TW201508564A - Frequency adjusting method, stylus and portable electronic apparatus using the same - Google Patents

Abstract

A frequency adjusting method for a stylus sends a carrier signal to operate a portable electronic apparatus with a scanning frequency is disclosed. The method includes the follow steps: detecting a touch operation by the stylus to obtain an operating status data; transforming the operating status data into a corresponding scanning frequency of the portable electronic apparatus; determining whether the corresponding scanning frequency is over a receivable region of the scanning frequency; if the corresponding scanning frequency is over the receivable region of the scanning frequency, adjusting a carrier frequency of the carrier signal according to the operating status data; and forming an adjusting data of the scanning frequency according to the adjusted carrier frequency and sending the adjusting data of the scanning frequency to the portable electronic apparatus.

Description

Frequency adjustment method, stylus and portable device using the same, and frequency adjustment method thereof

The present invention relates to a frequency adjustment method, and more particularly to a frequency adjustment method based on a touch operation of a stylus to dynamically adjust a carrier frequency of a carrier signal of a stylus and a scanning frequency of a portable device. The invention further includes a stylus and a portable device to which the method is applied.

Nowadays, the portable device performs the command input by using the touch method, and the user only needs to click or slide on the touch panel of the portable device with a finger or a stylus to complete the input operation. Taking the stylus as an example, in the past, when a user operates a stylus to input text or a sliding track, it often finds that the character stroke or the track is interrupted or partially undisplayed, so that the displayed text or track is not Complete, causing user confusion. The reason for this is that the scanning frequency of the portable device is not fast enough, or the carrier frequency of the stylus fails to match the scanning frequency of the portable device, so that the complete trajectory input by the user cannot be actually reflected. At present, the scanning frequency of the existing portable device and the carrier frequency of the active stylus are mostly designed with a fixed frequency, and thus the above problems cannot be effectively improved.

Therefore, how to develop a design that dynamically adjusts the carrier frequency of the stylus or/and the scanning frequency of the portable device as the input state of the user is different is a subject worthy of study.

The main purpose of the present invention is to provide a frequency adjustment method based on the touch operation of the stylus to dynamically adjust the carrier frequency of the stylus carrier signal and the scanning frequency of the portable device.

To achieve the above object, the frequency adjustment method of the present invention is applied to a stylus capable of transmitting a carrier signal for operating a portable device having a scanning frequency. The method includes the following steps: detecting a touch operation performed by the stylus to obtain operation state information; converting the operation state information to a corresponding scanning frequency of the portable device; determining whether the corresponding scanning frequency exceeds an allowable range of the scanning frequency; When the scanning frequency is out of the allowable range, the carrier frequency of the carrier signal is adjusted according to the operation status information; and the frequency adjustment information of the scanning frequency is generated according to the adjusted carrier frequency and transmitted to the portable device.

Another main object of the present invention is to provide a frequency adjustment method based on the touch operation of the stylus to dynamically adjust the scanning frequency of the portable device.

To achieve the above object, the frequency adjustment method of the present invention is applied to a portable device having a scanning frequency, which is used in conjunction with a stylus capable of transmitting a carrier signal. The method includes the following steps: detecting a touch operation performed by the stylus to obtain touch input information; converting the touch input information to a corresponding scan frequency of the portable device; and determining whether the corresponding scan frequency exceeds an allowable range of the scan frequency; If the corresponding scanning frequency is out of the allowable range, the scanning frequency is adjusted according to the touch input information; and the frequency adjustment information of the carrier frequency is generated according to the adjusted scanning frequency and transmitted to the stylus.

The invention further includes a stylus and a portable device to which the foregoing method is applied.

With this design, the frequency adjustment method of the present invention can determine that the user performs handwriting input with a stylus or a finger based on the touch operation of the stylus, and performs real-time dynamic processing, so that the corresponding formed stroke is more continuous and not easily interrupted; Depending on the pressure applied by the user at the time of input, the stroke can dynamically change the thickness of the response, which in turn gives the user a more operational experience.

