JPS6313261B2 - - Google Patents

Info

Publication number
JPS6313261B2
JPS6313261B2 JP53087998A JP8799878A JPS6313261B2 JP S6313261 B2 JPS6313261 B2 JP S6313261B2 JP 53087998 A JP53087998 A JP 53087998A JP 8799878 A JP8799878 A JP 8799878A JP S6313261 B2 JPS6313261 B2 JP S6313261B2
Authority
JP
Japan
Prior art keywords
focus
signal
output
lens
amplifier
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
JP53087998A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5514580A (en
Inventor
Minoru Kosake
Tetsuo Shimizu
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.)
PAIONIA BIDEO KK
PAIONIA KK
Original Assignee
PAIONIA BIDEO KK
PAIONIA 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 PAIONIA BIDEO KK, PAIONIA KK filed Critical PAIONIA BIDEO KK
Priority to JP8799878A priority Critical patent/JPS5514580A/ja
Publication of JPS5514580A publication Critical patent/JPS5514580A/ja
Publication of JPS6313261B2 publication Critical patent/JPS6313261B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Control Of Position Or Direction (AREA)
JP8799878A 1978-07-19 1978-07-19 Focus servo unit Granted JPS5514580A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8799878A JPS5514580A (en) 1978-07-19 1978-07-19 Focus servo unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8799878A JPS5514580A (en) 1978-07-19 1978-07-19 Focus servo unit

Publications (2)

Publication Number Publication Date
JPS5514580A JPS5514580A (en) 1980-02-01
JPS6313261B2 true JPS6313261B2 (enrdf_load_stackoverflow) 1988-03-24

Family

ID=13930453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8799878A Granted JPS5514580A (en) 1978-07-19 1978-07-19 Focus servo unit

Country Status (1)

Country Link
JP (1) JPS5514580A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4446546A (en) * 1981-12-31 1984-05-01 Magnetic Peripherals Inc. Focus initialization system for optical recording
JPH0668442B2 (ja) * 1985-12-18 1994-08-31 株式会社日立製作所 印刷回路板のパタ−ン検査装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5830263A (ja) * 1981-08-17 1983-02-22 Aihon Kk 伝送路搬送式同時通話インタ−ホン

Also Published As

Publication number Publication date
JPS5514580A (en) 1980-02-01

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