TWS headset presence detection method and system
A detection method and detection system technology, which is applied in the direction of earpiece/earphone accessories, earphone mechanical/electronic switches, sensors, etc., can solve the problem of being unable to actively detect whether the TWS earphone is in the charging box, etc., and achieve high detection reliability and low implementation cost low effect
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[0058] Based on the same inventive concept, the second embodiment of the present invention is a TWS earphone presence detection system, the system includes a charging box and a TWS earphone;
[0059] The charging box is used to send a power-on signal to the TWS earphone, and stop charging the TWS earphone;
[0060] The TWS earphone is used to power on when the power-on signal is received, and periodically collect the Vbus voltage value of the TWS earphone in the power-on state;
[0061] The TWS earphone is used to compare the collected Vbus voltage value with the preset charging stop voltage value, and when the Vbus voltage value is greater than or equal to the charging stop voltage value, it is determined that the TWS earphone is charging Otherwise, it is determined that the TWS earphone is not in the charging box.
[0062] In this embodiment, the charging box has a built-in Hall switch;
[0063] When the charging box determines that the charging box is opened through the H...
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