DE136899C - - Google Patents

Info

Publication number
DE136899C
DE136899C DENDAT136899D DE136899DA DE136899C DE 136899 C DE136899 C DE 136899C DE NDAT136899 D DENDAT136899 D DE NDAT136899D DE 136899D A DE136899D A DE 136899DA DE 136899 C DE136899 C DE 136899C
Authority
DE
Germany
Prior art keywords
mirrors
mirror
amount
light
reflective surfaces
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.)
Active
Application number
DENDAT136899D
Other languages
German (de)
English (en)
Publication of DE136899C publication Critical patent/DE136899C/de
Active legal-status Critical Current

Links

Classifications

    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/1013—Beam splitting or combining systems for splitting or combining different wavelengths for colour or multispectral image sensors, e.g. splitting an image into monochromatic image components on respective sensors
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/143—Beam splitting or combining systems operating by reflection only using macroscopically faceted or segmented reflective surfaces
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/147—Beam splitting or combining systems operating by reflection only using averaging effects by spatially variable reflectivity on a microscopic level, e.g. polka dots, chequered or discontinuous patterns, or rapidly moving surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Projection-Type Copiers In General (AREA)
DENDAT136899D Active DE136899C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE136899C true DE136899C (enrdf_load_stackoverflow)

Family

ID=404822

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT136899D Active DE136899C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE136899C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0488590A1 (en) * 1990-11-30 1992-06-03 THORN EMI plc Display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0488590A1 (en) * 1990-11-30 1992-06-03 THORN EMI plc Display device
US5184238A (en) * 1990-11-30 1993-02-02 Thorn Emi Plc Apparatus for projecting light onto a surface having reflector means for improving the brightness of the image

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