In order to make the reviewer more aware of the technical content of the present invention, several embodiments are described below.

Please refer to FIG. 1 for a block diagram of the system of the stylus pen 10 of the present invention. The stylus 10 of the present invention is an active stylus that can transmit a carrier signal to operate a portable device. As shown in FIG. 1 , the stylus pen 10 of the present invention includes a stylus body 11 and a first transmission module 12 , a state detection module 13 , a first processing module 14 , and a first A frequency adjustment module 15. The stylus body 11 can be the main housing structure of the stylus. The first transmission module 12 provides a signal transmission function with the portable device. The carrier signal is transmitted to the portable device by the first transmission module 12, and the first transmission module 12 can also be transmitted from the portable device. The message coming over. The first transmission module 12 performs signal transmission by means of wireless transmission, for example, a transmission module supporting different communication protocols (for example, WiFi, Bluetooth, NFC, etc.); here, the first transmission module 12 can be hard with wireless transmission function. The body wafer, but the embodiment thereof is not limited thereto, and may be a corresponding design of a hardware combined with a soft body or a firmware.

The state detecting module 13 is configured to detect a touch operation performed by the stylus to obtain operation state information. In one embodiment of the present invention, the state detecting module 13 includes a vibration sensing component 131 and a pressure sensing component 132, and the operating state information includes vibration information and pressure feedback information. The vibration sensing component 131 is configured to detect the vibration state of the stylus body 11 in the touch operation; and the pressure sensing component 132 is disposed on the pen tip portion of the stylus body 11 for detecting the touch The contact of the stylus body 11 in the operation is under pressure. When the user performs a touch operation on the portable device with the stylus 10, the stylus body 11 may be shaken, and the nib portion of the stylus body 11 may be pressed due to contact with the portable device, thereby The vibration sensing component 131 can obtain the vibration information of the stylus body 11 , and the pressure sensing component 132 can obtain the pressure feedback information of the stylus body 11 . The vibration information and pressure feedback information obtained here can be the feedback value of the measurement.

In addition, the state detecting module 13 further includes an environment detecting component 133 for determining whether the stylus pen 10 is in use. Here, the environment detecting component 133 may be a g-sensor or a gyroscope to detect the tilt angle of the stylus body 11. When the stylus pen 10 is used, the stylus body 11 is inclined at an angle to input an instruction or a written text. Therefore, the environment detecting component 133 can assist in determining whether the stylus pen 10 is in use or not. It should be noted that the present invention is not limited thereto. For example, the environment detecting component 133 may be replaced by a contact sensing component disposed on the surface of the stylus body 11 to detect the stylus body by the contact sensing component. Whether the 11 is held or not can also help determine whether the stylus pen 10 is in use.

The first processing module 14 is configured to, according to the operation state information detected by the state detecting module 13, generate a carrier frequency corresponding to one of the carrier signals corresponding to the operation state information, and then convert the carrier frequency according to the modified carrier frequency. Corresponding to the scanning frequency for one of the portable devices. Then, the first processing module 14 compares the corresponding scanning frequency with the scanning frequency of the current portable device to determine whether the corresponding scanning frequency exceeds the allowable range of the scanning frequency. Currently, the scanning frequency value of the portable device is located. Within this tolerance. The contents of how the first processing module 14 performs numerical calculation or conversion will be described in the following embodiments. The first processing module 14 herein may be one of a hardware processing chip, an application program, a firmware, or a combination of two or more.

The first frequency adjustment module 15 is configured to adjust the carrier frequency of the carrier signal sent by the stylus pen 10. In an embodiment of the invention, the first frequency adjustment module 15 can be a hardware chip or an application to perform a carrier frequency adjustment function. When the first processing module 14 determines that the converted corresponding scanning frequency is out of the allowable range, the first frequency adjusting module 15 adjusts the stylus 10 according to the corrected carrier frequency of the corresponding operating state information. The carrier frequency of the transmitted carrier signal.

