Active stylus with dual operation protocol switching and method thereof

Abstract

The invention discloses an active stylus with dual operation protocol switching and a method thereof, comprising a mode key configured to generate a logic level according to an operation protocol mode selected by a user of the active stylus, a microcontroller configured to generate a point-to-point voltage control signal according to the logic level, the signal power control module is configured to generate a point-to-point voltage corresponding to an operation protocol according to the point-to-point voltage control signal, and the signal transmission module is configured to generate and transmit an operation protocol signal according to the point-to-point voltage.

Description

Technical Field

[0001] The present invention relates to an active touch pen, and in particular to an active touch pen with dual operation protocol switching and a method thereof. Background Art

[0002] The existing active stylus with Microsoft Pencil operation protocol and the active stylus with Apple Pencil operation protocol do not have the function of cross-operation protocol. If the user wants to switch between the two operation protocols, he must have two active styluses with Microsoft Pencil operation protocol and Apple Pencil operation protocol respectively. Therefore, the user has the demand of the same active stylus with dual operation protocol switching. Summary of the invention

[0003] The present invention provides an active stylus with dual operation protocol switching, comprising a mode key configured to generate a logic level according to an operation protocol mode selected by a user of the active stylus, and a microcontroller configured to generate a point-to-point voltage (Voltage of point to point, V) according to the logic level. pp ) control signal, a signal power control module, the signal power control module is configured to generate a point-to-point voltage corresponding to an operating protocol according to the point-to-point voltage control signal, and a signal transmission module is configured to generate and transmit an operating protocol signal according to the point-to-point voltage.

[0004] In one embodiment, the mode key includes a touch key.

[0005] In one embodiment, the mode key includes a collision gravity sensor (G-Sensor).

[0006] In one embodiment, the mode key includes a toggle switch.

[0007] In one embodiment, the logic level includes a first logic level or a second logic level, wherein a phase of the first logic level is opposite to a phase of the second logic level.

[0008] In one embodiment, the operating protocol includes a Microsoft Pen Protocol (MPP).

[0009] In one embodiment, the operating protocol includes an Apple Pencil Protocol.

[0010] In one embodiment, the signal power control module further includes a voltage adjustment circuit, and the voltage adjustment circuit is configured to generate the point-to-point voltage according to the point-to-point voltage control signal.

[0011] In one embodiment, the signal transmission module includes a wireless signal transmission module.

[0012] The present invention provides a dual operation protocol switching method for an active stylus, which specifically includes the following steps: generating a logic level through a mode key according to the operation protocol mode selected by the user of the active stylus; generating a point-to-point voltage (Voltage of point to point, V) through a microcontroller according to the logic level; pp ) control signal; generating a point-to-point voltage corresponding to an operating protocol according to the point-to-point voltage control signal via a signal power control module, and generating an operating protocol signal according to the point-to-point voltage via a signal transmission module and transmitting the operating protocol signal.

[0013] In one embodiment, the logic level includes a first logic level or a second logic level, wherein a phase of the first logic level is opposite to a phase of the second logic level.

[0014] In one embodiment, the operating protocol includes a Microsoft Pen Protocol (MPP).

[0015] In one embodiment, the operating protocol includes an Apple Pencil Protocol.

[0016] In one embodiment, the step of generating a point-to-point voltage according to the point-to-point voltage control signal further comprises: generating the point-to-point voltage according to the point-to-point voltage control signal via a voltage adjustment circuit of the signal power control module.

[0017] In one embodiment, the step of transmitting an operation protocol signal according to the point-to-point voltage via a signal transmission module includes: transmitting the operation protocol signal in a wireless transmission manner.

[0018] In order to make the above features and advantages of the present invention more clearly understood, embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of an active stylus with dual operation protocol switching according to an embodiment of the present invention;

[0020] Figure 2 for Figure 1A schematic diagram of dual-operation protocol switching of an active stylus pen is shown; and

[0021] Figure 3 yes Figure 1 The flowchart of the operation protocol switching method of the active stylus with dual operation protocol switching is shown.

