PRINT SYSTEM CAPABLE OF DETECTING AN ABNORAML PRINT CONDITION

• US 20060012625A1
• Filed: 05/23/2005
• Published: 01/19/2006
• Est. Priority Date: 07/16/2004
• Status: Abandoned Application

• Current Assignee: BenQ Corporation (Qisda Corporation)
• Original Assignee: BenQ Corporation (Qisda Corporation)
• Inventors: Huang, Yao-Te
• Application Number:
  US10/908,703
• Publication Number:
  US 20060012625A1
• Time in Patent Office: Days
• US Class Current: 347/19
• CPC Class Codes: B41J 29/38 Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
• CPC Class Codes: B41J 29/393 Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns

Abstract

A print system includes a print module for printing an image, a motor module for driving the print module, a detecting module for detecting a physical parameter of a component of the print system, and a control module electrically connected to the detection module for controlling the print system, generating a change rate of the physical parameter according to physical parameters detected by the detecting module, and adjusting the operation of the print system according to the change rate of the physical parameter.

Claims

1. A print system comprising:

a print module for printing an image;

a motor driving module for driving the print module to print the image;

a detecting module for detecting a physical parameter of a component of the print system; and

a control module electrically connected to the detecting module for controlling an operation of the print system.

2. The print system of claim 1, wherein the detecting module is utilized for detecting the physical parameter of the print module.

3. The print system of claim 1, wherein the detecting module is utilized for detecting the physical parameter of the motor driving module.

4. The print system of claim 1 further comprising:

a power supplying module for supplying needed power for the operation of the print system;

wherein the detecting module is utilized for detecting the physical parameter of the power supplying module.

5. The print system of claim 4, wherein the detecting module comprises:

a plurality of sensors for measuring physical parameters of the print module, the motor driving module, and the power supplying module;

an analog multiplexer for receiving the physical parameters measured by the sensors, and sampling the physical parameters; and

an analog-to-digital converter for receiving the sampled physical parameters transferred from the analog multiplexer, transforming the sampled physical parameters into digital data, and transferring the digital data to the control module.

6. The print system of claim 5, wherein the sensor is a temperature sensor.

7. The print system of claim 1 further comprising:

a memory module for storing a normal physical parameter variation rate.

8. The print system of claim 7, wherein the control module adjusts the operation of the print system according to a comparison result between the physical parameter variation rate and the normal physical parameter variation rate.

9. The print system of claim 8, wherein the control module further comprises:

a physical parameter variation rate calculator for performing a calculation on physical parameters detected by the detecting module in a specific time interval to generate the physical parameter variation rate; and

a data comparator for comparing the physical parameter variation rate generated by the physical parameter variation rate calculator and the normal physical parameter variation rate stored in the memory module.

10. The print system of claim 1 further comprising:

a display module for displaying the operation of the print system.

11. The print system of claim 1, wherein the physical parameter is a temperature.

12. The print system of claim 1, wherein the physical parameter is a voltage.

13. The print system of claim 1, wherein the physical parameter is a current.

14. A method for controlling a print system comprising:

(a) detecting a first physical parameter and a second physical parameter of a component of the print system;

(b) utilizing the first physical parameter and the second physical parameter to generate a physical parameter variation rate; and

(c) adjusting an operation of the print system according to the physical parameter variation rate.

15. The method of claim 14, wherein the step (a) is detecting the first physical parameter at a first timing and detecting the second physical parameter at a second timing, and the step (b) is transforming the first physical parameter into a first transformation data, transforming the second physical parameter into a second transformation data, and utilizing a difference between the second timing and the first timing to divide another difference between the second transformation data and the first transformation data in order to generate the physical parameter variation rate.

16. The method of claim 14, wherein step (c) further comprises:

providing a normal physical parameter variation rate; and

adjusting the operation of the print system according to the comparison result between the physical parameter variation rate and the normal physical parameter variation rate.

17. The method of claim 16, wherein the step (c) further comprises:

if the physical parameter variation rate does not belong to a range of the normal physical parameter variation rate, stopping the operation of the print system.

18. The method of claim 17 further comprising:

displaying a message to show that the operation of the print system is stopped.

19. The method of claim 16, wherein the step (c) further comprises:

if the physical parameter variation rate belongs to a range of the normal physical parameter variation rate, continuing the operation of the print system.

20. The method of claim 14 further comprising:

selecting a component of the print system, wherein the component is utilized to calculate the physical parameter variation rate.

21. The method of claim 14 further comprising:

adjusting the operation of the print system according to the first physical parameter or the second physical parameter.

22. The method of claim 14, wherein the first physical parameter and the second physical parameter are both temperatures.

23. The method of claim 14, wherein the first physical parameter and the second physical parameter are both voltages.

24. The method of claim 14, wherein the first physical parameter and the second physical parameter are both currents.