JPS5890536U - 自動焦点調整装置 - Google Patents

自動焦点調整装置

Info

Publication number
JPS5890536U
JPS5890536U JP18561781U JP18561781U JPS5890536U JP S5890536 U JPS5890536 U JP S5890536U JP 18561781 U JP18561781 U JP 18561781U JP 18561781 U JP18561781 U JP 18561781U JP S5890536 U JPS5890536 U JP S5890536U
Authority
JP
Japan
Prior art keywords
objective lens
optical recording
movable coil
adjustment device
focus adjustment
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
JP18561781U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6245297Y2 (enrdf_load_html_response
Inventor
恵介 伊藤
菅野　隆文
宝来　慶一郎
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP18561781U priority Critical patent/JPS5890536U/ja
Publication of JPS5890536U publication Critical patent/JPS5890536U/ja
Application granted granted Critical
Publication of JPS6245297Y2 publication Critical patent/JPS6245297Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP18561781U 1981-12-11 1981-12-11 自動焦点調整装置 Granted JPS5890536U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18561781U JPS5890536U (ja) 1981-12-11 1981-12-11 自動焦点調整装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18561781U JPS5890536U (ja) 1981-12-11 1981-12-11 自動焦点調整装置

Publications (2)

Publication Number Publication Date
JPS5890536U true JPS5890536U (ja) 1983-06-18
JPS6245297Y2 JPS6245297Y2 (enrdf_load_html_response) 1987-12-03

Family

ID=29986831

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18561781U Granted JPS5890536U (ja) 1981-12-11 1981-12-11 自動焦点調整装置

Country Status (1)

Country Link
JP (1) JPS5890536U (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS6245297Y2 (enrdf_load_html_response) 1987-12-03

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