Title:
列車通信システム
Document Type and Number:
Japanese Patent JP6561332
Kind Code:
B2
Abstract:
A train communication system is configured to perform wireless communication between two cars coupled to each other by using low power radio. The train communication system includes: a first device disposed on one coupling surface of two coupling surfaces facing each other between two cars; a second device disposed on the one coupling surface; a third device disposed on another coupling surface of the two coupling surfaces; and a fourth device disposed on the other coupling surface. The first device and the third device are disposed to face each other. The second device and the fourth device are disposed to face each other. When no wireless connections are established among the first device, the second device, the third device, and the fourth device, the first to fourth devices each perform at least one of switching of communication channels used for wireless communication among the first to fourth devices and switching of a master device or a slave device.
Inventors:
Maeda Takuji
Nobuhiko Arashin
Nobuhiko Arashin
Application Number:
JP2018508908A
Publication Date:
August 21, 2019
Filing Date:
March 09, 2017
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H04W4/42; B60L15/42; H04W4/48; H04W76/10; H04W84/20
Domestic Patent References:
| JP2001138916A | ||||
| JP201155079A | ||||
| JP201215581A | ||||
| JP2011205777A |
Foreign References:
| US20120057518 |
Attorney, Agent or Firm:
Kenji Kamada
Koichi Nomura
Koichi Nomura