JPS6161449B2 - - Google Patents

Info

Publication number
JPS6161449B2
JPS6161449B2 JP56179962A JP17996281A JPS6161449B2 JP S6161449 B2 JPS6161449 B2 JP S6161449B2 JP 56179962 A JP56179962 A JP 56179962A JP 17996281 A JP17996281 A JP 17996281A JP S6161449 B2 JPS6161449 B2 JP S6161449B2
Authority
JP
Japan
Prior art keywords
light
signal
interference filter
semiconductor laser
wavelength
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
JP56179962A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5883341A (ja
Inventor
Osamu Tajima
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP56179962A priority Critical patent/JPS5883341A/ja
Publication of JPS5883341A publication Critical patent/JPS5883341A/ja
Publication of JPS6161449B2 publication Critical patent/JPS6161449B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP56179962A 1981-11-10 1981-11-10 光学的情報信号再生装置 Granted JPS5883341A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56179962A JPS5883341A (ja) 1981-11-10 1981-11-10 光学的情報信号再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56179962A JPS5883341A (ja) 1981-11-10 1981-11-10 光学的情報信号再生装置

Publications (2)

Publication Number Publication Date
JPS5883341A JPS5883341A (ja) 1983-05-19
JPS6161449B2 true JPS6161449B2 (enrdf_load_stackoverflow) 1986-12-25

Family

ID=16075010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56179962A Granted JPS5883341A (ja) 1981-11-10 1981-11-10 光学的情報信号再生装置

Country Status (1)

Country Link
JP (1) JPS5883341A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2966612B2 (ja) * 1991-12-26 1999-10-25 シャープ株式会社 情報再生装置

Also Published As

Publication number Publication date
JPS5883341A (ja) 1983-05-19

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