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Hidefumi Abe Patents |
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Inventor: Abe; Hidefumi
Address: Sendai, JP
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7240856 |
Fuel injection control device |
July 10, 2007 |
| This fuel injection control device includes: a fuel injection valve; a piezoelectric element or a solenoid which drives the fuel injection valve; a fuel pump which pressurizes fuel and supplies it to the fuel injection valve; a magnetostrictive element which drives the fuel pump; and |
| 7081726 |
Apparatus and method for driving a brushless motor |
July 25, 2006 |
| A drive system for a brushless motor. The brushless motor includes a rotor having opposite magnetic poles on its periphery, and a stator facing the rotor. The stator has, for example, three interconnected coils at equal angular intervals. The drive system includes a memory for storing dr |
| 6998808 |
Positioning apparatus using brushless motor |
February 14, 2006 |
| A positioning apparatus having a brushless motor, a positioning mechanism, and a motor control circuit to rotate a rotor of the brushless motor by sequentially supplying a driving pulse to a plurality of fixed coils of the brushless motor. The motor control circuit includes a driving pul |
| 6879119 |
Positioning controller |
April 12, 2005 |
| A positioning controller includes a gear mechanism having a rotating gear for positioning a movable member, a brushless motor to drive the rotating gear, and a motor control circuit to rotate a rotor of the brushless motor by sequentially supplying a driving pulse to a plurality of fixed |
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