The first processing module 14 generates the frequency adjustment information of the scanning frequency of the portable device according to the adjusted carrier frequency, and transmits the frequency adjustment information to the portable device through the first transmission module 12 for providing The carrying device performs a corresponding processing procedure. The frequency adjustment information generated here can be added to the carrier signal sent by the stylus 10 to be transmitted to the portable device along with the carrier signal; however, the frequency adjustment information can also be transmitted to the portable device by using an independent signal. .

In addition, the first processing module 14 is configured to have a first set time. When the first processing module 14 determines that the state detecting module 13 has not obtained any operating state information within the first set time, the first processing module 14 The first frequency adjustment module 15 is notified to reduce the carrier frequency of the carrier signal sent by the stylus to reduce unnecessary power consumption. Then, as long as the state detecting module 13 obtains any operating state information, the first processing module 14 can notify the first frequency adjusting module 15 to restore the carrier frequency of the original carrier signal. The first set time can be set from tens of seconds to tens of minutes, and the length of time is set according to the user's needs.

Please refer to FIG. 2, which is a flow chart of a first embodiment of the frequency adjustment method of the present invention applied to the stylus 10. It should be noted that the frequency adjustment method of the present invention is described below with reference to the stylus 10 shown in FIG. 1. However, the present invention is not limited thereto, and the method can also be applied to any similar architecture or function. Stylus. As shown in FIG. 2, the frequency adjustment method of the present invention includes steps S11 to S15. The corresponding steps will be described in detail below.

Step S11: detecting a touch operation performed by the stylus pen 10 to obtain operation state information.

When the user performs the touch operation on the portable device with the stylus 10 of the present invention, the state detecting module 13 detects the operated state of the stylus 10 to obtain the corresponding operating state information. The operation status information here includes the vibration information of the stylus pen 10 and the pressure feedback information. For example, when the user holds the stylus pen 10 of the present invention to perform a touch operation, the vibration information can be obtained. When the user touches the stylus pen 10 of the present invention to perform the touch operation, the pen tip portion can be contacted. With the device, pressure feedback information will be obtained.

Step S12: The conversion operation status information is a corresponding scanning frequency of the portable device.

After obtaining the foregoing operation status information, the first processing module 14 performs a calculation process on the operation status information, for example, directly digitizing the obtained vibration information and pressure feedback information or performing weight ratio calculation (eg, vibration value *0.6, pressure) The feedback value *0.4) is used to obtain a result value, and the corrected carrier frequency of the carrier signal corresponding to the operation state information is obtained according to the calculation or numerical data query. Since the carrier frequency of the stylus carrier signal and the scanning frequency of the portable device need to correspond to each other, the corresponding scanning frequency of the portable device can be found according to the modified carrier frequency obtained above (for example, a carrier corresponding to various operational status information is prepared in advance) The numerical data table of the frequency, and the data table of the carrier frequency and the scanning frequency are corresponding to the data table, so as to find the relevant value).

Step S13: It is judged whether the corresponding scanning frequency exceeds the allowable range of the scanning frequency.

The first processing module 14 can receive the message transmitted by the portable device first, obtain the scanning frequency of the current portable device, and set the allowable range of the scanning frequency. After the step S12, the first processing module 14 compares the currently found corresponding scanning frequency with the scanning frequency of the portable device to determine whether the corresponding scanning frequency exceeds the allowable range of the scanning frequency. If it is determined that the corresponding scanning frequency has exceeded the allowable range of the scanning frequency, proceeding to step S14; if it is determined that the corresponding scanning frequency is within the allowable range of the scanning frequency, it indicates that the current operating state of the stylus 10 does not need to be adjusted correspondingly. The frequency is returned to step S11 to perform the detection again.

