JPS6041364A - 光学的読み取り装置 - Google Patents

光学的読み取り装置

Info

Publication number
JPS6041364A
JPS6041364A JP58114879A JP11487983A JPS6041364A JP S6041364 A JPS6041364 A JP S6041364A JP 58114879 A JP58114879 A JP 58114879A JP 11487983 A JP11487983 A JP 11487983A JP S6041364 A JPS6041364 A JP S6041364A
Authority
JP
Japan
Prior art keywords
light source
brightness
white level
signal
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.)
Granted
Application number
JP58114879A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0122791B2 (enrdf_load_stackoverflow
Inventor
Yoji Hoki
陽治 伯耆
Atsushi Shimoyama
霜山 篤
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP58114879A priority Critical patent/JPS6041364A/ja
Publication of JPS6041364A publication Critical patent/JPS6041364A/ja
Publication of JPH0122791B2 publication Critical patent/JPH0122791B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP58114879A 1983-06-25 1983-06-25 光学的読み取り装置 Granted JPS6041364A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58114879A JPS6041364A (ja) 1983-06-25 1983-06-25 光学的読み取り装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58114879A JPS6041364A (ja) 1983-06-25 1983-06-25 光学的読み取り装置

Publications (2)

Publication Number Publication Date
JPS6041364A true JPS6041364A (ja) 1985-03-05
JPH0122791B2 JPH0122791B2 (enrdf_load_stackoverflow) 1989-04-27

Family

ID=14648962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58114879A Granted JPS6041364A (ja) 1983-06-25 1983-06-25 光学的読み取り装置

Country Status (1)

Country Link
JP (1) JPS6041364A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62249522A (ja) * 1986-04-22 1987-10-30 Nec Corp 出力バツフア
US4954891A (en) * 1988-07-11 1990-09-04 Process Automation Business, Inc. Light guided illuminating/sectioning device for sheet inspection system
US5367223A (en) * 1991-12-30 1994-11-22 Hewlett-Packard Company Fluoresent lamp current level controller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62249522A (ja) * 1986-04-22 1987-10-30 Nec Corp 出力バツフア
US4954891A (en) * 1988-07-11 1990-09-04 Process Automation Business, Inc. Light guided illuminating/sectioning device for sheet inspection system
US5367223A (en) * 1991-12-30 1994-11-22 Hewlett-Packard Company Fluoresent lamp current level controller

Also Published As

Publication number Publication date
JPH0122791B2 (enrdf_load_stackoverflow) 1989-04-27

Similar Documents

Publication Publication Date Title
US4745488A (en) Image reader
US4827351A (en) Image reading apparatus with controlled correction for unevenness in illumination
JPH04365264A (ja) 原稿読取装置
JPS6041364A (ja) 光学的読み取り装置
JP3262609B2 (ja) 画像読取装置
US4717963A (en) Image information read apparatus
JP2529318B2 (ja) 原稿読み取り装置
JPH0147070B2 (enrdf_load_stackoverflow)
JP3128836B2 (ja) 画像読取装置におけるシェーディング補正装置
JPS6339141B2 (enrdf_load_stackoverflow)
JPS59223060A (ja) 原稿読取装置
JPH06284285A (ja) 画像読取装置
JPS63160462A (ja) 読取装置
JPS59128871A (ja) 画像読取装置
JPS62257265A (ja) 原稿読取装置
JPS63186387A (ja) 2値化回路
JPH04112561U (ja) フアクシミリ装置
JPS6151820B2 (enrdf_load_stackoverflow)
JPH01174064A (ja) 画像読取り装置のシェーディング補正装置
JPH0530352A (ja) ハンドスキヤナ装置
JPH0642714B2 (ja) 画像読取装置
JPS6126744B2 (enrdf_load_stackoverflow)
JP2001245106A (ja) 原稿読取装置
JPH01213066A (ja) 原稿移動型画像読取装置
JPH0444460A (ja) 画像入力装置