JPS56119943A - Optical information recorder and reproducer - Google Patents

Optical information recorder and reproducer

Info

Publication number
JPS56119943A
JPS56119943A JP2380980A JP2380980A JPS56119943A JP S56119943 A JPS56119943 A JP S56119943A JP 2380980 A JP2380980 A JP 2380980A JP 2380980 A JP2380980 A JP 2380980A JP S56119943 A JPS56119943 A JP S56119943A
Authority
JP
Japan
Prior art keywords
recording
deflector
separating
reproducer
light source
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
JP2380980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6342332B2 (enrdf_load_stackoverflow
Inventor
Takao Hiuga
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP2380980A priority Critical patent/JPS56119943A/ja
Publication of JPS56119943A publication Critical patent/JPS56119943A/ja
Publication of JPS6342332B2 publication Critical patent/JPS6342332B2/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection

Landscapes

  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2380980A 1980-02-26 1980-02-26 Optical information recorder and reproducer Granted JPS56119943A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2380980A JPS56119943A (en) 1980-02-26 1980-02-26 Optical information recorder and reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2380980A JPS56119943A (en) 1980-02-26 1980-02-26 Optical information recorder and reproducer

Publications (2)

Publication Number Publication Date
JPS56119943A true JPS56119943A (en) 1981-09-19
JPS6342332B2 JPS6342332B2 (enrdf_load_stackoverflow) 1988-08-23

Family

ID=12120652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2380980A Granted JPS56119943A (en) 1980-02-26 1980-02-26 Optical information recorder and reproducer

Country Status (1)

Country Link
JP (1) JPS56119943A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49113601A (enrdf_load_stackoverflow) * 1973-02-09 1974-10-30
JPS5460903A (en) * 1977-10-24 1979-05-16 Teac Corp Optical recorder*reproducer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49113601A (enrdf_load_stackoverflow) * 1973-02-09 1974-10-30
JPS5460903A (en) * 1977-10-24 1979-05-16 Teac Corp Optical recorder*reproducer

Also Published As

Publication number Publication date
JPS6342332B2 (enrdf_load_stackoverflow) 1988-08-23

Similar Documents

Publication Publication Date Title
ES458637A1 (es) Un dispositivo explorador optico perfeccionado que es ade- cuado para explorar pistas de registro en una superficie de registro de un portador de registro.
ATE36617T1 (de) Optisches aufzeichnungsgeraet.
GB1529954A (en) Optically readable records and reading apparatus therefor
FR2392464A1 (fr) Appareil et procede de reproduction de sons a partir de signaux sonores enregistres optiquement
JPS647327A (en) Method and apparatus for optical information recording
EP0336209A3 (en) A reproducing apparatus for an optical recording medium
JPS57133503A (en) Optical and magnetic recorder and reproducer
AU572750B2 (en) Reading an optical disk
KR880002635B1 (en) Optical head apparatus
JPS56119943A (en) Optical information recorder and reproducer
JPS6482348A (en) Overwritable magneto-optical disk device
JPS57191837A (en) Optical recording and reproducing device
GB1196047A (en) Improvements in or relating to Magneto-Optic Readout Systems.
JPS57172306A (en) Focus controller of optical recording system
JPS6452240A (en) Magneto-optical recording and reproducing device
JPS5764336A (en) Track signal recording system of optical disk device
JPS57191848A (en) Optical disk recording and reproducing device
JPS5532249A (en) Optical recorder and reproducing device
JPS5250702A (en) Optical information recording and reproduction apparatus
JPS57203233A (en) Optical recorder and reproducer
JPS5778638A (en) Optical recording method
JPS5465503A (en) Information recorder-reproducer
JPS54102109A (en) Focusing method of optical recorder
BR8104924A (pt) Maquina de gravacao/reproducao de video
JPS56119941A (en) Recording, reproducing and erasing apparatus of optical information