JPS603272A - 原稿読取装置 - Google Patents

原稿読取装置

Info

Publication number
JPS603272A
JPS603272A JP58111284A JP11128483A JPS603272A JP S603272 A JPS603272 A JP S603272A JP 58111284 A JP58111284 A JP 58111284A JP 11128483 A JP11128483 A JP 11128483A JP S603272 A JPS603272 A JP S603272A
Authority
JP
Japan
Prior art keywords
density
parameter
circuit
read
original
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
JP58111284A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6323708B2 (enrdf_load_stackoverflow
Inventor
Masumi Mochizuki
望月 真澄
Naotoshi Ito
直敏 伊藤
Tsuneo Takei
武井 恒夫
Hideo Uchida
内田 日出夫
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 JP58111284A priority Critical patent/JPS603272A/ja
Publication of JPS603272A publication Critical patent/JPS603272A/ja
Publication of JPS6323708B2 publication Critical patent/JPS6323708B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/407Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4076Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP58111284A 1983-06-20 1983-06-20 原稿読取装置 Granted JPS603272A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58111284A JPS603272A (ja) 1983-06-20 1983-06-20 原稿読取装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58111284A JPS603272A (ja) 1983-06-20 1983-06-20 原稿読取装置

Publications (2)

Publication Number Publication Date
JPS603272A true JPS603272A (ja) 1985-01-09
JPS6323708B2 JPS6323708B2 (enrdf_load_stackoverflow) 1988-05-17

Family

ID=14557324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58111284A Granted JPS603272A (ja) 1983-06-20 1983-06-20 原稿読取装置

Country Status (1)

Country Link
JP (1) JPS603272A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02101410U (enrdf_load_stackoverflow) * 1989-01-30 1990-08-13

Also Published As

Publication number Publication date
JPS6323708B2 (enrdf_load_stackoverflow) 1988-05-17

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