Patent ID: 6212450
Filing Date: 2001-04-03
Classification: G06K,G07C

Abstract:
A data carrier system characterized by comprising:a vehicle-side control device installed in a vehicle and transmitting operational data of the vehicle; anda receiving device for receiving operational data transmitted from the vehicle-side control device,wherein the receiving device includes a receiving-device-side storage portion which stores received operational data, and said vehicle-side control device includes:a storage capacity detecting portion for detecting the amount of operational data stored in said receiving-device-side storage portion and an initialization detecting portion for detecting that said receiving-device-side storage portion is initialized such that the amount of operational data stored in said receiving-device-side storage portion is zero, anda vehicle-side-control-device-side storage portion which stores the operational data, andwhen said storage capacity detecting portion detects that the amount of operational data stored in said receiving-device-side storage portion is in a full state, the vehicle-side control device writes operational data in said vehicle-side-control-device-side storage portion, andwhen said storage capacity detecting portion detects that said receiving-device-side storage portion is initialized, the vehicle-side control device writes the operational data stored in said vehicle-side-control-device-side storage portion in said receiving-device-side storage portion of the receiving device.