JPS6118260B2 - - Google Patents

Info

Publication number
JPS6118260B2
JPS6118260B2 JP50087191A JP8719175A JPS6118260B2 JP S6118260 B2 JPS6118260 B2 JP S6118260B2 JP 50087191 A JP50087191 A JP 50087191A JP 8719175 A JP8719175 A JP 8719175A JP S6118260 B2 JPS6118260 B2 JP S6118260B2
Authority
JP
Japan
Prior art keywords
hologram
path changing
changing means
disk
light beam
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
JP50087191A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5211942A (en
Inventor
Yoshisada Oshida
Yasutsugu Takeda
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP8719175A priority Critical patent/JPS5211942A/ja
Publication of JPS5211942A publication Critical patent/JPS5211942A/ja
Publication of JPS6118260B2 publication Critical patent/JPS6118260B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Holo Graphy (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP8719175A 1975-07-18 1975-07-18 Hologram disc memory device Granted JPS5211942A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8719175A JPS5211942A (en) 1975-07-18 1975-07-18 Hologram disc memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8719175A JPS5211942A (en) 1975-07-18 1975-07-18 Hologram disc memory device

Publications (2)

Publication Number Publication Date
JPS5211942A JPS5211942A (en) 1977-01-29
JPS6118260B2 true JPS6118260B2 (en]) 1986-05-12

Family

ID=13908086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8719175A Granted JPS5211942A (en) 1975-07-18 1975-07-18 Hologram disc memory device

Country Status (1)

Country Link
JP (1) JPS5211942A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717918A (en) * 1980-07-07 1982-01-29 Dainippon Screen Mfg Co Ltd Method and apparatus for scanning of light beam
JPS5785676A (en) * 1980-11-14 1982-05-28 Hitachi Seiko Ltd Method and device for horizontal narrow groove mig welding
US5894465A (en) * 1997-01-07 1999-04-13 Rrad-Rite Corporation Transmissive data storage media and an optical head using holographic or acousto-optical deflection

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495053A (en]) * 1972-04-26 1974-01-17

Also Published As

Publication number Publication date
JPS5211942A (en) 1977-01-29

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