CN113448455B - Method for realizing shortcut key of electronic whiteboard and electronic whiteboard - Google Patents
Method for realizing shortcut key of electronic whiteboard and electronic whiteboard Download PDFInfo
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- CN113448455B CN113448455B CN202011028906.6A CN202011028906A CN113448455B CN 113448455 B CN113448455 B CN 113448455B CN 202011028906 A CN202011028906 A CN 202011028906A CN 113448455 B CN113448455 B CN 113448455B
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- control board
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
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- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention provides an electronic whiteboard shortcut key implementation method and an electronic whiteboard, wherein a secondary touch screen control board is added in the method and the electronic whiteboard; the auxiliary touch screen control board comprises a step of receiving touch coordinate data sent by the main control board; judging whether the shortcut key is touched or not by utilizing the touch coordinate position; and realizing the shortcut key function according to the shortcut key processing design. According to the invention, the shortcut key function is added into the existing electronic whiteboard without the shortcut key function, the original electronic whiteboard is not required to be modified, and the shortcut key function is realized by directly adding a secondary touch screen control board.
Description
Technical Field
The invention relates to the field of electronic whiteboards, in particular to an electronic whiteboard shortcut key implementation method and an electronic whiteboard.
Background
Electronic whiteboards are widely used in offices, conference rooms, classrooms. At present, the electronic whiteboard comprises a touch screen and a display screen which are overlapped, the display screen and a host computer of the electronic whiteboard form a relation between the host computer and a display, the touch screen is one of input devices of a computer system, the touch screen comprises another screen (the screen is also called a touch screen in many cases) overlapped with the display screen and a main control board (the main control board is touched) at present, the touch screen for the electronic whiteboard comprises an infrared touch screen, a resistance touch screen and a capacitance touch screen, when an object strokes (touches) on the touch screen, touch information such as information (the infrared touch screen) shielding infrared rays, information (the resistance touch screen) changing resistance, information (the capacitance screen) changing capacitance and the like is transmitted to the main control board through an interface, the touch information (touch data) is data sensed by a touch screen transmitting and receiving network, such as a capacitive touch screen, when the touch information is mainly that a finger touches a capacitive film, the capacitive film transmitting and receiving network senses the capacitance of the finger, the touch control board receives the capacitance value of the finger to judge the position of the finger to form touch input data, namely coordinates of a pointing point of the finger, at present, the touch action generally comprises the distribution of the point and the line by using a track tracking ID, the functions of touching, writing, scribing and the like are realized by the touch control board, the track tracking ID is transmitted to a host machine as an input signal of the host machine, and the host machine processes the input signal.
However, currently, such electronic whiteboards do not have a shortcut key entry capability. Therefore, in order to realize the shortcut key function, at present, many electronic whiteboard manufacturers have proposed an electronic whiteboard with the shortcut key function, for example, chinese patent application publication No. CN 103226409A discloses a method for realizing the function switching of the electronic whiteboard based on the shortcut key icon and the electronic whiteboard, and the method comprises the following steps:
a shortcut key icon selecting step, namely clicking and selecting corresponding shortcut key icons arranged on the electronic whiteboard according to the current operation;
an operation step, namely obtaining corresponding information realized by the shortcut key icons through operation;
a transmission step for transmitting the corresponding information to the operating system;
and a function switching step, wherein the electronic whiteboard obtains corresponding information through an operating system and performs corresponding function switching.
The electronic whiteboard comprises:
the shortcut key icons are used for clicking corresponding shortcut key icons arranged on the electronic whiteboard according to the current operation;
the operation module is used for obtaining corresponding information realized by the shortcut key icons through operation;
the transmission module is used for transmitting the corresponding information to the operating system;
and the function switching module is used for acquiring corresponding information by the electronic whiteboard software through the operating system and performing corresponding function switching.
The electronic whiteboard of the touch method comprises the following steps of:
the touch bottom layer divides the touch into a left part, a middle part, a right part, a left part, a right part, a short key and writing and touch in the middle.
Such disadvantages are: significant effort or money is required to design from the software base layer. The design time is long and the cost is high. New software also needs to be designed when different guests customize different shortcut functions. The adaptability is poor.
Disclosure of Invention
Aiming at the defects of the existing implementation method of the electronic whiteboard shortcut key, the implementation method of the electronic whiteboard shortcut key and the electronic whiteboard are provided.
The technical scheme for realizing the technical purpose of the invention is as follows: the method for realizing the shortcut key of the electronic whiteboard is provided with a secondary touch screen control board connected with a touch main control board; the method comprises the following steps:
a step of transmitting touch data by the touch main control board;
the auxiliary touch screen control board receives touch coordinate data sent by the main control board;
judging whether the shortcut key is touched by the auxiliary touch screen control board by utilizing the touch coordinate position;
if the shortcut key is touched, the auxiliary touch screen control panel utilizes the touch coordinate position and the shortcut function key processing design to realize the shortcut key function;
the auxiliary touch screen control board sends the shortcut key processing ID to the touch main control board, and the shortcut key processing ID is forwarded to the host computer by the touch main control board.