[0022] The reference numerals are described as follows:

[0023] 100: Active stylus;

[0024] 21: Mode key;

[0025] 22: signal transmission module;

[0026] 23: Microcontroller;

[0027] 24: logic level;

[0028] 241: first logic level;

[0029] 243: second logic level;

[0030] 25: power module;

[0031] 27: Power supply;

[0032] 29: signal power control module;

[0033] S301~S307: steps. DETAILED DESCRIPTION

[0034] Figure 1 is a schematic diagram of an active stylus pen 100 with dual operation protocol switching according to an embodiment of the present invention. Figure 2 for Figure 1 The schematic diagram of the dual operation protocol switching of the active stylus 100 is shown in FIG. Figure 1 and Figure 2 As shown, the active stylus 100 includes a mode key 21, and the mode key 21 is configured to generate a logic level 24 according to the desired operation protocol mode selected by the user of the active stylus 100. In this embodiment, the mode key 21 includes a touch key. In one embodiment, the mode key 21 includes a collision gravity sensor (G-Sensor). In one embodiment, the mode key 21 includes a toggle switch.

[0035] In this embodiment, the logic level 24 includes a first logic level 241 or a second logic level 243. The first logic level 241 represents the first operation protocol, and the second logic level 243 represents the second operation protocol. The phase of the first logic level 241 and the phase of the second logic level 243 are opposite to each other.

[0036] A power module 25 is coupled to a power source 27, and is configured to convert power from the power source 27 to provide a microcontroller 23 and a signal power control module 29 with required voltages. In this embodiment, the power module 25 includes a power converter, and the power source 27 includes a battery.

[0037] The microcontroller 23 (Micro Control Unit, MCU) is configured to generate a point-to-point voltage (Voltage of point to point, V pp The signal power control module 29 is configured to generate a point-to-point voltage V corresponding to an operation protocol according to the point-to-point voltage control signal. pp In this embodiment, the signal power control module 29 further includes a voltage adjustment circuit, which is configured to generate the point-to-point voltage V according to the point-to-point voltage control signal. pp , wherein the point-to-point voltage includes a potential difference between a potential of a voltage output point of the voltage adjustment circuit and a reference potential.

[0038] In this embodiment, the point-to-point voltage V pp The voltage includes a 22V (Volt) voltage or a 42V (Volt) voltage. The 22V voltage corresponds to the Microsoft Pencil protocol (first operating protocol). The 42V voltage corresponds to the Apple Pencil protocol (second operating protocol).

[0039] A signal transmission module 22 is configured to transmit the signal according to the point-to-point voltage V pp To generate and transmit an operation protocol signal, wherein the operation protocol signal is transmitted to an electronic device with a touch screen. In this embodiment, the operation protocol signal includes a Microsoft Pen operation protocol signal, and in another embodiment, the operation protocol signal includes an Apple Pen operation protocol signal.

[0040] In this embodiment, the signal transmission module 22 includes a wireless signal transmission module, and the operation protocol signal is transmitted in a wireless transmission manner. The wireless signal transmission module includes a Bluetooth module.

[0041] Figure 3 yes Figure 1FIG. 1 is a flow chart of a method for switching an operation protocol of an active stylus pen 100 with dual operation protocol switching. Figure 3 As shown, in step S301, a logic level is generated and transmitted to a microcontroller via a mode key according to the protocol mode selected by the user of the active stylus. In the present embodiment, the logic level includes a first logic level or a second logic level, wherein the phase of the first logic level is inverse to the phase of the second logic level.

[0042] Step S303: Voltage of point to point (V pp ) A control signal is generated by the microcontroller according to the logic level and transmitted to a signal power control module, step S305, a point-to-point voltage corresponding to an operation protocol is generated by the signal power control module according to the point-to-point voltage control signal and transmitted to a signal transmission module.

[0043] In this embodiment, the point-to-point voltage V pp Including a voltage of 22V (Volt) or a voltage of 42V (Volt). The 22V voltage corresponds to the Microsoft Pen protocol (first operating protocol). The 42V voltage corresponds to the Apple Pen protocol (second operating protocol). In one embodiment, the point-to-point voltage is generated by a voltage adjustment circuit of the signal power control module according to the point-to-point voltage control signal, wherein the point-to-point voltage includes a potential difference between a potential of a voltage output point of the voltage adjustment circuit and a reference potential.

[0044] In step S307, an operation protocol signal is generated and transmitted to an electronic device with a touch screen via the signal transmission module according to the point-to-point voltage. In this embodiment, the operation protocol signal includes a Microsoft Pen operation protocol signal. In another embodiment, the operation protocol signal includes an Apple Pen operation protocol signal.

[0045] In this embodiment, the signal transmission module includes a wireless signal transmission module, and the operation protocol signal is transmitted in a wireless transmission manner. The wireless signal transmission module includes a Bluetooth module.

