Title:
ON-VEHICLE DATA TRANSMISSION SYSTEM
Document Type and Number:
Japanese Patent JPH0267841
Kind Code:
A
Abstract:
PURPOSE: To improve the use efficiency of a network by sending a message once to the network and sending the message from another unit instead of a unit where abnormality occurs.
CONSTITUTION: When a unit A having a higher priority level out of units A and B which read in the signal outputted from an auxiliary machinery ai sends a message within a prescribed time, the unit B does not send the message; but when the unit A does not send the message within the prescribed time, the unit B sends the message instead of the unit A. Consequently, the same message is not sent to a network NW twice or more. Thus, the use efficiency of the network is improved.
Inventors:
AKASHI KAZUYA
TAGUCHI MORIHIKO
ISHIMAKI KENICHI
ISHIDA KIMITAKA
WAKASA KOKI
TAGUCHI MORIHIKO
ISHIMAKI KENICHI
ISHIDA KIMITAKA
WAKASA KOKI
Application Number:
JP22003988A
Publication Date:
March 07, 1990
Filing Date:
September 02, 1988
Export Citation:
Assignee:
FUJIKURA LTD
International Classes:
B60R16/02; H04L12/40; (IPC1-7): B60R16/02; H04L12/40
Attorney, Agent or Firm:
Masatake Shiga (2 outside)
Next Patent: JPH0267842