CN111083943A - Near field communication connection method and system, active pen and touch screen - Google Patents
Near field communication connection method and system, active pen and touch screen Download PDFInfo
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Abstract
A short-distance wireless communication connection method, a system, an active pen (604) and a touch screen (6024), wherein the short-distance wireless communication connection method comprises the following steps: the method comprises the steps that an active pen (604) sends a connection trigger signal (S102) to a touch screen (6024), wherein the connection trigger signal is used for triggering the establishment of a short-range wireless communication connection between the active pen (604) and a device where the touch screen (6024) is located; receiving a first request (S104) sent by the touch screen (6024) according to the trigger signal, wherein the first request is used for requesting identification information of the active pen (604); transmitting identification information of the active pen (604) to the touch screen (6024) according to the first request, and receiving a second request (S106) fed back by the touch screen (6024) according to the identification information, wherein the second request is used for requesting pairing information of the active pen (604) for short-range wireless communication; transmitting the pairing information of the active pen (604) to the touch screen (6024) according to the second request to establish a short-range wireless communication connection with a device where the touch screen (6024) is located (S108).
Description
The embodiment of the invention relates to the technical field of communication, in particular to a short-distance wireless communication connection method and system, and an active pen and a touch screen.
With the development of communication technology, the near field communication technology is widely applied to various devices, and an active pen is one of the devices. The active pen is a device in which a short-range wireless communication circuit is provided in the pen and can actively transmit a signal to a touch screen, and the touch screen detects related information such as coordinates of the active pen according to the received transmission signal.
Taking an active pen using a bluetooth short-distance wireless communication circuit as an example, the first connection communication process between the current active pen and an electronic device such as a computer comprises the following steps: (1) opening a Bluetooth device in the active pen to enable the active pen to enter a pairing mode; (2) opening the Bluetooth equipment on the computer, waiting for the computer to scan and listing all the searched Bluetooth equipment; (3) manually selecting corresponding active pen equipment from all the Bluetooth equipment scanned by the computer to carry out pairing operation; (4) and after the pairing is successful, the active pen and the computer perform Bluetooth communication.
As can be seen from the above, on the one hand, in the existing bluetooth communication mode, the first connection operation between devices must be manually completed by a user, which is cumbersome to operate; on the other hand, when there are many bluetooth devices, especially when there are multiple bluetooth devices with the same name, for example, when there are other bluetooth devices that are consistent with the bluetooth name of the current active pen, it is difficult for the user to select the correct device.
Disclosure of Invention
The embodiment of the invention provides a near field communication connection method, a near field communication connection system, an active pen and a touch screen, and aims to solve the problems.
According to a first aspect of the embodiments of the present invention, there is provided a near field communication connection method, including: the method comprises the steps that an active pen sends a connection trigger signal to a touch screen, wherein the connection trigger signal is used for triggering and establishing the close-range wireless communication connection between the active pen and equipment where the touch screen is located; receiving a first request sent by the touch screen according to the trigger signal, wherein the first request is used for requesting identification information of the active pen; sending identification information of the active pen to the touch screen according to the first request, and receiving a second request fed back by the touch screen according to the identification information, wherein the second request is used for requesting pairing information of the active pen for short-distance wireless communication; and sending the pairing information of the active pen to the touch screen according to the second request so as to establish close range wireless communication connection with the equipment where the touch screen is located.
According to a second aspect of the embodiments of the present invention, there is also provided another near field wireless communication connection method, including: the method comprises the steps that a touch screen receives a connection trigger signal sent by an active pen, wherein the connection trigger signal is used for triggering and establishing the close-range wireless communication connection between the active pen and equipment where the touch screen is located; acquiring identification information of the active pen through a first request according to the connection trigger signal; according to the identification information, determining that the close range wireless communication connection between the active pen and the equipment where the touch screen is located is not established; sending a second request to the active pen to acquire pairing information of the close-range wireless communication of the active pen; and establishing short-distance wireless communication connection between the active pen and the equipment where the touch screen is located according to the pairing information.
According to a third aspect of the embodiments of the present invention, there is also provided an active pen, including: the first wireless transceiver is used for sending a connection triggering signal to the touch screen, wherein the connection triggering signal is used for triggering the establishment of the close range wireless communication connection between the active pen and the equipment where the touch screen is located; the first wireless transceiver is further configured to receive a first request sent by the touch screen according to the trigger signal and send the first request to a first short-range wireless communication unit for processing, wherein the first request is used for requesting identification information of the active pen; the first wireless transceiver is further configured to obtain identification information of the active pen from the first short-range wireless communication unit according to the first request, and send the identification information of the active pen to the touch screen; the first wireless transceiver is further configured to receive a second request fed back by the touch screen according to the identification information and send the second request to the first short-distance wireless communication unit for processing, wherein the second request is used for requesting pairing information of the active pen for short-distance wireless communication; the first wireless transceiver is further configured to obtain the pairing information of the active pen from the first short-distance wireless communication unit according to the second request, and send the pairing information of the active pen to the touch screen, so that the first short-distance wireless communication unit establishes short-distance wireless communication connection with the device where the touch screen is located.
According to a fourth aspect of the embodiments of the present invention, there is also provided a touch screen, including: the second wireless transceiver is used for receiving a connection trigger signal sent by an active pen, wherein the connection trigger signal is used for triggering the establishment of the close-range wireless communication connection between the active pen and the equipment where the touch screen is located; the touch screen is also used for acquiring identification information of the active pen through a first request according to the connection trigger signal and sending the identification information to a processor of the equipment where the touch screen is located; after the processor determines that the close-range wireless communication connection between the active pen and the equipment where the touch screen is located is not established according to the identification information, the second wireless transceiver sends a second request to the active pen to acquire pairing information of the close-range wireless communication of the active pen, the pairing information is sent to a second close-range wireless communication unit of the equipment where the touch screen is located through the processor, and the close-range wireless communication connection between the active pen and the equipment where the touch screen is located is established through the second close-range wireless communication unit.