For example, it is assumed that the first processing module 14 learns from the portable device that the scanning frequency of the current portable device is 300 kHz, and the allowable range of the scanning frequency is 50 kHz, that is, 250 kHz. Up to 350KHz. According to the operation state information obtained by the current operating state of the stylus 10, it is determined that the converted corresponding scanning frequency is 400 kHz, indicating that the corresponding scanning frequency has exceeded the allowable range of the scanning frequency, and the step S14 is continued; The corresponding scan frequency converted to 275 kHz indicates that the corresponding scan frequency is still within the allowable range of the scan frequency.

Step S14: Adjust the carrier frequency of the carrier signal according to the operation status information.

When it is determined in the foregoing step S13 that the corresponding scanning frequency has exceeded the allowable range of the scanning frequency, it indicates that the carrier frequency of the originally set carrier signal is not applicable according to the current operating state of the stylus, and the carrier frequency needs to be re-adjusted. Therefore, the first frequency adjustment module 15 adjusts the carrier frequency of the current carrier signal according to the modified carrier frequency corresponding to the operation state information, so as to respond to the current operating state of the stylus.

Step S15: Generate frequency adjustment information of the scanning frequency according to the adjusted carrier frequency and transmit the information to the portable device.

Since the carrier frequency of the carrier signal of the stylus 10 is changed, the scanning frequency of the portable device needs to be adjusted accordingly. Therefore, after adjusting the carrier frequency of the carrier signal in the foregoing step S14, the first processing module 14 according to the adjusted carrier frequency. Referring to the foregoing corresponding scanning frequency to generate frequency adjustment information of the scanning frequency, and notifying the first transmission module 12 to transmit the frequency adjustment information to the portable device, so that the portable device can adjust the scanning frequency accordingly.

The frequency adjustment method of the present invention further includes a step S10 before the step S11: determining whether the stylus pen 10 is in a use state.

The stylus 10 can detect the tilt angle of the stylus body 11 by using the environment detecting component 133 of the state detecting module 13 to determine whether the stylus pen 10 is in use. For example, if the environment detecting component 133 is a gravity accelerometer, if the stylus body 11 is detected to be in a substantially upright or flat position, it is determined that the stylus pen 10 is not in use; and if the stylus is detected When the body 11 is at an oblique angle to the substantially horizontal plane, it is determined that the stylus pen 10 is currently in use. It is also assumed that the environment detecting component 133 is a contact sensing component. If it is detected that the stylus body 11 is held by the user, it is determined that the stylus pen 10 is in use; otherwise, it is determined that the stylus pen 10 is not in use. .

If the stylus 10 is determined to be in the use state, the step S11 is continued to start the vibration sensing component 131 and the pressure sensing component 132 of the state detecting module 13 by using the sensing components. The vibration information and the pressure sensing information are respectively obtained. If it is determined that the stylus 10 is not in use, the environment detecting component 133 is continuously detected, so that the vibration sensing component 131 and the pressure sensing component 132 can be saved. Power consumption.

Please refer to FIG. 3, which is a flow chart of a second embodiment of the frequency adjustment method of the present invention applied to a stylus. This embodiment is a variation of the foregoing first embodiment. As shown in FIG. 3, in another embodiment of the present invention, the frequency adjustment method of the present invention may be replaced with step S16 and step S17 in step S12. The various steps added to the method are described in further detail below.

Step S16: Acquire touch input information from the portable device.

In this embodiment, the stylus 10 can obtain the operating state information by detecting the operating state of the stylus 10 as a reference for adjusting the carrier frequency, and can also perform the stylus 10 on the portable device by referring to the user. The touch input information generated by the touch operation achieves a more accurate carrier frequency adjustment effect. Therefore, the stylus 10 can obtain touch input information from the portable device through the first transmission module 12. The touch input information may include at least one of a touch type of the touch operation, a front and rear point distance, a moving speed, and an acceleration formed by the touch operation.

Step S17: Combine the operation status information and the touch input information to be converted into a corresponding scanning frequency of the portable device.

