BE365321A - - Google Patents

Info

Publication number
BE365321A
BE365321A BE365321DA BE365321A BE 365321 A BE365321 A BE 365321A BE 365321D A BE365321D A BE 365321DA BE 365321 A BE365321 A BE 365321A
Authority
BE
Belgium
Application number
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.)
Publication of BE365321A publication Critical patent/BE365321A/xx

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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
BE365321D 1928-11-16 BE365321A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE684995X 1928-11-16

Publications (1)

Publication Number Publication Date
BE365321A true BE365321A (fr)

Family

ID=6597729

Family Applications (1)

Application Number Title Priority Date Filing Date
BE365321D BE365321A (fr) 1928-11-16

Country Status (2)

Country Link
BE (1) BE365321A (fr)
FR (1) FR684995A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443258A (en) * 1942-04-30 1948-06-15 Rca Corp Optical signaling system, including means for dispersing and recombining a light beam

Also Published As

Publication number Publication date
FR684995A (fr) 1930-07-03

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