Patent ID: 11863245
Assignee: HITACHI ASTEMO, LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. The signal transmission system according to claim 10, further comprising:
a third electronic device connected to the first electronic device by a signal wiring; and
a switch provided between the first electronic device, the second electronic device, and the third electronic device,
wherein
the third electronic device includes:
a third communication unit that performs communication with the first electronic device via the signal wiring;
a third signal processing unit that performs signal processing related to the communication;
a third power supply unit that supplies power to the third communication unit and the third signal processing unit using the direct current supplied from the first electronic device via the signal wiring; and
a third filter circuit connected between the signal wiring and the third power supply unit,

the first signal processing unit further determines a state of the third filter circuit based on the communication quality information,
the signal wiring includes a first signal wiring connecting the second electronic device and the switch, a second signal wiring connecting the third electronic device and the switch, and a third signal wiring and a fourth signal wiring connecting the first electronic device and the switch, and
the switch switches connection between the first signal wiring and the second signal wiring, and connection between the third signal wiring and the fourth signal wiring based on a determination result of a state of the first filter circuit, the second filter circuit, and the third filter circuit by the first signal processing unit.