TW201305797A - Method for managing power in a portable device - Google Patents

Abstract

Historical usage status of each hardware device in a portable device is acquired for determining the usage rate of each hardware device. The power supplied to hardware devices with high usage rate is maintained, the power supplied to hardware devices with medium usage rate is lowered, and the power supplied to hardware devices with low usage rate is completely shut off.

Description

Power management method for portable device

The present invention relates to a power management method for a portable device, and more particularly to a power management method for a portable device that conforms to user habits.

With the development of technology, the functions of portable devices such as smart phones, notebook computers, and personal digital assistants (PDAs) are becoming more and more diverse. Portable devices can execute different applications through their built-in hardware modules, providing functions such as calling, surfing, photography, photography, video playback or global positioning.

The biggest appeal of portable devices is that they are easy to carry, but their power supply is limited. For the power management of all hardware components in the portable device when not in use, the prior art will pre-plan to completely shut down or enter the power-saving mode, instead of flexibly dynamically managing the power according to user habits. .

The invention provides a power management method for a portable device, which comprises detecting a historical use condition of a hardware component in a portable device; determining a degree of use of the one of the hardware components according to the historical use condition; The power supply to the hardware component is adjusted according to the degree of use.

The invention utilizes the system end (OS) of the portable device to detect the historical use condition of each hardware component, and automatically provides an optimal power control environment conforming to the current user habit after obtaining the habit of the current user.

1 is a flow chart of a power management method of a portable device according to the present invention, which includes the following steps:

Step 110: Detect a historical usage status of a specific hardware component in a portable device.

Step 120: Determine the degree of use of the specific hardware component according to the historical usage status.

Step 130: Determine whether the data needs to be updated: if yes, go to step 110; if no, go to step 140.

Step 140: Automatically adjust the power supply to the specific hardware component according to the degree of use of the specific hardware component.

In step 110, the specific hardware component may be a global positioning system (GPS) device, a Bluetooth device, a wireless fidelity (WiFi) device, or a first device in the portable device. High-power components such as third generation (3G) devices. The invention can detect the number and time of each hardware component in the portable device being turned on within a predetermined period of time, thereby obtaining a historical use condition corresponding to each hardware component.

In step 120, the present invention can determine the degree of use of the particular hardware component based on the historical usage of the particular hardware component. For example, if the particular hardware component is often turned on or turned on for a predetermined period of time, the current user may determine that the particular hardware component is a heavy-duty hardware component; The hard component is rarely turned on or turned on for a predetermined period of time. For the current user, the specific hardware component can be judged as a mild use of the hardware component; between the above two conditions This particular hardware component can then be determined to be a moderately used hardware component.

In step 130, the present invention can determine if the data needs to be updated, such as periodically jumping back to step 110. In this way, if the user changes the habit or the portable device transfers to another person, the step 130 can update the historical usage status of the specific hardware component, so that the degree of use determined in step 120 can conform to the current usage habit of the current user.

When the portable device is in operation, the operation mode of each hardware component is roughly classified into a normal mode, a power saving mode, and a shutdown mode. In the normal mode, the preset power supply is provided, so that the hardware components are in normal working state at any time, and the power consumption is the most. In shutdown mode, the power supply is completely turned off and no power is consumed at this time, but a wake-up time is required to restart to return to normal operation. According to different system or manufacturer definitions, the power saving mode can have different names such as standby, hibernation or sleep mode, but the principle is to provide only the minimum supply power required to save data, so the power consumption mode saves less power than the normal mode. The wake-up time required to restart is shorter than the shutdown mode.

In step 140, the present invention automatically adjusts the power supply to the particular hardware component based on the degree of use of the particular hardware component. For example, if it is determined in step 120 that the hardware component is heavily used, the current user will often use the particular hardware component, and the present invention will perform step 140A to enter the normal mode; if in step 120 It is determined that the hardware component is used moderately, and the current user occasionally uses the specific hardware component. At this time, the present invention performs step 140B to enter the power saving mode; if it is determined in step 120 that the hardware component is lightly used On behalf of the current user, this particular hardware component is rarely used, and the present invention will perform step 140C to enter the shutdown mode.

According to the historical use situation, the user has a high probability of using heavy hardware components. Therefore, the present invention maintains the power supply to the heavy-duty hardware components in step 140A, so that it can be in a normal working state at any time, so no need for any The wake-up time can respond to instructions from the user.

Depending on the historical usage, the user has a moderate chance of using medium hardware components. Therefore, the present invention reduces the power supply to the medium-use hardware components in step 140B to achieve partial power saving and shorten the wake-up time. At the same time, both power saving and system efficiency are considered.

Depending on the historical usage, the user's chances of using the hardware component lightly are low, so the present invention completely turns off the power supply to the lightly used hardware component in step 140C to achieve the best power saving effect even if received. A few reboot instructions, the extra wake-up time does not significantly affect the performance of the portable device.

The invention can automatically adjust the corresponding power supply according to the historical usage condition of each hardware component in a portable device, and periodically update the historical usage status, thereby providing the optimal power control according to the current user's recent habits. surroundings.

The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.

110~140. . . step

FIG. 1 is a flow chart of a power management method of a portable device according to the present invention.

110~140. . . step

Claims (7)

A power management method for a portable device, comprising: detecting a historical use condition of a hardware component in a portable device; determining a degree of use of the one of the hardware components according to the historical use condition; The degree of use adjusts the power supplied to the hardware component. The method of claim 1, wherein detecting the historical usage status comprises detecting a number or time of the hardware component being turned on within a predetermined period of time. The method of claim 2, wherein determining the degree of use comprises: if the number of times the hardware component is turned on during the predetermined period is greater than a first predetermined number of times or the time that is turned on is greater than a first predetermined time, The hardware component is determined to be a heavy-duty hardware component; if the number of times the hardware component is turned on within the predetermined period is less than a second predetermined number of times or the time of being turned on is less than a second predetermined time, the hardware component is Determining that the hardware component is lightly used; and if the number of times the hardware component is turned on during the predetermined period is between the first and second predetermined times or the time of being turned on, the first and second predetermined Between time, the hardware component is determined to be a moderately used hardware component; wherein the first predetermined number of times is greater than the second predetermined number of times, and the first predetermined time is greater than the second predetermined time. The method of claim 3, wherein: when the hardware component is determined to be the heavy-duty hardware component, the power supply to the hardware component is maintained. The method of claim 3, wherein: when the hardware component is determined to be the medium-use hardware component, the power supply to the hardware component is reduced. The method of claim 3, wherein when the hardware component is determined to be the lightly used hardware component, the power supply to the hardware component is stopped. The method of claim 1, further comprising: periodically updating the historical usage status.