FR2693004A1 - Dispositif de collimation de faible encombrement, en particulier pour visuel de casque. - Google Patents

Dispositif de collimation de faible encombrement, en particulier pour visuel de casque. Download PDF

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Publication number
FR2693004A1
FR2693004A1 FR9204085A FR9204085A FR2693004A1 FR 2693004 A1 FR2693004 A1 FR 2693004A1 FR 9204085 A FR9204085 A FR 9204085A FR 9204085 A FR9204085 A FR 9204085A FR 2693004 A1 FR2693004 A1 FR 2693004A1
Authority
FR
France
Prior art keywords
mirror
spherical mirror
selective
spherical
coating
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.)
Granted
Application number
FR9204085A
Other languages
English (en)
French (fr)
Other versions
FR2693004B1 (enrdf_load_stackoverflow
Inventor
Lacroix Michel
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR9204085A priority Critical patent/FR2693004A1/fr
Publication of FR2693004A1 publication Critical patent/FR2693004A1/fr
Application granted granted Critical
Publication of FR2693004B1 publication Critical patent/FR2693004B1/fr
Granted 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
    • G02B27/30—Collimators
    • 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
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3016—Polarising elements involving passive liquid crystal 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
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • 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
    • G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
    • 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
    • G02B27/017—Head mounted
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/10—Mirrors with curved faces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
FR9204085A 1992-04-03 1992-04-03 Dispositif de collimation de faible encombrement, en particulier pour visuel de casque. Granted FR2693004A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9204085A FR2693004A1 (fr) 1992-04-03 1992-04-03 Dispositif de collimation de faible encombrement, en particulier pour visuel de casque.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9204085A FR2693004A1 (fr) 1992-04-03 1992-04-03 Dispositif de collimation de faible encombrement, en particulier pour visuel de casque.

Publications (2)

Publication Number Publication Date
FR2693004A1 true FR2693004A1 (fr) 1993-12-31
FR2693004B1 FR2693004B1 (enrdf_load_stackoverflow) 1997-02-21

Family

ID=9428450

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9204085A Granted FR2693004A1 (fr) 1992-04-03 1992-04-03 Dispositif de collimation de faible encombrement, en particulier pour visuel de casque.

Country Status (1)

Country Link
FR (1) FR2693004A1 (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0718645A3 (en) * 1994-12-19 1996-10-16 Sharp Kk Optical system and head mounted display using said optical system
FR2759788A1 (fr) * 1997-02-14 1998-08-21 Sextant Avionique Reduction d'images parasites dans un viseur tete haute
FR2776881A1 (fr) * 1998-03-24 1999-10-01 Thomson Csf Dispositif de visualisation en trois dimensions
FR2776882A1 (fr) * 1998-03-24 1999-10-01 Thomson Csf Dispositif de visualisation stereoscopique
WO2001002893A1 (en) * 1999-07-02 2001-01-11 Koninklijke Philips Electronics N.V. Head-mounted display
WO2001075508A1 (en) * 2000-03-31 2001-10-11 Koninklijke Philips Electronics N.V. Head-mounted display
WO2001018587A3 (en) * 1999-09-10 2002-02-21 Inviso Inc Display illumination system
WO2002088817A1 (en) * 2001-04-26 2002-11-07 Raytheon Company Wide-angle collimating optical device
CN112255805A (zh) * 2019-11-13 2021-01-22 谷歌有限责任公司 具有光导和全息元件的头戴式显示器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443858A (en) * 1966-02-23 1969-05-13 Farrand Optical Co Inc Infinite optical image-forming apparatus
US4163542A (en) * 1976-05-10 1979-08-07 Farrand Optical Co., Inc. Optical image-forming apparatus with tilted bi-refringent elements
EP0296710A2 (en) * 1987-06-23 1988-12-28 Kaiser Aerospace And Electronics Corporation Head-up display combiner utilizing a cholesteric liquid crystal element
EP0302619A2 (en) * 1987-08-03 1989-02-08 Kaiser Aerospace And Electronics Corporation Opticle collimating apparatus
EP0351967A2 (en) * 1988-07-06 1990-01-24 Kaiser Aerospace And Electronics Corporation Improved optical combiner collimating apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443858A (en) * 1966-02-23 1969-05-13 Farrand Optical Co Inc Infinite optical image-forming apparatus
US4163542A (en) * 1976-05-10 1979-08-07 Farrand Optical Co., Inc. Optical image-forming apparatus with tilted bi-refringent elements
EP0296710A2 (en) * 1987-06-23 1988-12-28 Kaiser Aerospace And Electronics Corporation Head-up display combiner utilizing a cholesteric liquid crystal element
EP0302619A2 (en) * 1987-08-03 1989-02-08 Kaiser Aerospace And Electronics Corporation Opticle collimating apparatus
EP0351967A2 (en) * 1988-07-06 1990-01-24 Kaiser Aerospace And Electronics Corporation Improved optical combiner collimating apparatus

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0718645A3 (en) * 1994-12-19 1996-10-16 Sharp Kk Optical system and head mounted display using said optical system
US6094242A (en) * 1994-12-19 2000-07-25 Sharp Kabushiki Kaisha Optical device and head-mounted display using said optical device
US6304303B1 (en) 1994-12-19 2001-10-16 Sharp Kabushiki Kaisha Optical device and head-mounted display using said optical device
US6433935B2 (en) 1996-07-02 2002-08-13 Three-Five Systems, Inc. Display illumination system
FR2759788A1 (fr) * 1997-02-14 1998-08-21 Sextant Avionique Reduction d'images parasites dans un viseur tete haute
FR2776881A1 (fr) * 1998-03-24 1999-10-01 Thomson Csf Dispositif de visualisation en trois dimensions
FR2776882A1 (fr) * 1998-03-24 1999-10-01 Thomson Csf Dispositif de visualisation stereoscopique
WO2001002893A1 (en) * 1999-07-02 2001-01-11 Koninklijke Philips Electronics N.V. Head-mounted display
US6404557B2 (en) 1999-09-10 2002-06-11 Inviso, Inc. Display illumination system
WO2001018587A3 (en) * 1999-09-10 2002-02-21 Inviso Inc Display illumination system
WO2001075508A1 (en) * 2000-03-31 2001-10-11 Koninklijke Philips Electronics N.V. Head-mounted display
WO2002088817A1 (en) * 2001-04-26 2002-11-07 Raytheon Company Wide-angle collimating optical device
US6563638B2 (en) 2001-04-26 2003-05-13 Raytheon Company Wide-angle collimating optical device
CN112255805A (zh) * 2019-11-13 2021-01-22 谷歌有限责任公司 具有光导和全息元件的头戴式显示器
US11662581B2 (en) 2019-11-13 2023-05-30 Google Llc Head mounted display with lightguide and holographic element

Also Published As

Publication number Publication date
FR2693004B1 (enrdf_load_stackoverflow) 1997-02-21

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