IT977311B - Convertitore fotonico numerico ad esempio per lettori di schede stam pate a rilievo - Google Patents

Convertitore fotonico numerico ad esempio per lettori di schede stam pate a rilievo

Info

Publication number
IT977311B
IT977311B IT48205/73A IT4820573A IT977311B IT 977311 B IT977311 B IT 977311B IT 48205/73 A IT48205/73 A IT 48205/73A IT 4820573 A IT4820573 A IT 4820573A IT 977311 B IT977311 B IT 977311B
Authority
IT
Italy
Prior art keywords
numeric
card readers
printed card
photon converter
relief printed
Prior art date
Application number
IT48205/73A
Other languages
English (en)
Italian (it)
Original Assignee
North American Rockwell
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 North American Rockwell filed Critical North American Rockwell
Application granted granted Critical
Publication of IT977311B publication Critical patent/IT977311B/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
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/048—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using other optical storage elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Analogue/Digital Conversion (AREA)
  • Character Input (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
IT48205/73A 1972-03-13 1973-02-12 Convertitore fotonico numerico ad esempio per lettori di schede stam pate a rilievo IT977311B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23405072A 1972-03-13 1972-03-13

Publications (1)

Publication Number Publication Date
IT977311B true IT977311B (it) 1974-09-10

Family

ID=22879681

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48205/73A IT977311B (it) 1972-03-13 1973-02-12 Convertitore fotonico numerico ad esempio per lettori di schede stam pate a rilievo

Country Status (7)

Country Link
US (1) US3721963A (en, 2012)
JP (1) JPS5548619B2 (en, 2012)
CA (1) CA993557A (en, 2012)
DE (1) DE2312056C3 (en, 2012)
FR (1) FR2176349A5 (en, 2012)
GB (1) GB1393205A (en, 2012)
IT (1) IT977311B (en, 2012)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914597A (en) * 1974-07-12 1975-10-21 Us Air Force System for adjusting individual sensors in an array
US4097732A (en) * 1977-06-02 1978-06-27 Burroughs Corporation Automatic gain control for photosensing devices
US4097731A (en) * 1977-06-02 1978-06-27 Burroughs Corporation Automatic gain control for photosensing devices
US4309630A (en) * 1979-12-10 1982-01-05 Bell Telephone Laboratories, Incorporated Buffer circuitry
JPS6184054A (ja) * 1984-09-27 1986-04-28 シーメンス、アクチエンゲゼルシヤフト 集積ｍｏｓ回路
US4840069A (en) * 1986-09-03 1989-06-20 Grumman Aerospace Corporation Electro-optic space positioner with background compensator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252143A (en) * 1959-10-12 1966-05-17 Svenska Dataregister Ab Data handling system
US3229047A (en) * 1962-08-06 1966-01-11 Motorola Inc Data conversion systems
JPS4023832Y1 (en, 2012) * 1965-02-15 1965-08-13

Also Published As

Publication number Publication date
JPS493557A (en, 2012) 1974-01-12
DE2312056C3 (de) 1978-10-12
DE2312056A1 (de) 1973-09-20
DE2312056B2 (de) 1978-02-23
FR2176349A5 (en, 2012) 1973-10-26
GB1393205A (en) 1975-05-07
JPS5548619B2 (en, 2012) 1980-12-06
CA993557A (en) 1976-07-20
US3721963A (en) 1973-03-20

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