JPH0215152B2 - - Google Patents

Info

Publication number
JPH0215152B2
JPH0215152B2 JP58094649A JP9464983A JPH0215152B2 JP H0215152 B2 JPH0215152 B2 JP H0215152B2 JP 58094649 A JP58094649 A JP 58094649A JP 9464983 A JP9464983 A JP 9464983A JP H0215152 B2 JPH0215152 B2 JP H0215152B2
Authority
JP
Japan
Prior art keywords
image signal
correction coefficient
document
reference plate
white reference
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 - Lifetime
Application number
JP58094649A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59219070A (ja
Inventor
Mitsuo Togashi
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.)
Panasonic System Solutions Japan Co Ltd
Original Assignee
Matsushita Graphic Communication Systems 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 Matsushita Graphic Communication Systems Inc filed Critical Matsushita Graphic Communication Systems Inc
Priority to JP58094649A priority Critical patent/JPS59219070A/ja
Publication of JPS59219070A publication Critical patent/JPS59219070A/ja
Publication of JPH0215152B2 publication Critical patent/JPH0215152B2/ja
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
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Input (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP58094649A 1983-05-27 1983-05-27 原稿読取装置 Granted JPS59219070A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58094649A JPS59219070A (ja) 1983-05-27 1983-05-27 原稿読取装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58094649A JPS59219070A (ja) 1983-05-27 1983-05-27 原稿読取装置

Publications (2)

Publication Number Publication Date
JPS59219070A JPS59219070A (ja) 1984-12-10
JPH0215152B2 true JPH0215152B2 (en]) 1990-04-11

Family

ID=14116098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58094649A Granted JPS59219070A (ja) 1983-05-27 1983-05-27 原稿読取装置

Country Status (1)

Country Link
JP (1) JPS59219070A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6346067A (ja) * 1986-08-13 1988-02-26 Canon Inc 画像読取装置
JP2575363B2 (ja) * 1986-08-19 1997-01-22 キヤノン株式会社 画像読取装置

Also Published As

Publication number Publication date
JPS59219070A (ja) 1984-12-10

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