According to a fifth aspect of the embodiments of the present invention, there is also provided a near field communication connection system including: the electronic device and the active pen of the third aspect, wherein the electronic device comprises a processor, a second short-range wireless communication unit, and the touch screen of the fourth aspect; the processor is used for acquiring identification information of the active pen from the touch screen, sending a request message to the touch screen when the electronic equipment and the active pen are determined not to be in close-range wireless communication connection according to the identification information, and requesting pairing information of the active pen for close-range wireless communication through the request message; the processor is further configured to obtain a response message of the active pen to the request message from the touch screen, obtain the pairing information of the active pen from the response message, and establish a short-range wireless communication connection between the electronic device and the active pen through the second short-range wireless communication unit according to the pairing information.
According to the near field communication connection scheme provided by the embodiment of the invention, the active pen sends a connection trigger signal when approaching or contacting the touch screen so as to trigger the establishment of the near field communication connection between the active pen and the equipment where the touch screen is located, wherein the active pen, the touch screen and the equipment where the touch screen is located have a near field communication function; then, the active pen sends the identification information of the active pen to the touch screen according to the request (namely, the first request) of the touch screen; and then, receiving a second request returned by the touch screen according to the identification information, and sending pairing information used for short-distance wireless communication of the active pen to the touch screen by the active pen according to the second request so as to establish short-distance wireless communication connection between the active pen and the equipment where the touch screen is located according to the pairing information.
On one hand, according to the scheme provided by the embodiment of the invention, when the first connection operation is carried out between the devices, the automatic interaction between the active pen and the touch screen can be realized according to the connection trigger signal of the active pen, so that the touch screen and the device where the touch screen is located obtain the pairing information for establishing the short-distance wireless communication connection, and the first pairing connection between the devices is realized; on the other hand, the touch screen and the equipment where the touch screen is located can directly obtain the pairing information from one side of the active pen, and then the pairing connection between the equipment where the touch screen is located and the active pen is carried out according to the pairing information, the equipment needing to be connected does not need to be determined from the multiple pieces of equipment, the connection error when the equipment is renamed can be effectively avoided, and the efficiency of the pairing connection is improved.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a flowchart illustrating a method for connecting a short-range wireless communication according to a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for connecting a short-range wireless communication according to a second embodiment of the present invention;
FIG. 3 is a timing diagram illustrating a method for connecting a short-range wireless communication according to a third embodiment of the present invention;
FIG. 4 is a block diagram of an active pen according to a fourth embodiment of the present invention;
fig. 5 is a schematic diagram of a structure of a touch screen and a relationship between the structure and other structures in a device according to a fifth embodiment of the present invention;
fig. 6 is a schematic structural diagram of a near field communication connection system according to a sixth embodiment of the invention.
In order to make the objects, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the embodiments of the present invention.
Example one
Referring to fig. 1, a flowchart illustrating steps of a method for short-range wireless communication connection according to a first embodiment of the present invention is shown.
The present embodiment describes a near field communication connection method provided by the present invention from the active pen side. The near field communication connection method of the embodiment includes the following steps:
step S102: and the active pen sends a connection trigger signal to the touch screen.
The connection triggering signal is used for triggering and establishing the short-distance wireless communication connection between the active pen and the equipment where the touch screen is located. In the embodiment of the invention, both the active pen and the touch screen have a short-distance wireless communication function, and the function can be realized by a person skilled in the art in any appropriate mode according to actual requirements.
In practice, the connection trigger signal may be any suitable trigger signal suitable for use with an active pen, including but not limited to: pulse signal, set characters, set numbers, set shapes. For example, when the active pen is at a certain distance from the touch screen or contacts the touch screen, a code printing signal (a pulse signal for sending information) is emitted, and the active pen can utilize the signal to realize connection triggering to trigger the active pen and the touch screen to perform the pairing connection process of the embodiment; or, after the active pen writes the shape of the set character on the touch screen, triggering the active pen and the touch screen to perform the pairing connection process of the embodiment; or, after the active pen writes the set data on the touch screen, triggering the active pen and the touch screen to perform the pairing connection process of the embodiment; or, after the active pen draws a set shape on the touch screen, the active pen and the touch screen are triggered to perform the pairing connection process of the embodiment. The setting characters, the setting data and the setting shapes can be set properly by those skilled in the art according to actual requirements, and the embodiment of the invention is not limited thereto. Wherein setting characters includes but is not limited to: setting Chinese characters and foreign characters; setting shapes include, but are not limited to: circular, rectangular, triangular, irregular, straight, regular or irregular curved, and the like. The performance of the active pen is utilized to the greatest extent in a pulse mode, the implementation cost is reduced, and the implementation process is simplified; through the mode of setting characters, setting numbers or setting shapes, the user can trigger and operate conveniently, the user can control the connection triggering time, and the user experience is improved.
In an optional mode, the active pen can send a connection trigger signal to the touch screen through the pen point, the pen point is a part of the active pen, the connection trigger signal is sent to the touch screen through the pen point, the structure of the active pen is effectively utilized, the scheme implementation cost is saved, and the utilization efficiency of the active pen is improved. But not limited to this, in practical applications, those skilled in the art may also use other structural or functional modules of the active pen to implement the sending of the connection trigger signal according to actual needs.
In this embodiment, the short-range wireless communication connection includes, but is not limited to: bluetooth connection, NFC connection, hotknottconnection, etc.
Step S104: and the active pen receives a first request sent by the touch screen according to the trigger signal.
Wherein the first request is for requesting identification information of an active pen.
After receiving a connection triggering signal of the active pen, which requires to establish the short-distance wireless communication connection, the touch screen sends a first request to the active pen to request to obtain the identification information of the active pen, so that preparation is provided for subsequently establishing the short-distance wireless communication connection.
