Patent ID: 11943233
Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
Field: Digital communication (Electrical engineering)
Classification: CPC H  B | IPC B  H

Claim 15:
16. A vehicle communication method for an in-vehicle network system including a plurality of apparatuses that performs communication of frames via an in-vehicle network, the plurality of apparatuses including an electronic control unit, the electronic control unit including a first control circuit and a second control circuit, the second control circuit configured to exchange information on frames with the first control circuit, the vehicle communication method comprising:
performing, by the first control circuit, a first determination process on a frame that is transmitted to the in-vehicle network, and determining conformity of the frame with a first rule;
transmitting, by the first control circuit and upon determining that the frame conforms to the first rule, the frame to the second control circuit;
performing, by the second control circuit, a second determination process on the frame, that is received from the first control circuit, and determining conformity of the frame with a second rule; and
transmitting, by the second control circuit and upon determining that the frame conforms to the second rule, the frame to the in-vehicle network,
wherein the second control circuit performs the second determination process on the frame, that is received from the first control circuit, after the frame is received by the second control circuit from the first control circuit.