US 11,987,274 B2
In-vehicle communication system
Kazuya Sasaki, Shizuoka (JP); Takayuki Araki, Shizuoka (JP); Shuhei Kojima, Shizuoka (JP); and Junichi Kusano, Shizuoka (JP)
Assigned to Koito Electric Industries, Ltd., Shizuoka (JP)
Appl. No. 17/291,472
Filed by Koito Electric Industries, Ltd., Shizuoka (JP)
PCT Filed Oct. 17, 2019, PCT No. PCT/JP2019/040827
§ 371(c)(1), (2) Date May 5, 2021,
PCT Pub. No. WO2020/110496, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 2018-223103 (JP), filed on Nov. 29, 2018.
Prior Publication US 2022/0024498 A1, Jan. 27, 2022
Int. Cl. B61D 33/00 (2006.01); B60R 16/023 (2006.01); B61D 29/00 (2006.01); H04B 10/116 (2013.01)
CPC B61D 33/0021 (2013.01) [B60R 16/023 (2013.01); B61D 29/00 (2013.01); H04B 10/116 (2013.01)] 3 Claims
OG exemplary drawing
 
1. An in-vehicle communication system comprising:
a lighting device configured to light inside a passenger compartment of a railway vehicle; and
a plurality of seats installed inside the passenger compartment, wherein
the lighting device includes a first light-emitting element configured to transmit a command of rotating the plurality of seats all at once or a command of returning reclined seats back to a default angle after passengers get off or when arriving at a terminal station to the plurality of seats via visible light communication, and
each of the plurality of seats includes a first light-receiving element configured to receive the command transmitted from the lighting device, and a control unit configured to rotate seats or return the reclined seats back to the default angle based on the command received by the first light-receiving element.