DE3546648C2 - - Google Patents

Info

Publication number
DE3546648C2
DE3546648C2 DE19853546648 DE3546648A DE3546648C2 DE 3546648 C2 DE3546648 C2 DE 3546648C2 DE 19853546648 DE19853546648 DE 19853546648 DE 3546648 A DE3546648 A DE 3546648A DE 3546648 C2 DE3546648 C2 DE 3546648C2
Authority
DE
Germany
Prior art keywords
hologram
symbols
signals
different
reflection
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.)
Expired - Lifetime
Application number
DE19853546648
Other languages
German (de)
English (en)
Inventor
Armin Dr. 3180 Wolfsburg De Felske
Bernd Dr. 3300 Braunschweig De Stoffregen
Manfred-Andreas Dr. 3170 Gifhorn De Beeck
Gerd 5190 Stolberg De Sauer
Michael Dr. Hassiepen
Detlev Dr. 5100 Aachen De Rebenstorff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vegla Vereinigte Glaswerke GmbH
Volkswagen AG
Original Assignee
Vegla Vereinigte Glaswerke GmbH
Volkswagen AG
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 by Vegla Vereinigte Glaswerke GmbH, Volkswagen AG filed Critical Vegla Vereinigte Glaswerke GmbH
Priority to DE19853546648 priority Critical patent/DE3546648C2/de
Priority claimed from DE19853532120 external-priority patent/DE3532120A1/de
Application granted granted Critical
Publication of DE3546648C2 publication Critical patent/DE3546648C2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
    • G02B2027/0105—Holograms with particular structures
    • G02B2027/0107—Holograms with particular structures with optical power
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
    • G02B2027/0109—Head-up displays characterised by optical features comprising holographic elements comprising details concerning the making of holograms
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • G02B2027/012—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility comprising devices for attenuating parasitic image effects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
DE19853546648 1985-09-10 1985-09-10 Expired - Lifetime DE3546648C2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853546648 DE3546648C2 (enrdf_load_stackoverflow) 1985-09-10 1985-09-10

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853532120 DE3532120A1 (de) 1985-09-10 1985-09-10 Windschutzscheibe mit einer reflektierenden einrichtung zur einspiegelung von optischen signalen in das gesichtsfeld des fahrers
DE19853546648 DE3546648C2 (enrdf_load_stackoverflow) 1985-09-10 1985-09-10

Publications (1)

Publication Number Publication Date
DE3546648C2 true DE3546648C2 (enrdf_load_stackoverflow) 1991-05-16

Family

ID=25835791

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853546648 Expired - Lifetime DE3546648C2 (enrdf_load_stackoverflow) 1985-09-10 1985-09-10

Country Status (1)

Country Link
DE (1) DE3546648C2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018007108A1 (de) * 2018-09-07 2020-03-12 Giesecke+Devrient Currency Technology Gmbh Verbundglas mit betrachtungswinkelabhängig farbvariabler Zwischenfolie

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2450704B1 (de) * 1974-10-25 1975-12-04 Ver Glaswerke Gmbh Anordnung zum einspiegeln von ausserhalb der normalen blickrichtung liegenden optischen informationen in das sichtfeld einer windschutzscheibe
EP0104114A2 (fr) * 1982-09-21 1984-03-28 Thomson-Csf Dispositif viseur à miroir holographique, et procédé de fabrication du miroir
DE3532120A1 (de) * 1985-09-10 1987-03-19 Ver Glaswerke Gmbh Windschutzscheibe mit einer reflektierenden einrichtung zur einspiegelung von optischen signalen in das gesichtsfeld des fahrers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2450704B1 (de) * 1974-10-25 1975-12-04 Ver Glaswerke Gmbh Anordnung zum einspiegeln von ausserhalb der normalen blickrichtung liegenden optischen informationen in das sichtfeld einer windschutzscheibe
EP0104114A2 (fr) * 1982-09-21 1984-03-28 Thomson-Csf Dispositif viseur à miroir holographique, et procédé de fabrication du miroir
DE3532120A1 (de) * 1985-09-10 1987-03-19 Ver Glaswerke Gmbh Windschutzscheibe mit einer reflektierenden einrichtung zur einspiegelung von optischen signalen in das gesichtsfeld des fahrers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018007108A1 (de) * 2018-09-07 2020-03-12 Giesecke+Devrient Currency Technology Gmbh Verbundglas mit betrachtungswinkelabhängig farbvariabler Zwischenfolie
US11745474B2 (en) 2018-09-07 2023-09-05 Giesecke+Devrient Currency Technology Gmbh Composite glass with an intermediate film that changes colour depending on the viewing angle

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