DE3438938C2 - - Google Patents

Info

Publication number
DE3438938C2
DE3438938C2 DE3438938A DE3438938A DE3438938C2 DE 3438938 C2 DE3438938 C2 DE 3438938C2 DE 3438938 A DE3438938 A DE 3438938A DE 3438938 A DE3438938 A DE 3438938A DE 3438938 C2 DE3438938 C2 DE 3438938C2
Authority
DE
Germany
Prior art keywords
level
circuit
aperture
image
output signal
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
Application number
DE3438938A
Other languages
German (de)
English (en)
Other versions
DE3438938A1 (de
Inventor
Ryuzo Kawasaki Kanagawa Jp Motoori
Makoto Kimura
Masaki Isogai
Akimasa Tokio/Tokyo Jp Sato
Atsushi Kawasaki Kanagawa Jp Kawahara
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.)
Nikon Corp
Original Assignee
Nikon Corp
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
Application filed by Nikon Corp filed Critical Nikon Corp
Publication of DE3438938A1 publication Critical patent/DE3438938A1/de
Application granted granted Critical
Publication of DE3438938C2 publication Critical patent/DE3438938C2/de
Granted legal-status Critical Current

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
    • H04N1/40—Picture signal circuits
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE19843438938 1983-10-24 1984-10-24 Bildsignalerzeugungsvorrichtung Granted DE3438938A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58198745A JPH0773335B2 (ja) 1983-10-24 1983-10-24 光電変換装置

Publications (2)

Publication Number Publication Date
DE3438938A1 DE3438938A1 (de) 1985-05-02
DE3438938C2 true DE3438938C2 (enExample) 1993-07-08

Family

ID=16396260

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843438938 Granted DE3438938A1 (de) 1983-10-24 1984-10-24 Bildsignalerzeugungsvorrichtung

Country Status (4)

Country Link
US (1) US4651226A (enExample)
JP (1) JPH0773335B2 (enExample)
DE (1) DE3438938A1 (enExample)
GB (1) GB2150392B (enExample)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4825065A (en) * 1985-10-31 1989-04-25 Canon Kabushiki Kaisha Apparatus for reading image recorded on film
JPS62132488A (ja) * 1985-12-04 1987-06-15 Aisin Seiki Co Ltd 車輌用表示装置
US4751377A (en) * 1985-12-27 1988-06-14 Fuji Photo Film Co., Ltd. Light beam scanning recording apparatus and method of correcting intensity of image to be recorded thereby
FR2592542B1 (fr) * 1985-12-27 1994-03-25 Dreyfus Bertrand Appareil portatif de photocopie de fragments de documents.
US4949391A (en) * 1986-09-26 1990-08-14 Everex Ti Corporation Adaptive image acquisition system
JP2556486B2 (ja) * 1986-11-14 1996-11-20 キヤノン株式会社 フィルム読取装置
EP0281659B1 (de) * 1987-03-13 1989-09-27 Dr.-Ing. Rudolf Hell GmbH Verfahren und Einrichtung zum Weiss-Abgleich
US4882629A (en) * 1987-05-08 1989-11-21 Everex Ti Corporation Adaptive exposure control system
US4912558A (en) * 1988-12-27 1990-03-27 Eastman Kodak Company Optical image to video transfer system having enhanced resolution and contrast for dark areas of the image
US4920429A (en) * 1989-01-24 1990-04-24 International Business Machines Exposure compensation for a line scan camera
US4963962A (en) * 1989-01-25 1990-10-16 Visual Methods, Inc. Optical surveillance assembly and camera
JPH02261254A (ja) * 1989-03-31 1990-10-24 Fuji Photo Film Co Ltd 電子コピー装置
US5038216A (en) * 1989-04-20 1991-08-06 Eastman Kodak Company Automatic brightness algorithm in a slide to video transfer unit
EP0409161B1 (en) * 1989-07-18 2000-10-11 Fuji Photo Film Co., Ltd. Method and apparatus for controlling exposure changes of a video camera
DE4004942A1 (de) * 1990-02-16 1991-08-22 Agfa Gevaert Ag Elektronischer bildscanner mit einem zeilenfoermigen bildsensor
US5191406A (en) * 1990-04-20 1993-03-02 Nikon Corporation Method and apparatus for rapid scanning of color images
DE69131760T2 (de) * 1990-05-02 2000-04-27 Canon K.K., Tokio/Tokyo Bildabtastungsvorrichtung
AT399059B (de) * 1992-12-03 1995-03-27 Tabarelli Werner Bildwandlungseinrichtung
JP3409045B2 (ja) * 1993-12-24 2003-05-19 富士写真フイルム株式会社 フイルム画像入力方法及び装置
GB9411231D0 (en) * 1994-06-04 1994-07-27 Kellam Keith Laser doppler microscopy methods and instruments
CA2153210A1 (en) * 1995-06-30 1996-12-31 C. Rex Welsh Apparatus and method for computerized acquisition of x-ray images
JPH1013623A (ja) * 1996-06-21 1998-01-16 Nikon Corp 画像入力方法
JP2002044454A (ja) * 2000-07-28 2002-02-08 Ricoh Co Ltd 画像読取方法および画像読取装置および画像読取装置の制御方法および画像処理装置
JP2006040976A (ja) * 2004-07-22 2006-02-09 Hamamatsu Photonics Kk 光検出器
US7876980B2 (en) * 2004-11-11 2011-01-25 Panasonic Corporation Imaging apparatus and imaging method for outputting a specified number of pixels in a specified area
US10568496B2 (en) * 2012-07-26 2020-02-25 DePuy Synthes Products, Inc. Continuous video in a light deficient environment
CN104619237B (zh) 2012-07-26 2018-03-30 德普伊辛迪斯制品公司 光不足环境中的ycbcr脉冲调制的照明方案
CA2907116A1 (en) 2013-03-15 2014-09-18 Olive Medical Corporation Controlling the integral light energy of a laser pulse
JP6422937B2 (ja) 2013-03-15 2018-11-14 デピュイ・シンセス・プロダクツ・インコーポレイテッド 光制御された環境において感知する内視鏡
EP2967294B1 (en) 2013-03-15 2020-07-29 DePuy Synthes Products, Inc. Super resolution and color motion artifact correction in a pulsed color imaging system
WO2015143453A1 (en) 2014-03-21 2015-09-24 Olive Medical Corporation Card edge connector for an imaging sensor

