JPH064413Y2 - 光学式デイスクプレ−ヤのフオ−カス装置 - Google Patents

光学式デイスクプレ−ヤのフオ−カス装置

Info

Publication number
JPH064413Y2
JPH064413Y2 JP1986177574U JP17757486U JPH064413Y2 JP H064413 Y2 JPH064413 Y2 JP H064413Y2 JP 1986177574 U JP1986177574 U JP 1986177574U JP 17757486 U JP17757486 U JP 17757486U JP H064413 Y2 JPH064413 Y2 JP H064413Y2
Authority
JP
Japan
Prior art keywords
focus
circuit
detection signal
zero
signal
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 - Lifetime
Application number
JP1986177574U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6384721U (enrdf_load_stackoverflow
Inventor
好一 藤田
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.)
Kenwood KK
Original Assignee
Kenwood KK
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 Kenwood KK filed Critical Kenwood KK
Priority to JP1986177574U priority Critical patent/JPH064413Y2/ja
Publication of JPS6384721U publication Critical patent/JPS6384721U/ja
Application granted granted Critical
Publication of JPH064413Y2 publication Critical patent/JPH064413Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP1986177574U 1986-11-20 1986-11-20 光学式デイスクプレ−ヤのフオ−カス装置 Expired - Lifetime JPH064413Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986177574U JPH064413Y2 (ja) 1986-11-20 1986-11-20 光学式デイスクプレ−ヤのフオ−カス装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986177574U JPH064413Y2 (ja) 1986-11-20 1986-11-20 光学式デイスクプレ−ヤのフオ−カス装置

Publications (2)

Publication Number Publication Date
JPS6384721U JPS6384721U (enrdf_load_stackoverflow) 1988-06-03
JPH064413Y2 true JPH064413Y2 (ja) 1994-02-02

Family

ID=31118900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986177574U Expired - Lifetime JPH064413Y2 (ja) 1986-11-20 1986-11-20 光学式デイスクプレ−ヤのフオ−カス装置

Country Status (1)

Country Link
JP (1) JPH064413Y2 (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538369A (en) * 1978-09-01 1980-03-17 Texaco Development Corp Manufacture of carboxylic acids and their esters
JPS5694528A (en) * 1979-12-28 1981-07-31 Matsushita Electric Ind Co Ltd Drawing-in method of focus servo
JPS60119639A (ja) * 1983-11-30 1985-06-27 Mitsubishi Electric Corp 光学式情報読取装置におけるオ−トフォ−カス初期引込装置

Also Published As

Publication number Publication date
JPS6384721U (enrdf_load_stackoverflow) 1988-06-03

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