JPH01160165A - 画像読取装置 - Google Patents

画像読取装置

Info

Publication number
JPH01160165A
JPH01160165A JP62319327A JP31932787A JPH01160165A JP H01160165 A JPH01160165 A JP H01160165A JP 62319327 A JP62319327 A JP 62319327A JP 31932787 A JP31932787 A JP 31932787A JP H01160165 A JPH01160165 A JP H01160165A
Authority
JP
Japan
Prior art keywords
light source
level
section
value
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
JP62319327A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0547150B2 (en, 2012
Inventor
Osamu Ishikawa
修 石川
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP62319327A priority Critical patent/JPH01160165A/ja
Priority to US07/140,509 priority patent/US4876605A/en
Priority to EP19880300054 priority patent/EP0275143A3/en
Priority to CA000556153A priority patent/CA1285063C/en
Publication of JPH01160165A publication Critical patent/JPH01160165A/ja
Publication of JPH0547150B2 publication Critical patent/JPH0547150B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP62319327A 1987-01-12 1987-12-16 画像読取装置 Granted JPH01160165A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP62319327A JPH01160165A (ja) 1987-12-16 1987-12-16 画像読取装置
US07/140,509 US4876605A (en) 1987-01-12 1987-12-31 Image reading device
EP19880300054 EP0275143A3 (en) 1987-01-12 1988-01-06 Image reading device
CA000556153A CA1285063C (en) 1987-01-12 1988-01-08 Image reading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62319327A JPH01160165A (ja) 1987-12-16 1987-12-16 画像読取装置

Publications (2)

Publication Number Publication Date
JPH01160165A true JPH01160165A (ja) 1989-06-23
JPH0547150B2 JPH0547150B2 (en, 2012) 1993-07-15

Family

ID=18108949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62319327A Granted JPH01160165A (ja) 1987-01-12 1987-12-16 画像読取装置

Country Status (1)

Country Link
JP (1) JPH01160165A (en, 2012)

Also Published As

Publication number Publication date
JPH0547150B2 (en, 2012) 1993-07-15

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