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624291A (en) * 1968-12-28 1971-11-30 Olympus Optical Co Optically interlaced scanning and reproducing apparatus using multiple drums to permit scanning of motion picture film or stationary film
US3804976A (en) * 1972-05-15 1974-04-16 Kaiser Aerospace & Electronics Multiplexed infrared imaging system
JPS539888B2 (enExample) * 1973-11-01 1978-04-10
JPS5323506A (en) * 1976-08-18 1978-03-04 Ricoh Co Ltd Reading system
DE2654943C2 (de) * 1976-12-03 1985-10-24 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren und Vorrichtung zur Vorprüfung von zu einem Vorlagenband zusammengefaßten Kopiervorlagen
DE2717685C3 (de) * 1977-04-21 1981-04-02 Audi Nsu Auto Union Ag, 7107 Neckarsulm Brennkraftmaschine für Kraftfahrzeuge
US4158859A (en) * 1977-07-25 1979-06-19 Hazeltine Corporation Automatic control of iris and clamping voltage in video signal generator
JPS5560826A (en) * 1978-11-01 1980-05-08 Olympus Optical Co Ltd Photometry
US4255764A (en) * 1979-08-20 1981-03-10 Eastman Kodak Company Film scanner employing optical splice technique for frame-rate conversion
JPS5660165A (en) * 1979-10-20 1981-05-23 Canon Inc Picture reader
US4329717A (en) * 1980-02-11 1982-05-11 Exxon Research & Engineering Co. Facsimile method and apparatus for setting white level
JPS57208768A (en) * 1981-06-19 1982-12-21 Hitachi Ltd Digitizing system for video signal
JPS5839168A (ja) * 1981-09-02 1983-03-07 Ricoh Co Ltd ガンマ補正装置
JPS58156260A (ja) * 1982-03-12 1983-09-17 Canon Inc 画像読取り装置
JPS58178665A (ja) * 1982-04-12 1983-10-19 Canon Inc 画像処理装置
JPH0757006B2 (ja) * 1983-08-09 1995-06-14 富士写真フイルム株式会社 階調変換テーブルの自動設定方式
JP2501782B2 (ja) * 1983-09-16 1996-05-29 株式会社ニコン 画像走査装置

Also Published As

Publication number Publication date
GB8426868D0 (en) 1984-11-28
DE3438938A1 (de) 1985-05-02
GB2150392B (en) 1988-02-10
JPS6090466A (ja) 1985-05-21
GB2150392A (en) 1985-06-26
JPH0773335B2 (ja) 1995-08-02
US4651226A (en) 1987-03-17

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: NIKON CORP. KYODO NEWS SERVICE, TOKIO/TOKYO, JP

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: DRES. WESER UND MARTIN, 81245 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: NIKON CORP., TOKIO/TOKYO, JP

8328 Change in the person/name/address of the agent

Free format text: WESER & KOLLEGEN, 81245 MUENCHEN

8339 Ceased/non-payment of the annual fee