Step S106: the active pen sends identification information of the active pen to the touch screen according to the first request, and receives a second request fed back by the touch screen according to the identification information.
Wherein the second request is for requesting pairing information of the active pen for the proximity wireless communication.
The identification information of the active pen may be any appropriate information that can uniquely identify the active pen. After receiving the identification information of the active pen, the touch screen can judge whether the close-range wireless communication connection is established with the active pen according to the identification information. If not, a second request is sent to the active pen. When the devices are connected for the first time, the touch screen can request the active pen for pairing information for short-distance wireless communication so as to realize pairing and subsequent communication connection between the devices.
In one possible approach, this step can be implemented as: the active pen sends identification information of the active pen to the touch screen according to the first request, the identification information is sent to a service process of equipment where the touch screen is located through the touch screen, and whether the close-range wireless communication connection is established between the active pen and the equipment where the touch screen is located is determined by the service process according to the identification information; and further, receiving a second request fed back by the touch screen, wherein the second request is generated when the service process feeds back that the close range wireless communication connection between the active pen and the equipment where the touch screen is located is not established.
Most touch screens at present are limited by hardware performance, and the operation of judging whether the close-range wireless communication connection is established between the active pen and the equipment where the touch screen is located can be given to the service process of the equipment where the touch screen is located, so that the operation burden of the touch screen cannot be increased, and the service process of the equipment where the touch screen is located can be quickly and accurately judged. Without limitation, if the touch screen itself is capable of sufficiently supporting the determination, the determination may be performed by the touch screen itself, e.g., by a touch screen driver of the touch screen, etc.
Optionally, the active pen can send the identification information of the active pen to the touch screen through the pen point, so that the structure of the active pen is effectively utilized, the scheme implementation efficiency is improved, and the implementation cost is saved.
Step S108: and the active pen sends pairing information used for short-distance wireless communication of the active pen to the touch screen according to the second request so as to establish short-distance wireless communication connection with the equipment where the touch screen is located.
The active pen sends the pairing information to the touch screen, and the touch screen performs subsequent operation according to the pairing information, so that near field communication connection between the active pen and the device where the touch screen is located is achieved.
In a feasible manner, the active pen sends the pairing information to the touch screen according to a second request; and receiving connection information generated according to the pairing information from the touch screen, pairing the device where the touch screen is located according to the connection information, and establishing close range wireless communication connection with the device where the touch screen is located after pairing is successful. Optionally, the connection information may carry pairing information of the device where the touch screen is located, the pairing information being used for short-range wireless communication.
Optionally, the active pen can send pairing information of the active pen to the touch screen through the pen point, so that the structure of the active pen is effectively utilized, the scheme implementation efficiency is improved, and the implementation cost is saved.
In addition, corresponding modes such as a connection mode and a working mode can be preset for the active pen. When the active pen is in a connection mode, interacting with the touch screen and sending related information for establishing the short-distance wireless communication connection to the touch screen; when the active pen is in a working mode, corresponding signals, such as high-voltage driving signals, can be mainly sent to the touch screen, so that the functions of the active pen as a pen, such as writing, clicking and the like, are realized.
In this case, the active pen switches to the connection mode, and sends the pairing information of the active pen to the touch screen according to the second request. And after the active pen sends the pairing information of the active pen to the touch screen according to the second request so as to establish close-range wireless communication connection with the equipment where the touch screen is located, the active pen is switched to a working mode and interacts with the touch screen through a high-voltage driving signal. By setting the connection mode and the working mode, the operation of the active pen can be effectively distinguished, and the touch screen is convenient to easily identify signals sent by the active pen.
In addition, it should be noted that the touch screen is provided with a touch screen drive, and the operations related to the touch screen in the above process can be realized by the touch screen drive, that is, the active pen interacts with the touch screen drive of the touch screen to realize corresponding short-distance wireless communication connection. The touch screen driver can be a functional module burned in the touch screen chip, or can be a functional module independent of the touch screen chip.
According to the scheme provided by the embodiment, the active pen sends a connection triggering signal when approaching or contacting the touch screen so as to trigger the establishment of the near-distance wireless communication connection between the active pen and the equipment where the touch screen is located, wherein the active pen, the touch screen and the equipment where the touch screen is located all have a near-distance wireless communication function; then, the active pen sends the identification information of the active pen to the touch screen according to the request (namely, the first request) of the touch screen; and then, receiving a second request returned by the touch screen according to the identification information, and sending pairing information used for short-distance wireless communication of the active pen to the touch screen by the active pen according to the second request so as to establish short-distance wireless communication connection between the active pen and the equipment where the touch screen is located according to the pairing information.
On one hand, according to the scheme provided by the embodiment, when the first connection operation is performed between the devices, the automatic interaction between the active pen and the touch screen can be realized according to the connection trigger signal of the active pen, so that the touch screen and the device where the touch screen is located obtain the pairing information for establishing the short-distance wireless communication connection, the first pairing connection between the devices is realized, the user does not need to participate in the process, the user operation is simplified, and the operation burden of the user is reduced; on the other hand, the touch screen and the equipment where the touch screen is located can directly obtain the pairing information from one side of the active pen, and then pairing connection between the equipment where the touch screen is located and the active pen is carried out according to the pairing information, the equipment needing to be connected is not required to be determined from a plurality of pieces of equipment, connection errors during renaming of the equipment can be effectively avoided, and the efficiency of pairing connection is improved.
Example two
Referring to fig. 2, a flowchart illustrating steps of a method for short-range wireless communication connection according to a second embodiment of the present invention is shown.
The present embodiment describes a short-range wireless communication connection method provided by the present invention from the touch panel side. The near field communication connection method of the embodiment includes the following steps:
step S202: the touch screen receives a connection trigger signal sent by the active pen.
