JPS6227454B2 - - Google Patents

Info

Publication number
JPS6227454B2
JPS6227454B2 JP8800278A JP8800278A JPS6227454B2 JP S6227454 B2 JPS6227454 B2 JP S6227454B2 JP 8800278 A JP8800278 A JP 8800278A JP 8800278 A JP8800278 A JP 8800278A JP S6227454 B2 JPS6227454 B2 JP S6227454B2
Authority
JP
Japan
Prior art keywords
signal
output
focus
focus lens
disk
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
JP8800278A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5514583A (en
Inventor
Hiroaki Tsuboi
Toshihiko Hosaka
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 JP8800278A priority Critical patent/JPS5514583A/ja
Priority to GB7924345A priority patent/GB2027881B/en
Priority to DE19792929049 priority patent/DE2929049A1/de
Priority to US06/058,647 priority patent/US4286147A/en
Publication of JPS5514583A publication Critical patent/JPS5514583A/ja
Publication of JPS6227454B2 publication Critical patent/JPS6227454B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP8800278A 1978-07-19 1978-07-19 Protective unit for focus lens Granted JPS5514583A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8800278A JPS5514583A (en) 1978-07-19 1978-07-19 Protective unit for focus lens
GB7924345A GB2027881B (en) 1978-07-19 1979-07-12 In-focus detecting device
DE19792929049 DE2929049A1 (de) 1978-07-19 1979-07-18 Einrichtung zum feststellen der scharfeinstellung
US06/058,647 US4286147A (en) 1978-07-19 1979-07-19 In-focus detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8800278A JPS5514583A (en) 1978-07-19 1978-07-19 Protective unit for focus lens

Publications (2)

Publication Number Publication Date
JPS5514583A JPS5514583A (en) 1980-02-01
JPS6227454B2 true JPS6227454B2 (cs) 1987-06-15

Family

ID=13930567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8800278A Granted JPS5514583A (en) 1978-07-19 1978-07-19 Protective unit for focus lens

Country Status (1)

Country Link
JP (1) JPS5514583A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5655877Y2 (cs) * 1975-01-08 1981-12-26

Also Published As

Publication number Publication date
JPS5514583A (en) 1980-02-01

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