JPS60179949A - 光デイスク再生装置 - Google Patents

光デイスク再生装置

Info

Publication number
JPS60179949A
JPS60179949A JP59033382A JP3338284A JPS60179949A JP S60179949 A JPS60179949 A JP S60179949A JP 59033382 A JP59033382 A JP 59033382A JP 3338284 A JP3338284 A JP 3338284A JP S60179949 A JPS60179949 A JP S60179949A
Authority
JP
Japan
Prior art keywords
light
2omega
optical disk
original
optical
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
JP59033382A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0580056B2 (enrdf_load_stackoverflow
Inventor
Yutaka Oki
裕 大木
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 JP59033382A priority Critical patent/JPS60179949A/ja
Publication of JPS60179949A publication Critical patent/JPS60179949A/ja
Publication of JPH0580056B2 publication Critical patent/JPH0580056B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
JP59033382A 1984-02-25 1984-02-25 光デイスク再生装置 Granted JPS60179949A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59033382A JPS60179949A (ja) 1984-02-25 1984-02-25 光デイスク再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59033382A JPS60179949A (ja) 1984-02-25 1984-02-25 光デイスク再生装置

Publications (2)

Publication Number Publication Date
JPS60179949A true JPS60179949A (ja) 1985-09-13
JPH0580056B2 JPH0580056B2 (enrdf_load_stackoverflow) 1993-11-05

Family

ID=12385038

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59033382A Granted JPS60179949A (ja) 1984-02-25 1984-02-25 光デイスク再生装置

Country Status (1)

Country Link
JP (1) JPS60179949A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62128034A (ja) * 1985-11-28 1987-06-10 Matsushita Electric Ind Co Ltd 光磁気デイスク用光学ヘツド
JPS6331032A (ja) * 1986-07-25 1988-02-09 Seiko Epson Corp 光メモリ−記録再生装置
JPS6348625A (ja) * 1986-08-15 1988-03-01 Hitachi Ltd 光情報記録再生装置
JPH0198142A (ja) * 1987-10-12 1989-04-17 Matsushita Electric Ind Co Ltd 光ディスクマスタリング装置
JPH01138632A (ja) * 1987-11-25 1989-05-31 Sony Corp 光学ヘッド
JPH01179237A (ja) * 1987-12-28 1989-07-17 Olympus Optical Co Ltd 光学式ピックアップ装置
JPH03242827A (ja) * 1990-02-20 1991-10-29 Ricoh Co Ltd 情報記録／再生方式

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52108779A (en) * 1976-03-09 1977-09-12 Nec Corp Blue color luminous device
JPS5535328A (en) * 1978-09-04 1980-03-12 Nippon Telegr & Teleph Corp <Ntt> Non-linear optical device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52108779A (en) * 1976-03-09 1977-09-12 Nec Corp Blue color luminous device
JPS5535328A (en) * 1978-09-04 1980-03-12 Nippon Telegr & Teleph Corp <Ntt> Non-linear optical device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62128034A (ja) * 1985-11-28 1987-06-10 Matsushita Electric Ind Co Ltd 光磁気デイスク用光学ヘツド
JPS6331032A (ja) * 1986-07-25 1988-02-09 Seiko Epson Corp 光メモリ−記録再生装置
JPS6348625A (ja) * 1986-08-15 1988-03-01 Hitachi Ltd 光情報記録再生装置
JPH0198142A (ja) * 1987-10-12 1989-04-17 Matsushita Electric Ind Co Ltd 光ディスクマスタリング装置
JPH01138632A (ja) * 1987-11-25 1989-05-31 Sony Corp 光学ヘッド
JPH01179237A (ja) * 1987-12-28 1989-07-17 Olympus Optical Co Ltd 光学式ピックアップ装置
JPH03242827A (ja) * 1990-02-20 1991-10-29 Ricoh Co Ltd 情報記録／再生方式

Also Published As

Publication number Publication date
JPH0580056B2 (enrdf_load_stackoverflow) 1993-11-05

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term