DE2534416A1 - - Google Patents

Info

Publication number
DE2534416A1
DE2534416A1 DE19752534416 DE2534416A DE2534416A1 DE 2534416 A1 DE2534416 A1 DE 2534416A1 DE 19752534416 DE19752534416 DE 19752534416 DE 2534416 A DE2534416 A DE 2534416A DE 2534416 A1 DE2534416 A1 DE 2534416A1
Authority
DE
Germany
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
DE19752534416
Other languages
German (de)
Other versions
DE2534416C2 (de
DE2534416B1 (de
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
Priority to DE19752534416 priority Critical patent/DE2534416C2/de
Priority claimed from DE19752534416 external-priority patent/DE2534416C2/de
Priority to GB3217576A priority patent/GB1556712A/en
Publication of DE2534416B1 publication Critical patent/DE2534416B1/de
Publication of DE2534416A1 publication Critical patent/DE2534416A1/de
Application granted granted Critical
Publication of DE2534416C2 publication Critical patent/DE2534416C2/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/12—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/281—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for attenuating light intensity, e.g. comprising rotatable polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1313—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Nonlinear Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
DE19752534416 1975-08-01 1975-08-01 Anordnung zur Schwächung eines LichtstrahlenbUnd eb Expired DE2534416C2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19752534416 DE2534416C2 (de) 1975-08-01 Anordnung zur Schwächung eines LichtstrahlenbUnd eb
GB3217576A GB1556712A (en) 1975-08-01 1976-08-02 Arrangement for weakening the strength of a light beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752534416 DE2534416C2 (de) 1975-08-01 Anordnung zur Schwächung eines LichtstrahlenbUnd eb

Publications (3)

Publication Number Publication Date
DE2534416B1 DE2534416B1 (de) 1976-10-07
DE2534416A1 true DE2534416A1 (enExample) 1976-10-07
DE2534416C2 DE2534416C2 (de) 1977-05-18

Family

ID=

Also Published As

Publication number Publication date
DE2534416B1 (de) 1976-10-07
GB1556712A (en) 1979-11-28

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EF Willingness to grant licences
8339 Ceased/non-payment of the annual fee