DE2653900C3 - Optischer Kartenleser - Google Patents

Optischer Kartenleser

Info

Publication number
DE2653900C3
DE2653900C3 DE2653900A DE2653900A DE2653900C3 DE 2653900 C3 DE2653900 C3 DE 2653900C3 DE 2653900 A DE2653900 A DE 2653900A DE 2653900 A DE2653900 A DE 2653900A DE 2653900 C3 DE2653900 C3 DE 2653900C3
Authority
DE
Germany
Prior art keywords
card
lens
openings
light
photodetector
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
DE2653900A
Other languages
German (de)
English (en)
Other versions
DE2653900B2 (de
DE2653900A1 (de
Inventor
Ralph Emil Beastrom
Arlen John Bowen
Ronald James Keller
David George Dodge Center Nutt
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE2653900A1 publication Critical patent/DE2653900A1/de
Publication of DE2653900B2 publication Critical patent/DE2653900B2/de
Application granted granted Critical
Publication of DE2653900C3 publication Critical patent/DE2653900C3/de
Expired legal-status Critical Current

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
    • G06K7/10831—Arrangement of optical elements, e.g. lenses, mirrors, prisms

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)
  • Credit Cards Or The Like (AREA)
  • Character Input (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
DE2653900A 1975-12-24 1976-11-27 Optischer Kartenleser Expired DE2653900C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/644,240 US4019065A (en) 1975-12-24 1975-12-24 Multiplexing document card reader with convex lens

Publications (3)

Publication Number Publication Date
DE2653900A1 DE2653900A1 (de) 1977-07-07
DE2653900B2 DE2653900B2 (de) 1978-08-03
DE2653900C3 true DE2653900C3 (de) 1979-04-05

Family

ID=24584046

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2653900A Expired DE2653900C3 (de) 1975-12-24 1976-11-27 Optischer Kartenleser

Country Status (8)

Country Link
US (1) US4019065A (US20110009641A1-20110113-C00256.png)
JP (1) JPS5280740A (US20110009641A1-20110113-C00256.png)
BR (1) BR7608686A (US20110009641A1-20110113-C00256.png)
CH (1) CH600440A5 (US20110009641A1-20110113-C00256.png)
DE (1) DE2653900C3 (US20110009641A1-20110113-C00256.png)
FR (1) FR2336746A1 (US20110009641A1-20110113-C00256.png)
GB (1) GB1515628A (US20110009641A1-20110113-C00256.png)
IT (1) IT1070408B (US20110009641A1-20110113-C00256.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8720497D0 (en) * 1987-08-29 1987-10-07 Stewart S D Optical mark detector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3786236A (en) * 1970-12-24 1974-01-15 Seiko Instr & Electronics Programmed signal generating apparatus
US3938662A (en) * 1973-05-25 1976-02-17 Ernst Jr Franklin Henry Selective imprinting machine

Also Published As

Publication number Publication date
DE2653900B2 (de) 1978-08-03
FR2336746A1 (fr) 1977-07-22
BR7608686A (pt) 1978-01-03
FR2336746B1 (US20110009641A1-20110113-C00256.png) 1980-03-07
IT1070408B (it) 1985-03-29
DE2653900A1 (de) 1977-07-07
GB1515628A (en) 1978-06-28
US4019065A (en) 1977-04-19
CH600440A5 (US20110009641A1-20110113-C00256.png) 1978-06-15
JPS5280740A (en) 1977-07-06
JPS544209B2 (US20110009641A1-20110113-C00256.png) 1979-03-03

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee