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Title:
CONSTANT SPEED RUNNING DEVICE FOR VEHICLE
Document Type and Number:
Japanese Patent JP3632361
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To correctly detect trouble of a switch so as to output a warning only against the switch trouble by judging a system to be abnormal when set switch input is generated at the receipt beginning time point of set switch input, and switch input is generated after the lapse of a fixed time from the receipt beginning of switch input, and outputting a warning.
SOLUTION: When the time point capable of receiving a set switch (switch) is time t6-t7, a main switch is set ON, and power supply and self-diagnosis are begun. When the result is normal, judgement of system normality and receipt of switch input are made possible. When the switch is already ON at this time point, the switch input is not received, existence of input is reconfirmed after a time T1, and running control is begun at existence of the input. Meanwhile, after a time t8, at a time point capable of receiving switch input, if the switch is already ON and the switch ON is continued from beginning of receipt to after the lapse of the time T1, abnormality of a system due to switch trouble is judged and and warned by a display lamp.


Inventors:
Hiroyuki Ueshima
Sanwa Seiji
Kazuhiko Ito
Masakazu Imai
Tetsuya Asada
Application Number:
JP6967097A
Publication Date:
March 23, 2005
Filing Date:
March 24, 1997
Export Citation:
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Assignee:
Nissan Motor Co., Ltd
International Classes:
B60K28/10; B60K31/00; B60K31/04; B60W30/00; F02D29/02; F02D41/14; F02D45/00; (IPC1-7): B60K31/00; B60K28/10; F02D29/02; F02D41/14; F02D45/00
Domestic Patent References:
JP4055417U
JP4189630A
Attorney, Agent or Firm:
Fuyuki Nagai