Automatic car-speed controller

Details Automatic car-speed controller Automatic car-speed controller

1990-08-07

1992-06-30

Culbreth, Eric D.

Motor vehicles

With means responsive to speed of vehicle for maintaining...

Including electrically actuated servomechanism

123352, 180170, 36442604, B60K 3104

Patent

active

051254719

ABSTRACT:
An automatic car-speed controller is provided with a car-speed sensor, a command switch, a car-speed memory, an actuator, a control circuit for controlling the actuator, and a prohibition circuit for preventing a driving motor of the actuator to rotate in the accelerating direction at the time of cancelling car-speed control or occurrence of some abnormality in the control circuit or the like, or a discrimination circuit for detecting whether a first limit switch is normal or not without driving a throttle in the opening direction.

REFERENCES:
patent: 4885692 (1987-12-01), Kurihara et al.
patent: 4921063 (1990-05-01), Masuda
patent: 4934476 (1990-06-01), Hyodo
patent: 5014201 (1991-05-01), Tsukahara et al.

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