Location information adjustment method and system, and device

A location information adjustment method, applied to a first electronic device, and comprising:

• determining that a first trigger condition is satisfied, wherein the first trigger condition is for triggering detection of a relative location relationship between the first electronic device and a second electronic device;
• sending a first instruction, wherein the first instruction is for enabling a first sound wave transmitter to send a first sound wave signal;
• and sending a second instruction, wherein the second instruction is for enabling a second sound wave transmitter to send a second sound wave signal, wherein the first sound wave signal and the second sound wave signal have different amplitudes and/or frequencies, and wherein the first sound wave transmitter and the second sound wave transmitter are disposed in the first electronic device;
• receiving second location information sent by the second electronic device, wherein the second location information is for describing a left-right relative location relationship between the first electronic device and the second electronic device based on an angle from which a user watches a display screen of the second electronic device, and wherein the second location information is determined by the second electronic device based on a first receiving start moment, a second receiving start moment, and first location information, the first receiving start moment is a start moment when a first sound wave receiver receives the first sound wave signal, the second receiving start moment is a start moment when the first sound wave receiver receives the second sound wave signal, the first location information is for describing that the first sound wave transmitter is located on a left side of the second sound wave transmitter based on an angle from which the user watches the first electronic device, and the first sound wave receiver is disposed in the second electronic device;
• and
• updating third location information by using the second location information, wherein the third location information is for describing the left-right relative location relationship between the first electronic device and the second electronic device based on an angle from which the user watches a display screen of the first electronic device.

A location information adjustment method, applied to a second electronic device, and comprising:

• sending a third instruction, wherein the third instruction is for enabling a first sound wave receiver to receive a first sound wave signal and a second sound wave signal, and the first sound wave receiver is disposed in the second electronic device;
• the first sound wave signal is sent via a first sound wave transmitter after a first electronic device determines that a first trigger condition is satisfied, the second sound wave signal is sent via a second sound wave transmitter after the first electronic device determines that the first trigger condition is satisfied, and the first trigger condition is for triggering detection of a relative location relationship between the first electronic device and the second electronic device, wherein the first sound wave signal and the second sound wave signal have different amplitudes and/or frequencies, wherein the first sound wave transmitter and the second sound wave transmitter are disposed in the first electronic device, and wherein the first sound wave transmitter is located on a left side of the second sound wave transmitter based on an angle from which a user watches the first electronic device;
• calculating a first receiving start moment and a second receiving start moment, wherein the first receiving start moment is a start moment when the first sound wave receiver receives the first sound wave signal, and the second receiving start moment is a start moment when the first sound wave receiver receives the second sound wave signal;
• obtaining first location information, and determining second location information based on the first receiving start moment, the second receiving start moment, and the first location information, wherein the first location information is for describing that the first sound wave transmitter is located on the left side of the second sound wave transmitter based on the angle from which the user watches the first electronic device, and wherein the second location information is for describing a left-right relative location relationship between the first electronic device and the second electronic device based on an angle from which the user watches a display screen of the second electronic device;
• and
• sending the second location information to the first electronic device, wherein the second location information is for indicating the first electronic device to update third location information by using the second location information, and wherein the third location information is for describing the left-right relative location relationship between the first electronic device and the second electronic device based on an angle from which the user watches a display screen of the first electronic device.

A first electronic device, comprising:

• a first sound wave transmitter, a second sound wave transmitter, a receiver, and a processor, wherein the processor is configured to perform operations comprising:
• determining that a first trigger condition is satisfied, wherein the first trigger condition is for triggering detection of a relative location relationship between the first electronic device and a second electronic device;
• sending a first instruction, wherein the first instruction is for enabling the first sound wave transmitter to send a first sound wave signal;
• sending a second instruction, wherein the second instruction is for enabling the second sound wave transmitter to send a second sound wave signal, and wherein the first sound wave signal and the second sound wave signal have different amplitudes and/or frequencies;
• obtaining second location information that is sent by the second electronic device and received by the receiver, wherein the second location information is for describing a left-right relative location relationship between the first electronic device and the second electronic device based on an angle from which a user watches a display screen of the second electronic device, and wherein the second location information is determined by the second electronic device based on a first receiving start moment, a second receiving start moment, and first location information, the first receiving start moment is a start moment when a first sound wave receiver receives the first sound wave signal, the second receiving start moment is a start moment when the first sound wave receiver receives the second sound wave signal, the first location information is for describing that the first sound wave transmitter is located on a left side of the second sound wave transmitter based on an angle from which the user watches the first electronic device, and the first sound wave receiver is disposed in the second electronic device;
• and
• updating third location information by using the second location information, wherein the third location information is for describing the left-right relative location relationship between the first electronic device and the second electronic device based on an angle from which the user watches a display screen of the first electronic device.