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Patent Searching and Data


Title:
LIGHT EMITTING DEVICE AND OPTICAL COMMUNICATION SYSTEM
Document Type and Number:
Japanese Patent JP2023130831
Kind Code:
A
Abstract:
To allow a master unit to perform optical wireless communication with a slave unit that is moving underwater without changing the posture of the master unit.SOLUTION: A light emitting device 2 has a light source 21 having a plurality of light emitting bodies 211, each of which emits light in a different direction in water, a location identification unit 262 that identifies the location of a mobile body 1 moving in the water, and an operation control unit 264 that controls the light source 21 so that one or more of the plurality of light emitting bodies 211 emits light toward the position of the mobile body 1 at the current time and the light intensity of the light emitting bodies 211 other than the one or more light emitting bodies 211 is smaller than the light intensity of the one or more light emitting bodies 211.SELECTED DRAWING: Figure 3

Inventors:
NISHITANI AKIHIKO
YOSHIHARA TAKAHITO
KAWADA RYOICHI
KOJIMA JUNICHI
Application Number:
JP2022035348A
Publication Date:
September 21, 2023
Filing Date:
March 08, 2022
Export Citation:
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Assignee:
KDDI CORP
International Classes:
H05B47/195; H04B10/80; H05B39/10
Attorney, Agent or Firm:
Michihiro Izumi
Kyosuke Kutsune
Kensuke Terakawa