GB1409124A - Optical sensing system for a record medium - Google Patents

Optical sensing system for a record medium

Info

Publication number
GB1409124A
GB1409124A GB1891373A GB1891373A GB1409124A GB 1409124 A GB1409124 A GB 1409124A GB 1891373 A GB1891373 A GB 1891373A GB 1891373 A GB1891373 A GB 1891373A GB 1409124 A GB1409124 A GB 1409124A
Authority
GB
United Kingdom
Prior art keywords
amplifier
circuit
april
diode
small voltage
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
GB1891373A
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.)
NCR Voyix Corp
Original Assignee
NCR 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 DE19722221195 external-priority patent/DE2221195C3/de
Application filed by NCR Corp filed Critical NCR Corp
Publication of GB1409124A publication Critical patent/GB1409124A/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
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device

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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Image Input (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
GB1891373A 1972-04-29 1973-04-19 Optical sensing system for a record medium Expired GB1409124A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722221195 DE2221195C3 (de) 1972-04-29 Photoelektrische MeB- und Auswerteschaltung für optische Strahlen

Publications (1)

Publication Number Publication Date
GB1409124A true GB1409124A (en) 1975-10-08

Family

ID=5843684

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1891373A Expired GB1409124A (en) 1972-04-29 1973-04-19 Optical sensing system for a record medium

Country Status (4)

Country Link
JP (1) JPS4928385A (enExample)
CA (1) CA993104A (enExample)
FR (1) FR2183457A5 (enExample)
GB (1) GB1409124A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5624165Y2 (enExample) * 1976-02-28 1981-06-06
US7893829B2 (en) * 2008-06-12 2011-02-22 S.C. Johnson & Son, Inc. Device that includes a motion sensing circuit

Also Published As

Publication number Publication date
JPS4928385A (enExample) 1974-03-13
CA993104A (en) 1976-07-13
DE2221195A1 (de) 1973-11-08
FR2183457A5 (enExample) 1973-12-14
DE2221195B2 (de) 1976-03-25

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Legal Events

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