JPH0321160A - 画像読取装置 - Google Patents

画像読取装置

Info

Publication number
JPH0321160A
JPH0321160A JP2143708A JP14370890A JPH0321160A JP H0321160 A JPH0321160 A JP H0321160A JP 2143708 A JP2143708 A JP 2143708A JP 14370890 A JP14370890 A JP 14370890A JP H0321160 A JPH0321160 A JP H0321160A
Authority
JP
Japan
Prior art keywords
value
data
circuit
signal
control
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.)
Granted
Application number
JP2143708A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0530104B2 (enExample
Inventor
Sunao Nagashima
直 長島
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
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2143708A priority Critical patent/JPH0321160A/ja
Publication of JPH0321160A publication Critical patent/JPH0321160A/ja
Publication of JPH0530104B2 publication Critical patent/JPH0530104B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP2143708A 1990-06-01 1990-06-01 画像読取装置 Granted JPH0321160A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2143708A JPH0321160A (ja) 1990-06-01 1990-06-01 画像読取装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2143708A JPH0321160A (ja) 1990-06-01 1990-06-01 画像読取装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP58097168A Division JPS59223062A (ja) 1983-06-01 1983-06-01 画像読取装置

Publications (2)

Publication Number Publication Date
JPH0321160A true JPH0321160A (ja) 1991-01-29
JPH0530104B2 JPH0530104B2 (enExample) 1993-05-07

Family

ID=15345130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2143708A Granted JPH0321160A (ja) 1990-06-01 1990-06-01 画像読取装置

Country Status (1)

Country Link
JP (1) JPH0321160A (enExample)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974951A (enExample) * 1972-10-13 1974-07-19
JPS5395020A (en) * 1977-01-31 1978-08-19 Ricoh Co Ltd System for detecting when light quantity is stabilized
JPS56123564A (en) * 1980-03-05 1981-09-28 Fuji Xerox Co Ltd Original illumination device for electronic copy machine
JPS5781775A (en) * 1980-11-11 1982-05-21 Iwatsu Electric Co Ltd Image pickup equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974951A (enExample) * 1972-10-13 1974-07-19
JPS5395020A (en) * 1977-01-31 1978-08-19 Ricoh Co Ltd System for detecting when light quantity is stabilized
JPS56123564A (en) * 1980-03-05 1981-09-28 Fuji Xerox Co Ltd Original illumination device for electronic copy machine
JPS5781775A (en) * 1980-11-11 1982-05-21 Iwatsu Electric Co Ltd Image pickup equipment

Also Published As

Publication number Publication date
JPH0530104B2 (enExample) 1993-05-07

Similar Documents

Publication Publication Date Title
JPH0527295B2 (enExample)
US5181118A (en) Method of correcting image signal
KR101391482B1 (ko) 화상 처리 장치, 화상 처리 방법, 표시 장치, 및 투사형표시 장치
US6940522B2 (en) Correction curve generating method, image processing method, image display unit, and storage medium
US20060209367A1 (en) Method and apparatus for image processing
JPH0321161A (ja) 画像読取装置
JPH0321160A (ja) 画像読取装置
JPS60124176A (ja) シエ−デイング補正方式
JPH0316365A (ja) 画像読取装置
JP2891775B2 (ja) ハーフトーン原画像の網目スクリーン化のためのデジタル化濃度限界値生成及び記憶方法
JP4194210B2 (ja) 画像読取装置、及び画像読取装置の制御方法
JPS62172861A (ja) 原稿読取装置
JP2000228726A (ja) 選択的に決定されるシステム応答ゲイン較正を用いた写真フィルム画像の走査方法
JP7593382B2 (ja) 表示方法、表示システム、及びプログラム
JP4895391B2 (ja) 画像読み取り装置
JP3168020B2 (ja) 画像読取装置および方法
JP3788744B2 (ja) 画像読取装置
JP2003348350A (ja) 画像入力装置
JPH02183667A (ja) シェーデイング補正方法
JP2627220B2 (ja) 画像読取装置
JP2627219B2 (ja) 画像読取装置
JPH07264406A (ja) 画像読取装置のガンマ補正方法
JPH01108860A (ja) 画像読取装置
KR950006181B1 (ko) 팩시밀리의 화상처리방법
JPH02265378A (ja) 画像読取装置