Further, the method for realizing the electronic whiteboard shortcut key comprises the following steps: the auxiliary touch screen control panel also comprises the following steps:
utilizing track tracking ID allocation to realize the functions of touching and writing and marking;
and sending the track tracking ID to the touch main control board, and forwarding the track tracking ID to the host by the touch main control board.
Further, the method for realizing the electronic whiteboard shortcut key comprises the following steps: the auxiliary touch screen control panel also comprises the following steps:
designing calibration positioning to realize calibration;
and transmitting the calibration ID data to the touch main control board, and forwarding the calibration ID data to the host computer by the touch main control board.
Further, the method for realizing the electronic whiteboard shortcut key comprises the following steps: the touch main control board comprises the following steps:
utilizing track tracking ID allocation to realize the functions of touching and writing and marking;
the track following ID is sent to the host.
Further, the method for realizing the electronic whiteboard shortcut key comprises the following steps: the touch main control board comprises the following steps:
designing calibration positioning to realize calibration;
the calibration ID data is sent to the host.
Further, the method for realizing the electronic whiteboard shortcut key comprises the following steps: when the touch main control board transmits data to the auxiliary touch screen control board, a serial port duplex communication mode is adopted, and the main control board comprises the step of converting touch coordinate data into serial port information.
The invention also provides an electronic whiteboard, which comprises a touch screen, a touch main control board, a host and a display; the touch information sensed by the touch screen is input into a main control board, the main control board is connected with a host, and the host is connected with a display; the utility model also comprises a secondary touch screen control board, the secondary touch screen control board is connected with the touch main control board in duplex communication, and the secondary touch screen control board comprises:
the data receiving device is used for receiving touch coordinate data sent by the main control board;
a judging device for judging whether the shortcut key is touched by utilizing the touch coordinate position;
and a device for realizing the shortcut key function according to the shortcut key processing design.
Further, in the electronic whiteboard described above: the main control board is connected with the auxiliary touch screen control board by adopting a serial port.
Further, in the electronic whiteboard described above: the touch screen is a capacitive touch screen.
According to the invention, the shortcut key function is added into the existing electronic whiteboard without the shortcut key function, the original electronic whiteboard is not required to be modified, the shortcut key function is realized by directly adding a secondary touch screen control board, and the secondary touch control board is designed on the basis of the general capacitor main board without the shortcut key function. Shortcut keys, positioning, touching and writing are designed on the auxiliary touch control panel.
The invention will be described in more detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a flowchart of a shortcut key implementation method in embodiment 1 of the present invention.
Fig. 2 is a block diagram of an electronic whiteboard structure according to embodiment 1 of the present invention.
Detailed Description
The embodiment is a shortcut key implementation method after adding a shortcut function to an existing electronic whiteboard, in this embodiment, the electronic whiteboard of a capacitive touch screen, as shown in fig. 1, the electronic whiteboard includes a touch screen, a touch main control board, a host computer and a display; the touch screen is a capacitive touch screen, the touch main control panel, the host and the display are general capacitive main control panels, host computers and displays of the capacitive touch screen electronic whiteboard without shortcut key functions at present, and the connection modes of the touch main control panels, the host computers and the display are common connection modes. The touch information sensed by the touch screen is input into a main control board, the main control board is connected with a host, and the host is connected with a display; in order to increase the shortcut key function in the common capacitive touch electronic whiteboard, the embodiment further comprises an auxiliary touch screen control board, wherein the auxiliary touch screen control board is connected with the main control board by adopting a serial port, and comprises:
the data receiving device is used for receiving touch coordinate data sent by the main control board;
a judging device for judging whether the shortcut key is touched by utilizing the touch coordinate position;
and a device for realizing the shortcut key function according to the shortcut key processing design.
As a touch control panel, the original function is that when touch information received by a touch main control panel of a touch screen is mainly that a finger touches a capacitive film, a transmitting and receiving net of the capacitive film senses the capacitance of the finger. And the touch control panel receives the capacitance value of the finger to judge the position of the finger.
The method also has the functions of realizing touch, writing scribing and the like by utilizing the trace tracking ID allocation. The method is an original module in the touch control panel, and realizes functions of touch, writing scribing and the like by utilizing trace tracking ID allocation.
The touch control panel is also provided with a module for designing calibration positioning and realizing calibration function, which is also an original module.
In this embodiment, a module for realizing functions such as touch, writing, and scribing by using track tracking ID allocation and a module for realizing a calibration function may also be provided in the auxiliary touch screen control board.
