Title:
DC MOTOR DRIVER
Document Type and Number:
Japanese Patent JP2013240214
Kind Code:
A
Abstract:
To switch the direction and speed of rotation of a DC motor immediately, while reducing overshoot.
The DC motor driver is configured so as to release the counter electromotive force of a DC motor generated in a direction opposite from a driving current by a first switch disposed between a power supply configuring a drive circuit for CW rotation and the DC motor and a second switch disposed between the DC motor and the GND, a third switch disposed between the power supply configuring a drive circuit for CCW rotation and the DC motor and a fourth switch disposed between the DC motor and the GND, and control means for adjusting the direction and speed of rotation of the DC motor by intermittent switching of each switch.
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Inventors:
MAEDA HIROSHI
Application Number:
JP2012112291A
Publication Date:
November 28, 2013
Filing Date:
May 16, 2012
Export Citation:
Assignee:
BERIVER ELECTRONICS INC
International Classes:
H02P7/29
Domestic Patent References:
| JPH068838A | 1994-01-18 | |||
| JP2001016893A | 2001-01-19 | |||
| JPH1127979A | 1999-01-29 | |||
| JP2003244988A | 2003-08-29 |
Attorney, Agent or Firm:
Ryuichi Togashi