JPS5494007A - Pickup for disc recorder recorded optically with information - Google Patents

Pickup for disc recorder recorded optically with information

Info

Publication number
JPS5494007A
JPS5494007A JP2678A JP2678A JPS5494007A JP S5494007 A JPS5494007 A JP S5494007A JP 2678 A JP2678 A JP 2678A JP 2678 A JP2678 A JP 2678A JP S5494007 A JPS5494007 A JP S5494007A
Authority
JP
Japan
Prior art keywords
fed
diffracted
tracking
light
polarized
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
JP2678A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6118261B2 (enrdf_load_stackoverflow
Inventor
Shunpei Tanaka
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11462864&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS5494007(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP2678A priority Critical patent/JPS5494007A/ja
Publication of JPS5494007A publication Critical patent/JPS5494007A/ja
Publication of JPS6118261B2 publication Critical patent/JPS6118261B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2678A 1978-01-05 1978-01-05 Pickup for disc recorder recorded optically with information Granted JPS5494007A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2678A JPS5494007A (en) 1978-01-05 1978-01-05 Pickup for disc recorder recorded optically with information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2678A JPS5494007A (en) 1978-01-05 1978-01-05 Pickup for disc recorder recorded optically with information

Related Child Applications (6)

Application Number Title Priority Date Filing Date
JP8239584A Division JPS6022744A (ja) 1984-04-24 1984-04-24 ピツクアツプ装置
JP8239484A Division JPS6022743A (ja) 1984-04-24 1984-04-24 光学的に情報を記録したデイスク再生装置のピツクアツプ
JP18502385A Division JPS6182340A (ja) 1985-08-24 1985-08-24 ピツクアツプ装置
JP18502185A Division JPS6182338A (ja) 1985-08-24 1985-08-24 ピツクアツプ装置
JP60185020A Division JPH0612576B2 (ja) 1985-08-24 1985-08-24 ピックアップ装置
JP18502285A Division JPS6182339A (ja) 1985-08-24 1985-08-24 ピツクアツプ装置

Publications (2)

Publication Number Publication Date
JPS5494007A true JPS5494007A (en) 1979-07-25
JPS6118261B2 JPS6118261B2 (enrdf_load_stackoverflow) 1986-05-12

Family

ID=11462864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2678A Granted JPS5494007A (en) 1978-01-05 1978-01-05 Pickup for disc recorder recorded optically with information

Country Status (1)

Country Link
JP (1) JPS5494007A (enrdf_load_stackoverflow)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119944A (en) * 1980-02-27 1981-09-19 Sony Corp Disc player
JPS56127939A (en) * 1980-02-11 1981-10-07 Yokogawa Hewlett Packard Ltd Focus controller
JPS5774836A (en) * 1980-10-24 1982-05-11 Sony Corp Pickup device
JPS57208641A (en) * 1981-06-19 1982-12-21 Hitachi Ltd Multishaft driving device
JPS583142A (ja) * 1981-06-30 1983-01-08 Sharp Corp 光学式情報処理装置
JPS5819742A (ja) * 1981-07-24 1983-02-04 Pioneer Video Corp 記録情報読取装置における光学系駆動装置
JPS5820865U (ja) * 1981-08-03 1983-02-08 ゼネラル・エアコン株式会社 空気調和機
JPS5898850A (ja) * 1981-12-08 1983-06-11 Sanyo Electric Co Ltd 対物レンズ駆動装置
JPS5894138U (ja) * 1981-12-19 1983-06-25 パイオニア株式会社 光学式情報記録再生装置における光学系駆動装置
JPS58133640A (ja) * 1982-01-30 1983-08-09 Sony Corp 光学ピックアップ装置
JPS58171731A (ja) * 1983-02-21 1983-10-08 Mitsubishi Electric Corp デイスク再生装置
JPS5910129U (ja) * 1982-07-08 1984-01-23 パイオニア株式会社 光学式ピツクアツプ
JPS60173727A (ja) * 1985-01-25 1985-09-07 Hitachi Ltd 光学走査装置
JPS6325835A (ja) * 1986-07-17 1988-02-03 Sharp Corp 対物レンズ駆動装置
JPS641132A (en) * 1988-02-12 1989-01-05 Sony Corp Objective lens driver
JPH03141042A (ja) * 1990-09-18 1991-06-17 Sony Corp 光学ディスクプレーヤ
EP0346479B1 (en) * 1987-10-28 1994-01-05 Oki Electric Industry Company, Limited Optical head
JPH07201053A (ja) * 1994-12-26 1995-08-04 Hitachi Ltd 光学走査装置
US6430113B1 (en) 1999-06-21 2002-08-06 Ashai Kogaku Kogyo Kabushiki Kaisha Magnetic head up/down mechanism for magneto-optical disc drive