The connection triggering signal is used for triggering and establishing the short-distance wireless communication connection between the active pen and the equipment where the touch screen is located. In this embodiment, the short-range wireless communication connection includes, but is not limited to: bluetooth connection, NFC connection, hotknottconnection, etc.
As described in embodiment one, the connection trigger signal may be any suitable signal, including but not limited to: pulse signal, set characters, set numbers, set shapes.
Optionally, the active pen may send a connection trigger signal to the touch screen through the pen tip, that is, the touch screen receives the connection trigger signal sent by the active pen through the pen tip, so as to effectively utilize the structure of the active pen, improve the scheme implementation efficiency, and save the implementation cost.
Step S204: the touch screen acquires identification information of the active pen through the first request according to the connection trigger signal.
The touch screen sends a first request to the active pen after receiving a connection trigger signal sent by the active pen, wherein the first request is used for requesting to obtain identification information of the active pen. And after receiving the first request, the active pen sends the identification information of the active pen to the touch screen.
The identification information of the active pen can be any appropriate identification information, and the active pen can be uniquely identified so as to be convenient for identification.
Step S206: and the touch screen determines that the close range wireless communication connection between the active pen and the equipment where the touch screen is located is not established according to the identification information.
In a feasible manner, the touch screen can send the identification information to a service process of the device where the touch screen is located and receive feedback information of the service process, wherein the feedback information is used for indicating whether the active pen and the device where the touch screen is located establish close range wireless communication connection; and according to the feedback information, determining that the short-distance wireless communication connection between the active pen and the equipment where the touch screen is located is not established.
Most touch screens at present are limited by hardware performance, and the operation of judging whether the close-range wireless communication connection is established between the active pen and the equipment where the touch screen is located can be given to the service process of the equipment where the touch screen is located, so that the operation burden of the touch screen cannot be increased, and the service process of the equipment where the touch screen is located can be quickly and accurately judged. Without limitation, if the touch screen itself is capable of sufficiently supporting the determination, the determination may be performed by the touch screen itself, e.g., by a touch screen driver of the touch screen, etc.
Step S208: and the touch screen sends a second request to the active pen to acquire the pairing information of the short-distance wireless communication of the active pen.
When the device where the touch screen is located is determined not to be in close-range wireless communication connection with the active pen, that is, when the connection is the first connection, the touch screen sends a second request to the active pen, wherein the second request is used for requesting to obtain pairing information of the active pen and used for close-range wireless communication. And after receiving the second request, the active pen sends response information to the touch screen, carries the pairing information in the response information and sends the response information to the touch screen.
Step S210: and the touch screen establishes the short-distance wireless communication connection between the active pen and the equipment where the touch screen is located according to the pairing information.
After the pairing information of the active pen is obtained, the touch screen sends the pairing information to the equipment where the touch screen is located, and then the equipment where the touch screen is located is started to establish close-range wireless communication connection with the active pen. In one implementation, the touch screen may also send pairing information of the device where the touch screen is located to the active pen to connect with the active pen in a smooth manner.
In addition, it should be noted that the touch screen is provided with a touch screen driver, and the above processes can be realized by the touch screen driver, that is, the touch screen driver of the touch screen interacts with the active pen and the service process to realize corresponding short-distance wireless communication connection. The touch screen driver can be a functional module burned in the touch screen chip, or can be a functional module independent of the touch screen chip.
According to the scheme provided by the embodiment, after receiving the connection trigger signal sent by the active pen, the touch screen interacts with the active pen to acquire corresponding information in the active pen, so that the close-range wireless communication connection between the device where the touch screen is located and the active pen is established. On one hand, according to the scheme provided by the embodiment, when the first connection operation is performed between the devices, the automatic interaction between the active pen and the touch screen can be realized according to the connection trigger signal of the active pen, so that the touch screen and the device where the touch screen is located obtain the pairing information for establishing the short-distance wireless communication connection, the first pairing connection between the devices is realized, the user does not need to participate in the process, the user operation is simplified, and the operation burden of the user is reduced; on the other hand, the touch screen can directly obtain the pairing information from one side of the active pen, and then pairing connection between the equipment where the touch screen is located and the active pen is carried out according to the pairing information, the equipment needing to be connected is not required to be determined from a plurality of pieces of equipment, connection errors during renaming of the equipment can be effectively avoided, and the efficiency of pairing connection is improved.
EXAMPLE III
Referring to fig. 3, a timing diagram of a near field communication connection method according to a third embodiment of the present invention is shown.
The embodiment describes the short-range wireless communication connection method provided by the invention in a specific example form from the interaction angle of the active pen, the touch screen and the device where the touch screen is located.
The near field communication connection method of the embodiment includes the following steps:
step S302: and a pen point of the active pen is close to the touch screen, and a coding signal is sent to the touch screen drive.
In this embodiment, taking the active pen as a bluetooth active pen as an example, the bluetooth active pen integrates a short-range wireless communication function, which is specifically a bluetooth function in this embodiment, but is not limited to this, and the short-range wireless communication function may also be an NFC function, a hotknottot function, or other suitable short-range wireless communication functions.
Specifically, in the embodiment, the bluetooth active pen is an independent device, a pen point of the bluetooth active pen can directly perform signal interaction with other devices such as a touch screen of a notebook computer, and the bluetooth device at the tail end of the bluetooth active pen can be interconnected with the bluetooth of the notebook computer to realize information interaction. In this embodiment, the bluetooth active pen may further automatically connect the bluetooth device on the pen with the notebook computer, and the active pen serves as a sending end of information and is responsible for transmitting the relevant information of the bluetooth device on the pen to the touch screen through the pen point.
A touch screen is a component of an electronic device, such as a notebook computer, which can respond to touch events of various media, such as a hand, a pen, etc., and provide coordinate information for an operating system. The touch screen in this embodiment is integrated with a near field communication function, which is specifically a bluetooth function in this embodiment, but the near field communication function may also be an NFC function or a hotspot function. In one connection, the near field communication functions of the active pen and the touch screen are the same, and if the functions are Bluetooth, the active pen and the touch screen have the same functions. In the scheme of the embodiment, the capability of the touch screen for information interaction with the active pen is effectively utilized, and the touch screen is used as an information receiving end to receive identification information from the active pen, such as an equipment identification code, Bluetooth information of the active pen and the like.
The pen point of the active pen is used for coding through a near field communication technology of transmitting codes through the pen point, and in the embodiment, the active pen sends a coding signal to the touch screen through the technology.
But not limited to, a way of sending a code signal, the short-range wireless communication connection scheme of the embodiment also supports customizing a plurality of gestures in an automatic connection process, so as to enrich the operation experience of the user.
For example, the short-distance wireless communication connection between the active pen and the touch screen is realized by adopting a gesture connection mode. For example, when the active pen draws a designated simple figure on the touch screen, for example, draws a letter "O", the touch screen notifies a service process of a system service layer of the device where the touch screen is located, the active pen performs pairing operation, the service process acquires information of the currently connected bluetooth device and matches the information of the currently connected bluetooth device with the information of the currently connected bluetooth device, and if the information of the currently connected bluetooth device matches the information of the currently connected bluetooth device, the active pen directly displays that the active pen is connected on the desktop. If no matched information is found, the service process informs the active pen of entering a broadcasting mode through the touch screen, then the service process opens a Bluetooth searching function of the system, finds a device which is consistent with the Bluetooth information of the active pen in the searched Bluetooth devices, and then completes the pairing action with the device. If the pairing work is not completed at the set time T1, a connection failure may be displayed at the desktop. In the whole process, only one letter O needs to be drawn on the touch screen by the active pen.
For another example, the close-range wireless communication connection between the active pen and the touch screen can be disconnected by adopting a gesture disconnection mode. For example, if a disconnection is desired, the active pen need only draw another designated simple graphic, such as the letter "C". And after recognizing the graph, the touch screen sends a disconnection command to a service process of system service of the equipment where the touch screen is located, and the service process automatically disconnects and displays the disconnection on a desktop according to the acquired Bluetooth information.
In addition, in the embodiment, a touch screen driver of the touch screen is used, so that the touch screen driver is responsible for the interaction with the service process of the device where the touch screen is located and the pen point, and on one hand, the touch screen driver sends a request to the pen point and receives various information transmitted by the pen point; on the other hand, the Bluetooth information on the pen is transmitted to the service process by interacting with the service process.
Step S304: the touch screen drive receives a code printing signal sent by the active pen, and sends a request message to the active pen to request the pen identification code of the active pen.
When the active pen approaches the touch screen, the touch screen driver learns of the event and sends a request message to the active pen requesting the pen identification code.
Step S306: and after receiving the request message sent by the touch screen drive, the active pen transmits the pen identification code to the touch screen drive.
Step S308: and after receiving the pen identification code, the touch screen drive judges whether the pen identification code is connected with the active pen.
Step S310: and under the condition that the touch screen driver is not connected with the active pen, the touch screen driver informs a service process of the equipment where the touch screen is located and transmits the identification code to the service process.
The service process resides on the device where the touch screen is located, such as a notebook computer, and can monitor various information uploaded by the touch screen drive and complete the pairing or disconnection operation of the Bluetooth.
Step S312: the service process judges whether the relevant information of the active pen is stored or not according to the pen identification code, if so, the stored Bluetooth information is directly used for Bluetooth connection, and if not, the step S314 is executed.
Step S314: the service process sends a request to the touch screen driver to request the bluetooth information of the active pen.
Step S316: the touch screen driver sends a request for bluetooth information to the active pen.
Step S318: after receiving the request, the active pen prepares the Bluetooth information and switches the pen point to a connection mode.
Step S320: the active pen sends the relevant bluetooth information to the touch screen drive.
Step S322: and the touch screen drive carries out information verification on the acquired Bluetooth information, transmits the Bluetooth information to the service process after the verification is passed, and simultaneously sends a stop mark to the active pen.
For example, the data carried in the bluetooth information is checked and judged to check whether the acquired bluetooth information is complete, and the like.
Step S324: and after receiving the Bluetooth information, the service process records the Bluetooth information, and opens the Bluetooth equipment of the equipment where the touch screen is located so as to be in Bluetooth connection with the active pen.
Step S326: the touch screen drive records the connection state.
Step S328: and completing the pairing operation of the active pen and the equipment where the touch screen is located, and establishing the Bluetooth connection of the active pen and the equipment where the touch screen is located.
After the touch panel driver transmits the stop flag to the active pen in step S322, the active pen receives the stop flag and switches the pen point back to the operating mode.
Through this embodiment, when the nib of initiative pen contacts the touch-sensitive screen, near field communication function can all be opened to nib and touch-sensitive screen, and when the nib left the touch-sensitive screen, near field communication can be closed. When the active pen is connected with the touch screen through the short-distance wireless communication function, the active pen can send the unique identification code to the touch screen. If the identification code exists in the service process, the active pen is connected with the touch screen, basic information of the Bluetooth device of the active pen can be found in the service process through the identification code, and then connection and pairing operation are carried out; if the identification code does not exist in the service process, the touch screen requests the active pen for basic information of the Bluetooth device, and after receiving the request, the active pen sends the Bluetooth information to the touch screen and finally transmits the Bluetooth information to the service process for completing Bluetooth connection operation.
Therefore, through the embodiment, the pairing operation process of the Bluetooth active pen and the computer can be greatly simplified, the user intervention is not needed, the opening, scanning, selecting and pairing operation of the Bluetooth equipment are automatically completed, and a simple, quick and accurate equipment connection solution is provided for the user.
Example four
Referring to fig. 4, there is shown a block diagram of an active pen according to the present invention.
The active pen of this embodiment includes a first wireless transceiver 402 and a first short-range wireless communication unit 404. Wherein: a first wireless transceiver 402, configured to send a connection trigger signal to a touch screen, where the connection trigger signal is used to trigger establishment of a short-range wireless communication connection between the active pen and a device in which the touch screen is located; the first wireless transceiver 402 is further configured to receive a first request sent by the touch screen according to the trigger signal and send the first request to the first short-range wireless communication unit 404 for processing, where the first request is used to request identification information of the active pen; the first wireless transceiver 402 is further configured to obtain identification information of an active pen from the first short-range wireless communication unit 404 according to the first request, and send the identification information of the active pen to the touch screen; the first wireless transceiver 402 is further configured to receive a second request fed back by the touch screen according to the identification information, and send the second request to the first short-range wireless communication unit 404 for processing, where the second request is used to request pairing information of the active pen for short-range wireless communication; the first wireless transceiver 402 is further configured to obtain pairing information of the active pen from the first short-range wireless communication unit 404 according to the second request, and send the pairing information of the active pen to the touch screen, so that the first short-range wireless communication unit 404 establishes a short-range wireless communication connection with a device where the touch screen is located.
Optionally, the first wireless transceiver 402 is further configured to receive connection information generated according to the pairing information from the touch screen and send the connection information to the first short-range wireless communication unit 404, where the first short-range wireless communication unit 404 pairs with a device where the touch screen is located according to the connection information, and establishes a short-range wireless communication connection with the device where the touch screen is located after the pairing is successful.
Optionally, the first wireless transceiver 402 sends a connection trigger signal to the touch screen through a tip of the active pen; sending identification information of the active pen to the touch screen through the pen point; and sending the pairing information to the touch screen through the pen point.
Optionally, the connection trigger signal is: pulse signal, set characters, set numbers, set shapes.
Optionally, after the first wireless transceiver 402 sends the identification information of the active pen to the touch screen, the touch screen sends the identification information to a service process of the device where the touch screen is located, so that the service process determines whether the active pen and the device where the touch screen is located establish a short-distance wireless communication connection according to the identification information; the second request is generated when the service process feeds back that the close range wireless communication connection between the active pen and the equipment where the touch screen is located is not established.
Optionally, the first short-range wireless communication unit 404 is further configured to switch the active pen to a connection mode according to the second request, and simultaneously the first wireless transceiver 402 sends the pairing information of the active pen to the touch screen according to the second request.
Optionally, the active pen of this embodiment further includes a processor 406, configured to establish a short-range wireless communication connection between the active pen and the device where the touch screen is located, and interact with the touch screen through a high-voltage driving signal after the active pen is switched to the working mode.
The active pen of this embodiment is used to implement the corresponding near field communication connection method on one side of the active pen in the foregoing method embodiments, and has the beneficial effects of the corresponding method embodiments, which are not described herein again.
EXAMPLE five
Referring to fig. 5, a schematic diagram of a structure of a touch screen and a relationship between the structure and other structures in a device according to a fifth embodiment of the present invention is shown.
The touch screen of the embodiment includes: a second wireless transceiver 502, configured to receive a connection trigger signal sent by an active pen, where the connection trigger signal is used to trigger establishment of a short-range wireless communication connection between the active pen and a device where the touch screen is located; the touch screen is also used for acquiring identification information of the active pen through a first request according to the connection trigger signal and sending the identification information to a processor of the equipment where the touch screen is located; after the processor determines that the close-range wireless communication connection between the active pen and the device where the touch screen is located is not established according to the identification information, the second wireless transceiver 502 sends a second request to the active pen to acquire pairing information of the close-range wireless communication of the active pen, and sends the pairing information to a second close-range wireless communication unit of the device where the touch screen is located through the processor, and the close-range wireless communication connection between the active pen and the device where the touch screen is located is established by the second close-range wireless communication unit.
Optionally, the second wireless transceiver 502 sends the identification information to a service process of a processor of the device where the touch screen is located, and receives feedback information sent by the service process; and indicating whether the close range wireless communication connection is established between the active pen and the equipment where the touch screen is located or not according to the feedback information.
Optionally, the connection trigger signal is: pulse signal, set characters, set numbers, set shapes.
Optionally, the second wireless transceiver 502 receives a connection trigger signal sent by the active pen through the pen tip.
In one possible implementation, second wireless transceiver 502 may be used in conjunction with a touch screen driver, which drives second wireless transceiver 502 to perform the above-described functions.
The touch screen of this embodiment is used to implement the short-range wireless communication connection method on one side of the touch screen in the foregoing method embodiments, and has the beneficial effects of the corresponding method embodiments, which are not described herein again.
EXAMPLE six
Referring to fig. 6, a schematic structural diagram of a short-range wireless communication connection system according to a sixth embodiment of the present invention is shown.
The near field communication connection system of the present embodiment includes: an electronic device 602 and an active pen 604, wherein the electronic device 602 comprises a processor 6022, a touch screen 6024 and a second short-range wireless communication unit 6026.
The active pen 604 may be an active pen as described in embodiment four, and the touch screen 6024 may be a touch screen as described in embodiment five.
The processor 6022 of the electronic device 602 is configured to obtain the identification information of the active pen 604 from the touch screen 6024, and when it is determined that the electronic device 602 and the active pen 604 do not establish a short-range wireless communication connection according to the identification information, send a request message to the touch screen 6024, and request pairing information of the active pen 604 for short-range wireless communication through the request message; the processor 6022 is further configured to obtain a response message of the active pen 604 to the request message from the touch screen 6024, obtain the pairing information of the active pen 604 from the response message, and establish a short-range wireless communication connection between the electronic device 602 and the active pen 604 through the second short-range wireless communication unit 6026 according to the pairing information.
For example, the active pen 604 controls each structure in the active pen 604 through its processor, wherein the first wireless transceiver is controlled to transmit a connection trigger signal to the touch screen 6024, wherein the connection trigger signal is used for triggering the establishment of the short-range wireless communication connection between the active pen 604 and the electronic device 602; the touch screen 6024 receives a connection trigger signal sent by the active pen 604 through the second wireless transceiver, and requests to acquire the identification information of the active pen 604 through a first request according to the connection trigger signal; the active pen 604 receives a first request sent by the touch screen 6024 through a second wireless transceiver according to the trigger signal through a first wireless transceiver, acquires identification information of the active pen 604 from a first short-range wireless communication unit according to the first request, and sends the identification information of the active pen 604 to the touch screen 6024; the touch screen 6024 acquires the identification information of the active pen 604 through the second wireless transceiver, and sends the identification information to the processor 6022, so that the processor 6022 determines that the active pen 604 and the electronic device 602 do not establish the short-range wireless communication connection according to the identification information; the processor 6022 sends a request to the touch screen 6024 for acquiring pairing information of the active pen 604; the touch screen 6024 sends a second request to the active pen 604 through the second wireless transceiver according to the request, so as to obtain pairing information of the short-range wireless communication of the active pen 604; the active pen 604 receives a second request fed back by the touch screen 6024 according to the identification information through the first wireless transceiver, acquires pairing information of the active pen 604 from a first short-distance wireless communication unit, and sends the pairing information of the active pen 604 to the touch screen 6024; the touch screen 6024 receives the pairing information through the second wireless transceiver and transmits the pairing information to the processor 6022, and the processor 6022 establishes the short-range wireless communication connection of the active pen 604 and the electronic device 602 through the second short-range wireless communication unit 6026.
Therefore, through the near field communication connection system of the embodiment, the first near field communication connection between the active pen and the electronic equipment without the participation of the user can be realized, the user operation is simplified, and the operation burden of the user is reduced; and because the information interaction is more targeted, the connection error of the equipment during renaming can be effectively avoided, and the efficiency of pairing connection is improved.
The above-described embodiments of the apparatus are merely illustrative, wherein the modules described as separate parts may or may not be physically separate, and the parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions and/or portions thereof that contribute to the prior art may be embodied in the form of a software product that can be stored on a computer-readable storage medium including any mechanism for storing or transmitting information in a form readable by a computer (e.g., a computer). For example, a machine-readable medium includes Read Only Memory (ROM), Random Access Memory (RAM), magnetic disk storage media, optical storage media, flash memory storage media, electrical, optical, acoustical or other form of propagated signals (e.g., carrier waves, infrared signals, digital signals, etc.), and others, and the computer software product includes instructions for causing a computing device (which may be a personal computer, server, or network device, etc.) to perform the methods described in the various embodiments or portions of the embodiments.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, and not to limit the same; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (23)
- A method of near field wireless communication connectivity, comprising:the method comprises the steps that an active pen sends a connection trigger signal to a touch screen, wherein the connection trigger signal is used for triggering and establishing the close-range wireless communication connection between the active pen and equipment where the touch screen is located;receiving a first request sent by the touch screen according to the trigger signal, wherein the first request is used for requesting identification information of the active pen;sending identification information of the active pen to the touch screen according to the first request, and receiving a second request fed back by the touch screen according to the identification information, wherein the second request is used for requesting pairing information of the active pen for short-distance wireless communication;and sending the pairing information of the active pen to the touch screen according to the second request so as to establish close range wireless communication connection with the equipment where the touch screen is located.
- The method of claim 1, wherein the sending the pairing information of the active pen to the touch screen according to the second request to establish a short-range wireless communication connection with a device where the touch screen is located comprises:sending the pairing information to the touch screen according to the second request;and receiving connection information generated according to the pairing information from the touch screen, pairing the device where the touch screen is located according to the connection information, and establishing close range wireless communication connection with the device where the touch screen is located after pairing is successful.
- The method of claim 1, wherein,the sending of the connection trigger signal to the touch screen includes: sending a connection trigger signal to the touch screen through a pen point of the active pen;the sending the identification information of the active pen to the touch screen includes: sending identification information of the active pen to the touch screen through the pen point;the sending the pairing information to the touch screen includes: and sending the pairing information to the touch screen through the pen point.
- The method of any one of claims 1-3, wherein the connection trigger signal is: pulse signal, set characters, set numbers, set shapes.
- The method of any one of claims 1-4, wherein the sending identification information of the active pen to the touch screen according to the first request and receiving a second request fed back by the touch screen according to the identification information comprises:sending identification information of the active pen to the touch screen according to the first request, sending the identification information to a service process of the equipment where the touch screen is located through the touch screen, and determining whether the active pen and the equipment where the touch screen is located establish close range wireless communication connection or not according to the identification information by the service process;and receiving the second request fed back by the touch screen, wherein the second request is generated when the service process feeds back that the close range wireless communication connection between the active pen and the equipment where the touch screen is located is not established.
- The method of any of claims 1-5, wherein the sending the pairing information of the active pen to the touch screen in accordance with the second request comprises:and the active pen is switched to a connection mode, and the pairing information of the active pen is sent to the touch screen according to the second request.
- The method of claim 6, wherein after the sending the pairing information of the active pen to the touch screen to establish a short-range wireless communication connection with a device where the touch screen is located according to the second request, the method further comprises:the active pen is switched to a working mode and interacts with the touch screen through a high-voltage driving signal.
- A method of near field wireless communication connectivity, comprising:the method comprises the steps that a touch screen receives a connection trigger signal sent by an active pen, wherein the connection trigger signal is used for triggering and establishing the close-range wireless communication connection between the active pen and equipment where the touch screen is located;acquiring identification information of the active pen through a first request according to the connection trigger signal;according to the identification information, determining that the close range wireless communication connection between the active pen and the equipment where the touch screen is located is not established;sending a second request to the active pen to acquire pairing information of the close-range wireless communication of the active pen;and establishing short-distance wireless communication connection between the active pen and the equipment where the touch screen is located according to the pairing information.
