GB1556687A - Mirrored polygon for optical scanneror strip - Google Patents

Mirrored polygon for optical scanneror strip

Info

Publication number
GB1556687A
GB1556687A GB4791578A GB4791578A GB1556687A GB 1556687 A GB1556687 A GB 1556687A GB 4791578 A GB4791578 A GB 4791578A GB 4791578 A GB4791578 A GB 4791578A GB 1556687 A GB1556687 A GB 1556687A
Authority
GB
United Kingdom
Prior art keywords
scanneror
strip
optical
mirrored polygon
mirrored
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
GB4791578A
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.)
EMC Corp
Original Assignee
Data General Corp
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
Priority claimed from US05/581,273 external-priority patent/US4043632A/en
Priority claimed from US05/581,151 external-priority patent/US4097729A/en
Application filed by Data General Corp filed Critical Data General Corp
Publication of GB1556687A publication Critical patent/GB1556687A/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
    • G06K7/10861—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)
  • 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)
  • Mechanical Optical Scanning Systems (AREA)
GB4791578A 1975-05-27 1976-05-24 Mirrored polygon for optical scanneror strip Expired GB1556687A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/581,273 US4043632A (en) 1975-05-27 1975-05-27 Scanning polygon with adjustable mirrors
US05/581,151 US4097729A (en) 1975-05-27 1975-05-27 Scanning system and method

Publications (1)

Publication Number Publication Date
GB1556687A true GB1556687A (en) 1979-11-28

Family

ID=27078236

Family Applications (2)

Application Number Title Priority Date Filing Date
GB4791578A Expired GB1556687A (en) 1975-05-27 1976-05-24 Mirrored polygon for optical scanneror strip
GB2144076A Expired GB1556686A (en) 1975-05-27 1976-05-24 Optical scanner

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2144076A Expired GB1556686A (en) 1975-05-27 1976-05-24 Optical scanner

Country Status (3)

Country Link
DE (1) DE2623123A1 (enrdf_load_stackoverflow)
FR (1) FR2312822A1 (enrdf_load_stackoverflow)
GB (2) GB1556687A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042946A3 (en) * 1980-06-25 1982-06-02 International Business Machines Corporation Holographic scanner for generating scan patterns and its application to the sensing of bar code labels
US4652732A (en) * 1985-09-17 1987-03-24 National Semiconductor Corporation Low-profile bar code scanner
DE3728211A1 (de) * 1987-08-24 1989-03-16 Sick Optik Elektronik Erwin Scanner zur erfassung von strichcodes auf gegenstaenden

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3718761A (en) * 1968-03-27 1973-02-27 Hughes Aircraft Co Omnidirectional planar optical code reader
US3529884A (en) * 1968-04-03 1970-09-22 Ncr Co Scanning polygon mirror assembly
DE2208459C2 (de) * 1972-02-23 1974-02-14 Anker-Werke Ag, 4800 Bielefeld Optische Abtasteinrichtung
DE2238816C2 (de) * 1972-08-07 1974-04-25 Anker-Werke Ag, 4800 Bielefeld Elektro-optische Abtasteinrichtung für Datenträger
US3947816A (en) * 1974-07-01 1976-03-30 International Business Machines Corporation Omnidirectional optical scanning apparatus

Also Published As

Publication number Publication date
DE2623123A1 (de) 1976-12-16
FR2312822B1 (enrdf_load_stackoverflow) 1981-06-19
GB1556686A (en) 1979-11-28
FR2312822A1 (fr) 1976-12-24

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee