Patent ID: 11904803
Assignee: KIA CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC B  G  H  Y | IPC B  G  H

Claim 0:
1. A system for wireless communication with a seat belt comprising:
a seat belt sensor provided on a per-seat basis and configured to detect whether a seat belt is fastened;
a secondary controller provided on a per-seat basis and configured to wake up through wireless communication with a vehicle, to transmit a secondary data signal comprising a state of a buckle detected by a seat belt sensor through the wireless communication, and configured to switch to a sleep state after the secondary data signal is transmitted; and
a primary controller provided in the vehicle and configured to receive and store the secondary data signal wirelessly transmitted by each of the secondary controllers, and configured to transmit the stored secondary data signal to a vehicle system controller;
wherein the secondary controller switches to the sleep state when the primary controller does not properly receive the secondary data signal, when the secondary controller retransmits the secondary data signal, and, when the number of times the secondary data signal is retransmitted is greater than a predetermined number of times.