IP Library › Granted Patent US 12706993
Granted Patent B2
US 12706993 · App. 18/279,535 · Granted Aug 11, 2026

Power management method, terminal, and storage medium

Inventors: Chunhui Ye (Shenzhen, CN); Liang Liu (Shenzhen, CN); Cheng Jiang (Shenzhen, CN)
Assignee: HONOR DEVICE CO., LTD.
H04M1/0243H04M1/0214H04W52/28H04M2250/12H04M2250/16
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Quick Facts
Patent No.
US 12706993
App. No.
18/279,535
Granted
Aug 11, 2026
Kind
B2
Abstract

The implementation of this application provides a power management method, a terminal. The method includes: obtaining a configuration change signal of a terminal device in response to a configuration change of the terminal device; obtaining an output power level truth table of the terminal device based on the configuration change signal of the terminal device, where the output power level truth table includes a configuration of the terminal device and a power level and a fallback power of the terminal device in the configuration; obtaining the power level and the fallback power of the terminal device based on the output power level truth table; setting an output power of the terminal device based on the fallback power of the terminal device, and outputting a corresponding power value based on the power level.

Claims (84)

1 . A method, applied to a foldable terminal device, the method comprising:

obtaining a configuration change signal of the foldable terminal device in response to a configuration change of the foldable terminal device;

obtaining an output power level truth table of the foldable terminal device based on the configuration change signal of the foldable terminal device, wherein the output power level truth table comprises a configuration of the foldable terminal device and a power level and a fallback power of the foldable terminal device in the configuration;

obtaining the power level and the fallback power of the foldable terminal device based on the output power level truth table;

setting an output power of the foldable terminal device based on the fallback power of the foldable terminal device, wherein the output power is a maximum power that meets regulatory requirements in a current configuration; and

outputting a corresponding power value based on the power level.

2 . The method according to claim 1 , wherein the corresponding power value is a difference between a power spectral density and an antenna gain of the foldable terminal device.

3 . The method according to claim 1 , wherein the obtaining a configuration change signal of the foldable terminal device in response to a configuration change of the foldable terminal device comprises:

obtaining a state of a foldable sensor configured to sense the foldable terminal device;

determining, based on the state of the sensor, whether the configuration of the foldable terminal device changes;

obtaining the configuration of the foldable terminal device when it is determined that the configuration of the foldable terminal device changes; and

generating the configuration change signal.

4 . The method according to claim 3 , the method further comprising:

detecting whether the foldable terminal device is in a power-on state; and

obtaining the state of the sensor when the foldable terminal device is in the power-on state.

5 . The method according to claim 3 , wherein the obtaining the power level of the foldable terminal device based on the configuration change signal of the foldable terminal device comprises:

obtaining the current configuration of the foldable terminal device and a maximum power supported by the foldable terminal device; and

performing fallback on the maximum power supported by the foldable terminal device based on the fallback power, so that the output power of the foldable terminal device reaches the maximum power that meets the regulatory requirements.

6 . A method, applied to a foldable terminal device, the method comprising:

obtaining an angle of the foldable terminal device in response to an angle change between a main screen and a secondary screen of the foldable terminal device, and matching the angle of the foldable terminal device to an angle interval;

obtaining an output power level truth table of the foldable terminal device based on the angle interval of the foldable terminal device, wherein the output power level truth table comprises the angle interval of the foldable terminal device and a power level and a fallback power of the foldable terminal device when the foldable terminal device is in the angle interval;

obtaining the power level and the fallback power of the foldable terminal device based on the output power level truth table;

setting an output power of the foldable terminal device based on the fallback power of the foldable terminal device, wherein the output power is a maximum power that meets regulatory requirements in a current configuration; and

outputting a corresponding power value based on the power level of the foldable terminal device.

7 . The method according to claim 6 , wherein the angle interval comprises at least three intervals, and the matching the angle of the foldable terminal device to an angle interval comprises:

determining whether the angle of the foldable terminal device is in a first interval;

matching the output power level truth table based on the first interval when the angle of the foldable terminal device is in the first interval;

further determining whether the angle of the foldable terminal device is in a second interval when the angle of the foldable terminal device is not in the first interval;

matching the output power level truth table based on the second interval when the angle of the foldable terminal device is in the second interval;

further determining whether the angle of the foldable terminal device is in a third interval when the angle of the foldable terminal device is not in the second interval; and

matching the output power level truth table based on the third interval when the angle of the foldable terminal device is in the third interval.

8 . The method according to claim 6 , wherein the corresponding power value is a difference between a power spectral density and an antenna gain of the foldable terminal device.

9 . The method according to claim 6 , the method further comprising:

detecting whether the foldable terminal device is in a power-on state; and

obtaining the angle interval of the foldable terminal device when the foldable terminal device is in the power-on state.

10 . The method according to claim 6 , wherein the obtaining an angle interval of the foldable terminal device in response to an angle change between a main screen and a secondary screen of the foldable terminal device comprises:

obtaining acceleration and gravity of the main screen and the secondary screen of the foldable terminal device;

establishing a Cartesian coordinate system based on the acceleration and the gravity of the main screen and the secondary screen of the foldable terminal device;

obtaining an angle between the main screen and the secondary screen of the foldable terminal device based on the Cartesian coordinate system; and

generating an angle change signal when the angle between the main screen and the secondary screen of the foldable terminal device changes.

