Stylus, touch electronic device, and touch system

1. A stylus, comprising:

a pen tip, receiving a vibration signal;

a pressure sensor, connected to the pen tip and sensing a vibration force of the vibration signal;

a controller, coupled to the pressure sensor, the controller decoding the vibration signal according to the vibration force with respect to a synchronization time point to obtain transmission information and performing a function according to the transmission information, wherein a pressure value sensed by the pressure sensor is positively correlated to the vibration force of the vibration signal; and

a signal transmitter coupled to the controller,

wherein the controller, in response to receiving a beacon signal, sends a synchronization confirmation signal through the signal transmitter, and decodes the vibration signal according to the vibration force after sending the synchronization confirmation signal,

wherein the beacon signal comprises another vibration signal which corresponds to a preset vibration force and is maintained for a preset duration.

2. The stylus according to claim 1 , wherein the transmission information comprises at least one of a protocol setting command and a frequency setting command, and the function comprises a function of switching at least one of a communication protocol and an operating frequency of the stylus.

3. The stylus according to claim 1 , further comprising a storage device, wherein the transmission information comprises stroke setting data, and the function comprises a function of recording the stroke setting data into the storage device.

4. A touch electronic device, comprising:

a touch panel;

a haptic actuation device, connected to the touch panel;

a storage device; and

a processor, coupled to the touch panel, the haptic actuation device, and the storage device,

wherein the processor encodes transmission information into a vibration signal, determines a vibration force of the vibration signal with respect to at least one synchronization time point according to the transmission information, and controls the haptic actuation device to drive the touch panel to output the vibration signal, so that a stylus obtains the transmission information through receiving the vibration signal,

wherein the processor controls the touch panel to output a beacon signal to receive a synchronization confirmation signal from the stylus through the touch panel,

wherein the beacon signal comprises another vibration signal which corresponds to a preset vibration force and is maintained for a preset duration.

5. The touch electronic device according to claim 4 , wherein the transmission information comprises at least one of a protocol setting command and a frequency setting command, and the processor generates the protocol setting command according to a communication protocol of the touch panel and generates the frequency setting command according to a driving frequency of the touch panel.

6. The touch electronic device according to claim 4 , wherein the transmission information comprises stroke setting data, and the processor, in response to an operation of a user, generates the stroke setting data according to a current setting state of the stylus.

7. A touch system, comprising:

a touch electronic device, comprising a touch panel and a haptic actuation device, the haptic actuation device being connected to the touch panel; and

a stylus, comprising a pressure sensor and a pen tip, the pressure sensor being connected to the pen tip,

wherein the touch electronic device encodes transmission information into a vibration signal and controls the haptic actuation device to drive the touch panel to output the vibration signal,

the pen tip of the stylus receives the vibration signal, the pressure sensor senses a vibration force of the vibration signal, the stylus decodes the vibration signal according to the vibration force to obtain the transmission information, and the stylus performs a function according to the transmission information,

wherein the transmission information comprises at least one hexadecimal value, and the stylus performs a command search based on the hexadecimal value to decide to perform the function.

8. The touch system according to claim 7 , wherein the stylus decodes the vibration signal according to the vibration force with respect to a synchronization time point to obtain the transmission information, and a pressure value sensed by the pressure sensor is positively correlated to the vibration force of the vibration signal.

9. The touch system according to claim 7 , wherein the stylus further comprises a signal transmitter, the stylus, in response to receiving a beacon signal, sends a synchronization confirmation signal through the signal transmitter, and the stylus decodes the vibration signal according to the vibration force after sending the synchronization confirmation signal.

10. The touch system according to claim 9 , wherein the beacon signal comprises another vibration signal which corresponds to a preset vibration force and is maintained for a preset duration.

11. The touch system according to claim 9 , wherein the touch panel output the beacon signal and then the touch electronic device receives the synchronization confirmation signal from the stylus through the touch panel.

12. The touch system according to claim 7 , wherein the transmission information comprises a frequency setting command, and the function comprises a function of switching an operating frequency of the stylus.

13. The touch system according to claim 7 , wherein the transmission information comprises a protocol setting command, and the function comprises a function of switching a communication protocol of the stylus.

14. The touch system according to claim 7 , wherein the stylus further comprises a storage device, the transmission information comprises stroke setting data, and the function comprises a function of recording the stroke setting data into the storage device.

15. The touch system according to claim 7 , wherein the touch electronic device determines the vibration force of the vibration signal with respect to at least one synchronization time point according to the transmission information.