JPS6066337A - フオ−カスサ−ボ装置 - Google Patents

フオ−カスサ−ボ装置

Info

Publication number
JPS6066337A
JPS6066337A JP58173920A JP17392083A JPS6066337A JP S6066337 A JPS6066337 A JP S6066337A JP 58173920 A JP58173920 A JP 58173920A JP 17392083 A JP17392083 A JP 17392083A JP S6066337 A JPS6066337 A JP S6066337A
Authority
JP
Japan
Prior art keywords
wavelength
laser
focus
hologram
error 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.)
Granted
Application number
JP58173920A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0550055B2 (enrdf_load_stackoverflow
Inventor
Yutaka Oki
裕 大木
Kiyoshi Toyoda
清 豊田
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP58173920A priority Critical patent/JPS6066337A/ja
Publication of JPS6066337A publication Critical patent/JPS6066337A/ja
Publication of JPH0550055B2 publication Critical patent/JPH0550055B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP58173920A 1983-09-20 1983-09-20 フオ−カスサ−ボ装置 Granted JPS6066337A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58173920A JPS6066337A (ja) 1983-09-20 1983-09-20 フオ−カスサ−ボ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58173920A JPS6066337A (ja) 1983-09-20 1983-09-20 フオ−カスサ−ボ装置

Publications (2)

Publication Number Publication Date
JPS6066337A true JPS6066337A (ja) 1985-04-16
JPH0550055B2 JPH0550055B2 (enrdf_load_stackoverflow) 1993-07-28

Family

ID=15969523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58173920A Granted JPS6066337A (ja) 1983-09-20 1983-09-20 フオ−カスサ−ボ装置

Country Status (1)

Country Link
JP (1) JPS6066337A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63231311A (ja) * 1987-03-20 1988-09-27 Fujitsu Ltd グレ−テイングレンズ光学系を用いたフオ−カシング装置
US4938550A (en) * 1987-02-03 1990-07-03 Fujitsu Limited Holographic deflection device
JP2012027183A (ja) * 2010-07-22 2012-02-09 Mitsutoyo Corp オートフォーカス装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5853033A (ja) * 1981-09-26 1983-03-29 Foster Denki Kk 光学式記録情報再生装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5853033A (ja) * 1981-09-26 1983-03-29 Foster Denki Kk 光学式記録情報再生装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4938550A (en) * 1987-02-03 1990-07-03 Fujitsu Limited Holographic deflection device
JPS63231311A (ja) * 1987-03-20 1988-09-27 Fujitsu Ltd グレ−テイングレンズ光学系を用いたフオ−カシング装置
JP2012027183A (ja) * 2010-07-22 2012-02-09 Mitsutoyo Corp オートフォーカス装置

Also Published As

Publication number Publication date
JPH0550055B2 (enrdf_load_stackoverflow) 1993-07-28

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