US 2003/0076069 A1Published application

Drive unit for initialization

AssigneeYazaki Corporation

InventorsYoshihisa Yamada, Hidemasa Umehara, Yoshiyuki Muramatsu

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Abstract

For providing a drive unit for initialization, in which a pointer in an indicator for a vehicle can point immediately after an ignition switch is turned ON, and frequency of seeing motion of a pointer in an initializing operation by a car driver is reduced, the sensing means 8a-3O senses an open/close operation of a door. Correspondingly to sense of the sensing means 8a-3, the drive-start means 8a-4 starts rotation of a stepping motor by the drive means 8a-1 for initialization. The drive means 8a-1 for initialization rotates the stepping motor to move a driven member toward a stopper.

Claims6

Dependent claims

A drive unit for initialization including drive means for initializing a stepping motor to rotate for actuating a pointer in an indicator of a vehicle so as to move a driven member, interlockingly with rotation of the stepping motor, toward a stopper for stopping the rotation of the stepping motor mechanically by abutting therewith, and drive-stop means for stopping the rotation of the stepping motor electrically after the driven member being abutted on the stopper, comprising:

sensing means for sensing an open/close operation of a door of the vehicle;
and
drive-start means for starting rotation of the stepping motor by said drive means for initialization, correspondingly to an output of the sensing means when an ignition switch is in a state of OFF condition.

Dependencies are inferred from the claim text.