Wireless charging system and related method for transmitting data
First Claim
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1. A wireless charging system for transmitting data comprises:
- a charging device for wirelessly transmitting a source signal and adjusting a current value corresponding to the source signal according to a transmitted datum; and
a receiving device comprising;
a first coil for receiving the source signal according to electromagnetism and accordingly generating an AC current signal; and
an output module comprising;
a rectifying module, electrically connected to the first coil for rectifying the AC current signal to generate a DC current signal;
a transforming module, for transforming the DC current signal into a digital signal to retrieve the transmitted datum; and
a stabilizing module for stabilizing the DC current signal, comprising;
an up-loop switch, comprising an input end coupled to a power supply, an output end and a control end;
a down-loop switch, comprising an input end coupled to the output end of the up-loop switch, an output end coupled to the ground and a control end;
an oscillating module, comprising a capacitor and a inductor; and
a stabilizing logic controller, for outputting a control signal to the control end of the up-loop switch and the control end of the down-loop switch according to terminal voltage of both ends of the inductor, so as to switch on or off the up-loop switch and the down-loop switch.
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Abstract
The invention discloses a wireless charging system for transmitting data. The wireless charging system includes a charging device for wirelessly transmitting a source signal and adjusting a current corresponding to the source signal according to a transmitted datum, and a receiving device which includes a first coil for receiving the source signal according to the electromagnetic effect and generating a corresponding AC current signal, and an output module for obtaining the transmitted datum according to the AC current signal.
15 Citations
9 Claims
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1. A wireless charging system for transmitting data comprises:
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a charging device for wirelessly transmitting a source signal and adjusting a current value corresponding to the source signal according to a transmitted datum; and a receiving device comprising; a first coil for receiving the source signal according to electromagnetism and accordingly generating an AC current signal; and an output module comprising; a rectifying module, electrically connected to the first coil for rectifying the AC current signal to generate a DC current signal; a transforming module, for transforming the DC current signal into a digital signal to retrieve the transmitted datum; and a stabilizing module for stabilizing the DC current signal, comprising; an up-loop switch, comprising an input end coupled to a power supply, an output end and a control end; a down-loop switch, comprising an input end coupled to the output end of the up-loop switch, an output end coupled to the ground and a control end; an oscillating module, comprising a capacitor and a inductor; and a stabilizing logic controller, for outputting a control signal to the control end of the up-loop switch and the control end of the down-loop switch according to terminal voltage of both ends of the inductor, so as to switch on or off the up-loop switch and the down-loop switch. - View Dependent Claims (2, 3)
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4. A data transmitting method for a wireless charging system, wherein the wireless charging system comprises a charging module and a receiving module, the data transmitting method comprising:
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the charging module coupled to the receiving module via an interacting magnetic field, so as to transmit a source signal to the receiving module in a radio frequency way; the charging module adjusting a current value corresponding to the current signal according to a transmitted datum, so as to transmit the transmitted datum to the receiving module via the source signal; and the receiving module receiving the source signal via electromagnetism, so as to retrieve the transmitted datum within the source signal; wherein the receiving module comprises; a first coil for receiving the source signal according to electromagnetism and accordingly generating an AC current signal; and an output module comprising; a rectifying module, electrically connected to the first coil for rectifying the AC current signal to generate a DC current signal; a transforming module, for transforming the DC current signal into a digital signal to retrieve the transmitted datum; and a stabilizing module for stabilizing the DC current signal, comprising; an up-loop switch, comprising an input end coupled to a power supply, an output end and a control end; a down-loop switch, comprising an input end coupled to the output end of the up-loop switch, an output end coupled to the ground and a control end; an oscillating module, comprising a capacitor and a inductor; and a stabilizing logic controller, for outputting a control signal to the control end of the up-loop switch and the control end of the down-loop switch according to terminal voltage of both ends of the inductor, so as to switch on or off the up-loop switch and the down-loop switch. - View Dependent Claims (5, 6, 7, 8, 9)
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Specification