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SE389934B - Anordning for att vid lesning av pa ett foremal anbragta, optiskt lesbara tecken utjemna variationer i ljusflodets intensitet - Google Patents

Anordning for att vid lesning av pa ett foremal anbragta, optiskt lesbara tecken utjemna variationer i ljusflodets intensitet

Info

Publication number
SE389934B
SE389934B SE7202235A SE223572A SE389934B SE 389934 B SE389934 B SE 389934B SE 7202235 A SE7202235 A SE 7202235A SE 223572 A SE223572 A SE 223572A SE 389934 B SE389934 B SE 389934B
Authority
SE
Sweden
Prior art keywords
reading
opticly
flood
intensity
light
Prior art date
Application number
SE7202235A
Other languages
English (en)
Swedish (sv)
Inventor
E Sick
G F J Pinior
J Plockl
Original Assignee
Zellweger Uster Ag
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 Zellweger Uster Ag filed Critical Zellweger Uster Ag
Publication of SE389934B publication Critical patent/SE389934B/xx

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
    • G06K7/10861—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 sensing of data fields affixed to objects or articles, e.g. coded labels
    • G06K7/10871—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 sensing of data fields affixed to objects or articles, e.g. coded labels randomly oriented data-fields, code-marks therefore, e.g. concentric circles-code

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Character Input (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Image Input (AREA)
  • Facsimile Scanning Arrangements (AREA)
SE7202235A 1971-03-22 1972-02-23 Anordning for att vid lesning av pa ett foremal anbragta, optiskt lesbara tecken utjemna variationer i ljusflodets intensitet SE389934B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH424171A CH537057A (de) 1971-03-22 1971-03-22 Lesevorrichtung für optisch erkennbare Zeichen

Publications (1)

Publication Number Publication Date
SE389934B true SE389934B (sv) 1976-11-22

Family

ID=4272428

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7202235A SE389934B (sv) 1971-03-22 1972-02-23 Anordning for att vid lesning av pa ett foremal anbragta, optiskt lesbara tecken utjemna variationer i ljusflodets intensitet

Country Status (10)

Country Link
US (1) US3758783A (xx)
BE (1) BE780725A (xx)
CA (1) CA956033A (xx)
CH (1) CH537057A (xx)
DE (1) DE2200093C3 (xx)
FR (1) FR2131405A5 (xx)
GB (1) GB1388131A (xx)
NL (1) NL7200754A (xx)
SE (1) SE389934B (xx)
ZA (1) ZA721585B (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025761A (en) * 1975-04-16 1977-05-24 Schiller Industries, Inc. Optical system for code symbol scanners
US4034230A (en) * 1975-10-24 1977-07-05 Bulova Watch Company, Inc. Electro-optical bar-code scanning unit
US4064390A (en) * 1976-04-19 1977-12-20 Spectra-Physics, Inc. Method and apparatus for reading coded labels
US4745631A (en) * 1982-12-27 1988-05-17 North American Philips Corp. Flying spot generator
US4603262A (en) * 1983-08-22 1986-07-29 Optel Systems Inc. Optical device for detecting coded symbols
US4692603A (en) * 1985-04-01 1987-09-08 Cauzin Systems, Incorporated Optical reader for printed bit-encoded data and method of reading same
EP0299964B1 (en) * 1986-04-04 1991-10-16 Eastman Kodak Company Scanning apparatus
US5027424A (en) * 1986-08-29 1991-06-25 Asahi Kogaku Kogyo K.K. Image reader
US5151580A (en) * 1990-08-03 1992-09-29 Symbol Technologies, Inc. Light emitting diode scanner
US5268564A (en) * 1990-08-03 1993-12-07 Symbol Technologies, Inc. Bar code scanner actuated by detection of scanner motion

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976361A (en) * 1956-04-12 1961-03-21 Faximile Inc Continuous scanner with warped mirror
US3443072A (en) * 1964-12-10 1969-05-06 Abex Corp Object identification systems
GB1280678A (en) * 1968-06-27 1972-07-05 Rca Corp Article designator

Also Published As

Publication number Publication date
GB1388131A (en) 1975-03-26
DE2200093A1 (de) 1972-10-05
BE780725A (fr) 1972-07-03
CH537057A (de) 1973-05-15
NL7200754A (xx) 1972-09-26
US3758783A (en) 1973-09-11
ZA721585B (en) 1972-11-29
CA956033A (en) 1974-10-08
DE2200093B2 (de) 1977-11-10
DE2200093C3 (de) 1978-06-29
FR2131405A5 (xx) 1972-11-10

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