JPS52153734A - Objective lens system for optical scanning - Google Patents

Objective lens system for optical scanning

Info

Publication number
JPS52153734A
JPS52153734A JP7159176A JP7159176A JPS52153734A JP S52153734 A JPS52153734 A JP S52153734A JP 7159176 A JP7159176 A JP 7159176A JP 7159176 A JP7159176 A JP 7159176A JP S52153734 A JPS52153734 A JP S52153734A
Authority
JP
Japan
Prior art keywords
lens system
objective lens
optical scanning
attain
simplify
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
JP7159176A
Other languages
Japanese (ja)
Inventor
Kunihiko Furunoma
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.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP7159176A priority Critical patent/JPS52153734A/en
Publication of JPS52153734A publication Critical patent/JPS52153734A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To simplify the constitution and attain a low cost by reading the signal from a high density information record, reducing the number of constituting elements of the lens system so as to reduce its weight, and enabling to conduct focusing quickly.
COPYRIGHT: (C)1977,JPO&Japio
JP7159176A 1976-06-16 1976-06-16 Objective lens system for optical scanning Pending JPS52153734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7159176A JPS52153734A (en) 1976-06-16 1976-06-16 Objective lens system for optical scanning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7159176A JPS52153734A (en) 1976-06-16 1976-06-16 Objective lens system for optical scanning

Publications (1)

Publication Number Publication Date
JPS52153734A true JPS52153734A (en) 1977-12-21

Family

ID=13465060

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7159176A Pending JPS52153734A (en) 1976-06-16 1976-06-16 Objective lens system for optical scanning

Country Status (1)

Country Link
JP (1) JPS52153734A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211729A (en) * 1982-05-29 1983-12-09 オプテイツシエ・ウエルケ・ゲ−・ロ−デンストツク Scan lens system
JPS63273806A (en) * 1987-05-01 1988-11-10 Semiconductor Energy Lab Co Ltd Objective for laser beam machining

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211729A (en) * 1982-05-29 1983-12-09 オプテイツシエ・ウエルケ・ゲ−・ロ−デンストツク Scan lens system
JPS63273806A (en) * 1987-05-01 1988-11-10 Semiconductor Energy Lab Co Ltd Objective for laser beam machining

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