Title:
COMMUNICATION SYSTEM, DATA TRANSMISSION DEVICE, COMMUNICATION DEVICE, AND COMMUNICATION METHOD
Document Type and Number:
Japanese Patent JP2021093686
Kind Code:
A
Abstract:
To provide a communication system, data transmission device, communication device, and communication method that can exchange sufficient amount of data using a simple configuration without reducing speed of cars.SOLUTION: A communication system transmits data of a data transmission device installed on a route of a moving body having a plurality of cars to the moving body. The plurality of cars provided with respective reception units that receive the data transmitted from the data transmission device, which transmits different data to the respective reception units of the plurality of cars.SELECTED DRAWING: Figure 1
Inventors:
NAKAYAMA SUSUMU
TAKASU KENGO
TAKASU KENGO
Application Number:
JP2019224594A
Publication Date:
June 17, 2021
Filing Date:
December 12, 2019
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO
International Classes:
H04W76/15; B60L15/42; B61L3/12; B61L25/06; H04L1/00; H04L29/08; H04W4/42; H04W4/44; H04W28/04; H04W72/12
Attorney, Agent or Firm:
Yoshiki Hasegawa
Ikeda adult
Yoshinori Shimizu
Junichiro Sakamaki
Ikeda adult
Yoshinori Shimizu
Junichiro Sakamaki