After the operation status information and the touch input information are obtained, the first processing module 14 performs calculation processing together with the operation status information and the touch input information, for example, the obtained vibration information, the pressure feedback information, and the movement track. The moving speed is directly digitized or the weight ratio calculation (such as vibration value *0.5, pressure feedback value *0.2, moving speed value *0.3) is performed to obtain a result value, and the result value is calculated or numerical data query according to the method. And obtaining a modified carrier frequency corresponding to the operation status information and the carrier signal of the touch input information; and then finding a corresponding scanning frequency of the portable device according to the modified carrier frequency obtained as described above.

With the design of the present invention, the stylus 10 can detect the different operating states when the user holds the hand, dynamically adjust the carrier frequency of the carrier signal sent by the user, and notify the portable device to adjust the scanning frequency accordingly, so that the touch The carrier frequency of the pen and the scanning frequency of the portable device can continuously cooperate with each other to reduce the interruption or discontinuity of the input moving track, and the situation of missing words is generated.

Please refer to FIG. 4, which is a system block diagram of the portable device 20 of the present invention. The portable device 20 of the present invention can be a smart phone, a tablet computer, a notebook computer or other portable device with a touch screen, and the portable device can be used with a stylus capable of transmitting a carrier signal. As shown in FIG. 4 , the portable device 20 of the present invention includes a second transmission module 21 , a touch detection module 22 , a second processing module 23 , and a second frequency adjustment module 24 . The second transmission module 21 provides a signal transmission function with the stylus, can receive the carrier signal or other signals sent by the stylus, and can send a message to the stylus. The second transmission module 21 also uses a wireless transmission mode for signal transmission. Here, the second transmission module 21 may be a hardware chip with a wireless transmission function, but the implementation manner is not limited thereto, and may also be a hardware. Combine the corresponding design of the software or firmware.

The touch detection module 22 is configured to detect a touch operation performed by the stylus on the portable device to obtain touch input information. The touch detection module 22 scans at a set scan frequency to match the carrier frequency of the carrier signal transmitted by the stylus to detect the touch input of the stylus. In one embodiment of the present invention, the touch detection module 22 can be a touch display panel of the portable device 20, and the touch input information obtained includes the touch type of the touch operation and the touch operation. At least one of a back point distance, a moving speed, and an acceleration before the movement trajectory is formed. The touch type of the touch operation may include different touch forms such as clicking and sliding. When the user performs the slide operation, the touch detection module 22 sequentially captures the movement of the slide operation. The plurality of points are connected to form a moving track. Therefore, the touch detection module 22 can obtain the distance between two adjacent front and rear points in the moving track, or calculate the moving track according to the distance and the time obtained by the front and rear points. Touch input information such as moving speed and acceleration. The acquisition of touch input information is a well-known technique and will not be repeated here.

The second processing module 23 is configured to convert the touch input information obtained by the touch detection module 22 into a corresponding scanning frequency of one of the portable devices. Then, the second processing module 23 compares the corresponding scanning frequency with the scanning frequency of the current portable device 20 to determine whether the corresponding scanning frequency exceeds the allowable range of the scanning frequency; and the scanning frequency value of the current portable device Located within this tolerance. Here, the second processing module 23 may be one of a hardware processing chip, an application program, a firmware, or a combination of two or more.

The second frequency adjustment module 24 is configured to adjust the scanning frequency of the portable device 20 . In an embodiment of the invention, the second frequency adjustment module 24 can be a hardware chip or an application to perform a scan frequency adjustment function. When the second processing module 23 determines that the converted corresponding scanning frequency is out of the allowable range, the second frequency adjusting module 24 adjusts the stylus 10 portable device according to the corresponding scanning frequency corresponding to the touch input information. 20 original scanning frequency.

The second processing module 23 generates frequency adjustment information of the carrier frequency of the carrier signal sent by the stylus according to the adjusted scanning frequency, and transmits the frequency adjustment information to the stylus by the second transmission module 21 For the stylus to perform the corresponding processing procedure.

In addition, the second processing module 23 is configured to have a second set time. When the second processing module 23 determines that the touch detection module 22 has not obtained any touch input information during the second set time, the second processing module Group 23 will notify second frequency adjustment module 24 to reduce the scanning frequency of portable device 20 to reduce unnecessary power consumption. Then, the second processing module 23 can notify the second frequency adjustment module 24 to restore the original scanning frequency as long as the touch detection module 22 obtains any touch input information. The second set time can be set from tens of seconds to tens of minutes, and the length of time is set according to the user's needs.

Please refer to FIG. 5, which is a flow chart of a first embodiment of the frequency adjustment method of the present invention applied to the portable device 20. It should be noted that the frequency adjustment method of the present invention is described below with reference to the portable device 20 shown in FIG. 4, but the present invention is not limited thereto, and the method can also be applied to any similar architecture or function. Portable device. As shown in FIG. 5, the frequency adjustment method of the present invention includes steps S21 to S25. The corresponding steps will be described in detail below.

Step S21: detecting a touch operation performed by the stylus pen 10 to obtain touch input information.

When the stylus 10 of the present invention performs a touch operation on the portable device, the touch detection module 22 detects the type or movement trajectory of the touch operation input by the stylus 10 Get the corresponding touch input information.

Step S22: Converting the touch input information to the corresponding scanning frequency of the portable device.

After obtaining the touch input information, the second processing module 23 performs a calculation process on the touch input information to obtain a result value, and according to the result value, the calculation or the numerical data query, etc. Control the corresponding scanning frequency of the input information. (For example, pre-produce a numerical data table corresponding to the scanning frequency of various touch input information, in order to find relevant values)

Step S23: determining whether the corresponding scanning frequency exceeds the allowable range of the scanning frequency.

The second processing module 23 sets the allowable range of the scanning frequency according to the scanning frequency of the current portable device. After the step S22, the second processing module 23 compares the currently found corresponding scanning frequency with the original scanning frequency of the portable device to determine whether the corresponding scanning frequency exceeds the allowable range of the scanning frequency. If it is determined that the corresponding scanning frequency has exceeded the allowable range of the scanning frequency, proceeding to step S24; if it is determined that the corresponding scanning frequency bit is within the allowable range of the scanning frequency, it indicates that the current portable device does not need to adjust the scanning frequency correspondingly, and returns Go to step S21 to re-execute the detection.

Step S24: Adjust the scanning frequency according to the corresponding scanning frequency.

When it is determined in the foregoing step S23 that the corresponding scanning frequency has exceeded the allowable range of the scanning frequency, it indicates that the originally set scanning frequency is not applicable according to the touch operation of the current stylus. Therefore, the second frequency adjustment module 24 adjusts the current scanning frequency according to the corresponding scan frequency.

Step S25: Generate frequency adjustment information of the carrier signal according to the adjusted scanning frequency and transmit the information to the stylus.

The carrier frequency of the carrier signal of the stylus needs to be adjusted accordingly. Therefore, after the scanning frequency is adjusted in the foregoing step S24, the second processing module 23 calculates the scanning frequency according to the adjusted scanning frequency. The frequency adjustment information of the carrier frequency of the carrier signal is generated, and the second transmission module 21 is notified to transmit the frequency adjustment information to the stylus so that the stylus can adjust the carrier frequency of the carrier signal accordingly.

Please refer to FIG. 6 , which is a flow chart of a second embodiment of the frequency adjustment method of the present invention applied to the portable device 20 . As shown in FIG. 6, in another embodiment of the present invention, the frequency adjustment method of the present invention may be replaced with step S26 and step S27 in step S22. The various steps added to the method are described in further detail below.

Step S26: Acquire operation state information from the stylus.

In this embodiment, the portable device 20 can obtain the touch input information by detecting the touch operation performed by the stylus 10 as a reference for adjusting the scanning frequency, and can also refer to the touch. The operating status information obtained by the pen itself achieves a more accurate scanning frequency adjustment effect. Therefore, the portable device 20 can obtain the operation status information from the stylus by the second transmission module 21. The operation status information may include vibration information and pressure feedback information of the stylus.

