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Patent Searching and Data


Title:
SPEED CONTROL DEVICE FOR CAR
Document Type and Number:
Japanese Patent JPS57102533
Kind Code:
A
Abstract:

PURPOSE: To prevent a microcomputer from speeding by generating a reset signal by the operation of speed restraining and resetting the microcomputer at the initial step of a program for releasing the automatic control of a throttle valve.

CONSTITUTION: Just after an electric source switch 9 is thrown in, a reset input terminal 40 is at a low level by a condenser 42, and a microcomputer 7 is resetted to be automatically controlled by operations of a set switch 22 and a resuming switch 36 in accordance with a program. When the microcomputer 7 speeds to operate a brake and a clutch during running, switches 46 and 44 are connected, and the reset input terminal 40 is brought to a low level to reset the microcomputer 7. This construction permits to prevent the microcomputer 7 from speeding.


Inventors:
MIYAZAKI AKIRA
Application Number:
JP17754480A
Publication Date:
June 25, 1982
Filing Date:
December 15, 1980
Export Citation:
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Assignee:
FUJITSU TEN LTD
International Classes:
F02D41/14; B60K31/00; B60K31/06; F02D29/02; G05D13/62; (IPC1-7): B60K31/00; F02D29/02; G05D13/62
Domestic Patent References:
JPS5340102B21978-10-25