DE2505588A1 - Vorrichtung zum lesen von informationen in form von kontrastmarkierungen - Google Patents

Vorrichtung zum lesen von informationen in form von kontrastmarkierungen

Info

Publication number
DE2505588A1
DE2505588A1 DE19752505588 DE2505588A DE2505588A1 DE 2505588 A1 DE2505588 A1 DE 2505588A1 DE 19752505588 DE19752505588 DE 19752505588 DE 2505588 A DE2505588 A DE 2505588A DE 2505588 A1 DE2505588 A1 DE 2505588A1
Authority
DE
Germany
Prior art keywords
signals
scan
circuits
marking
signal
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
DE19752505588
Other languages
German (de)
English (en)
Other versions
DE2505588C2 (enExample
Inventor
Norbert K Acker
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.)
SCANNER Inc
Original Assignee
SCANNER 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 SCANNER Inc filed Critical SCANNER Inc
Priority to DE19752505588 priority Critical patent/DE2505588A1/de
Publication of DE2505588A1 publication Critical patent/DE2505588A1/de
Application granted granted Critical
Publication of DE2505588C2 publication Critical patent/DE2505588C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/98—Detection or correction of errors, e.g. by rescanning the pattern or by human intervention; Evaluation of the quality of the acquired patterns
    • 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
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
    • G06V30/2247—Characters composed of bars, e.g. CMC-7

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Character Input (AREA)
DE19752505588 1975-02-11 1975-02-11 Vorrichtung zum lesen von informationen in form von kontrastmarkierungen Granted DE2505588A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19752505588 DE2505588A1 (de) 1975-02-11 1975-02-11 Vorrichtung zum lesen von informationen in form von kontrastmarkierungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752505588 DE2505588A1 (de) 1975-02-11 1975-02-11 Vorrichtung zum lesen von informationen in form von kontrastmarkierungen

Publications (2)

Publication Number Publication Date
DE2505588A1 true DE2505588A1 (de) 1976-08-19
DE2505588C2 DE2505588C2 (enExample) 1987-10-15

Family

ID=5938554

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752505588 Granted DE2505588A1 (de) 1975-02-11 1975-02-11 Vorrichtung zum lesen von informationen in form von kontrastmarkierungen

Country Status (1)

Country Link
DE (1) DE2505588A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815869A1 (de) * 1987-05-08 1988-11-17 Ricoh Kk Verfahren zum extrahieren von merkmalsmengen eines zeichens

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852573A (en) * 1973-11-16 1974-12-03 Scanner Alignment correction for read scan raster fields

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852573A (en) * 1973-11-16 1974-12-03 Scanner Alignment correction for read scan raster fields

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM Technical Disclosure Bulletin Vol. 17, Nr. 7, Dezember 1974, S. 1981 und 1982 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815869A1 (de) * 1987-05-08 1988-11-17 Ricoh Kk Verfahren zum extrahieren von merkmalsmengen eines zeichens

Also Published As

Publication number Publication date
DE2505588C2 (enExample) 1987-10-15

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Legal Events

Date Code Title Description
OGA New person/name/address of the applicant
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G06K 9/18

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee