METHOD AND APPARATUS FOR POWER MANAGEMENT

• US 20130339764A1
• Filed: 06/19/2012
• Published: 12/19/2013
• Est. Priority Date: 06/19/2012
• Status: Active Grant

• Current Assignee: Getac Technology Company Limited (MiTAC Holdings Corp.)
• Original Assignee: Getac Technology Company Limited (MiTAC Holdings Corp.)
• Inventors: Chang, Chin-Jung, Lee, Yun-Hsien
• Granted Patent: US 9,043,619 B2
• Time in Patent Office: Days
• US Class Current: 713/300
• CPC Class Codes: G06F 1/3206 Monitoring of events, devices or parameters that trigger a change in power modality
• CPC Class Codes: G06F 1/325 Power saving in peripheral device
• CPC Class Codes: G06F 1/3287 by switching off individual functional units in the computer system
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

The disclosure discloses a power management method, for setting a power supply arrangement of an electronic device intelligently, comprising providing at least two sensors, corresponding to at least one threshold respectively; detecting a state of the electronic device for generating a detecting signal respectively; comparing the at least two detecting signals with the at least one threshold corresponding to the at least two sensors respectively; generating at least two situation signals when the at least two detecting signals meet the at least one threshold corresponding to the at least two sensors respectively; looking up a look-up table according to the at least two detecting signals for generating a control command; and writing in at least one independent bit of a register according to the control command for changing or maintaining a power supply arrangement of at least one peripheral component.

Claims

1. A power management method, for setting a power supply arrangement of an electronic device intelligently, comprising:

providing at least two sensors corresponding to at least one threshold respectively;

detecting a state of the electronic device for generating a detecting signal respectively;

comparing the at least two detecting signals with the at least one threshold corresponding to the at least two sensors respectively;

generating at least two situation signals when the at least two detecting signals meet the at least one threshold corresponding to the at least two sensors respectively;

looking up a look-up table according to the at least two detecting signals for generating a control command; and

writing in at least one independent bit of a register according to the control command for changing or maintaining a power supply arrangement of at least one peripheral component.

2. The power management method according to claim 1, wherein the step of writing in the at least one independent bit of the register according to the control command for changing or maintaining the power supply arrangement of the at least one peripheral component comprises:

sending a reminding signal according to the control command; and

receiving a confirming message for changing or maintaining the at least one independent bit and changing or maintaining the power supply arrangement of the at least one peripheral component according to the at least one independent bit.

3. The power management method according to claim 1, further comprises:

adjusting a brightness of a display module according to the control command.

4. The power management method according to claim 1, further comprises:

adjusting a frequency of a processor according to the control command.

5. The power management method according to claim 1, further comprises:

writing in the at least one independent bit according to a user command; and

changing or maintaining the power supply arrangement of the at least one peripheral component according to the at least one independent bit and ignoring the control command.

6. The power management method according to claim 5, further comprises:

generating a counting value according to a time parameter and a number of times of writing in the at least one independent bit in response to the user command; and

comparing the counting value with a number-of-times threshold; and

writing in a time-situation mode of the look-up table when the counting value is greater than the number-of-times threshold;

wherein the step of writing in the at least one independent bit of the register according to the control command for changing or maintaining the power supply arrangement of the at least one peripheral component further comprises;

determining whether the time-situation mode of the look-up table meets the control command and the time parameter; and

changing or maintaining the power supply arrangement of the at least one peripheral component according to the time-situation mode.

7. The power management method according to claim 1, further comprises:

changing a setting of a situation mode of the look-up table according to a user command; and

generating the control command when the at least two situation signals meet the situation mode of the look-up table.

8. The power management method according to claim 1, wherein the step of looking up the look-up table according to the at least two detecting signals for generating the control command comprises:

generating the control command when the at least two situation signals meet a situation mode of the look-up table.

9. An electronic device having at least two sensors, wherein the at least two sensors are used for detecting a state and generating at least two detecting signals, the electronic device comprises:

at least one peripheral component; and

a control module, electrically connected to the at least one peripheral component and the at least two sensors, wherein the control module comprises a register, the control module is used for receiving the at least two detecting signals and looking up a look-up table according to the at least two detecting signals to generate a control command, and the control module writes in the register according to the control command for changing or maintaining a power supply arrangement of the at least one peripheral component.

10. The electronic device having the at least two sensors according to claim 9, further comprises a display module and a processor, wherein the control module adjusts a brightness of the display module and a frequency of the processor according to the control command.

11. The electronic device having the at least two sensors according to claim 9, wherein the power supply arrangement of the at least one peripheral component corresponds to at least one independent bit of the register respectively.

12. The electronic device having the at least two sensors according to claim 9, wherein the control module compares the at least two detecting signals with at least one threshold corresponding to the at least two sensors respectively, when the at least two detecting signals meet the at least one threshold corresponding to the at least two sensors respectively, the control module generates at least two situation signals, and the control module generates the control command according to the look-up table looked up by the at least two detecting signals.

13. The electronic device having the at least two sensors according to claim 12, wherein the look-up table comprises a plurality of situation modes, the situation modes correspond to each combination of the at least two situation signals and the power supply arrangement of the at least one peripheral component respectively, and the look-up table is saved in the electronic device in advance.

14. The electronic device having at least two sensors according to claim 13, wherein when the at least two detecting signals is changed and meet other situation mode of the look-up table, the control module adjusts the power supply arrangement of the at least one peripheral component according to the other situation mode.

15. The electronic device having the at least two sensors according to claim 9, wherein when the electronic device receives a user command for changing the power supply arrangement of the at least one peripheral component, the control module directly changes the power supply arrangement of the at least one peripheral component according to the user command and ignores the control command.

16. The electronic device having the at least two sensors according to claim 9, wherein the at least one peripheral component comprises a web camera module, an internal local area network, a wireless local area network, a touch panel module, a heat dissipation module, a processor frequency control module, an audio module, an audio input module, a Bluetooth®

module and an interface connector.

17. An electronic device having at least one sensor, wherein the at least one sensor is used for detecting a state and generating at least one detecting signal, the electronic device comprises:

at least one peripheral component; and

a control module, electrically connected to the at least one peripheral component and the at least one sensor, wherein the control module comprises a register, the control module is used for receiving the at least one detecting signal and looking up a look-up table according to the at least one detecting signal to generate a control command, and the control module writes in the register according to the control command for changing or maintaining a power supply arrangement of the at least one peripheral component.

18. The electronic device having the at least two sensors according to claim 17, further comprises a display module and a processor, wherein the control module adjusts a brightness of the display module and a frequency of the processor according to the control command.

19. The electronic device having the at least two sensors according to claim 17, wherein the power supply arrangement of the at least one peripheral component corresponds to at least one independent bit of the register respectively.

20. The electronic device having the at least two sensors according to claim 17, wherein when the electronic device receives a user command for changing the power supply arrangement of the at least one peripheral component, the control module directly changes the power supply arrangement of the at least one peripheral component according to the user command and ignores the control command.