GB1388132A - Correction apparatus for optical reading mechanism - Google Patents

Correction apparatus for optical reading mechanism

Info

Publication number
GB1388132A
GB1388132A GB1233672A GB1233672A GB1388132A GB 1388132 A GB1388132 A GB 1388132A GB 1233672 A GB1233672 A GB 1233672A GB 1233672 A GB1233672 A GB 1233672A GB 1388132 A GB1388132 A GB 1388132A
Authority
GB
United Kingdom
Prior art keywords
light
reflected
filters
angle
scanning
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.)
Expired
Application number
GB1233672A
Other languages
English (en)
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.)
Zellweger Uster AG
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 GB1388132A publication Critical patent/GB1388132A/en
Expired 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
    • G06K7/10831—Arrangement of optical elements, e.g. lenses, mirrors, prisms
    • 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
    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/029—Heads optically focused on only one picture element at a time

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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Character Input (AREA)
GB1233672A 1971-03-22 1972-03-16 Correction apparatus for optical reading mechanism Expired GB1388132A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH424071A CH536523A (de) 1971-03-22 1971-03-22 Lesevorrichtung für optisch erkennbare Zeichen

Publications (1)

Publication Number Publication Date
GB1388132A true GB1388132A (en) 1975-03-26

Family

ID=4272410

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1233672A Expired GB1388132A (en) 1971-03-22 1972-03-16 Correction apparatus for optical reading mechanism

Country Status (10)

Country Link
US (1) US3746868A (cg-RX-API-DMAC7.html)
BE (1) BE780724A (cg-RX-API-DMAC7.html)
CA (1) CA971784A (cg-RX-API-DMAC7.html)
CH (1) CH536523A (cg-RX-API-DMAC7.html)
DE (1) DE2200092C3 (cg-RX-API-DMAC7.html)
FR (1) FR2130547B1 (cg-RX-API-DMAC7.html)
GB (1) GB1388132A (cg-RX-API-DMAC7.html)
NL (1) NL7201689A (cg-RX-API-DMAC7.html)
SE (1) SE390074B (cg-RX-API-DMAC7.html)
ZA (1) ZA721576B (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992623A (en) * 1975-03-14 1976-11-16 Graphic Sciences, Inc. Optical scanner
DE2550815C3 (de) * 1975-11-12 1979-05-31 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optisches Abtastsystem
CH608628A5 (cg-RX-API-DMAC7.html) * 1975-11-21 1979-01-15 Sick Optik Elektronik Erwin
DE2703504A1 (de) * 1977-01-28 1978-08-03 Philips Patentverwaltung Vorrichtung zur modulation eines bewegten lichtstrahls, dessen von einer lichtquelle ausgehender lichtstrom detektiert wird
US4692603A (en) * 1985-04-01 1987-09-08 Cauzin Systems, Incorporated Optical reader for printed bit-encoded data and method of reading same
US5239169A (en) * 1991-05-20 1993-08-24 Microscan Systems Incorporated Optical signal processor for barcode reader
GB2257280A (en) * 1991-06-26 1993-01-06 Asahi Optical Co Ltd Non-scanning bar code reading apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127517A (en) * 1956-04-27 1964-03-31 Sperry Rand Corp Color discriminating apparatus

Also Published As

Publication number Publication date
US3746868A (en) 1973-07-17
DE2200092B2 (de) 1979-09-13
FR2130547B1 (cg-RX-API-DMAC7.html) 1976-08-06
BE780724A (fr) 1972-07-03
CH536523A (de) 1973-04-30
CA971784A (en) 1975-07-29
DE2200092C3 (de) 1980-07-10
DE2200092A1 (de) 1972-10-05
FR2130547A1 (cg-RX-API-DMAC7.html) 1972-11-03
SE390074B (sv) 1976-11-29
ZA721576B (en) 1973-03-28
NL7201689A (cg-RX-API-DMAC7.html) 1972-09-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees