BE656005A - - Google Patents

Info

Publication number
BE656005A
BE656005A BE656005DA BE656005A BE 656005 A BE656005 A BE 656005A BE 656005D A BE656005D A BE 656005DA BE 656005 A BE656005 A BE 656005A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE656005A publication Critical patent/BE656005A/xx

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G02B26/023Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light comprising movable attenuating elements, e.g. neutral density filters
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/20Filters
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/20Filters
    • G02B5/22Absorbing filters
    • G02B5/24Liquid filters
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/007Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)
BE656005D 1963-12-07 1964-11-20 BE656005A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0294264A ES294264A1 (en) 1963-12-07 1963-12-07 Improvements in or relating to variable light filters

Publications (1)

Publication Number Publication Date
BE656005A true BE656005A (en) 1965-03-16

Family

ID=8441185

Family Applications (1)

Application Number Title Priority Date Filing Date
BE656005D BE656005A (en) 1963-12-07 1964-11-20

Country Status (6)

Country Link
AT (1) AT253812B (en)
BE (1) BE656005A (en)
CH (1) CH432880A (en)
ES (1) ES294264A1 (en)
GB (1) GB1075059A (en)
SE (1) SE319918B (en)

Also Published As

Publication number Publication date
CH432880A (en) 1967-03-31
AT253812B (en) 1967-04-25
GB1075059A (en) 1967-07-12
SE319918B (en) 1970-01-26
ES294264A1 (en) 1964-06-01

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