoka
Shizuo Hasegawa
Yasumichi Suzuki
Hiroshi Itagaki
Kenji Sasahara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP62009471A external-priority patent/JP2682982B2/ja
Priority claimed from JP62009472A external-priority patent/JP2898972B2/ja
Priority claimed from JP62009473A external-priority patent/JPS63276972A/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE3853439D1 publication Critical patent/DE3853439D1/de
Publication of DE3853439T2 publication Critical patent/DE3853439T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/407Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4076Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/401Compensating positionally unequal response of the pick-up or reproducing head
DE3853439T 1987-01-19 1988-01-19 Bildlesegerät. Expired - Lifetime DE3853439T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62009471A JP2682982B2 (ja) 1987-01-19 1987-01-19 カラー画像読取装置
JP62009472A JP2898972B2 (ja) 1987-01-19 1987-01-19 画像読取装置
JP62009473A JPS63276972A (ja) 1987-01-19 1987-01-19 画像形成装置

Publications (2)

Publication Number Publication Date
DE3853439D1 DE3853439D1 (de) 1995-05-04
DE3853439T2 true DE3853439T2 (de) 1995-09-14

Family

ID=27278493

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3853439T Expired - Lifetime DE3853439T2 (de) 1987-01-19 1988-01-19 Bildlesegerät.
DE3856538T Expired - Lifetime DE3856538D1 (de) 1987-01-19 1988-01-19 Bildlesegerät

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3856538T Expired - Lifetime DE3856538D1 (de) 1987-01-19 1988-01-19 Bildlesegerät

Country Status (5)

