GB2591322B - Image projector - Google Patents

Image projector Download PDF

Info

Publication number
GB2591322B
GB2591322B GB2016828.2A GB202016828A GB2591322B GB 2591322 B GB2591322 B GB 2591322B GB 202016828 A GB202016828 A GB 202016828A GB 2591322 B GB2591322 B GB 2591322B
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
GB2016828.2A
Other versions
GB202016828D0 (en
GB2591322A (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
Application filed by Envisics Ltd filed Critical Envisics Ltd
Priority to GB2016828.2A priority Critical patent/GB2591322B/en
Priority to GB2212712.0A priority patent/GB2610316B/en
Priority claimed from GB1811705.1A external-priority patent/GB2575651B/en
Priority to GB2104010.0A priority patent/GB2595345B/en
Publication of GB202016828D0 publication Critical patent/GB202016828D0/en
Publication of GB2591322A publication Critical patent/GB2591322A/en
Application granted granted Critical
Publication of GB2591322B publication Critical patent/GB2591322B/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
    • G03H1/2249—Holobject properties
    • 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
    • G02B27/0149—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
    • G03H1/2205—Reconstruction geometries or arrangements using downstream optical component
    • G03H2001/2213—Diffusing screen revealing the real holobject, e.g. container filed with gel to reveal the 3D holobject
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
GB2016828.2A 2018-07-17 2018-07-17 Image projector Active GB2591322B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2016828.2A GB2591322B (en) 2018-07-17 2018-07-17 Image projector
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 (2)

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

Publications (3)

Publication Number Publication Date
GB202016828D0 GB202016828D0 (en) 2020-12-09
GB2591322A GB2591322A (en) 2021-07-28
GB2591322B true GB2591322B (en) 2022-02-16

Family

ID=73727296

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2016828.2A Active GB2591322B (en) 2018-07-17 2018-07-17 Image projector

Country Status (1)

Country Link
GB (1) GB2591322B (en)

Citations (3)

* 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
JP2017067944A (en) * 2015-09-29 2017-04-06 株式会社リコー Display image generation device and image display device
US20170269362A1 (en) * 2014-08-22 2017-09-21 Calsonic Kansei Corporation Head-up display apparatus

Patent Citations (3)

* 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
JP2017067944A (en) * 2015-09-29 2017-04-06 株式会社リコー Display image generation device and image display device

Also Published As

Publication number Publication date
GB202016828D0 (en) 2020-12-09
GB2591322A (en) 2021-07-28

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