GB2595345B - Image projector - Google Patents

Image projector Download PDF

Info

Publication number
GB2595345B
GB2595345B GB2104010.0A GB202104010A GB2595345B GB 2595345 B GB2595345 B GB 2595345B GB 202104010 A GB202104010 A GB 202104010A GB 2595345 B GB2595345 B GB 2595345B
Authority
GB
United Kingdom
Prior art keywords
image projector
projector
image
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
GB2104010.0A
Other versions
GB2595345A (en
GB202104010D0 (en
Inventor
Christmas Jamieson
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.)
Envisics Ltd
Original Assignee
Envisics Ltd
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
Priority to GB2212712.0A priority Critical patent/GB2610316B/en
Priority claimed from GB1811705.1A external-priority patent/GB2575651B/en
Priority claimed from GB2016828.2A external-priority patent/GB2591322B/en
Application filed by Envisics Ltd filed Critical Envisics Ltd
Priority to GB2104010.0A priority patent/GB2595345B/en
Publication of GB202104010D0 publication Critical patent/GB202104010D0/en
Publication of GB2595345A publication Critical patent/GB2595345A/en
Application granted granted Critical
Publication of GB2595345B publication Critical patent/GB2595345B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H1/2205—Reconstruction geometries or arrangements using downstream optical component
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2294—Addressing the hologram to an active spatial light modulator
    • 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
    • G02B2027/011—Head-up displays characterised by optical features comprising device for correcting geometrical aberrations, distortion
    • 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
    • G02B27/0149—Head-up displays characterised by mechanical features
    • G02B2027/015—Head-up displays characterised by mechanical features involving arrangement aiming to get less bulky devices
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2236—Details of the viewing window
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2249—Holobject properties
    • G03H2001/2284—Superimposing the holobject with other visual information
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2223/00—Optical components
    • G03H2223/24—Reflector; Mirror
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2225/00—Active addressable light modulator
    • G03H2225/10—Shape or geometry
GB2104010.0A 2018-07-17 2020-10-23 Image projector Active GB2595345B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2212712.0A GB2610316B (en) 2018-07-17 2018-07-17 Image projector
GB2104010.0A GB2595345B (en) 2018-07-17 2020-10-23 Image projector

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1811705.1A GB2575651B (en) 2018-07-17 2018-07-17 Image projector
GB2016828.2A GB2591322B (en) 2018-07-17 2018-07-17 Image projector
GB2104010.0A GB2595345B (en) 2018-07-17 2020-10-23 Image projector

Publications (3)

Publication Number Publication Date
GB202104010D0 GB202104010D0 (en) 2021-05-05
GB2595345A GB2595345A (en) 2021-11-24
GB2595345B true GB2595345B (en) 2022-10-19

Family

ID=75690052

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2212712.0A Active GB2610316B (en) 2018-07-17 2018-07-17 Image projector
GB2104010.0A Active GB2595345B (en) 2018-07-17 2020-10-23 Image projector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2212712.0A Active GB2610316B (en) 2018-07-17 2018-07-17 Image projector

Country Status (1)

Country Link
GB (2) GB2610316B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2534151A (en) * 2015-01-14 2016-07-20 Jaguar Land Rover Ltd Head-up display apparatus
US20170269362A1 (en) * 2014-08-22 2017-09-21 Calsonic Kansei Corporation Head-up display apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170269362A1 (en) * 2014-08-22 2017-09-21 Calsonic Kansei Corporation Head-up display apparatus
GB2534151A (en) * 2015-01-14 2016-07-20 Jaguar Land Rover Ltd Head-up display apparatus

Also Published As

Publication number Publication date
GB2595345A (en) 2021-11-24
GB2610316B (en) 2023-05-17
GB202104010D0 (en) 2021-05-05
GB2610316A (en) 2023-03-01
GB202212712D0 (en) 2022-10-19

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