FR2638242B1 - OPTICAL COLLIMATION SYSTEM, ESPECIALLY FOR A HELMET VISUAL - Google Patents

OPTICAL COLLIMATION SYSTEM, ESPECIALLY FOR A HELMET VISUAL

Info

Publication number
FR2638242B1
FR2638242B1 FR8813829A FR8813829A FR2638242B1 FR 2638242 B1 FR2638242 B1 FR 2638242B1 FR 8813829 A FR8813829 A FR 8813829A FR 8813829 A FR8813829 A FR 8813829A FR 2638242 B1 FR2638242 B1 FR 2638242B1
Authority
FR
France
Prior art keywords
collimation system
optical collimation
helmet visual
helmet
visual
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
FR8813829A
Other languages
French (fr)
Other versions
FR2638242A1 (en
Inventor
Jean-Pierre Gerbe
Jean-Blaise Migozzi
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 FR8813829A priority Critical patent/FR2638242B1/en
Priority to EP89402832A priority patent/EP0365406B1/en
Priority to DE89402832T priority patent/DE68909553T2/en
Priority to US07/424,200 priority patent/US5453877A/en
Priority to CA002001086A priority patent/CA2001086C/en
Priority to JP1274784A priority patent/JP2746697B2/en
Publication of FR2638242A1 publication Critical patent/FR2638242A1/en
Application granted granted Critical
Publication of FR2638242B1 publication Critical patent/FR2638242B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08Catadioptric systems
    • G02B17/0856Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
    • G02B17/086Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00Systems with reflecting surfaces, with or without refracting elements
    • G02B17/008Systems specially adapted to form image relays or chained systems
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08Catadioptric systems
    • G02B17/0804Catadioptric systems using two curved mirrors
    • G02B17/0812Catadioptric systems using two curved mirrors off-axis or unobscured systems in which all of the mirrors share a common axis of rotational symmetry
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/017Head mounted
    • G02B27/0172Head mounted characterised by optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/017Head mounted
FR8813829A 1988-10-21 1988-10-21 OPTICAL COLLIMATION SYSTEM, ESPECIALLY FOR A HELMET VISUAL Expired - Lifetime FR2638242B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR8813829A FR2638242B1 (en) 1988-10-21 1988-10-21 OPTICAL COLLIMATION SYSTEM, ESPECIALLY FOR A HELMET VISUAL
EP89402832A EP0365406B1 (en) 1988-10-21 1989-10-13 Optical collimating system for a helmet visual
DE89402832T DE68909553T2 (en) 1988-10-21 1989-10-13 Optical collimation system for a helmet view indicator.
US07/424,200 US5453877A (en) 1988-10-21 1989-10-19 Optical system of collimation notably for helmet display unit
CA002001086A CA2001086C (en) 1988-10-21 1989-10-20 Optical sighting system, mainly for visual display helmet
JP1274784A JP2746697B2 (en) 1988-10-21 1989-10-20 Collimating optical system, especially for helmet display devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8813829A FR2638242B1 (en) 1988-10-21 1988-10-21 OPTICAL COLLIMATION SYSTEM, ESPECIALLY FOR A HELMET VISUAL

Publications (2)

Publication Number Publication Date
FR2638242A1 FR2638242A1 (en) 1990-04-27
FR2638242B1 true FR2638242B1 (en) 1991-09-20

Family

ID=9371201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8813829A Expired - Lifetime FR2638242B1 (en) 1988-10-21 1988-10-21 OPTICAL COLLIMATION SYSTEM, ESPECIALLY FOR A HELMET VISUAL

Country Status (1)

Country Link
FR (1) FR2638242B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11849262B2 (en) 2019-03-12 2023-12-19 Lumus Ltd. Image projector

