JPS57183176A - Picture reader - Google Patents

Picture reader

Info

Publication number
JPS57183176A
JPS57183176A JP56067672A JP6767281A JPS57183176A JP S57183176 A JPS57183176 A JP S57183176A JP 56067672 A JP56067672 A JP 56067672A JP 6767281 A JP6767281 A JP 6767281A JP S57183176 A JPS57183176 A JP S57183176A
Authority
JP
Japan
Prior art keywords
read
kinds
output value
density
values
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
JP56067672A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6156668B2 (enrdf_load_stackoverflow
Inventor
Toru Kaneko
Masashi Okudaira
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP56067672A priority Critical patent/JPS57183176A/ja
Publication of JPS57183176A publication Critical patent/JPS57183176A/ja
Publication of JPS6156668B2 publication Critical patent/JPS6156668B2/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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Transmission Control (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Heads (AREA)
JP56067672A 1981-05-07 1981-05-07 Picture reader Granted JPS57183176A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56067672A JPS57183176A (en) 1981-05-07 1981-05-07 Picture reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56067672A JPS57183176A (en) 1981-05-07 1981-05-07 Picture reader

Publications (2)

Publication Number Publication Date
JPS57183176A true JPS57183176A (en) 1982-11-11
JPS6156668B2 JPS6156668B2 (enrdf_load_stackoverflow) 1986-12-03

Family

ID=13351716

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56067672A Granted JPS57183176A (en) 1981-05-07 1981-05-07 Picture reader

Country Status (1)

Country Link
JP (1) JPS57183176A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS636958A (ja) * 1986-06-26 1988-01-12 Canon Inc 原稿読取装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS636958A (ja) * 1986-06-26 1988-01-12 Canon Inc 原稿読取装置

Also Published As

Publication number Publication date
JPS6156668B2 (enrdf_load_stackoverflow) 1986-12-03

Similar Documents

Publication Publication Date Title
GB1512891A (en) Method and apparatus for enhancing data
JPS57141779A (en) Character cutout system
JPS5510618A (en) Character reader
JPS6159913A (ja) Ａｄ変換回路
JPS5537018A (en) Moving correction noise lowering system
JPS57183176A (en) Picture reader
EP0196044A3 (en) Image input system
EP0399120A3 (en) D/a conversion circuit
KR850003093A (ko) 아나로 그-디지탈 변환장치
ES542409A0 (es) "un dispositivo semiconductor acoplado en carga"
JPS5518114A (en) Analog-digital converter
JPS5757082A (en) Conversion method for picture element density
JPS5571353A (en) Picture noise eliminating method
JPS56123073A (en) Bicolor picture signal deciding circuit
JPS5534514A (en) Picture information reading device
JPS6456426A (en) Optical a/d converter
JPS5690373A (en) Digitizing processing system for binary pattern
JPS5672580A (en) Read signal processor
JPS53119635A (en) Correcting method for digital signal
JPS5668875A (en) Binary system
JPS56110186A (en) Interpolation system in digital image processing
JPS5799868A (en) Picture signal processing system
JPS5795759A (en) Picture signal processing device
JPS54159810A (en) Original scanner
JPS5668874A (en) Initial value set system of white level follower circuit