FR2262351A1 - Tape or disc opto-electronic reader - sweep device overcomes problems due to depth of field - Google Patents

Tape or disc opto-electronic reader - sweep device overcomes problems due to depth of field

Info

Publication number
FR2262351A1
FR2262351A1 FR7406513A FR7406513A FR2262351A1 FR 2262351 A1 FR2262351 A1 FR 2262351A1 FR 7406513 A FR7406513 A FR 7406513A FR 7406513 A FR7406513 A FR 7406513A FR 2262351 A1 FR2262351 A1 FR 2262351A1
Authority
FR
France
Prior art keywords
diode group
opto
photo
electronic reader
transformer
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
FR7406513A
Other languages
English (en)
French (fr)
Other versions
FR2262351B1 (enExample
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.)
PROCEDES OPTO ELECT EXPLOIT
Original Assignee
PROCEDES OPTO ELECT EXPLOIT
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 PROCEDES OPTO ELECT EXPLOIT filed Critical PROCEDES OPTO ELECT EXPLOIT
Priority to FR7406513A priority Critical patent/FR2262351A1/fr
Publication of FR2262351A1 publication Critical patent/FR2262351A1/fr
Application granted granted Critical
Publication of FR2262351B1 publication Critical patent/FR2262351B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • 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
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Head (AREA)
FR7406513A 1974-02-26 1974-02-26 Tape or disc opto-electronic reader - sweep device overcomes problems due to depth of field Granted FR2262351A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7406513A FR2262351A1 (en) 1974-02-26 1974-02-26 Tape or disc opto-electronic reader - sweep device overcomes problems due to depth of field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7406513A FR2262351A1 (en) 1974-02-26 1974-02-26 Tape or disc opto-electronic reader - sweep device overcomes problems due to depth of field

Publications (2)

Publication Number Publication Date
FR2262351A1 true FR2262351A1 (en) 1975-09-19
FR2262351B1 FR2262351B1 (enExample) 1976-06-25

Family

ID=9135463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7406513A Granted FR2262351A1 (en) 1974-02-26 1974-02-26 Tape or disc opto-electronic reader - sweep device overcomes problems due to depth of field

Country Status (1)

Country Link
FR (1) FR2262351A1 (enExample)

Also Published As

Publication number Publication date
FR2262351B1 (enExample) 1976-06-25

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FR2262351A1 (en) Tape or disc opto-electronic reader - sweep device overcomes problems due to depth of field

Legal Events

Date Code Title Description
ST Notification of lapse