IT1179598B - Testa elettronica per il rilevamento di segni grafici - Google Patents

Testa elettronica per il rilevamento di segni grafici

Info

Publication number
IT1179598B
IT1179598B IT67222/84A IT6722284A IT1179598B IT 1179598 B IT1179598 B IT 1179598B IT 67222/84 A IT67222/84 A IT 67222/84A IT 6722284 A IT6722284 A IT 6722284A IT 1179598 B IT1179598 B IT 1179598B
Authority
IT
Italy
Prior art keywords
detection
electronic head
graphic signs
graphic
signs
Prior art date
Application number
IT67222/84A
Other languages
English (en)
Other versions
IT8467222A1 (it
IT8467222A0 (it
Inventor
Paolo Filauro
Giorgio Musso
Original Assignee
Elsag
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 Elsag filed Critical Elsag
Priority to IT67222/84A priority Critical patent/IT1179598B/it
Publication of IT8467222A0 publication Critical patent/IT8467222A0/it
Priority to EP85102428A priority patent/EP0154322B1/en
Priority to DE8585102428T priority patent/DE3583161D1/de
Priority to US06/709,074 priority patent/US4673804A/en
Priority to ES541119A priority patent/ES8609775A1/es
Publication of IT8467222A1 publication Critical patent/IT8467222A1/it
Application granted granted Critical
Publication of IT1179598B publication Critical patent/IT1179598B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00—Sorting according to destination
    • B07C3/10—Apparatus characterised by the means used for detection ofthe destination
    • B07C3/14—Apparatus characterised by the means used for detection ofthe destination using light-responsive detecting means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
IT67222/84A 1984-03-09 1984-03-09 Testa elettronica per il rilevamento di segni grafici IT1179598B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT67222/84A IT1179598B (it) 1984-03-09 1984-03-09 Testa elettronica per il rilevamento di segni grafici
EP85102428A EP0154322B1 (en) 1984-03-09 1985-03-04 Electronic graphic detecting head
DE8585102428T DE3583161D1 (de) 1984-03-09 1985-03-04 Kopf zum elektronischen abtasten graphischer daten.
US06/709,074 US4673804A (en) 1984-03-09 1985-03-07 Electronic graphic detecting head
ES541119A ES8609775A1 (es) 1984-03-09 1985-03-08 Cabeza electronica para la captacion de signos graficos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67222/84A IT1179598B (it) 1984-03-09 1984-03-09 Testa elettronica per il rilevamento di segni grafici

Publications (3)

Publication Number Publication Date
IT8467222A0 IT8467222A0 (it) 1984-03-09
IT8467222A1 IT8467222A1 (it) 1985-09-09
IT1179598B true IT1179598B (it) 1987-09-16

Family

ID=11300614

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67222/84A IT1179598B (it) 1984-03-09 1984-03-09 Testa elettronica per il rilevamento di segni grafici

Country Status (5)

Country Link
US (1) US4673804A (it)
EP (1) EP0154322B1 (it)
DE (1) DE3583161D1 (it)
ES (1) ES8609775A1 (it)
IT (1) IT1179598B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3354162B2 (ja) * 1991-04-26 2002-12-09 富士通株式会社 走査装置
US5654533A (en) * 1992-10-26 1997-08-05 Kabushiki Kaisha Tec Apparatus and method for reading two-dimensional symbols
US5430285A (en) * 1993-08-20 1995-07-04 Welch Allyn, Inc. Illumination system for optical reader
US7506816B2 (en) * 2004-10-04 2009-03-24 Datalogic Scanning, Inc. System and method for determining a threshold for edge detection based on an undifferentiated equalized scan line signal

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801775A (en) * 1972-08-07 1974-04-02 Scanner Method and apparatus for identifying objects
US4121121A (en) * 1977-09-13 1978-10-17 Computer Identics Corporation Follower response control circuit
US4160156A (en) * 1978-05-04 1979-07-03 Msi Data Corporation Method and apparatus for reading bar coded data wherein the light source is periodically energized
US4335301A (en) * 1979-09-27 1982-06-15 Interface Mechanisms, Inc. Wave shaping circuit for electro-optical code readers
US4323772A (en) * 1980-03-06 1982-04-06 R. J. Reynolds Tobacco Company Bar code reader system
US4339745A (en) * 1980-05-14 1982-07-13 General Electric Company Optical character recognition
DE3109286C2 (de) * 1981-03-11 1985-02-07 Standard Elektrik Lorenz Ag, 7000 Stuttgart Optische Leseeinrichtung zum manuellen Abtasten und zum Auswerten optisch lesbarer Zeichencodeschriften
US4411016A (en) * 1981-06-01 1983-10-18 Recognition Equipment Incorporated Barcode width measurement system

Also Published As

Publication number Publication date
ES541119A0 (es) 1986-09-01
IT8467222A1 (it) 1985-09-09
EP0154322A2 (en) 1985-09-11
EP0154322B1 (en) 1991-06-12
US4673804A (en) 1987-06-16
ES8609775A1 (es) 1986-09-01
IT8467222A0 (it) 1984-03-09
EP0154322A3 (en) 1986-12-10
DE3583161D1 (de) 1991-07-18

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990330