Country Link
US (3) US5121230A (de)
EP (3) EP0830012B1 (de)
CA (1) CA1316207C (de)
DE (2) DE3853439T2 (de)
HK (1) HK1009577A1 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4916530A (en) * 1988-09-02 1990-04-10 Itek Graphix Corp. High resolution halftone dot generator system including LED array
JP3178541B2 (ja) * 1991-05-29 2001-06-18 キヤノン株式会社 画像処理方法及び装置
JP3372555B2 (ja) * 1991-06-21 2003-02-04 キヤノン株式会社 光電変換装置
US5252819A (en) * 1991-11-13 1993-10-12 The Boeing Company Scanning sensor processing apparatus and method for providing correction of output signal distortion
JP3155817B2 (ja) * 1992-06-26 2001-04-16 キヤノン株式会社 画像形成装置
US5485281A (en) * 1992-07-31 1996-01-16 E. I. Du Pont De Nemours And Company Raster image processing with pixel mapping to allow image border density allocation
JPH06311315A (ja) * 1993-04-26 1994-11-04 Canon Inc 画像読取装置
US5519441A (en) * 1993-07-01 1996-05-21 Xerox Corporation Apparatus and method for correcting offset and gain drift present during communication of data
JPH07283944A (ja) * 1994-04-07 1995-10-27 Fujitsu Ltd 画像読み取り装置における白レベル情報補正装置及び白レベル情報補正装置付き画像読み取り装置
US5625373A (en) * 1994-07-14 1997-04-29 Honeywell Inc. Flat panel convergence circuit
JP3088063B2 (ja) * 1994-10-25 2000-09-18 富士通株式会社 カラー画像処理方法及びカラー画像処理装置
US5781314A (en) * 1995-06-15 1998-07-14 Nikon Corporation Color image reading apparatus and method
JP3612803B2 (ja) * 1995-07-10 2005-01-19 ソニー株式会社 固体撮像装置及び固体撮像素子の出力信号処理方法
JPH1023226A (ja) * 1996-07-04 1998-01-23 Matsushita Electric Ind Co Ltd 画像読み取り装置
US5838883A (en) * 1996-09-20 1998-11-17 Portalis Copying attachment for digital printing press
DE69828542T2 (de) * 1997-03-27 2005-12-22 Seiko Epson Corp. Schattierungskorrektur für einen Bildscanner
US7028899B2 (en) * 1999-06-07 2006-04-18 Metrologic Instruments, Inc. Method of speckle-noise pattern reduction and apparatus therefore based on reducing the temporal-coherence of the planar laser illumination beam before it illuminates the target object by applying temporal phase modulation techniques during the transmission of the plib towards the target
US6037890A (en) * 1997-09-30 2000-03-14 Intel Corporation Ultra high speed, low power, flash A/D converter utilizing a current mode regenerative comparator
JP3766192B2 (ja) * 1997-11-13 2006-04-12 株式会社東芝 光電変換装置、光電変換方法、画像情報処理装置、画像情報処理方法、および画像形成装置
JP4065465B2 (ja) * 1998-03-27 2008-03-26 キヤノン株式会社 ステッピングモータ制御装置、ステッピングモータ制御方法、画像読取装置及び記憶媒体
US6275281B1 (en) * 1998-09-18 2001-08-14 Canon Kabushiki Kaisha Image forming apparatus and controlling method therefor
WO2001058142A1 (fr) * 2000-02-03 2001-08-09 Matsushita Electric Industrial Co., Ltd. Dispositif d'acquisition d'images
