Electronic devices with preselected operational characteristics, and associated methods

• US 8,797,272 B2
• Filed: 04/10/2008
• Issued: 08/05/2014
• Est. Priority Date: 05/15/2007
• Status: Active Grant

• Current Assignee: HTC Corporation
• Original Assignee: Chih-Feng Hsu, John C. Wang, Yih-Feng Kao
• Inventors: Hsu, Chih-Feng, Kao, Yih-Feng, Wang, John C.
• Primary Examiner(s): Nguyen, Jimmy H
• Application Number:
  US12/082,646
• Publication Number:
  US 20080284743A1
• Time in Patent Office: 2,308 Days
• Field of Search: 345173-179, 178 1801- 1904
• US Class Current: 345/173
• CPC Class Codes: G06F 3/04166 Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally G06F3/04184
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures

Abstract

Electronic devices with preselected operational characteristics and associated methods are disclosed. The electronic devices can include a touch sensing component that senses a touch from an input mechanism and an input circuitry that measures at least one parameter of the touch from the touch sensing component. The electronic devices can also include a processor that performs an analysis of the measured at least one parameter of the detected touch and implements preselected operational characteristics of the electronic device based on the performed analysis.

Claims

1. An electronic device, comprising:

a touch sensing component that senses a touch from an input mechanism;

an input circuitry that periodically measures samples of a position of the sensed touch, a pressure of the sensed touch, a temperature of the sensed touch, or an image of the sensed touch from the touch sensing component;

a storage that stores each periodically measured sample of the parameter from the input circuitry; and

a processor configured to;

determine a number of stored periodically measured samples,

compare the number of stored periodically measured samples to a preset threshold value,

upon determining that the number of stored periodically measured samples is equal to or greater than the threshold value, perform an analysis of the stored periodically measured samples, and

implement preselected operational characteristics of the electronic device based on the performed analysis.

2. The electronic device of claim 1, wherein the storage stores instructions for performing the analysis of the periodically measured samples of the sensed position of the touch, the sensed pressure of the touch, the sensed temperature of the touch, or the sensed image of the touch and implementing preselected operational characteristics of the electronic device based on the performed analysis.

3. The electronic device of claim 2 wherein the instructions are at least partially incorporated into an operating system of the processor or the instructions are an independent application.

4. The electronic device of claim 1 wherein the touch sensing component includes a resistive touch screen, a capacitive touch screen, an infrared touch screen, a surface acoustic wave touch screen, a pressure sensor, or a temperature sensor.

5. The electronic device of claim 1 wherein the touch sensing component includes a capacitive touch screen having a plurality of sensor pads, and wherein the input circuitry is configured to measure a number of the sensor pads activated by the touch.

6. The electronic device of claim 1 wherein the processor, to perform the analysis of the stored periodically measured samples, calculates a distribution of the stored periodically measured samples, and implements at least one of:

a first user interface or a first function of the electronic device in response to determining that the distribution is greater than a threshold;

or

a second user interface or a second function of the electronic device in response to determining that the distribution is less than the threshold.

7. The electronic device of claim 1 wherein the input circuitry periodically measures samples of a position or a pressure of the touch, and wherein the processor calculates an absolute deviation or a standard deviation of the measured position or pressure.

8. The electronic device of claim 1 wherein the processor implements features in a user interface or functionality of the electronic device.

9. The electronic device of claim 1 wherein the electronic device is a PDA, a cellular phone, a laptop computer, a tablet PC, a smart phone, or a hand-held email device.

10. A method for operating an electronic device, comprising:

periodically measuring samples of a position of the detected touch, a pressure of the detected touch, a temperature of the detected touch, or an image of the detected touch from an input mechanism on a touch sensing component of the electronic device;

recording each periodically measured sample of the position of the detected touch, the pressure of the detected touch, the temperature of the detected touch, or the image of the detected touch in a storage component of the electronic device;

comparing a number of stored periodically measured samples in the storage component to a preset threshold;

upon determining that the number of stored periodically measured samples in the storage component is greater than or equal to the threshold, performing an analysis of the stored periodically measured samples; and

implementing preselected operational characteristics of the electronic device based on the performed analysis.

11. The method of claim 10 wherein performing an analysis includes performing an analysis using instructions that are at least partially incorporated into an operating system of a processor or are an independent application of the electronic device.

12. The method of claim 10 wherein performing an analysis includes calculating a distribution of the stored periodically measured samples.

13. The method of claim 10 wherein performing an analysis includes calculating a distribution of the recorded periodically measured samples, and wherein implementing operational characteristics includes implementing at least one of:

a first user interface or a first function of the electronic device in response to determining that the distribution is greater than a threshold;

or

a second user interface or a second function of the electronic device if the distribution is less than the threshold.

14. The method of claim 10 wherein periodically measuring samples of the position of the detected touch, the pressure of the detected touch, the temperature of the detected touch, or the image of the detected touch includes periodically sampling and storing a position and a pressure of the detected touch, and wherein performing an analysis includes calculating an absolute deviation of the measured position and pressure.

