DE3856538D1 - Bildlesegerät - Google Patents

Bildlesegerät

Info

Publication number
DE3856538D1
DE3856538D1 DE3856538T DE3856538T DE3856538D1 DE 3856538 D1 DE3856538 D1 DE 3856538D1 DE 3856538 T DE3856538 T DE 3856538T DE 3856538 T DE3856538 T DE 3856538T DE 3856538 D1 DE3856538 D1 DE 3856538D1
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
DE3856538T
Other languages
English (en)
Inventor
Yasumichi Suzuki
Toshio Honma
Hiroshi Itagaki
Nobuo Matsuoka
Kenji Sasahara
Shizuo Hasegawa
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 JP62009472A external-priority patent/JP2898972B2/ja
Priority claimed from JP62009473A external-priority patent/JPS63276972A/ja
Priority claimed from JP62009471A external-priority patent/JP2682982B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE3856538D1 publication Critical patent/DE3856538D1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
  • Color Image Communication Systems (AREA)
  • Image Input (AREA)
DE3856538T 1987-01-19 1988-01-19 Bildlesegerät Expired - Lifetime DE3856538D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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
JP62009471A JP2682982B2 (ja) 1987-01-19 1987-01-19 カラー画像読取装置

Publications (1)

Publication Number Publication Date
DE3856538D1 true DE3856538D1 (de) 2002-09-26

Family

ID=27278493

Family Applications (2)

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

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3853439T Expired - Lifetime DE3853439T2 (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) DE3856538D1 (de)
HK (1) HK1009577A1 (de)

Families Citing this family (50)

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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
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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
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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
US6151419A (en) * 1997-03-27 2000-11-21 Seiko Epson Corporation Image reading method and image reading apparatus
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
MXPA04010999A (es) * 2002-05-06 2005-06-08 Uni Pixel Displays Inc Eficiencia de sucesion de colores de imagen.
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
ATE347721T1 (de) * 2003-02-11 2006-12-15 Research In Motion Ltd Anzeigeverarbeitungssystem und verfahren
DE112005001006A5 (de) * 2004-03-01 2007-05-24 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
JP5142342B2 (ja) * 2010-03-25 2013-02-13 川崎マイクロエレクトロニクス株式会社 Ad変換回路
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
JP7257681B2 (ja) 2016-12-12 2023-04-14 アバイブ・ソリューションズ・インコーポレーテッド 除細動器
US10903675B2 (en) 2016-12-12 2021-01-26 Avive Solutions, Inc. Medical device draw current regulation
US11607555B2 (en) 2016-12-12 2023-03-21 Avive Solutions, Inc. Defibrillator discharge control
US10449380B2 (en) 2016-12-12 2019-10-22 Revive Solutions, Inc. Defibrillator
EP3817352B1 (de) * 2018-06-29 2022-05-11 Mitsubishi Electric Corporation Bildgebungsvorrichtung und zeilenvariationsrauschdämpfer

Family Cites Families (48)

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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
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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
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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
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Also Published As

Publication number Publication date
EP0552849A2 (de) 1993-07-28
EP0552849A3 (en) 1993-10-27
DE3853439T2 (de) 1995-09-14
CA1316207C (en) 1993-04-13
EP0276126A3 (en) 1989-10-18
EP0276126B1 (de) 1995-03-29
US5748335A (en) 1998-05-05
HK1009577A1 (en) 1999-06-04
EP0830012A2 (de) 1998-03-18
EP0276126A2 (de) 1988-07-27
US5121230A (en) 1992-06-09
EP0830012B1 (de) 2002-08-21
US5596427A (en) 1997-01-21
DE3853439D1 (de) 1995-05-04
EP0830012A3 (de) 1998-04-22

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Legal Events

Date Code Title Description
8332 No legal effect for de