JPS57130181A - Optical character scanner - Google Patents

Optical character scanner

Info

Publication number
JPS57130181A
JPS57130181A JP56015484A JP1548481A JPS57130181A JP S57130181 A JPS57130181 A JP S57130181A JP 56015484 A JP56015484 A JP 56015484A JP 1548481 A JP1548481 A JP 1548481A JP S57130181 A JPS57130181 A JP S57130181A
Authority
JP
Japan
Prior art keywords
signal
basis
led
circuit
letter
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
JP56015484A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6355113B2 (enrdf_load_stackoverflow
Inventor
Yasuo Nishijima
Tetsuo Miura
Naoto Tsukagoshi
Kazunari Egami
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP56015484A priority Critical patent/JPS57130181A/ja
Priority to US06/345,905 priority patent/US4475234A/en
Publication of JPS57130181A publication Critical patent/JPS57130181A/ja
Publication of JPS6355113B2 publication Critical patent/JPS6355113B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/16—Image preprocessing
    • G06V30/162—Quantising the image signal
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Input (AREA)
  • Facsimile Scanning Arrangements (AREA)
JP56015484A 1981-02-04 1981-02-04 Optical character scanner Granted JPS57130181A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56015484A JPS57130181A (en) 1981-02-04 1981-02-04 Optical character scanner
US06/345,905 US4475234A (en) 1981-02-04 1982-02-04 Binary pattern signal producing apparatus for optical character recognition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56015484A JPS57130181A (en) 1981-02-04 1981-02-04 Optical character scanner

Publications (2)

Publication Number Publication Date
JPS57130181A true JPS57130181A (en) 1982-08-12
JPS6355113B2 JPS6355113B2 (enrdf_load_stackoverflow) 1988-11-01

Family

ID=11890064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56015484A Granted JPS57130181A (en) 1981-02-04 1981-02-04 Optical character scanner

Country Status (1)

Country Link
JP (1) JPS57130181A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03113461U (enrdf_load_stackoverflow) * 1990-03-08 1991-11-20
JPH0421212U (enrdf_load_stackoverflow) * 1990-06-15 1992-02-21

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03113461U (enrdf_load_stackoverflow) * 1990-03-08 1991-11-20
JPH0421212U (enrdf_load_stackoverflow) * 1990-06-15 1992-02-21

Also Published As

Publication number Publication date
JPS6355113B2 (enrdf_load_stackoverflow) 1988-11-01

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