JPS6017061Y2 - 光学式デイスク再生装置のフオ−カス制御回路 - Google Patents

光学式デイスク再生装置のフオ−カス制御回路

Info

Publication number
JPS6017061Y2
JPS6017061Y2 JP4415078U JP4415078U JPS6017061Y2 JP S6017061 Y2 JPS6017061 Y2 JP S6017061Y2 JP 4415078 U JP4415078 U JP 4415078U JP 4415078 U JP4415078 U JP 4415078U JP S6017061 Y2 JPS6017061 Y2 JP S6017061Y2
Authority
JP
Japan
Prior art keywords
disk
focus
photoelectric conversion
conversion element
optical disc
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.)
Expired
Application number
JP4415078U
Other languages
English (en)
Japanese (ja)
Other versions
JPS54147208U (en, 2012
Inventor
忠男 永井
政夫 上原
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.)
Teac Corp
Original Assignee
Teac Corp
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 Teac Corp filed Critical Teac Corp
Priority to JP4415078U priority Critical patent/JPS6017061Y2/ja
Publication of JPS54147208U publication Critical patent/JPS54147208U/ja
Application granted granted Critical
Publication of JPS6017061Y2 publication Critical patent/JPS6017061Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP4415078U 1978-04-04 1978-04-04 光学式デイスク再生装置のフオ−カス制御回路 Expired JPS6017061Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4415078U JPS6017061Y2 (ja) 1978-04-04 1978-04-04 光学式デイスク再生装置のフオ−カス制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4415078U JPS6017061Y2 (ja) 1978-04-04 1978-04-04 光学式デイスク再生装置のフオ−カス制御回路

Publications (2)

Publication Number Publication Date
JPS54147208U JPS54147208U (en, 2012) 1979-10-13
JPS6017061Y2 true JPS6017061Y2 (ja) 1985-05-27

Family

ID=28919912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4415078U Expired JPS6017061Y2 (ja) 1978-04-04 1978-04-04 光学式デイスク再生装置のフオ−カス制御回路

Country Status (1)

Country Link
JP (1) JPS6017061Y2 (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938936A (ja) * 1982-08-28 1984-03-03 Sony Corp 情報再生装置のサ−ボコントロ−ル回路

Also Published As

Publication number Publication date
JPS54147208U (en, 2012) 1979-10-13

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