JP4018655B2 - 光電変換装置および読取装置 - Google Patents
光電変換装置および読取装置 Download PDFInfo
- Publication number
- JP4018655B2 JP4018655B2 JP2004080226A JP2004080226A JP4018655B2 JP 4018655 B2 JP4018655 B2 JP 4018655B2 JP 2004080226 A JP2004080226 A JP 2004080226A JP 2004080226 A JP2004080226 A JP 2004080226A JP 4018655 B2 JP4018655 B2 JP 4018655B2
- Authority
- JP
- Japan
- Prior art keywords
- photoelectric conversion
- conversion device
- power supply
- reading
- devices
- 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
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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
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00684—Object of the detection
- H04N1/00708—Size or dimensions
-
- 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
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00763—Action taken as a result of detection
- H04N1/00774—Adjusting or controlling
-
- 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
- H04N1/00795—Reading arrangements
-
- 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
- H04N1/00795—Reading arrangements
- H04N1/00798—Circuits or arrangements for the control thereof, e.g. using a programmed control device or according to a measured quantity
- H04N1/00816—Determining the reading area, e.g. eliminating reading of margins
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
- H04N25/44—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array
- H04N25/443—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by partially reading an SSIS array by reading pixels from selected 2D regions of the array, e.g. for windowing or digital zooming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
- H04N25/73—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors using interline transfer [IT]
-
- 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
- H04N2201/0077—Types of the still picture apparatus
- H04N2201/0081—Image reader
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Facsimile Heads (AREA)
- Solid State Image Pick-Up Elements (AREA)
Description
1…光源、
2、3…光電変換素子アレイ、
4、5…スイッチアレイ、
6、7…アナログシフトレジスタ、
8、9…出力バッファ手段、
Vout1、Vout2…出力信号。
Claims (2)
- 光源により照射された原稿からの反射光を光電変換素子が受光し、上記光電変換素子に蓄積された信号を、増幅し、時系列的に画像信号を出力する光電変換装置において、
上記光電変換装置内の一部の装置への電源供給を停止する電源供給停止手段と;
電源供給が停止される上記光電変換装置内の一部の装置からのデータの読み出しと、電源供給が停止されない上記光電変換装置内の他の装置からのデータの読み出しとを並列に実行する出力手段と;
を有し、上記電源供給停止手段により上記光電変換装置内の一部の装置への電源供給が停止されない場合、上記出力手段は、上記光電変換装置内の一部の装置からのデータの読み出しと、上記光電変換装置内の他の装置からのデータの読み出しとを並列に実行することを特徴とする光電変換装置。 - 光源からの光を原稿に照射し、上記原稿からの反射光を光電変換素子が受光し、上記光電変換素子に蓄積された信号を、増幅し、時系列的に画像信号を出力する光電変換装置を具備する読取装置において、
上記光電変換装置内の一部の装置への電源供給を停止する電源供給停止手段と;
原稿サイズを検知した後に、上記光電変換装置における走査長よりも、原稿幅が短い場合に、上記光電変換装置内の一部の装置への電源供給を停止するように、上記電源供給停止手段を制御する制御手段と;
電源供給が停止される上記光電変換装置内の一部の装置からのデータの読み出しと、電源供給が停止されない上記光電変換装置内の他の装置からのデータの読み出しとを並列に実行する出力手段と;
を有し、上記制御手段は、検知した原稿サイズに基づき上記光電変換装置における走査長で読取を行うと判断した場合、上記電源供給停止手段に上記光電変換装置内の一部の装置への電源供給を停止させず、その際、上記出力手段は、上記光電変換装置内の一部の装置からのデータの読み出しと、上記光電変換装置内の他の装置からのデータの読み出しとを並列に実行することを特徴とする読取装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004080226A JP4018655B2 (ja) | 2004-03-19 | 2004-03-19 | 光電変換装置および読取装置 |
US11/083,293 US7511256B2 (en) | 2004-03-19 | 2005-03-17 | Photoelectric conversion apparatus and image reading apparatus having power supply stop means for stopping supplying power to a part of the apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004080226A JP4018655B2 (ja) | 2004-03-19 | 2004-03-19 | 光電変換装置および読取装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005269340A JP2005269340A (ja) | 2005-09-29 |
JP4018655B2 true JP4018655B2 (ja) | 2007-12-05 |
Family
ID=34985808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004080226A Expired - Fee Related JP4018655B2 (ja) | 2004-03-19 | 2004-03-19 | 光電変換装置および読取装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7511256B2 (ja) |
JP (1) | JP4018655B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4626597B2 (ja) * | 2006-09-27 | 2011-02-09 | ブラザー工業株式会社 | 画像読取装置 |
JP4556993B2 (ja) * | 2007-12-07 | 2010-10-06 | セイコーエプソン株式会社 | 状態検査システム |
JP6145973B2 (ja) * | 2012-08-16 | 2017-06-14 | 株式会社リコー | 固体撮像装置、画像読取装置、及び画像形成装置 |
JP6065268B2 (ja) * | 2013-01-08 | 2017-01-25 | 株式会社リコー | 原稿読取装置、及び画像形成装置 |
JP6961465B2 (ja) * | 2017-11-07 | 2021-11-05 | キヤノン株式会社 | 電子線検出素子、電子顕微鏡、および、透過型電子顕微鏡 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3116539B2 (ja) | 1992-04-23 | 2000-12-11 | 株式会社リコー | 画像読み取り装置および方法 |
JP3557675B2 (ja) * | 1994-12-16 | 2004-08-25 | 富士ゼロックス株式会社 | 画像読取装置 |
JPH09219829A (ja) | 1996-02-14 | 1997-08-19 | Nec Home Electron Ltd | オンスクリーン表示方法及びオンスクリーン表示装置 |
JP3347625B2 (ja) * | 1996-12-24 | 2002-11-20 | キヤノン株式会社 | 光電変換装置 |
-
2004
- 2004-03-19 JP JP2004080226A patent/JP4018655B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-17 US US11/083,293 patent/US7511256B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US7511256B2 (en) | 2009-03-31 |
US20050206761A1 (en) | 2005-09-22 |
JP2005269340A (ja) | 2005-09-29 |
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