Step S27: Combine the operation status information and the touch input information to be converted into a corresponding scanning frequency of the portable device.

After obtaining the operation status information and the touch input information, the second processing module 23 performs calculation processing together with the operation status information and the touch input information, for example, the obtained vibration information, the pressure feedback information, and the movement track. The moving speed is directly digitized or the weight ratio is calculated to obtain a result value, and the portable device 20 that obtains the corresponding operating state information and the touch input information is obtained according to the calculation or the numerical data query. Corresponding to the scanning frequency.

With the foregoing design, the portable device 20 of the present invention can detect that the touch operation of the stylus is different, dynamically adjust the scanning frequency, and notify the stylus to adjust the carrier frequency of the carrier signal. The carrier frequency of the stylus and the scanning frequency of the portable device can be continuously matched to each other to reduce the interruption or discontinuity of the input movement track.

In summary, the present invention exhibits features that are different from conventional techniques in terms of purpose, means, and efficacy. It is to be noted that the above-described embodiments are merely illustrative of the principles of the invention and its advantages, and are not intended to limit the scope of the invention. Modifications and variations of the embodiments can be made by those skilled in the art without departing from the spirit and scope of the invention. The scope of protection of the present invention should be as described in the scope of the patent application to be described later.

10‧‧‧ stylus
11‧‧‧ stylus body
12‧‧‧First transmission module
13‧‧‧State Detection Module
131‧‧‧Vibration sensing components
132‧‧‧ Pressure sensing components
133‧‧‧Environmental detection elements
14‧‧‧First Processing Module
15‧‧‧First frequency adjustment module
20‧‧‧ portable device
21‧‧‧Second transmission module
22‧‧‧Touch Detection Module
23‧‧‧Second processing module
24‧‧‧Second frequency adjustment module
S10 ~ S17, S21 ~ S27‧‧‧ steps

1 is a block diagram of a system of a stylus according to the present invention. 2 is a flow chart of a first embodiment of a frequency adjustment method of the present invention applied to a stylus. 3 is a flow chart of a second embodiment of the frequency adjustment method of the present invention applied to a stylus. Figure 4 is a block diagram of the system of the portable device of the present invention. Figure 5 is a flow chart of a first embodiment of the frequency adjustment method of the present invention applied to a portable device. Figure 6 is a flow chart of a second embodiment of the frequency adjustment method of the present invention applied to a portable device.

Claims (22)