15. The method of claim 14 wherein the absolute deviation of the measured position and pressure are calculated as follows:

16. The method of claim 10 wherein periodically measuring samples of the position of the detected touch, the pressure of the detected touch, the temperature of the detected touch, or the image of the detected touch includes periodically sampling and recording a position and a pressure of the detected touch, and wherein performing an analysis includes calculating a standard deviation of the measured position and pressure.

17. The method of claim 16 wherein the standard deviation of the measured position and pressure are calculated as follows:

18. The method of claim 10 wherein periodically measuring samples of the position of the detected touch, the pressure of the detected touch, the temperature of the detected touch, or the image of the detected touch includes periodically measuring a number of sensor pads activated by the detected touch, and wherein performing an analysis includes comparing the measured number to a second threshold, and wherein implementing preselected operational characteristics includes implementing one of:

a first user interface or a first function of the electronic device if the measured number is greater than the second threshold;

or

implementing a second user interface or a second function of the electronic device if the measured number is less than the second threshold.

19. The method of claim 10 wherein implementing preselected operational characteristics includes implementing features in a user interface or functionality of the electronic device.

20. A non-transitory computer-readable medium containing instructions, which when executed by a processor, cause the processor to perform the method of claim 10.

21. A method for operating an electronic device, comprising:

detecting a touch from an input mechanism;

collecting a set of periodic measurements of a position of the detected touch, a pressure of the detected touch, a temperature of the detected touch, or an image of the detected touch;

comparing a quantity of measurements in the set of periodic measurements to a preset threshold number;

upon determining that the quantity of measurements in the set of periodic measurements has reached the preset threshold number, determining an attribute of the input mechanism based on the detected touch; and

implementing preselected operational characteristics of the electronic device based on the determined attribute of the input mechanism.

22. The method of claim 21 wherein determining an attribute of the input mechanism includes using instructions that are at least partially incorporated into an operating system of a processor or are an independent application of the electronic device.

23. The method of claim 21 wherein determining an attribute of the input mechanism includes calculating an absolute deviation or a standard deviation of the collected set of readings.

24. The method of claim 21 wherein determining an attribute of the input mechanism includes indicating whether the input mechanism is a pointing device or a finger of a user, and wherein implementing preselected operational characteristics includes implementing one of:

a first user interface in response to indicating that the input mechanism is the pointing device;

or

a second user interface in response to indicating that the input mechanism is the finger of the user.

25. The method of claim 21 wherein determining an attribute of the input mechanism includes:

measuring a number of sensor pads activated by the touch from the input mechanism; and

indicating that a kind of the input mechanism according to whether the measured number is greater or less than a threshold.

26. A non-transitory computer-readable medium containing instructions, which when executed by a processor, cause the processor to perform the method of claim 21.

27. A method for operating an electronic device, comprising:

detecting a touch from an input mechanism;

periodically collecting samples associated with the detected touch, wherein the samples include measurements of at least one of a position of the detected touch, a pressure of the detected touch, a temperature of the detected touch, and an optical image of the detected touch;

comparing a quantity of samples collected to a preset threshold number of samples;

determining that the quantity of samples collected exceeds the preset threshold number;

analyzing the collected samples;

determining whether the input mechanism is a pointing device or a finger of a user according to the analyzed set of readings;

implementing first preselected operational characteristics of the electronic device in response to determining that the input mechanism is the pointing device; and

implementing second preselected operational characteristics of the electronic device in response to determining that the input mechanism is the finger of the user, the first preselected operational characteristics being different from the second preselected operational characteristics.

28. The method of claim 27 wherein determining whether the input mechanism is a pointing device or a finger of a user includes determining whether the input mechanism is a pointing device or a finger of a user using instructions that are at least partially incorporated into an operating system of a processor or are an independent application of the electronic device.

29. The method of claim 27 wherein analyzing the collected samples includes calculating an absolute deviation of the collected samples, and wherein determining whether the input mechanism is a pointing device or a finger of a user includes indicating that the input mechanism is the pointing device if the absolute deviation is below a threshold and indicating that the input mechanism is the finger if the absolute deviation is above the threshold.

30. The method of claim 27 wherein determining whether the input mechanism is a pointing device or a finger of a user includes:

comparing a measured temperature to a temperature threshold;

indicating that the input mechanism is the finger if the measured temperature is greater than a temperature threshold; and

indicating that the input mechanism is the pointing device if the measured temperature is less than the temperature threshold.

31. The method of claim 27 wherein implementing first or second preselected operational characteristics includes implementing features in a user interface or functionality of the electronic device.

32. The method of claim 27 wherein periodically collecting samples associated with the detected touch includes collecting samples of a position and a pressure of the detected touch, and wherein analyzing the collected samples includes calculating an absolute deviation of the collected samples of the position and the pressure, and wherein determining whether the input mechanism is a pointing device or a finger of a user includes indicating that the input mechanism is the pointing device if the absolute deviation of both the position and the pressure is below a threshold and indicating that the input mechanism is the finger if the absolute deviation of both the position and the pressure is above the threshold.

33. A non-transitory computer-readable medium containing instructions, which when executed by a processor, cause the processor to perform the method of claim 27.