IT545970A - - Google Patents

Info

Publication number
IT545970A
IT545970A IT545970DA IT545970A IT 545970 A IT545970 A IT 545970A IT 545970D A IT545970D A IT 545970DA IT 545970 A IT545970 A IT 545970A
Authority
IT
Italy
Application number
Other languages
Italian (it)
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.)
Publication date
Publication of IT545970A publication Critical patent/IT545970A/it

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
    • 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
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original
    • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Character Input (AREA)
IT545970D 1954-12-29 IT545970A (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US478430A US2935619A (en) 1954-12-29 1954-12-29 Data handling system

Publications (1)

Publication Number Publication Date
IT545970A true IT545970A (en]) 1900-01-01

Family

ID=23899901

Family Applications (1)

Application Number Title Priority Date Filing Date
IT545970D IT545970A (en]) 1954-12-29

Country Status (8)

Country Link
US (1) US2935619A (en])
BE (1) BE544010A (en])
CH (1) CH340073A (en])
DE (1) DE1099244B (en])
FR (1) FR1160651A (en])
GB (1) GB814092A (en])
IT (1) IT545970A (en])
NL (1) NL203213A (en])

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2944217A (en) 1955-11-30 1960-07-05 Ibm Signal translating apparatus
US3209996A (en) * 1957-03-07 1965-10-05 Selby International Inc Apparatus for preparing digital record
US2985839A (en) * 1958-12-23 1961-05-23 Ibm Amplitude limiting of binary pulses with zero wander correction
US3381274A (en) * 1959-12-18 1968-04-30 Ibm Recognition systems
US3044695A (en) * 1960-03-02 1962-07-17 Circuit Res Company Electro-optical system
US3157855A (en) * 1961-09-21 1964-11-17 Control Data Corp Optical reading machine with rotary masks
DE1218771B (de) * 1963-02-12 1966-06-08 Zuse K G Anordnung zur optischen Abtastung von Hell-Dunkel-Markierungen
US3519990A (en) * 1966-09-15 1970-07-07 Control Data Corp Recognition system for reading machine
FR2211814B1 (en]) * 1972-12-26 1976-06-25 Ibm
WO1998020445A1 (en) * 1996-11-08 1998-05-14 National Computer Systems, Inc. Optical scanning with calibrated pixel output
DE502006007729D1 (de) * 2006-04-27 2010-10-07 Sick Ag Scanverfahren und -vorrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2412423A (en) * 1943-04-29 1946-12-10 Rca Corp Automatic gain control circuit
US2564572A (en) * 1946-10-31 1951-08-14 Rca Corp Gain control system for facsimile scanning
US2596741A (en) * 1948-08-28 1952-05-13 Eastman Kodak Co External memory device for electronic digital computers
US2583143A (en) * 1948-12-17 1952-01-22 Westinghouse Electric Corp Sensitivity regulator for photomultiplier tubes
USRE24447E (en) * 1949-04-27 1958-03-25 Diagnostic information monitoring
US2663758A (en) * 1951-03-01 1953-12-22 Intelligent Machines Res Corp Apparatus for reading
GB741471A (en) * 1951-06-27 1955-12-07 Mullard Radio Valve Co Ltd Improvements in or relating to apparatus for counting particles
BE527537A (en]) * 1953-03-23

Also Published As

Publication number Publication date
US2935619A (en) 1960-05-03
BE544010A (en]) 1900-01-01
FR1160651A (fr) 1958-07-24
DE1099244B (de) 1961-02-09
CH340073A (fr) 1959-07-31
NL203213A (en]) 1900-01-01
GB814092A (en) 1959-05-27

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