JPS5680838A - Optical information reader - Google Patents

Optical information reader

Info

Publication number
JPS5680838A
JPS5680838A JP15627779A JP15627779A JPS5680838A JP S5680838 A JPS5680838 A JP S5680838A JP 15627779 A JP15627779 A JP 15627779A JP 15627779 A JP15627779 A JP 15627779A JP S5680838 A JPS5680838 A JP S5680838A
Authority
JP
Japan
Prior art keywords
lens
photodetector
pit
light
base part
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.)
Pending
Application number
JP15627779A
Other languages
English (en)
Inventor
Junpei Nakamura
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP15627779A priority Critical patent/JPS5680838A/ja
Publication of JPS5680838A publication Critical patent/JPS5680838A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP15627779A 1979-11-30 1979-11-30 Optical information reader Pending JPS5680838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15627779A JPS5680838A (en) 1979-11-30 1979-11-30 Optical information reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15627779A JPS5680838A (en) 1979-11-30 1979-11-30 Optical information reader

Publications (1)

Publication Number Publication Date
JPS5680838A true JPS5680838A (en) 1981-07-02

Family

ID=15624291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15627779A Pending JPS5680838A (en) 1979-11-30 1979-11-30 Optical information reader

Country Status (1)

Country Link
JP (1) JPS5680838A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6234342A (ja) * 1985-08-08 1987-02-14 Omron Tateisi Electronics Co 光情報処理装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6234342A (ja) * 1985-08-08 1987-02-14 Omron Tateisi Electronics Co 光情報処理装置

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