JPS6429059A - Image reader - Google Patents

Image reader

Info

Publication number
JPS6429059A
JPS6429059A JP62184456A JP18445687A JPS6429059A JP S6429059 A JPS6429059 A JP S6429059A JP 62184456 A JP62184456 A JP 62184456A JP 18445687 A JP18445687 A JP 18445687A JP S6429059 A JPS6429059 A JP S6429059A
Authority
JP
Japan
Prior art keywords
original
sensor
image
detector
inclination
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.)
Pending
Application number
JP62184456A
Other languages
Japanese (ja)
Inventor
Tatsunari Sato
Muneo Kawamoto
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP62184456A priority Critical patent/JPS6429059A/en
Publication of JPS6429059A publication Critical patent/JPS6429059A/en
Pending legal-status Critical Current

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  • Facsimile Scanning Arrangements (AREA)

Abstract

PURPOSE:To prevent deterioration in the quality of an image obtained from a inlined original by controlling the speed of the extraction of image data in the subscanning direction corresponding to the inclination of the original- surface. CONSTITUTION:An original 1 is placed on a platen 2, and an image on the original 1 is formed on a linear image sensor 5 via a rod lens array 4. A distance detector 3 is constituted by combining a semiconductor laser and a beam detector, which detects the relative distance between the original 1 and the sensor 5 by means of trigonometric survey. A reader part casing drive motor 9 is controlled based on a distance measured by the detector 3, in order to move the sensor 5 to a focussing position. Also, the speed of the extraction of image data in the subscanning direction is controlled corresponding to the inclination of the original-surface.
JP62184456A 1987-07-23 1987-07-23 Image reader Pending JPS6429059A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62184456A JPS6429059A (en) 1987-07-23 1987-07-23 Image reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62184456A JPS6429059A (en) 1987-07-23 1987-07-23 Image reader

Publications (1)

Publication Number Publication Date
JPS6429059A true JPS6429059A (en) 1989-01-31

Family

ID=16153467

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62184456A Pending JPS6429059A (en) 1987-07-23 1987-07-23 Image reader

Country Status (1)

Country Link
JP (1) JPS6429059A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008301313A (en) * 2007-06-01 2008-12-11 Canon Inc Image reader
JP2009284253A (en) * 2008-05-22 2009-12-03 Sharp Corp Document reader and image forming apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008301313A (en) * 2007-06-01 2008-12-11 Canon Inc Image reader
JP2009284253A (en) * 2008-05-22 2009-12-03 Sharp Corp Document reader and image forming apparatus
US8228568B2 (en) 2008-05-22 2012-07-24 Sharp Kabushiki Kaisha Document read apparatus and image forming apparatus

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