Vehicle communication system

Details Vehicle communication system Vehicle communication system

1995-06-22

1997-12-16

Chin, Gary

Boots, shoes, and leggings

364423098, B60R 1602

Patent

active

056992505

ABSTRACT:
An engine ECU, an AT ECU, a meter ECU and an ABS ECU are connected by a common communication line. The CPU of the engine ECU computes various transmission data according to the detection results of sensors and switches and stores it in a memory. The CPU reorders the transmission data in the memory in ID order according to a preset ID (identification data). The reordered transmission data is then sent to the communication control circuit via a data transmission line. The transmission data is sent to the communication line according to transmission order. By sending the transmission data in the ID order, it is possible to minimize the transmission waiting time of high priority data. Moreover, if there is collision of different data on the communication line, the higher priority data is given priority in sending.

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patent: 5467272 (1995-11-01), Yoshida et al.
patent: 5490064 (1996-02-01), Minowa et al.

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