IMAGE PROCESSING DEVICE AND METHOD FOR CONTROLLING A MOTOR SYSTEM

• US 20050206963A1
• Filed: 03/15/2005
• Published: 09/22/2005
• Est. Priority Date: 03/18/2004
• Status: Active Grant

• Current Assignee: Deshodax LLC (IP Edge LLC)
• Original Assignee: Qisda Corporation
• Inventors: Lee, Chun-Jen, Hung, Yueh-Chi
• Granted Patent: US 7,307,398 B2
• Time in Patent Office: Days
• US Class Current: 358/448
• CPC Class Codes: H04N 1/047 Detection, control or error compensation of scanning velocity or position H04N1/0402 and H04N1/17 take precedence
• CPC Class Codes: H04N 2201/0094 Multifunctional device, i.e. a device capable of all of reading, reproducing, copying, facsimile transception, file transception
• CPC Class Codes: H04N 2201/02439 Positioning method
• CPC Class Codes: H04N 2201/04755 by controlling the position or movement of a scanning element or carriage, e.g. of a polygonal mirror, of a drive motor
• CPC Class Codes: H04N 2201/04794 Varying the control or compensation during the scan, e.g. using continuous feedback or from line to line

Abstract

A image processing device includes a first module, a motor system connected to the first module and capable of pushing the first module to move forward, a selector connected to a plurality of loading circuits included in the motor system and capable of selecting a loading circuit among the plurality of loading circuits and setting the selected loading circuit as a loading of the motor system, and a controller electrically connected to a driver included in the motor system and capable of controlling a speed of the motor system pushing the first module.

Claims

1. An image processing device comprising:

a first module;

a motor system connected to the first module and capable of pushing the first module to move forward, comprising;

a motor;

a driver for driving the motor;

a plurality of loading circuits; and

a power supply for providing power to the motor and the driver;

a selector connected to the plurality of loading circuits and capable of selecting a loading circuit among the plurality of loading circuits and setting the selected loading circuit as a loading of the motor system; and

a controller electrically connected to the driver and capable of controlling a speed of the motor system pushing the first module.

2. The image processing device of claim 1 wherein the first module is a scanning module for scanning an image.

3. The image processing device of claim 1 wherein the first module is a printing module for printing a document.

4. The image processing device of claim 1 wherein when one of the plurality of loading circuits is selected, the selected loading circuit is set as a loading of the driver.

5. The image processing device of claim 1 wherein when one of the plurality of loading circuits is selected, the selected loading circuit is set as a loading of the motor.

6. The image processing device of claim 1 wherein the motor is a stepping motor.

7. The image processing device of claim 1 wherein the driver is a Darlington circuit.

8. A method for controlling a motor system of an image processing device, wherein the image processing device comprises a first module and a motor system electrically connected to the first module, wherein the motor system comprises a plurality of loading circuits, the method comprising:

selecting a loading circuit among the plurality of loading circuits and setting the selected loading circuit as a loading of the motor system for controlling power provided to the motor system.

9. The method of claim 8 wherein the first module is a scanning module.

10. The method of claim 8 wherein the first module is a printing module.

11. The method of claim 8 wherein the loading circuit is selected among the plurality of loading circuits according to a speed of the first module.

12. The method of claim 8 wherein the loading circuit is selected among the plurality of loading circuits according to a resolution set by the image processing device.