Title:
MOTOR CONTROLLER
Document Type and Number:
Japanese Patent JP3276859
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To control a motor in response to switch operation independently of the state of a control circuit.
SOLUTION: A first control circuit F outputs a first signal with a specified period in the case of normal state, outputs a third signal controlling a motor M on the basis of a second signal corresponding to the operation of a switch, and stops outputting the first signal having the specified period in the case of an abnormal state. A second control circuit G consists of the following; an AND circuit H which inputs the third signal to one side input terminal, an AND circuit I which inputs the second signal to the other side input terminal, a NOT circuit J whose output terminal is connected with the other side input terminal of the AND circuit H, an output means K which continuously outputs a fourth signal of a low state to an input terminal of the NOT circuit J and the other side input terminal of the AND circuit I when the first signal is outputted at a specified period, and outputs a fourth signal of a high state to an input terminal of the NOT circuit J and the other side input terminal of the AND circuit I when the first signal is not outputted with a specified period, and a driving means L which drives the motor M on the basis of the output of the AND circuit H or the AND circuit I.
Inventors:
Yoshiharu Kawarasaki
Taiji Seibu
Hitoshi Iwata
Taiji Seibu
Hitoshi Iwata
Application Number:
JP23104596A
Publication Date:
April 22, 2002
Filing Date:
August 30, 1996
Export Citation:
Assignee:
Tokai Rika Electric Co., Ltd.
International Classes:
B60K20/00; G05B9/03; H02P1/22; H02P3/08; H02P29/00; E05F15/10; (IPC1-7): H02P1/22; B60K20/00; E05F15/10; H02P3/08
Domestic Patent References:
| JP658047A | ||||
| JP1142783U |
Attorney, Agent or Firm:
Atsushi Nakajima (3 outside)