JP7613556B2 - 投射装置および投射方法 - Google Patents

投射装置および投射方法 Download PDF

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Publication number
JP7613556B2
JP7613556B2 JP2023508761A JP2023508761A JP7613556B2 JP 7613556 B2 JP7613556 B2 JP 7613556B2 JP 2023508761 A JP2023508761 A JP 2023508761A JP 2023508761 A JP2023508761 A JP 2023508761A JP 7613556 B2 JP7613556 B2 JP 7613556B2
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Japan
Prior art keywords
light
projection
modulation
light source
spatial
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JP2023508761A
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English (en)
Japanese (ja)
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JPWO2022201941A1 (https=
JPWO2022201941A5 (https=
Inventor
紘也 高田
尚志 水本
藤男 奥村
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NEC Corp
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NEC Corp
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Publication of JPWO2022201941A5 publication Critical patent/JPWO2022201941A5/ja
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/142—Adjusting of projection optics
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
JP2023508761A 2021-03-22 2022-02-10 投射装置および投射方法 Active JP7613556B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021047565 2021-03-22
JP2021047565 2021-03-22
PCT/JP2022/005239 WO2022201941A1 (ja) 2021-03-22 2022-02-10 投射装置および投射方法

Publications (3)

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JPWO2022201941A1 JPWO2022201941A1 (https=) 2022-09-29
JPWO2022201941A5 JPWO2022201941A5 (https=) 2023-11-01
JP7613556B2 true JP7613556B2 (ja) 2025-01-15

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ID=83395562

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JP2023508761A Active JP7613556B2 (ja) 2021-03-22 2022-02-10 投射装置および投射方法

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US (1) US20240168363A1 (https=)
JP (1) JP7613556B2 (https=)
WO (1) WO2022201941A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7623249B2 (ja) * 2021-08-27 2025-01-28 Ｎｅｃプラットフォームズ株式会社 投射装置、投射制御方法、およびプログラム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080056723A1 (en) 2005-08-09 2008-03-06 Randy Clinton Giles Multiple access free space laser communication method and apparatus
WO2018223646A1 (en) 2017-06-08 2018-12-13 Boe Technology Group Co., Ltd. A dual-image projection apparatus, a head-up display apparatus, and a vehicle vision auxiliary system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080056723A1 (en) 2005-08-09 2008-03-06 Randy Clinton Giles Multiple access free space laser communication method and apparatus
WO2018223646A1 (en) 2017-06-08 2018-12-13 Boe Technology Group Co., Ltd. A dual-image projection apparatus, a head-up display apparatus, and a vehicle vision auxiliary system

Also Published As

Publication number Publication date
JPWO2022201941A1 (https=) 2022-09-29
WO2022201941A1 (ja) 2022-09-29
US20240168363A1 (en) 2024-05-23

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