[0046] In summary, the operation protocol switching of the active stylus with dual operation protocol switching provided by the present invention is exemplified as follows:

[0047] When the operating protocol of the active stylus pen is the Microsoft Pen protocol, that is, the first logic level has been executed and the point-to-point voltage V ppThe voltage of the active stylus is 22V, and the wireless signal of the Microsoft Pen protocol is transmitted by the active stylus in a broadcasting manner. If the user wants to switch the operation mode of the active stylus from the Microsoft Pen protocol to the Apple Pen protocol, the user triggers the mode key of the active stylus to generate a second logic level, and the second logic level is transmitted to the microcontroller. The phase of the second logic level is opposite to the phase of the first logic level.

[0048] A point-to-point voltage control signal is generated by the microcontroller according to the second logic level and transmitted to the signal power control module, and a point-to-point voltage (42V) corresponding to the Apple Pencil protocol is generated by the voltage adjustment circuit of the signal power control module according to the point-to-point voltage control signal, and the point-to-point voltage corresponding to the Apple Pencil protocol is transmitted to the signal transmission module. Since the signal transmission module is a wireless signal transmission module, the wireless signal of the Apple Pencil protocol is broadcasted and transmitted wirelessly, and the operating protocol of the active stylus is switched from the Microsoft Pencil protocol to the Apple Pencil protocol.

Claims

1. An active stylus pen with dual operation protocol switching, characterized in that: include: a mode key configured to generate a logic level according to an operation protocol mode selected by a user of the active stylus; a microcontroller configured to generate a point-to-point voltage control signal according to the logic level; a signal power control module configured to generate a point-to-point voltage corresponding to an operation protocol according to the point-to-point voltage control signal; as well as, A signal transmission module is configured to generate and transmit an operation protocol signal according to the point-to-point voltage.

2. The active stylus pen with dual operation protocol switching according to claim 1, characterized in that: The mode key includes a touch key.

3. The active stylus pen with dual operation protocol switching according to claim 1, characterized in that: The mode key includes a collision gravity sensor.

4. The active stylus pen with dual operation protocol switching according to claim 1, characterized in that: The mode key includes a toggle switch.

5. The active stylus pen with dual operation protocol switching according to claim 1, characterized in that: The logic level includes a first logic level or a second logic level, wherein a phase of the first logic level is opposite to a phase of the second logic level.

6. The active stylus pen with dual operation protocol switching according to claim 1, characterized in that: The operating agreement includes a Microsoft agreement.

7. The active stylus pen with dual operation protocol switching according to claim 1, characterized in that: The operating protocol includes an Apple Pencil protocol.

8. The active stylus pen with dual operation protocol switching according to claim 1, characterized in that: The signal power control module further includes a voltage adjustment circuit, and the voltage adjustment circuit is configured to generate the point-to-point voltage according to the point-to-point voltage control signal.

9. The active stylus pen with dual operation protocol switching according to claim 1, characterized in that: The signal transmission module includes a wireless signal transmission module.

10. A dual-operation protocol switching method for an active stylus pen, characterized in that: The method comprises: Producing a logic level according to an operation protocol mode selected by a user of the active stylus via a mode key; Generate a point-to-point voltage control signal via a microcontroller according to the logic level; generating a point-to-point voltage corresponding to an operation protocol according to the point-to-point voltage control signal via a signal power control module; and, A signal transmission module is used to generate an operation protocol signal according to the point-to-point voltage and transmit the operation protocol signal.

11. The dual operation protocol switching method of the active stylus pen according to claim 10, characterized in that: The logic level includes a first logic level or a second logic level, wherein a phase of the first logic level is opposite to a phase of the second logic level.

12. The dual operation protocol switching method of the active stylus pen according to claim 10, characterized in that: The operating agreement includes a Microsoft agreement.

13. The dual operation protocol switching method of the active stylus pen according to claim 10, characterized in that: The operating protocol includes an Apple Pencil protocol.

14. The dual operation protocol switching method of the active stylus pen according to claim 10, characterized in that: The step of generating a point-to-point voltage according to the point-to-point voltage control signal also includes: The point-to-point voltage is generated according to the point-to-point voltage control signal via a voltage adjustment circuit of the signal power control module.

15. The dual operation protocol switching method of the active stylus pen according to claim 10, characterized in that: The step of transmitting an operation protocol signal according to the point-to-point voltage via a signal transmission module includes: transmitting the operation protocol signal in a wireless transmission manner.

Images