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US5748264A (en) * 1995-01-10 1998-05-05 Hughes Electronics Distortion Corrected display
AU2007203022B2 (en) * 2002-03-21 2010-02-18 Lumus Ltd. A Light Guide Optical Device
IL148804A (en) 2002-03-21 2007-02-11 Yaacov Amitai Optical device
IL166799A (en) 2005-02-10 2014-09-30 Lumus Ltd Substrate-guided optical device utilizing beam splitters
US10073264B2 (en) 2007-08-03 2018-09-11 Lumus Ltd. Substrate-guide optical device
US10048499B2 (en) 2005-11-08 2018-08-14 Lumus Ltd. Polarizing optical system
EP1804103B1 (en) 2005-12-29 2009-06-17 C.R.F. Società Consortile per Azioni Optical system for image transmission, particularly for projection devices of the head-mounted type
FR2987458B1 (en) * 2012-02-23 2015-03-13 Sagem Defense Securite SUPERPOSITION VISUALIZATION DEVICE HAVING TWO BLOCKS
IL219907A (en) 2012-05-21 2017-08-31 Lumus Ltd Head-mounted display eyeball tracker integrated system
IL232197B (en) 2014-04-23 2018-04-30 Lumus Ltd Compact head-mounted display system
IL235642B (en) 2014-11-11 2021-08-31 Lumus Ltd Compact head-mounted display system protected by a hyperfine structure
KR20230066124A (en) 2016-10-09 2023-05-12 루머스 리미티드 Aperture multiplier using a rectangular waveguide
WO2018087756A1 (en) 2016-11-08 2018-05-17 Lumus Ltd Light-guide device with optical cutoff edge and corresponding production methods
US11500143B2 (en) 2017-01-28 2022-11-15 Lumus Ltd. Augmented reality imaging system
KR102338472B1 (en) 2017-02-22 2021-12-14 루머스 리미티드 light guide optical assembly
CN117572644A (en) 2017-03-22 2024-02-20 鲁姆斯有限公司 Method for producing a light-guiding optical element and optical system
IL251645B (en) 2017-04-06 2018-08-30 Lumus Ltd Light-guide optical element and method of its manufacture
WO2019016813A1 (en) 2017-07-19 2019-01-24 Lumus Ltd. Lcos illumination via loe
US10506220B2 (en) 2018-01-02 2019-12-10 Lumus Ltd. Augmented reality displays with active alignment and corresponding methods
US10551544B2 (en) 2018-01-21 2020-02-04 Lumus Ltd. Light-guide optical element with multiple-axis internal aperture expansion
IL259518B2 (en) 2018-05-22 2023-04-01 Lumus Ltd Optical system and method for improvement of light field uniformity
BR112020023513A2 (en) 2018-05-23 2021-02-09 Lumus Ltd. optical system
US11415812B2 (en) 2018-06-26 2022-08-16 Lumus Ltd. Compact collimating optical device and system
IL309806A (en) 2018-09-09 2024-02-01 Lumus Ltd Optical systems including light-guide optical elements with two-dimensional expansion
KR102549665B1 (en) 2019-01-24 2023-06-29 루머스 리미티드 Optical system including a light guiding optical element capable of two-dimensional expansion
WO2020261279A1 (en) 2019-06-27 2020-12-30 Lumus Ltd. Apparatus and methods for eye tracking based on eye imaging via a light-guide optical element
MX2022000009A (en) 2019-07-04 2022-02-23 Lumus Ltd Image waveguide with symmetric beam multiplication.
CA3223538C (en) 2019-12-05 2024-02-20 Lumus Ltd Light-guide optical element employing complementary coated partial reflectors, and light-guide optical element having reduced light scattering
US11523092B2 (en) 2019-12-08 2022-12-06 Lumus Ltd. Optical systems with compact image projector
CA3164587A1 (en) 2019-12-30 2021-07-08 Lumus Ltd. Optical systems including light-guide optical elements with two-dimensional expansion
EP4325277A2 (en) 2020-05-24 2024-02-21 Lumus Ltd. Method of fabrication of compound light-guide optical elements
DE202021104723U1 (en) 2020-09-11 2021-10-18 Lumus Ltd. Image projector coupled to an optical light guide element
KR102620208B1 (en) 2021-02-25 2023-12-29 루머스 리미티드 Optical aperture multiplier with rectangular waveguide
WO2023281499A1 (en) 2021-07-04 2023-01-12 Lumus Ltd. Display with stacked light-guide elements providing different parts of field of view
WO2023026266A1 (en) 2021-08-23 2023-03-02 Lumus Ltd. Methods of fabrication of compound light-guide optical elements having embedded coupling-in reflectors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923370A (en) * 1974-10-15 1975-12-02 Honeywell Inc Head mounted displays
GB1578136A (en) * 1977-06-20 1980-11-05 Hawker Siddeley Aviation Ltd Helmet-mounted sights
US4711512A (en) * 1985-07-12 1987-12-08 Environmental Research Institute Of Michigan Compact head-up display
US4755023A (en) * 1986-10-27 1988-07-05 Kaiser Aerospace And Electronics Corporation Headgear mounted display visor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11849262B2 (en) 2019-03-12 2023-12-19 Lumus Ltd. Image projector

Also Published As

Publication number Publication date
FR2638242A1 (en) 1990-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse