TW201939211A - Signal transmitting method and active touch system having power saving mechanism capable of avoiding frequent replacement of batteries or frequent charging - Google Patents

Abstract

The present invention relates to a signal transmitting method and an active touch system having a power saving mechanism. The signal transmitting method is performed by an active stylus device and includes the following steps: determining whether a beacon signal is received; when the beacon signal is received, activating an auxiliary function unit, and starting timing after transmitting a functional information signal generated by the auxiliary function unit; after timing is started, turning the auxiliary function unit off when the beacon signal is not received again within a critical time period. Accordingly, the active stylus device can automatically determine and activate or turn off the auxiliary function unit according to whether the beacon signal is received to perform a touch control function or to reduce power consumption, thereby providing a power saving mechanism and avoiding frequent replacement of batteries or frequent charging to improve the convenience of use.

Description

Active touch control system with power saving mechanism and signal sending method

The invention relates to an active touch system and a signal sending method, and more particularly to an active touch system and a signal sending method with a power saving mechanism.

With the development of technology, electronic devices using touch panels as human-computer interaction interfaces have become quite common, and for the convenience of writing, users will be provided with an electronic pen device for users to write on the touch panels. Generally speaking, electronic pen devices can be divided into two types: active and passive. Passive styluses simulate the function of human fingers. The capacitance value of the touch points on the touch panel is changed by the conductive characteristics. The value of the touch point position determines the touch position of the user, thereby providing a touch function.

The active stylus uses the sensing device of the active stylus itself to sense the information of the active stylus and transmit the sensed information to the touch panel through wireless transmission. Provides touch panel for data processing to determine the status of the active stylus, thereby providing touch functions.

However, because the wireless communication used by the active stylus transmits the sensed information, the wireless transmission must keep the active stylus and the touch panel connected to transmit signals, but maintaining the connection for a long time will cause considerable Power consumption, which in turn consumes the battery power of the active stylus, resulting in the need to increase the frequency of battery replacement or charging. For the user, replacing the battery will have an additional cost burden, and frequent replacement of the battery or charging for use It is also not very convenient.

In view of the existing shortcomings of using wireless communication to transmit wireless signals, the need to keep the connection for a long time results in power consumption, and the battery must be frequently replaced or recharged. The present invention proposes an active touch system with a power saving mechanism and Signal transmission method to reduce power consumption of wireless communication methods.

The active touch control system with a power saving mechanism includes: an active stylus pen device, including: a body having an accommodation space inside, and one end of the body is provided with a pen; The first wireless transceiver module is disposed in the accommodation space of the body; a first processing module is disposed in the accommodation space of the body, and is electrically connected to the first wireless transceiver module and passes through the first wireless transceiver module. The first wireless transceiver module sends a touch signal; an auxiliary function unit is electrically connected to the first processing module; and when the first processing module determines that the first wireless transceiver module receives a beacon signal When the first processing module starts the auxiliary function unit so that the auxiliary function unit generates a function information signal, and sends the function information signal through the first wireless transceiver module; wherein the first processing module passes the first A wireless transceiver module starts timing after sending the function information signal, and determines whether the first wireless transceiver module receives the beacon signal again within a critical time; if not, the first processing The module closes the auxiliary function unit; a touch device includes: a second wireless transceiver module; a second processing module is electrically connected to the second wireless transceiver module and transmits and receives through the second wireless transceiver module The module is wirelessly connected to a first wireless transceiver module of the active stylus device to receive the function information signal sent by the active stylus device; wherein when the second processing module meets a trigger condition The second processing module generates the beacon signal and repeatedly sends the beacon signal to the first wireless transceiver module in a first cycle through the second wireless transceiver module; wherein the first cycle is less than Or equal to the critical time.

The signal sending method with a power saving mechanism is executed by the active stylus device, and the signal sending method with a power saving mechanism includes the following steps: determining whether a beacon signal is received; when determining that the beacon signal is received When the beacon signal is activated, an auxiliary function unit is activated, so that the auxiliary function unit generates a function information signal and sends the function information signal; when the function information signal is sent, the timing is started, and after the timing is started, it is determined whether it is within a critical time The beacon signal is received again within the time; when the beacon signal is not received again within the critical time after the time is started, the auxiliary function unit is turned off.

The signal sending method with a power saving mechanism is executed by the active stylus pen device, and the active stylus pen device determines whether to receive the beacon signal based on the active stylus pen device. Only when the beacon signal is received, the auxiliary function unit is activated, and the function information signal generated by the auxiliary function unit is sent, and when the active stylus device does not receive the beacon signal, it is turned off The auxiliary function unit. In this way, when the active stylus pen device does not receive the beacon signal, the function information signal is not sent, and the auxiliary function unit is turned off. The active stylus pen device can further reduce Power consumption, thereby avoiding frequent battery replacement or charging, and improving the convenience of using the active stylus device.

In the following, the technical means adopted by the present invention to achieve the intended purpose will be further explained in conjunction with the drawings and the preferred embodiments of the present invention.

Please refer to FIG. 1 and FIG. 2. The present invention is an active touch system with a power saving mechanism. The active touch system with a power saving mechanism includes an active stylus device 10 and a touch device. 20.

The active stylus device 10 includes a main body 100, a first wireless transceiver module 11, a first processing module 12, an auxiliary function unit 13, and a battery module 14.

The main body 100 may be a pen-shaped housing, which has an accommodation space inside, and one end of the main body 100 is provided with a pen head 101. In the preferred embodiment, the pen tip 101 is a conductive pen tip.

The first wireless transceiver module 11 can be disposed in an accommodation space of the body 100. The first processing module 12 may be disposed in the accommodating space of the body 100, and is electrically connected to the first wireless transceiver module 11, and sends a touch signal through the first wireless transceiver module. The auxiliary function unit 13 is electrically connected to the first processing module 12. The battery module 14 is disposed in the accommodating space of the body 100, and is electrically connected and provides power to the first wireless transceiver module 11, the first processing module 12, and the auxiliary function unit 13 to provide Power required for circuit operation.

The first processing module 12 executes an auxiliary signal transmission mode to determine whether the first wireless transceiver module 11 receives a beacon signal. When the first processing module 12 determines the first wireless signal, When the transceiver module 11 receives the beacon signal, the first processing module 12 enables the auxiliary function unit 13 so that the auxiliary function unit 13 generates a function information signal; and when the first processing module After receiving the function information signal generated by the auxiliary function unit 13, the first processing module 12 sends the function information signal through the first wireless transceiver module 11.

The first processing module 12 stores a critical time. When the first processing module 12 sends the function information signal through the first wireless transceiver module 11 and starts timing, the first processing module 12 determines after the timing is started. Whether the first wireless transceiver module 11 receives the beacon signal again within the critical time; when the first processing module 12 determines that the first wireless transceiver module 11 does not receive the beacon within the critical time When the signal is received, the first processing module 12 disables the auxiliary function unit 13.

On the contrary, when the first processing module 12 judges that the first wireless transceiver module 11 receives the beacon signal within the critical time, the first processing module 12 continues to send through the first wireless transceiver module 11 The function information signal.

The touch device 20 includes a second wireless transceiver module 21 and a second processing module 22.

The second processing module 22 is electrically connected to the second wireless transceiver module 21 and is wirelessly connected to the first wireless transceiver module 11 of the active stylus pen device 10 through the second wireless transceiver module 21 to Receive the function information signal sent by the active stylus device 10. The power module 24 is electrically connected and provides power to the second wireless transceiver module 21, the second processing module 22, and the touch panel module 23 to provide power required for circuit operation.

When the second processing module 22 meets a trigger condition, the second processing module 22 generates the beacon signal, and repeatedly sends the beacon signal through the second wireless transceiver module 21 in a first cycle. To the first wireless transceiver module 11. In the preferred embodiment, the first period is less than or equal to the critical time.

As described above, the active stylus pen device 10 determines whether to receive the beacon signal as a basis, and when the active stylus pen device 10 determines that the beacon signal is received, the auxiliary function is activated. Unit 13 and sends the function information signal generated by the auxiliary function unit 13 to the touch device 20, and when the active stylus pen device 10 does not receive the beacon signal, the auxiliary function unit 13 is closed . In this way, when the active stylus device 10 does not receive the beacon signal, it means that the user has not operated the touch device 20 at the moment, so the second processing module 22 of the touch device 20 will not The trigger condition is satisfied, so the active stylus device 10 does not need to send the function information signal to the touch device 20, and since the active stylus device 10 turns off the auxiliary function unit 13, the active type The stylus pen device 10 can further reduce power consumption, thereby avoiding frequent battery replacement or charging, so as to improve the convenience of using the active stylus pen device 10.

In the preferred embodiment, the second processing module 22 is the second processing module 22 when the touch signal sent by the active stylus device 10 is received through the second wireless transceiver module 21. Judge that the trigger condition is met. Otherwise, the second processing module 22 determines that the trigger condition is not satisfied.

For example, when a user is using the active stylus device 10 to operate the touch device 20, the touch signal sent on behalf of the active stylus device 10 is received by the touch device 20, and The touch device 20 can perform a corresponding touch function according to the received touch signal. At this time, the second processing module 22 of the touch device 20 determines that the second condition is satisfied, and further sends the beacon signal, so that the active stylus pen device 10 can receive the beacon signal and start the assistance. The function unit 13 further enables the active stylus pen device 10 to send the function information signal, so that the touch device 20 can receive the function information signal and perform more touch functions.

In the preferred embodiment, the first wireless transceiver module 11 of the active stylus pen device 10 and the second wireless transceiver module 21 of the touch device 20 may be Bluetooth modules, but not Bluetooth. Modules are limited.

In addition, the touch device 20 further includes a touch panel module 23, and the touch panel module 23 is electrically connected to the second processing module 22. The touch panel module 23 is used to detect whether an object touches the touch panel module 23, and when the touch panel module 23 detects that the object touches the touch panel module 23 At 2300 hours, the touch panel module 23 generates an object touch signal. When the second processing module 22 receives an object touch signal generated by the touch panel module 23, the second processing module 22 determines that the trigger condition is satisfied. Otherwise, the second processing module 22 determines that the trigger condition is not satisfied.

For example, as shown in FIG. 2, when the user touches the touch panel module 23 of the touch device 20 with the pen 101 of the active touch pen device 10, it means that the user is using the active touch The pen control device 10 and the touch device 20. And since the pen tip 101 is a conductive pen tip, when the pen tip 101 contacts the touch panel module 23, the pen tip 101 can change the capacitance value of the touch point on the touch panel module 23, and the touch The control panel module 23 can determine that an object touches the touch panel module 23 and correspondingly generates a touch signal of the object, so that the second processing module 22 generates the beacon signal and passes the second wireless signal. The transceiver module 21 repeatedly sends the beacon signal in the first cycle. In this preferred embodiment, the object is the pen tip 101 of the active stylus pen device 10.

When the first processing module 12 of the active stylus pen device 10 receives the beacon signal through the first wireless transceiver module 11, the first processing module 12 starts the auxiliary function unit 13, The auxiliary function unit 13 is caused to generate the function information signal, and sends the function information signal to the touch device 20 through the first wireless transceiver module 11. After the touch device 20 receives the function information signal, it can execute a corresponding touch function according to the function information signal. And because the first period is less than or equal to the critical time, the active stylus pen device 10 can receive at least one beacon signal within the critical time, thereby allowing the active stylus pen device 10 to continue The auxiliary function unit 13 is activated for the user to continuously perform the corresponding touch function.

However, when the pen tip 101 of the active stylus pen device 10 does not touch the touch panel module 23, it means that the user does not need to use the active stylus pen device 10 at present. Therefore, the touch panel module 23 does not generate the object touch signal, and the second processing module 22 does not generate the beacon signal. That is, the second processing module 22 does not send the beacon signal. Therefore, the active stylus pen device 10 does not receive the beacon signal, and when the active stylus pen device 10 does not receive the beacon signal for more than the critical time, the active stylus pen device 10 Further, the first processing module 12 is turned off to the auxiliary function unit 13, thereby saving power consumption of the battery module 14 of the active stylus pen device 10.

Further, the touch panel module 23 can determine the touch position of the pen head 101 according to the change in the capacitance value of the contact position of the pen head 101 of the active stylus pen device 10, and then perform basic touch functions. In this preferred embodiment, the active stylus pen device 10 can further transmit the function information signal to the touch device 20, so that the touch device 20 can execute in addition to determining the touch position of the pen tip 101. In addition to the basic touch function, more functions can be combined with the function information signal.

Please refer to FIG. 2 and FIG. 3. In a first preferred embodiment of the active touch system with a power saving mechanism, the auxiliary function unit 13 may be a six-axis gyroscope 131, and the auxiliary function unit 13 The function information signal generated is an inertial information sensing signal.

For example, when the user uses the touch device 20 to perform writing functions, the touch device 20 can further generate a corresponding stroke track according to the user's touch track, and the touch device 20 can further The inertial information sensing signal determines the tilt angle of the user holding the active stylus pen device 10, and adjusts the thickness or style of the stroke track according to the calculated tilt angle, so that the user can edit more distinctive text or pictures.

Please refer to FIG. 4 and FIG. 5 again. In a second preferred embodiment of the active touch system with a power saving mechanism, the auxiliary function unit 13 is a pressure auxiliary function unit 132, and the pressure assist The function unit 132 is disposed inside the pen head 101, and the function information signal generated by the auxiliary function unit 13 is a stroke pressure sensing signal.

For example, when the user uses the touch device 20 to perform writing functions, the touch device 20 can further generate a corresponding stroke track according to the user's touch track, and the touch device 20 can further The pen pressure sensing signal determines the tilt angle of the user holding the active stylus pen device 10, and adjusts the thickness of the stroke track according to the calculated tilt angle, so that the user can edit text written similar to a writing brush.

Please refer to FIG. 6 and FIG. 7. In a third preferred embodiment of the active touch system with a power saving mechanism, the auxiliary function unit 13 is a key unit 133, and the key unit 133 is provided. On the body 100. The key unit 133 generates the function information signal according to the key pressing state of the key unit 133.

For example, when a user uses the touch device 20 to perform a writing function, and when the user does not press the key unit 133, the function information signal generated by the key unit 133 represents that the key unit 133 has not been pressed. Next, when the touch device 20 receives the function information signal, the touch device 20 determines that the key unit 133 has not been pressed according to the function information signal. At this time, the touch device 20 will The user's touch track generates a corresponding stroke track. When the user presses the button unit 133, the sensing information generated by the button unit 133 represents that the button unit 133 has been pressed, so when the touch device 20 receives the function information signal, the touch device 20, it can be determined that the key unit 133 has been pressed according to the function information signal. At this time, the touch device 20 will execute an eraser function to eliminate the displayed stroke track according to the user's touch track. In this way, users can quickly correct typos or draw mistakes.

Please refer to FIG. 8. According to the above content, a signal sending method with a power saving mechanism performed by the active stylus device can be sorted out, and the signal sending method includes the following steps:

Determine whether a beacon signal is received (S301);

When it is determined that the beacon signal is received, start an auxiliary function unit (S302), cause the auxiliary function unit to generate a function information signal, and send the function information signal (S303), and start timing (S304);

When the timing is started, it is determined whether the beacon signal is received again within a critical time (S305);

When the beacon signal is not received again within the critical time after starting the timing, the auxiliary function unit is turned off (S306);

When the beacon signal is received again within the critical time after the timing is started, step S303 is performed again.

In the preferred embodiment, the function information signal is an inertial information sensing signal, a stroke pressure sensing signal, or a key-pressing state sensing signal. The inertial information sensing signal is generated by a six-axis gyroscope and is used to determine the tilt angle of the active stylus device. The pen pressure sensing signal is generated by a pressure sensing unit and is used to judge the pen pressure of the active touch pen device. The key pressing state sensing signal is generated by a key unit, and is used to determine whether the key unit is pressed.

Please refer to FIG. 9. According to the above, the steps performed by the second processing module of the touch device can be sorted out, including the following steps:

Determine whether the trigger condition is satisfied (S401);

When the trigger condition is satisfied, the beacon signal is generated, and the beacon signal is repeatedly sent in the first cycle (S402);

When the trigger condition is not satisfied, the beacon signal is stopped being sent (S403).

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed as above with the preferred embodiments, they are not intended to limit the present invention, and any technology familiar with the profession Personnel, without departing from the scope of the technical solution of the present invention, can use the disclosed technical content to make a few changes or modify the equivalent embodiment of equivalent changes, but as long as it does not depart from the technical solution of the present invention, according to the present invention Any simple modifications, equivalent changes, and modifications made to the above embodiments by the technical essence of the invention still fall within the scope of the technical solution of the present invention.

10‧‧‧ Active stylus device

100‧‧‧ Ontology

101‧‧‧writing

11‧‧‧The first wireless transceiver module

12‧‧‧The first processing module

13‧‧‧Auxiliary Function Unit

131‧‧‧Six-axis gyroscope

132‧‧‧Pressure assist function unit

133‧‧‧button auxiliary function unit

14‧‧‧ Battery Module

20‧‧‧ touch device

21‧‧‧Second wireless transceiver module

22‧‧‧Second Processing Module

23‧‧‧Touch Panel Module

24‧‧‧Power Module

FIG. 1 is a block diagram of an active touch system with a power saving mechanism according to the present invention. FIG. 2 is a schematic diagram of a use state of a first preferred embodiment of an active touch system with a power saving mechanism according to the present invention. FIG. 3 is a block diagram of a first preferred embodiment of an active touch system with a power saving mechanism according to the present invention. FIG. 4 is a schematic diagram of a use state of the second preferred embodiment of the active touch system with a power saving mechanism according to the present invention. 5 is a block diagram of a second preferred embodiment of an active touch system with a power saving mechanism according to the present invention. FIG. 6 is a schematic diagram of a use state of a third preferred embodiment of the active touch system with a power saving mechanism according to the present invention. FIG. 7 is a block diagram of a third preferred embodiment of an active touch system with a power saving mechanism according to the present invention. FIG. 8 is a schematic flowchart of a signal sending method with a power saving mechanism according to the present invention. FIG. 9 is a schematic flowchart of steps performed by a touch device of an active touch system with a power saving mechanism according to the present invention.

