JP7622858B2 - 送光装置、通信装置、制御方法、およびプログラム - Google Patents

送光装置、通信装置、制御方法、およびプログラム Download PDF

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Publication number
JP7622858B2
JP7622858B2 JP2023549178A JP2023549178A JP7622858B2 JP 7622858 B2 JP7622858 B2 JP 7622858B2 JP 2023549178 A JP2023549178 A JP 2023549178A JP 2023549178 A JP2023549178 A JP 2023549178A JP 7622858 B2 JP7622858 B2 JP 7622858B2
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Japan
Prior art keywords
modulation
light
image
communication
area
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JP2023549178A
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English (en)
Japanese (ja)
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JPWO2023047444A1 (https=
JPWO2023047444A5 (ja
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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    • 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
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • 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 
    • G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • 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
    • H04B10/50—Transmitters
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • 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
    • H04B10/114—Indoor or close-range type systems

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Optical Communication System (AREA)
JP2023549178A 2021-09-21 2021-09-21 送光装置、通信装置、制御方法、およびプログラム Active JP7622858B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/034501 WO2023047444A1 (ja) 2021-09-21 2021-09-21 送光装置、通信装置、制御方法、および記録媒体

Publications (3)

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JPWO2023047444A1 JPWO2023047444A1 (https=) 2023-03-30
JPWO2023047444A5 JPWO2023047444A5 (ja) 2024-05-16
JP7622858B2 true JP7622858B2 (ja) 2025-01-28

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JP2023549178A Active JP7622858B2 (ja) 2021-09-21 2021-09-21 送光装置、通信装置、制御方法、およびプログラム

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Country Link
US (1) US20240380493A1 (https=)
JP (1) JP7622858B2 (https=)
WO (1) WO2023047444A1 (https=)

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
WO2017169913A1 (ja) 2016-03-29 2017-10-05 日本電気株式会社 通信装置および通信方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011061267A (ja) * 2009-09-07 2011-03-24 Osaka Univ 光無線通信用送信装置

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
WO2017169913A1 (ja) 2016-03-29 2017-10-05 日本電気株式会社 通信装置および通信方法

Also Published As

Publication number Publication date
WO2023047444A1 (ja) 2023-03-30
US20240380493A1 (en) 2024-11-14
JPWO2023047444A1 (https=) 2023-03-30

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