SENSING SYSTEM

• US 20100033440A1
• Filed: 07/30/2009
• Published: 02/11/2010
• Est. Priority Date: 08/05/2008
• Status: Active Grant

• Current Assignee: Apex Material Technology Corp., Salt International Corp.
• Original Assignee: Apex Material Technology Corp., Salt International Corp.
• Inventors: TAI, Wei-Jen, CHAO, Su-Hwa, LEE, Shang-Li
• Granted Patent: US 8,395,592 B2
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 3/045 using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact

Abstract

A sensing system is provided in the present application. The sensing system includes a plurality of input areas, by each of which an input is received and an input signal is generated; and a processing device electrically coupled with the each of the plurality of input areas and performing a validation criterion for determining a means processing the input signal.

Claims

1. A sensing system, comprising:

a plurality of input areas, each of which receives an input and generates an input signal; and

a processing device electrically coupled with the plurality of input areas and executing a validation criterion determining a mode processing the input signal.

2. The sensing system according to claim 1, wherein the processing device distinguishes the respective input signal coming from a specific one of the plurality of input areas from the respective input signals.

3. The sensing system according to claim 1, further comprising:

a first layer having a first conductive layer;

a second layer having a second conductive layer positioned oppositely toward the first conductive layer and is divided into the plurality of input areas insulated from one another wherein at least one of the plurality of input areas has a signal line; and

a plurality of spacers sandwiched between the first conductive layer and the second conductive layer.

4. The sensing system according to claim 3, further comprising:

a glass layer located above the second layer.

5. The sensing system according to claim 4, wherein the glass layer is located above the second layer by an optical adhesive being an optical clear adhesive.

6. The sensing system according to claim 3, further comprising:

a polarizer disposed on one side of the second phase shift layer.

7. The sensing system according to claim 6, further comprising:

a first phase shift layer disposed on one side of the first layer; and

a second phase shift layer disposed on another side of the second layer.

8. The sensing system according to claim 1, wherein the input is a touch-based input and the input signal is a voltage signal.

9. The sensing system according to claim 1, wherein the processing device further comprises a multiplexer having a plurality of input ends, a selecting end and an output end and electrically coupled with the plurality of input areas via the plurality of input ends, for receiving the respective input signals, and receiving a selecting signal via the selecting end for selectively outputting an analog signal accordingly.

10. The sensing system according to claim 9, wherein the processing device further comprises an analog to digital converter electrically coupled with the output end of the multiplexer, receiving the analog signal and transforming the analog signal into a digital signal.

11. The sensing system according to claim 10, wherein the processing device further comprises a micro control unit electrically coupled with the analog to digital converter, generating the selecting signal, performing the validation criterion and processing the digital signal with a first mode while the validation criterion is positive and processing the digital signal with a second mode while the validation criterion is negative.

12. The sensing system according to claim 11, wherein the processing device further comprises a host end electrically coupled with the micro control unit.

13. The sensing system according to claim 9, wherein the plurality of input ends have a total number being one selected from a group consisting of being more than, equal to and less than a total number of the plurality of input areas.

14. The sensing system according to claim 1, wherein the plurality of input areas have respective shapes having a state being one selected from a group consisting of being exactly the same as one another, totally different from one another and partly the same as one another.

15. The sensing system according to claim 1 being one selected from a group consisting of a resistive touch panel, a transparent touch panel, a non-transparent touch panel and a semi-transparent touch panel.

16. A sensing system, comprising:

a processing device electrically coupled with a plurality of input areas, receiving an input signal from each of the plurality of input areas and performing a validation criterion determining a mode processing the input signal.

17. The sensing system according to claim 16, wherein the processing device distinguishes the respective input signal coming from a specific one of the plurality of input areas from the respective input signals.

18. A signal processing method for a sensing system having a plurality of areas, comprising steps of:

receiving at least one input signal from the plurality of areas;

performing a validation criterion determining a mode processing the at least one input signal; and

processing the at least one input signal with a first mode while the validation criterion is positive and processing the at least one input signal with a second mode while the validation criterion is negative.

19. The signal processing method according to claim 18, further comprising steps of:

performing a judging criterion determining whether the input signal is received; and

receiving the input signal while the judging criterion is positive and ceasing to receive the input signal while the judging criterion is negative.

20. The signal processing method according to claim 18, further comprising a step of distinguishing the respective input signals from one another.

21. The signal processing method according to claim 19, wherein the judging criterion further comprises steps of:

determining whether a corresponding area of the input signal is one of an active area and non-active area; and

determining the judging criterion as positive if the corresponding area is the active area and determining the judging criterion as negative if the corresponding area is the non-active area.