- The method of claim 8, wherein the determining that the active pen has not established a short-range wireless communication connection with the device on which the touch screen is located according to the identification information comprises:sending the identification information to a service process of the equipment where the touch screen is located, and receiving feedback information of the service process, wherein the feedback information is used for indicating whether the active pen and the equipment where the touch screen is located establish close range wireless communication connection;and according to the feedback information, determining that the close range wireless communication connection between the active pen and the equipment where the touch screen is located is not established.
- The method of claim 8 or 9, wherein the connection trigger signal is: pulse signal, set characters, set numbers, set shapes.
- The method of any one of claims 8-10, wherein the touch screen receiving a connection trigger signal sent by an active pen comprises:the touch screen receives a connection trigger signal sent by the active pen through the pen point.
- An active pen, comprising:the first wireless transceiver is used for sending a connection triggering signal to the touch screen, wherein the connection triggering signal is used for triggering the establishment of the close range wireless communication connection between the active pen and the equipment where the touch screen is located;the first wireless transceiver is further configured to receive a first request sent by the touch screen according to the connection trigger signal and send the first request to a first short-range wireless communication unit, where the first request is used to request identification information of the active pen;the first wireless transceiver is further configured to obtain identification information of the active pen from the first short-range wireless communication unit according to the first request, and send the identification information of the active pen to the touch screen;the first wireless transceiver is further configured to receive a second request fed back by the touch screen according to the identification information and send the second request to the first short-distance wireless communication unit, where the second request is used to request pairing information of the active pen for short-distance wireless communication;the first wireless transceiver is further configured to obtain the pairing information of the active pen from the first short-distance wireless communication unit according to the second request, and send the pairing information of the active pen to the touch screen, so that the first short-distance wireless communication unit establishes short-distance wireless communication connection with the device where the touch screen is located.
- The active pen according to claim 12, wherein the first wireless transceiver is further configured to receive connection information generated according to the pairing information from the touch screen and send the connection information to the first short-range wireless communication unit, and the first short-range wireless communication unit pairs with the device where the touch screen is located according to the connection information and establishes a short-range wireless communication connection with the device where the touch screen is located after the pairing is successful.
- The active pen of claim 12,the first wireless transceiver sends a connection triggering signal to the touch screen through a pen point of the active pen; sending identification information of the active pen to the touch screen through the pen point; and sending the pairing information to the touch screen through the pen point.
- The active pen of any one of claims 12-14, wherein the connection trigger signal is: pulse signal, set characters, set numbers, set shapes.
- The active pen of any one of claims 12-15,after the first wireless transceiver sends the identification information of the active pen to the touch screen, the touch screen sends the identification information to a service process of the equipment where the touch screen is located, and the service process determines whether the active pen and the equipment where the touch screen is located establish close range wireless communication connection according to the identification information;the second request is generated when the service process feeds back that the close range wireless communication connection between the active pen and the equipment where the touch screen is located is not established.
- The active pen of any one of claims 12-16, wherein the first short-range wireless communication unit is further configured to switch the active pen to a connected mode according to the second request, while the first wireless transceiver transmits the pairing information of the active pen to the touch screen according to the second request.
- The active pen of claim 17, wherein the active pen further comprises:and the processor is used for establishing close range wireless communication connection between the active pen and the equipment where the touch screen is located, and interacting with the touch screen through a high-voltage driving signal after the active pen is switched to a working mode.
- A touch screen, comprising:the second wireless transceiver is used for receiving a connection trigger signal sent by an active pen, wherein the connection trigger signal is used for triggering the establishment of the close-range wireless communication connection between the active pen and the equipment where the touch screen is located; the touch screen is also used for acquiring identification information of the active pen through a first request according to the connection trigger signal and sending the identification information to a processor of the equipment where the touch screen is located;after the processor determines that the close-range wireless communication connection between the active pen and the equipment where the touch screen is located is not established according to the identification information, the second wireless transceiver sends a second request to the active pen to acquire pairing information of the close-range wireless communication of the active pen, the pairing information is sent to a second close-range wireless communication unit of the equipment where the touch screen is located through the processor, and the close-range wireless communication connection between the active pen and the equipment where the touch screen is located is established through the second close-range wireless communication unit.
- The touch screen of claim 19, wherein the second wireless transceiver transmits the identification information to a service process of a processor of a device in which the touch screen is located and receives feedback information transmitted by the service process; and indicating whether the close range wireless communication connection is established between the active pen and the equipment where the touch screen is located or not according to the feedback information.
- The touch screen of claim 19 or 20, wherein the connection trigger signal is: pulse signal, set characters, set numbers, set shapes.
- The touch screen of any one of claims 19-21, wherein the second wireless transceiver receives a connection trigger signal transmitted by an active pen through a stylus tip.
- A near field wireless communication connection system, comprising: an electronic device and an active pen according to any of claims 12-18, wherein the electronic device comprises a processor, a second short range wireless communication unit and a touch screen according to any of claims 19-22;the processor is used for acquiring identification information of the active pen from the touch screen, sending a request message to the touch screen when the electronic equipment and the active pen are determined not to be in close-range wireless communication connection according to the identification information, and requesting pairing information of the active pen for close-range wireless communication through the request message;the processor is further configured to obtain a response message of the active pen to the request message from the touch screen, obtain the pairing information of the active pen from the response message, and establish a short-range wireless communication connection between the electronic device and the active pen through the second short-range wireless communication unit according to the pairing information.
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CN113115294B (en) * | 2021-04-22 | 2022-05-03 | 荣耀终端有限公司 | Stylus pen connection method and Bluetooth system |
CN115604663A (en) * | 2021-07-08 | 2023-01-13 | Oppo广东移动通信有限公司(Cn) | Signal transmission method, information prompting method and device, and electronic equipment |
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