11 . The method according to claim 10 , wherein the obtaining the power level of the foldable terminal device based on the angle interval of the foldable terminal device comprises:

obtaining a current angle interval of the foldable terminal device and a maximum power supported by the foldable terminal device; and

performing fallback on the maximum power supported by the foldable terminal device based on the fallback power, so that the output power of the foldable terminal device reaches the maximum power that meets the regulatory requirements.

12 . A foldable terminal device, comprising one or more processors, coupled to one or more sensors, wherein:

the one or more sensors are configured to obtain a configuration change of the foldable terminal device;

the one or more processors are configured to, based on a configuration change signal of the foldable terminal device obtained by the one or more sensors, enable the foldable terminal device to perform operations comprising:

obtaining a configuration change signal of the foldable terminal device in response to the configuration change of the foldable terminal device;

obtaining an output power level truth table of the foldable terminal device based on the configuration change signal of the foldable terminal device, wherein the output power level truth table comprises a configuration of the foldable terminal device and a power level and a fallback power of the foldable terminal device in the configuration;

obtaining the power level and the fallback power of the foldable terminal device based on the output power level truth table;

setting an output power of the foldable terminal device based on the fallback power of the foldable terminal device, wherein the output power is a maximum power that meets regulatory requirements in a current configuration; and

outputting a corresponding power value based on the power level.

13 . The foldable terminal device according to claim 12 , wherein the corresponding power value is a difference between a power spectral density and an antenna gain of the foldable terminal device.

14 . The foldable terminal device according to claim 12 , wherein the obtaining a configuration change signal of a foldable terminal device in response to a configuration change of the foldable terminal device comprises:

obtaining a state of a foldable sensor configured to sense the foldable terminal device;

determining, based on the state of the sensor, whether the configuration of the foldable terminal device changes;

obtaining the configuration of the foldable terminal device when it is determined that the configuration of the foldable terminal device changes; and

generating the configuration change signal.

15 . The foldable terminal device according to claim 14 , wherein the obtaining the power level of the foldable terminal device based on the configuration change signal of the foldable terminal device comprises:

obtaining the current configuration of the foldable terminal device and a maximum power supported by the foldable terminal device; and

performing fallback on the maximum power supported by the foldable terminal device based on the fallback power, so that the output power of the foldable terminal device reaches the maximum power that meets the regulatory requirements.

16 . A foldable terminal device, comprising one or more processors, coupled to one or more sensors, wherein:

the one or more sensors are configured to obtain an angle of the foldable terminal device;

the one or more processors are configured to, based on an angle interval of the foldable terminal device obtained by the one or more sensors, enable the foldable terminal device to perform operations comprising:

obtaining an angle of the foldable terminal device in response to an angle change between a main screen and a secondary screen of the foldable terminal device, and matching the angle of the foldable terminal device to an angle interval;

obtaining an output power level truth table of the foldable terminal device based on the angle interval of the foldable terminal device, wherein the output power level truth table comprises the angle interval of the foldable terminal device and a power level and a fallback power of the foldable terminal device when the foldable terminal device is in the angle interval;

obtaining the power level and the fallback power of the foldable terminal device based on the output power level truth table;

setting an output power of the foldable terminal device based on the fallback power of the foldable terminal device, wherein the output power is a maximum power that meets regulatory requirements in a current configuration; and

outputting a corresponding power value based on the power level of the foldable terminal device.

17 . The foldable terminal device according to claim 16 , wherein the angle interval comprises at least three intervals, and the matching the angle of the foldable terminal device to an angle interval comprises:

determining whether the angle of the foldable terminal device is in a first interval;

matching the output power level truth table based on the first interval when the angle of the foldable terminal device is in the first interval;

determining whether the angle of the foldable terminal device is in a second interval when the angle of the foldable terminal device is not in the first interval;

matching the output power level truth table based on the second interval when the angle of the foldable terminal device is in the second interval;

determining whether the angle of the foldable terminal device is in a third interval when the angle of the foldable terminal device is not in the second interval; and

matching the output power level truth table based on the third interval when the angle of the foldable terminal device is in the third interval.

18 . The foldable terminal device according to claim 16 , wherein the corresponding power value is a difference between a power spectral density and an antenna gain of the foldable terminal device.

19 . The foldable terminal device according to claim 16 , wherein the obtaining an angle interval of the foldable terminal device in response to an angle change between a main screen and a secondary screen of the foldable terminal device comprises:

obtaining acceleration and gravity of the main screen and the secondary screen of the foldable terminal device;

establishing a Cartesian coordinate system based on the acceleration and the gravity of the main screen and the secondary screen of the foldable terminal device;

obtaining an angle between the main screen and the secondary screen of the foldable terminal device based on the Cartesian coordinate system; and

generating an angle change signal when the angle between the main screen and the secondary screen of the foldable terminal device changes.

20 . The foldable terminal device according to claim 19 , wherein the obtaining the power level of the foldable terminal device based on the angle interval of the foldable terminal device comprises:

obtaining a current angle interval of the foldable terminal device and a maximum power supported by the foldable terminal device; and

performing fallback on the maximum power supported by the foldable terminal device based on the fallback power, so that the output power of the foldable terminal device reaches the maximum power that meets the regulatory requirements.