CAPACITIVE STYLUS WITH POWER SAVING APPARATUS

摘要

A capacitive stylus with a power saving apparatus is disclosed. The capacitive stylus uses a controller to output signals to control a power circuit to regulate or convert a voltage from a power source to different working voltages for the controller so as to save electrical power of the capacitive stylus.

主权项

1. A capacitive stylus with a power saving apparatus, comprising:
a controller; a switch circuit, the controller outputting a first signal and a second signal to the switch circuit; and a power circuit, the switch circuit controlling the power circuit to regulate or convert a voltage from a power source to a first voltage or a second voltage according to the first signal or the second signal, the power circuit supplying the first voltage or the second voltage to the controller, wherein the first voltage is higher than the second voltage.