JPS60114085A - 原稿読取装置 - Google Patents

原稿読取装置

Info

Publication number
JPS60114085A
JPS60114085A JP58222485A JP22248583A JPS60114085A JP S60114085 A JPS60114085 A JP S60114085A JP 58222485 A JP58222485 A JP 58222485A JP 22248583 A JP22248583 A JP 22248583A JP S60114085 A JPS60114085 A JP S60114085A
Authority
JP
Japan
Prior art keywords
background level
signal
level
image signal
reflectance
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
JP58222485A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0234234B2 (OSRAM
Inventor
Hideyuki Hanaoka
花岡　秀行
Toshihiro Suzuki
俊宏 鈴木
Mitsuo Togashi
富樫　光夫
Hiroshi Ochi
宏 越智
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
NTT Inc
Original Assignee
Matsushita Graphic Communication Systems Inc
Nippon Telegraph and Telephone Corp
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, Nippon Telegraph and Telephone Corp filed Critical Matsushita Graphic Communication Systems Inc
Priority to JP58222485A priority Critical patent/JPS60114085A/ja
Publication of JPS60114085A publication Critical patent/JPS60114085A/ja
Publication of JPH0234234B2 publication Critical patent/JPH0234234B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Facsimile Image Signal Circuits (AREA)
JP58222485A 1983-11-25 1983-11-25 原稿読取装置 Granted JPS60114085A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58222485A JPS60114085A (ja) 1983-11-25 1983-11-25 原稿読取装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58222485A JPS60114085A (ja) 1983-11-25 1983-11-25 原稿読取装置

Publications (2)

Publication Number Publication Date
JPS60114085A true JPS60114085A (ja) 1985-06-20
JPH0234234B2 JPH0234234B2 (OSRAM) 1990-08-02

Family

ID=16783165

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58222485A Granted JPS60114085A (ja) 1983-11-25 1983-11-25 原稿読取装置

Country Status (1)

Country Link
JP (1) JPS60114085A (OSRAM)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58178667A (ja) * 1982-04-12 1983-10-19 Fujitsu Ltd 信号処理回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58178667A (ja) * 1982-04-12 1983-10-19 Fujitsu Ltd 信号処理回路

Also Published As

Publication number Publication date
JPH0234234B2 (OSRAM) 1990-08-02

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