JPH0291493U

JPH0291493U -

Info

Publication number: JPH0291493U
Application number: JP16945688U
Authority: JP
Priority date: 1988-12-29
Filing date: 1988-12-29
Publication date: 1990-07-19

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の回路図、第２図は
本考案の一実施例の要部の断面図、第３図は従来
の一例の回路図、第４図は従来の一例の要部の断
面図である。１……モータ、２……電源ライン、３……接地
ライン、Ｑ_１〜Ｑ_４……トランジスタ。 Fig. 1 is a circuit diagram of an embodiment of the present invention, Fig. 2 is a sectional view of essential parts of an embodiment of the invention, Fig. 3 is a circuit diagram of a conventional example, and Fig. 4 is a circuit diagram of a conventional example. It is a sectional view of the main part. 1...Motor, 2...Power line, 3...Grounding line, _Q1 to _Q4 ...Transistor.

Claims

[Claims for Utility Model Registration] A first series circuit comprising a first switch means and a third switch means, and a second series circuit comprising a second switch means and a fourth switch means. connected between the power supply line and the ground line, and between the connection point between the first switch means and the third switch means and the connection point between the second switch means and the fourth switch means. A motor drive circuit that connects a motor to a motor and controls the rotational direction of the motor by separately turning on and off the first, second, third, and fourth switch means in response to an external control signal, The first switch means and the second switch means are turned on during a brake operation to stop the rotation of the motor in response to a control signal from the outside, and the third switch means and the fourth switch means are turned on. A motor drive circuit comprising control means for turning off the and.