JPS56858B2 - - Google Patents

Info

Publication number
JPS56858B2
JPS56858B2 JP15114875A JP15114875A JPS56858B2 JP S56858 B2 JPS56858 B2 JP S56858B2 JP 15114875 A JP15114875 A JP 15114875A JP 15114875 A JP15114875 A JP 15114875A JP S56858 B2 JPS56858 B2 JP S56858B2
Authority
JP
Japan
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
JP15114875A
Other languages
Japanese (ja)
Other versions
JPS5274219A (en
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 filed Critical
Priority to JP50151148A priority Critical patent/JPS5274219A/ja
Publication of JPS5274219A publication Critical patent/JPS5274219A/ja
Publication of JPS56858B2 publication Critical patent/JPS56858B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Automatic Focus Adjustment (AREA)
JP50151148A 1975-12-17 1975-12-17 Device for preventing displacement of focal point of optical information reader Granted JPS5274219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50151148A JPS5274219A (en) 1975-12-17 1975-12-17 Device for preventing displacement of focal point of optical information reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50151148A JPS5274219A (en) 1975-12-17 1975-12-17 Device for preventing displacement of focal point of optical information reader

Publications (2)

Publication Number Publication Date
JPS5274219A JPS5274219A (en) 1977-06-22
JPS56858B2 true JPS56858B2 (enrdf_load_stackoverflow) 1981-01-09

Family

ID=15512410

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50151148A Granted JPS5274219A (en) 1975-12-17 1975-12-17 Device for preventing displacement of focal point of optical information reader

Country Status (1)

Country Link
JP (1) JPS5274219A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7410642A (nl) * 1974-08-08 1976-02-10 Philips Nv Opto-elektronisch fokusseringsdetektiestelsel.

Also Published As

Publication number Publication date
JPS5274219A (en) 1977-06-22

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