A stylus frequency adjustment method is applied to a stylus capable of transmitting a carrier signal, the stylus being used to operate a portable device having a scanning frequency, the method comprising the steps of: detecting the touch Performing a touch operation to obtain an operation status information; converting the operation status information to a scan frequency corresponding to one of the portable devices; determining whether the corresponding scan frequency exceeds a tolerance range of the scan frequency; and if the corresponding scan frequency If the tolerance is exceeded, the carrier frequency of the carrier signal is adjusted according to the operating state information; and the frequency adjustment information of the scanning frequency is generated according to the adjusted carrier frequency and transmitted to the portable device. The method of claim 1, further comprising the steps of: determining whether the stylus is in a use state; and if the stylus is in the use state, starting to obtain the operation state of the stylus News. The method of claim 1, wherein the operational status information comprises a vibration information or/and a pressure feedback information. The method of claim 1, wherein the stylus obtains touch input information from the portable device and combines the operational status information and the touch input information to be converted into the portable device The corresponding scanning frequency. The method of claim 4, wherein the touch input information comprises a touch type of the touch operation, a front-to-back point distance formed by the touch operation, a moving speed, and an acceleration At least one of them. The method of claim 1, wherein the frequency adjustment information of the scanning frequency is added to the carrier signal of the stylus for transmission to the portable device. The method of claim 1, wherein the carrier frequency of the stylus is reduced when the touch operation is not detected within a first set time. A stylus for operating a portable device having a scanning frequency, the stylus comprising: a first transmission module for transmitting a carrier signal to the portable device; a state detection module, The first processing module is configured to convert the operation status information to a scan frequency corresponding to one of the portable devices, and determine the Corresponding to whether the scanning frequency exceeds an allowable range of the scanning frequency; and a first frequency adjusting module, configured to adjust a carrier frequency of the carrier signal according to the operating state information when the corresponding scanning frequency exceeds the allowable range; The first processing module generates one frequency adjustment information of the scanning frequency according to the adjusted carrier frequency, and transmits the information to the portable device by using the first transmission module. The stylus of claim 8, wherein the state detecting module comprises a vibration sensing component and a pressure sensing component, and the operating state information comprises a vibration information and a pressure feedback information. The stylus of claim 8, wherein the state detecting module further comprises an environment detecting component, wherein the environment detecting component is configured to determine whether the stylus is in a use state. The stylus according to claim 8 , wherein the first transmission module can receive touch input information from the portable device, and the touch input information is detected by the portable device The touch operation is performed, and the processing module combines the operation status information and the touch input information to be converted into the corresponding scan frequency of the portable device. The stylus according to claim 11, wherein the touch input information includes a touch type of the touch operation, a front and rear point distance formed by the touch operation, and a moving speed and At least one of an acceleration. The stylus of claim 8, wherein the processing module adds the frequency adjustment information of the scanning frequency to the carrier signal of the stylus for transmission to the portable device. The stylus of claim 8 wherein the state detecting module reduces the carrier frequency of the stylus when the operating state information is not obtained within a first set time . A portable device frequency adjustment method is applied to a portable device having a scanning frequency, and the portable device cooperates with a stylus capable of transmitting a carrier signal, the method comprising the following steps: detecting the stylus Performing a touch operation to obtain a touch input information; converting the touch input information to a scan frequency corresponding to one of the portable devices; determining whether the corresponding scan frequency exceeds an allowable range of the scan frequency; if the corresponding scan If the frequency is outside the allowable range, the scanning frequency is adjusted according to the corresponding scanning frequency; and the frequency adjustment information of the carrier signal is generated according to the adjusted scanning frequency and transmitted to the stylus. The method of claim 15, wherein the touch input information includes a touch type of the touch operation, a front-to-back point distance formed by the touch operation, a moving speed, and an acceleration At least one of them. The method of claim 15, wherein the portable device obtains information on an operation status of the stylus, and combines the operation status information and the touch input information to be converted into the portable device. The corresponding scan frequency; the operation status information includes a vibration information or/and a pressure feedback information. The method of claim 15, wherein the scanning operation of the portable device is reduced when the touch operation is not detected within a second set time. The portable device includes: a second transmission module for receiving the carrier signal; and a touch detection module for using the stylus capable of transmitting a carrier signal Detecting one touch operation performed by the stylus to obtain a touch input information, the touch detection module scanning at a scan frequency; and a second processing module for inputting information according to the touch Converting to a corresponding scanning frequency, and determining whether the corresponding scanning frequency exceeds an allowable range of the scanning frequency; and a second frequency adjusting module, configured to: when the corresponding scanning frequency exceeds the allowable range, according to the corresponding scanning frequency Adjusting the scanning frequency; the second processing module generates frequency adjustment information of the carrier signal according to the adjusted scanning frequency, and transmits the frequency adjustment information to the portable device by using the second transmission module. The portable device as claimed in claim 20, wherein the touch input information includes a touch type of the touch operation, a front-to-back distance of the moving track formed by the touch operation, a moving speed, and At least one of an acceleration. The portable device of claim 20, wherein the second transmission module can obtain information about an operation status of the stylus, and the second processing module combines the operation status information with the touch The information is input to be converted into the corresponding scanning frequency of the portable device; the operating state information includes a vibration information or/and a pressure feedback information. The portable device of claim 20, wherein the second detection module lowers the portable device when the touch detection module does not detect the touch operation within a second set time The scanning frequency.