FR2336746A1 - Lecteur de cartes multiplex utilisant une lentille convexe - Google Patents

Lecteur de cartes multiplex utilisant une lentille convexe

Info

Publication number
FR2336746A1
FR2336746A1 FR7635299A FR7635299A FR2336746A1 FR 2336746 A1 FR2336746 A1 FR 2336746A1 FR 7635299 A FR7635299 A FR 7635299A FR 7635299 A FR7635299 A FR 7635299A FR 2336746 A1 FR2336746 A1 FR 2336746A1
Authority
FR
France
Prior art keywords
card reader
convex lens
multiplex card
multiplex
lens
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.)
Granted
Application number
FR7635299A
Other languages
English (en)
French (fr)
Other versions
FR2336746B1 (US20020095090A1-20020718-M00002.png
Inventor
Ralph E Beastrom
Arlen J Bowen
Ronald J Keller
David G 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 FR2336746A1 publication Critical patent/FR2336746A1/fr
Application granted granted Critical
Publication of FR2336746B1 publication Critical patent/FR2336746B1/fr
Granted 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)
FR7635299A 1975-12-24 1976-11-19 Lecteur de cartes multiplex utilisant une lentille convexe Granted FR2336746A1 (fr)

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 (2)

Publication Number Publication Date
FR2336746A1 true FR2336746A1 (fr) 1977-07-22
FR2336746B1 FR2336746B1 (US20020095090A1-20020718-M00002.png) 1980-03-07

Family

ID=24584046

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7635299A Granted FR2336746A1 (fr) 1975-12-24 1976-11-19 Lecteur de cartes multiplex utilisant une lentille convexe

Country Status (8)

Country Link
US (1) US4019065A (US20020095090A1-20020718-M00002.png)
JP (1) JPS5280740A (US20020095090A1-20020718-M00002.png)
BR (1) BR7608686A (US20020095090A1-20020718-M00002.png)
CH (1) CH600440A5 (US20020095090A1-20020718-M00002.png)
DE (1) DE2653900C3 (US20020095090A1-20020718-M00002.png)
FR (1) FR2336746A1 (US20020095090A1-20020718-M00002.png)
GB (1) GB1515628A (US20020095090A1-20020718-M00002.png)
IT (1) IT1070408B (US20020095090A1-20020718-M00002.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
BR7608686A (pt) 1978-01-03
FR2336746B1 (US20020095090A1-20020718-M00002.png) 1980-03-07
IT1070408B (it) 1985-03-29
DE2653900A1 (de) 1977-07-07
GB1515628A (en) 1978-06-28
DE2653900C3 (de) 1979-04-05
US4019065A (en) 1977-04-19
CH600440A5 (US20020095090A1-20020718-M00002.png) 1978-06-15
JPS5280740A (en) 1977-07-06
JPS544209B2 (US20020095090A1-20020718-M00002.png) 1979-03-03

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Legal Events

Date Code Title Description
ST Notification of lapse