Claims (10)

A signal transmission method with a power saving mechanism is executed by an active stylus device, and the signal transmission method includes the following steps: judging whether a beacon signal is received; when judging that the beacon signal is received , Start an auxiliary function unit, so that the auxiliary function unit generates a function information signal and sends the function information signal; when the function information signal is sent, the timer is started, and after the timer is started, it is judged whether it is received again within a critical time. The beacon signal; when the beacon signal is not received again within the critical time after starting the timing, the auxiliary function unit is turned off. The method for transmitting a signal with a power saving mechanism according to claim 1, further includes the following steps: When the beacon signal is received again within the critical time after starting the timing, re-receive the signal generated by the auxiliary function unit. The function information signal, and send the function information signal. The method for transmitting a signal with a power saving mechanism according to claim 1, wherein the function information signal is an inertial information sensing signal, a stroke pressure sensing signal, or a key press status signal. An active touch control system with a power saving mechanism includes: an active stylus pen device including: a body having an accommodation space inside the body, and one end of the body is provided with a pen; The first wireless transceiver module is disposed in the accommodation space of the body; a first processing module is disposed in the accommodation space of the body, and is electrically connected to the first wireless transceiver module and passes through the first wireless transceiver module. The first wireless transceiver module sends a touch signal; an auxiliary function unit is electrically connected to the first processing module; and when the first processing module determines that the first wireless transceiver module receives a beacon signal When the first processing module starts the auxiliary function unit so that the auxiliary function unit generates a function information signal, and sends the function information signal through the first wireless transceiver module; wherein the first processing module passes the first After a wireless transceiver module sends the function information signal, it starts timing and judges whether the first wireless transceiver module receives the beacon signal again within a critical time; if not, the first The processing module closes the auxiliary function unit; a touch device includes: a second wireless transceiver module; a second processing module is electrically connected to the second wireless transceiver module and passes through the second wireless The transceiver module is wirelessly connected to the first wireless transceiver module of the active stylus device to receive the function information signal sent by the active stylus device; wherein when the second processing module meets a trigger condition When the second processing module generates the beacon signal, and repeatedly sends the beacon signal to the first wireless transceiver module in a first cycle through the second wireless transceiver module; wherein the first cycle Less than or equal to this critical time. The active touch system with a power saving mechanism according to claim 4, wherein: after the first processing module starts timing, and the first processing module determines that the first wireless transceiver module is at the critical time When the beacon signal is received, the first processing module continuously sends the function information signal through the first wireless transceiver module. The active touch system with a power saving mechanism according to claim 4 or 5, wherein: the second processing module is configured to receive the touch sent by the active stylus pen device through the second wireless transceiver module. When controlling the signal, the second processing module determines that the trigger condition is satisfied. The active touch system with a power saving mechanism according to claim 4 or 5, wherein: the touch device further includes a touch panel module, and the touch panel module is electrically connected to the second process Module; the touch panel module is used to detect whether an object touches the touch panel module, and when the touch panel module detects that the object touches the touch panel module The touch panel module generates an object touch signal. When the second processing module receives the object touch signal generated by the touch panel module, the second processing module determines that the trigger condition is satisfied. The active touch system with a power saving mechanism according to claim 4 or 5, wherein the auxiliary function unit of the active touch pen device is a six-axis gyroscope. The active touch system with a power saving mechanism according to claim 4 or 5, wherein the auxiliary function unit of the active stylus pen device is a pressure auxiliary function unit, and the pressure auxiliary function unit is provided on the pen tip internal. The active touch system with a power saving mechanism according to claim 4 or 5, wherein the auxiliary function unit of the active stylus pen device is a key assist function unit, and further includes a key module, the key The module is arranged on the body and is electrically connected with the key auxiliary function unit. The key auxiliary function unit senses the key pressing state of the key module and generates the function information signal according to the key pressing state of the key module. .