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
  • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
  • G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11C—STATIC STORES
  • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
  • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam

Applications Claiming Priority (1)

Publications (1)

Family

ID=5840736

Family Applications (1)

Country Status (9)

Families Citing this family (1)

• 1972
  • 1972-03-30 DE DE19722215746 patent/DE2215746A1/de active Pending
• 1973
  • 1973-02-13 GB GB690473A patent/GB1421835A/en not_active Expired
  • 1973-02-21 NL NL7302425A patent/NL7302425A/xx unknown
  • 1973-03-27 IT IT2219073A patent/IT981647B/it active
  • 1973-03-28 LU LU67321D patent/LU67321A1/xx unknown
  • 1973-03-29 FR FR7311356A patent/FR2178186B1/fr not_active Expired
  • 1973-03-29 CA CA167,453A patent/CA1025117A/en not_active Expired
  • 1973-03-30 BE BE129502A patent/BE797599A/xx unknown
  • 1973-03-30 JP JP3660573A patent/JPS4917253A/ja active Pending

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