US6396052B1 (en) 2000-04-07 2002-05-28 Lexmark International, Inc. High precision analog encoder system
JP4040261B2 (ja) * 2001-03-22 2008-01-30 富士フイルム株式会社 固体撮像装置とその駆動方法
JP3831940B2 (ja) * 2001-11-26 2006-10-11 ソニー株式会社 固体撮像装置およびそのクランプ制御方法
JP3720755B2 (ja) * 2001-11-27 2005-11-30 キヤノン株式会社 画像読み取り装置、画像読み取りシステム、画像読み取り方法、及びそのプログラム
JP4060625B2 (ja) * 2002-04-02 2008-03-12 東芝テック株式会社 画像形成装置と画像形成方法
US6867717B1 (en) 2002-04-04 2005-03-15 Dalsa, Inc. Digital encoder and method of encoding high dynamic range video images
CA2485162A1 (en) * 2002-05-06 2003-11-13 Uni-Pixel Displays, Inc. Uni-pixel displays, inc.
DE10242037A1 (de) * 2002-09-11 2004-03-25 Bts Media Solutions Gmbh Anordnung zur Korrektur von Farbvideosignalen
US7433091B2 (en) * 2002-11-28 2008-10-07 Canon Kabushiki Kaisha Image forming and reading apparatus
JP4314823B2 (ja) * 2003-01-08 2009-08-19 ブラザー工業株式会社 接続不良検出装置
WO2004072934A2 (en) * 2003-02-11 2004-08-26 Research In Motion Limited Display processing system and method
WO2005084008A1 (de) * 2004-03-01 2005-09-09 Roroco Gmbh Verfahren zum kalibrieren einer vorrichtung für das digitalisieren von film
JP2005278108A (ja) * 2004-03-26 2005-10-06 Konica Minolta Business Technologies Inc 信号処理装置
KR100660852B1 (ko) * 2005-01-15 2006-12-26 삼성전자주식회사 소형 액정표시장치의 구동 장치 및 방법
JP2006251122A (ja) * 2005-03-09 2006-09-21 Seiko Epson Corp 液晶パネルの駆動装置および画像表示装置
JP4541976B2 (ja) * 2005-06-17 2010-09-08 キヤノン株式会社 表示装置
US7973948B2 (en) * 2005-11-29 2011-07-05 Xerox Corporation Multifunction office device enabling input scanning before entering machine instructions
JP2007196621A (ja) * 2006-01-30 2007-08-09 Konica Minolta Business Technologies Inc 信号処理装置及び画像形成装置
US20070285105A1 (en) * 2006-06-02 2007-12-13 Steven Wayne Bergstedt Methods and Apparatuses for Trimming Circuits
US20080118172A1 (en) * 2006-11-22 2008-05-22 Samsung Electronics Co., Ltd. Image forming apparatus and image forming method
US8421656B2 (en) * 2010-03-25 2013-04-16 Kawasaki Microelectronics Inc Time-interleaved analog-to-digital conversion circuit having polyphase correction filter
JP6380197B2 (ja) * 2015-03-30 2018-08-29 ブラザー工業株式会社 画像読取装置
JP6551150B2 (ja) * 2015-10-23 2019-07-31 株式会社リコー 画像処理装置、画像形成装置、及び画像処理方法
US11607555B2 (en) 2016-12-12 2023-03-21 Avive Solutions, Inc. Defibrillator discharge control
US10903675B2 (en) 2016-12-12 2021-01-26 Avive Solutions, Inc. Medical device draw current regulation
CA3045299A1 (en) 2016-12-12 2018-06-21 Revive Solutions, Inc. Defibrillator
US10449380B2 (en) 2016-12-12 2019-10-22 Revive Solutions, Inc. Defibrillator
JP6821093B2 (ja) * 2018-06-29 2021-01-27 三菱電機株式会社 撮像装置及びライン変動ノイズ低減装置