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51114102A (en) * 1975-04-01 1976-10-07 Victor Co Of Japan Ltd Signal reading and control device for disc player
JPS52138903A (en) * 1976-05-12 1977-11-19 Philips Nv Optical scanner
JPS5424002A (en) * 1977-07-25 1979-02-23 Victor Co Of Japan Ltd Reproducer of optical information recording medium discs
JPS57210456A (en) * 1981-06-22 1982-12-24 Sony Corp Objective lens device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51114102A (en) * 1975-04-01 1976-10-07 Victor Co Of Japan Ltd Signal reading and control device for disc player
JPS52138903A (en) * 1976-05-12 1977-11-19 Philips Nv Optical scanner
JPS5424002A (en) * 1977-07-25 1979-02-23 Victor Co Of Japan Ltd Reproducer of optical information recording medium discs
JPS57210456A (en) * 1981-06-22 1982-12-24 Sony Corp Objective lens device

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56127939A (en) * 1980-02-11 1981-10-07 Yokogawa Hewlett Packard Ltd Focus controller
JPS56119944A (en) * 1980-02-27 1981-09-19 Sony Corp Disc player
JPS5774836A (en) * 1980-10-24 1982-05-11 Sony Corp Pickup device
JPS57208641A (en) * 1981-06-19 1982-12-21 Hitachi Ltd Multishaft driving device
JPS583142A (ja) * 1981-06-30 1983-01-08 Sharp Corp 光学式情報処理装置
JPS5819742A (ja) * 1981-07-24 1983-02-04 Pioneer Video Corp 記録情報読取装置における光学系駆動装置
JPS5820865U (ja) * 1981-08-03 1983-02-08 ゼネラル・エアコン株式会社 空気調和機
JPS5898850A (ja) * 1981-12-08 1983-06-11 Sanyo Electric Co Ltd 対物レンズ駆動装置
JPS5894138U (ja) * 1981-12-19 1983-06-25 パイオニア株式会社 光学式情報記録再生装置における光学系駆動装置
JPS58133640A (ja) * 1982-01-30 1983-08-09 Sony Corp 光学ピックアップ装置
JPS5910129U (ja) * 1982-07-08 1984-01-23 パイオニア株式会社 光学式ピツクアツプ
JPS58171731A (ja) * 1983-02-21 1983-10-08 Mitsubishi Electric Corp デイスク再生装置
JPS60173727A (ja) * 1985-01-25 1985-09-07 Hitachi Ltd 光学走査装置
JPS6325835A (ja) * 1986-07-17 1988-02-03 Sharp Corp 対物レンズ駆動装置
EP0346479B1 (en) * 1987-10-28 1994-01-05 Oki Electric Industry Company, Limited Optical head
JPS641132A (en) * 1988-02-12 1989-01-05 Sony Corp Objective lens driver
JPH03141042A (ja) * 1990-09-18 1991-06-17 Sony Corp 光学ディスクプレーヤ
JPH07201053A (ja) * 1994-12-26 1995-08-04 Hitachi Ltd 光学走査装置
US6430113B1 (en) 1999-06-21 2002-08-06 Ashai Kogaku Kogyo Kabushiki Kaisha Magnetic head up/down mechanism for magneto-optical disc drive

Also Published As

Publication number Publication date
JPS6118261B2 (enrdf_load_stackoverflow) 1986-05-12

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