GB1467177A - Optical readout devices for use with optical data carriers - Google Patents

Optical readout devices for use with optical data carriers

Info

Publication number
GB1467177A
GB1467177A GB995774A GB995774A GB1467177A GB 1467177 A GB1467177 A GB 1467177A GB 995774 A GB995774 A GB 995774A GB 995774 A GB995774 A GB 995774A GB 1467177 A GB1467177 A GB 1467177A
Authority
GB
United Kingdom
Prior art keywords
led
source
optical
detector
resistor
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
GB995774A
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of GB1467177A publication Critical patent/GB1467177A/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)
  • Optical Recording Or Reproduction (AREA)
  • Optical Communication System (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
GB995774A 1973-04-13 1974-03-06 Optical readout devices for use with optical data carriers Expired GB1467177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732318830 DE2318830A1 (de) 1973-04-13 1973-04-13 Lichtschranke zur auslesung von optischen informationstraegern

Publications (1)

Publication Number Publication Date
GB1467177A true GB1467177A (en) 1977-03-16

Family

ID=5878057

Family Applications (1)

Application Number Title Priority Date Filing Date
GB995774A Expired GB1467177A (en) 1973-04-13 1974-03-06 Optical readout devices for use with optical data carriers

Country Status (5)

Country Link
JP (1) JPS503730A (cg-RX-API-DMAC7.html)
DE (1) DE2318830A1 (cg-RX-API-DMAC7.html)
FR (1) FR2225786B1 (cg-RX-API-DMAC7.html)
GB (1) GB1467177A (cg-RX-API-DMAC7.html)
NL (1) NL7314899A (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956628A (en) * 1974-12-20 1976-05-11 General Electric Company Light sensitive detection system
AU2383277A (en) * 1976-05-05 1978-10-05 Gen Electric Photoelectric signal generating circuits

Also Published As

Publication number Publication date
FR2225786B1 (cg-RX-API-DMAC7.html) 1978-01-20
JPS503730A (cg-RX-API-DMAC7.html) 1975-01-16
FR2225786A1 (cg-RX-API-DMAC7.html) 1974-11-08
NL7314899A (cg-RX-API-DMAC7.html) 1974-10-15
DE2318830A1 (de) 1974-10-24

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Legal Events

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