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5710612B2 (de) * 1973-06-21 1982-02-27
JPS6058629B2 (ja) * 1976-09-27 1985-12-20 ソニー株式会社 映像信号のアナログ−デジタル変換回路
JPS5441061A (en) * 1977-09-08 1979-03-31 Sony Corp Analogue/digital converter
US4251802A (en) * 1977-12-28 1981-02-17 Horna Otakar A Analog to digital converter
US4216503A (en) * 1979-03-26 1980-08-05 Xerox Corporation Signal restoration and gain control for image viewing devices
DE3049369A1 (de) * 1979-12-29 1981-09-17 Canon K.K., Tokyo Bildreproduktionsgeraet
US4589034A (en) * 1980-12-05 1986-05-13 Canon Kabushiki Kaisha Image processing apparatus
US4447830A (en) * 1981-09-10 1984-05-08 Xerox Corporation Image scanning apparatus and method
JPS5873231A (ja) * 1981-10-27 1983-05-02 Shimadzu Corp Ad変換装置
DE3147409A1 (de) * 1981-11-30 1983-06-01 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zur a/d-wandlung
US4509077A (en) * 1982-12-17 1985-04-02 Ncr Canada Ltd-Ncr Canada Ltee Automatic, self-diagnosing, electro-optical imaging system
JPS59144268A (ja) * 1983-02-08 1984-08-18 Fujitsu Ltd カラ−読取装置
US4578715A (en) * 1983-02-14 1986-03-25 Ricoh Company, Ltd. Picture signal quantizing circuit
DE3413699A1 (de) * 1983-04-12 1984-10-18 Canon K.K., Tokio/Tokyo Bildverarbeitungssystem
JPS59223062A (ja) * 1983-06-01 1984-12-14 Canon Inc 画像読取装置
EP0153439B1 (de) * 1983-06-03 1993-08-04 Fondazione Pro Juventute Don Carlo Gnocchi Modular ausbaufähiges System zur Echtzeit-Verarbeitung einer TV-Anzeige, besonders brauchbar zur Koordinatenerfassung von Objekten von bekannter Form und Verfahren zur Benutzung dieses Systems bei Röntgenaufnahmen.
DE3427659A1 (de) * 1983-07-29 1985-02-07 Canon K.K., Tokio/Tokyo Vorlagenleser
US4653111A (en) * 1983-08-17 1987-03-24 Canon Kabushiki Kaisha Image data monitor apparatus
JPS6064567A (ja) * 1983-09-19 1985-04-13 Canon Inc 画像読取装置
JPS60124170A (ja) * 1983-12-09 1985-07-03 Canon Inc 画像読取り装置
JPH0757007B2 (ja) * 1984-01-23 1995-06-14 株式会社ニコン 画像読み取り装置
US4739307A (en) * 1984-01-31 1988-04-19 Analogic Corporation Multichannel predictive gain amplifier system
JPS60174570A (ja) * 1984-02-21 1985-09-07 Canon Inc 画像読取装置
JPS617906A (ja) * 1984-06-22 1986-01-14 Ricoh Co Ltd 装置状態の表示装置
JPS60230276A (ja) * 1984-04-28 1985-11-15 Toshiba Corp 画像読取装置
JPS60235577A (ja) * 1984-05-08 1985-11-22 Matsushita Electric Ind Co Ltd 画像読取装置
JPS60246176A (ja) * 1984-05-21 1985-12-05 Matsushita Electric Ind Co Ltd 画像読取装置
US4701784A (en) * 1984-06-01 1987-10-20 Matsushita Electric Industrial Co., Ltd. Pixel defect correction apparatus
JPS616714A (ja) * 1984-06-21 1986-01-13 Ricoh Co Ltd 電気負荷の制御装置
US4631598A (en) * 1984-10-15 1986-12-23 Burkhardt Norman S High speed, high resolution image processing system
DE3542884A1 (de) * 1984-12-04 1986-06-05 Canon K.K., Tokio/Tokyo Farbbildleser
FR2577669B1 (fr) * 1985-02-21 1992-05-15 Fuji Photo Film Co Ltd Procede et appareil de lecture d'image
JPS61227481A (ja) * 1985-03-30 1986-10-09 Dainippon Screen Mfg Co Ltd 画像入力装置における補正用基準デ−タ取込方法
IT1183816B (it) * 1985-05-03 1987-10-22 Olivetti & Co Spa Dispositivo di lettura digitale di documenti per apparecchiature di trasmissioni e o riproduzione di immagini con compensazione in ampiezza dei segnali di lettura
JPS61285433A (ja) * 1985-06-12 1986-12-16 Canon Inc 光量調整装置
EP0220069B1 (de) * 1985-10-18 1991-01-09 Matsushita Graphic Communication Systems, Inc. Korrektur-/Lesegerät bezogen auf eine vorangegangene Aufzeichnung
JPH0628340B2 (ja) * 1985-12-24 1994-04-13 ソニ−・テクトロニクス株式会社 アナログ・デジタル変換装置用校正方法
JPS62172866A (ja) * 1986-01-27 1987-07-29 Canon Inc 画像読取り装置
US4689034A (en) * 1986-02-07 1987-08-25 Coleco Industries, Inc. Figure toy with projectile launching mechanism
JPS6316761A (ja) * 1986-02-24 1988-01-23 Konica Corp 画像読取装置
US4733217A (en) * 1986-05-08 1988-03-22 Rca Corporation Subranging analog to digital converter
JPH07101913B2 (ja) * 1986-05-09 1995-11-01 株式会社東芝 画像形成装置
US4862286A (en) * 1986-11-14 1989-08-29 Canon Kabushiki Kaisha Image reading apparatus which adjusts image signals to improve signal balance
JPH0657046B2 (ja) * 1987-06-05 1994-07-27 キヤノン株式会社 デジタルカラ−信号処理回路
JP2533062Y2 (ja) * 1987-07-03 1997-04-16 ヤマハ株式会社 アナログディジタル変換回路
US5343201A (en) * 1988-04-07 1994-08-30 Canon Kabushiki Kaisha A-D converter
EP0396746B1 (de) * 1988-11-17 1995-04-05 Matsushita Electric Industrial Co., Ltd. Bildempfängersteuerung
US5231398A (en) * 1992-04-24 1993-07-27 Panasonic Technologies, Inc. Method and apparatus for self-tracking multiple analog to digital conversion

Also Published As

Publication number Publication date
US5748335A (en) 1998-05-05
EP0276126B1 (de) 1995-03-29
DE3856538D1 (de) 2002-09-26
EP0552849A2 (de) 1993-07-28
CA1316207C (en) 1993-04-13
EP0830012A3 (de) 1998-04-22
EP0276126A2 (de) 1988-07-27
EP0552849A3 (en) 1993-10-27
US5596427A (en) 1997-01-21
US5121230A (en) 1992-06-09
EP0830012A2 (de) 1998-03-18
DE3853439D1 (de) 1995-05-04
HK1009577A1 (en) 1999-06-04
EP0830012B1 (de) 2002-08-21
EP0276126A3 (en) 1989-10-18

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Legal Events

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