Method and apparatus for controlling performance of electronic device

• US 9,971,721 B2
• Filed: 08/12/2015
• Issued: 05/15/2018
• Est. Priority Date: 08/12/2014
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd. (Samsung Group)
• Original Assignee: Samsung Electronics Co. Ltd. (Samsung Group)
• Inventors: Cho, Ilhyun, Kwon, Soonwan, Kim, Kibeom, Kim, Rakie
• Primary Examiner(s): Earles, Bryan
• Application Number:
  US14/824,476
• Publication Number:
  US 20160048190A1
• Time in Patent Office: 1,007 Days
• Field of Search: 713300-323
• CPC Class Codes: G06F 1/3215 Monitoring of peripheral devices
• CPC Class Codes: G06F 1/324 by lowering clock frequency
• CPC Class Codes: G06F 1/3243 Power saving in microcontroller unit
• CPC Class Codes: G06F 1/3296 by lowering the supply or operating voltage
• CPC Class Codes: G06F 13/4022 using switching circuits, e.g. switching matrix, connection or expansion network G06F13/4009 takes precedence
• CPC Class Codes: G06F 3/023 Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
• CPC Class Codes: G06F 3/04886 by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

A method for controlling performance of an electronic device is provided. The method includes sensing user input, predicting user input speed, and controlling at least one processing unit of the electronic device based on a predicted user input speed and performance assignment information. Here, the performance assignment information includes control information mapped respectively with user input speeds for controlling the at least one processing unit of the electronic device.

Claims

1. An electronic device capable of controlling at least one processing unit, the electronic device comprising:

a transceiver;

an input unit configured to sense user input; and

a controller configured to;

identify user input speed based on a result of sensing the user input,

determine control information corresponding to the user input speed to control the at least one processing unit from performance information, the performance information including at least one control information mapped respectively with each user input speed, and

control the at least one processing unit to operate based on the control information,

wherein the performance information includes at least one of central processing unit (CPU) clock information, voltage information, bus clock information, or switch type information, and

wherein a number of the at least one processing unit to be controlled is determined based on the control information and a remaining battery charge amount.

2. The electronic device of claim 1, wherein, when a text input window is activated, the controller is configured to detect reception of the user input.

3. The electronic device of claim 1, wherein the controller is configured to identify the user input speed based on at least one of collected user input information or current user input information.

4. The electronic device of claim 3, wherein the controller is configured to identify the user input speed by computing individual input speeds using the at least one of the collected user input information or the current user input information and averaging the computed input speeds.

5. The electronic device of claim 4, wherein the controller is configured to compute an input speed by dividing the number of characters forming a text string by a corresponding input time.

6. The electronic device of claim 1, wherein the controller is configured to control performance of an application processor (AP) of the electronic device.

7. The electronic device of claim 6, wherein the AP comprises at least one CPU and at least one graphics processing unit (GPU).

8. The electronic device of claim 6, wherein the controller is configured to control AP performance by controlling at least one of CPU clock rate, voltage, bus clock rate, or a switch type.

9. An electronic device capable of controlling at least one processing unit, the electronic device comprising:

a transceiver;

an input unit configured to sense user input; and

a controller configured to;

collect user input information based on a result of sensing the user input,

identify user input speed based on the collected user input information,

determine control information corresponding to the user input speed to control the at least one processing unit from performance information, the performance information including at least one control information mapped respectively with each user input speed, and

control the at least one processing unit to operate based on the control information,

wherein the performance information includes at least one of central processing unit (CPU) clock information, voltage information, bus clock information, or switch type information, and

wherein a number of the at least one processing unit to be controlled is determined based on the control information and a remaining battery charge amount.

10. A method for controlling performance of an electronic device, the method comprising:

sensing user input;

identifying user input speed based on a result of sensing the user input;

determining control information corresponding to the user input speed to control the at least one processing unit from performance information, the performance information including at least one control information mapped respectively with each user input speed; and

controlling the at least one processing unit to operate based on the control information,

wherein the performance information includes at least one of central processing unit (CPU) clock information, voltage information, bus clock information, or switch type information, and

wherein a number of the at least one processing unit to be controlled is determined based on the control information and a remaining battery charge amount.

11. The method of claim 10, wherein the sensing of the user input comprises detecting the user input when a text input window is activated.

12. The method of claim 10, wherein the identifying of the user input speed comprises identifying the user input speed based on at least one of collected user input information or current user input information.

13. The method of claim 12, wherein the identifying of the user input speed comprises:

computing individual input speeds using the at least one of the collected user input information or the current user input information; and

averaging the computed input speeds.

14. The method of claim 13, wherein an input speed is computed by dividing the number of characters forming a text string by a corresponding input time.

15. The method of claim 10, wherein the controlling of the at least one processing unit comprises controlling performance of an application processor (AP) of the electronic device.

16. The method of claim 15, wherein the AP comprises at least one CPU and at least one graphics processing unit (GPU).

17. The method of claim 15, wherein the controlling of AP performance comprises controlling at least one of CPU clock rate, voltage, bus clock rate, or a switch type.

18. At least one non-transitory processor readable medium for storing a computer program of instructions configured to be readable by at least one processor for instructing the at least one processor to execute a computer process for performing the method as recited in claim 10.

19. A method for controlling performance of an electronic device, the method comprising:

sensing user input;

collecting user input information based on a sensing result of sensing the user input;

identifying user input speed based on the collected user input information;

determining control information corresponding to the user input speed to control the at least one processing unit from performance information, the performance information including at least one control information mapped respectively with each user input speed; and

controlling the at least one processing unit to operate based on the performance information,

wherein the performance information includes at least one of central processing unit (CPU) clock information, voltage information, bus clock information, or switch type information, and

wherein a number of the at least one processing unit to be controlled is determined based on the control information and a remaining battery charge amount.

20. At least one non-transitory processor readable medium for storing a computer program of instructions configured to be readable by at least one processor for instructing the at least one processor to execute a computer process for performing the method as recited in claim 19.