In fact, in the present embodiment, a secondary touch screen control board for processing a shortcut key is added to the existing capacitive touch screen electronic whiteboard, so that the touch main control board still completes the original function, only the processed touch information needs to be sent to the secondary touch screen control board through a serial port, after the method of implementing the shortcut key by the secondary touch screen control board, the processed shortcut key processing ID is sent to the touch main control board through the serial port, and the touch main control board forwards the processed shortcut key processing ID to the host, and the functions such as touching, writing and scribing, calibration functions and the like are still completed by the touch main control board. Of course, these functions may also be allocated to the secondary touch screen control board for implementation, with the serial port sending the track tracking ID and calibration ID to the touch master control board, which is then forwarded to the host by the touch master control board.
In this embodiment, the connection between the auxiliary touch screen control board and the computer, that is, the host computer, is realized through the main control board, and is not directly connected, and duplex serial port communication is provided between the auxiliary touch screen control board and the main control board. The functional data processed by the auxiliary touch screen control board is returned to the main control board, and then the functional data is transmitted to a host display and the like by the main control board.
In this embodiment, the implementation method of the shortcut key includes the following steps:
s1, touching the capacitive touch screen by an operator finger.
S2, sensing the capacitance of the finger by a transmitting and receiving net of the capacitive touch screen.
S3, the touch main control board receives the capacitance value of the finger to judge the position of the finger.
S4, the touch main control board receives the capacitance value of the finger to judge the position (coordinate) of the finger.
And S5, the touch main control board sends touch coordinate data formed by the touch data to the auxiliary touch screen control board.
And S6, the auxiliary touch screen control board receives touch coordinate data sent by the main control board.
S7, processing the received data by the auxiliary touch screen control panel comprises the following steps:
and 7.1, realizing functions of touch, writing scribing and the like by utilizing trace tracking ID allocation.
And 7.2, realizing the shortcut key function by utilizing the touch coordinate position and the shortcut key processing design.
And 7.3, designing calibration positioning by using serial port information, and realizing a calibration function.
In the sub touch screen control board: and according to the touch coordinate points, software processes data track tracking, realizes touch writing and scribing, and designs a shortcut key switch. By scaling, calibration process software is designed.
S8, the auxiliary touch screen control board directly sends the functional data formed by processing to the touch main control board, and the functional data is forwarded to the host computer by the touch main control board as shown in FIG. 1. The function data includes track following function data, shortcut processing function data, and calibration function data.
And S9, the host machine realizes corresponding functions according to the function data and displays the corresponding functions on the display.
In some other embodiments:
the method comprises the steps of realizing functions of touch, writing and scribing by using trace tracking ID allocation, designing calibration positioning by using serial port information, realizing calibration function directly on a touch main control board, namely, the calibration function is realized by the touch main control board in an electronic whiteboard without a shortcut key function, wherein the touch main control board sends touch coordinate data formed by touch data to a secondary touch screen control board, processes the data, and realizes functions of touch, writing and scribing by using trace tracking ID allocation, and the like, and designs calibration positioning by using serial port information, so as to realize calibration function, and the secondary touch screen control board only uses the touch coordinate position to judge whether the shortcut key is touched, if the shortcut key is touched, the shortcut key function is realized by using the touch coordinate position and the shortcut function key processing design. And the functional data formed by processing is directly sent to the touch main control board, and is forwarded to the host by the touch main control board.
Claims (7)
1. A method for realizing an electronic whiteboard shortcut key is characterized by comprising the following steps: the electronic whiteboard comprises a touch screen and a display screen which are overlapped, a secondary touch screen control board connected with the touch main control board by adopting a serial port is arranged, and the touch main control board is connected with the host; the method comprises the following steps:
a step of sensing the capacitance of the finger by a transmitting and receiving network of the touch screen;
the touch main control board receives the capacitance value of the finger and judges the position of the finger;
a step of transmitting touch data by the touch main control board; in the step, the touch main control board forms touch coordinate data by touch data and sends the touch coordinate data to the auxiliary touch screen control board;
the auxiliary touch screen control board receives touch coordinate data sent by the main control board;
judging whether the shortcut key is touched by the auxiliary touch screen control board by utilizing the touch coordinate position; in the step, the auxiliary touch screen control board also utilizes the track tracking ID to distribute, realizes the functions of touching, writing and marking, and utilizes serial port information to design calibration and positioning, and realizes the calibration function;
if the shortcut key is touched, the auxiliary touch screen control panel utilizes the touch coordinate position and the shortcut function key processing design to realize the shortcut key function;
the auxiliary touch screen control board sends the shortcut key processing ID to the touch main control board, and the shortcut key processing ID is forwarded to the host computer by the touch main control board.
2. The method for realizing the shortcut key to the electronic whiteboard according to claim 1, wherein: the touch main control board comprises the following steps:
utilizing track tracking ID allocation to realize the functions of touching and writing and marking;
the track following ID is sent to the host.
3. The method for realizing the shortcut key to the electronic whiteboard according to claim 1, wherein: the touch main control board comprises the following steps:
designing calibration positioning to realize calibration;
the calibration ID data is sent to the host.
4. A method for implementing an electronic whiteboard shortcut according to any one of claims 1 to 3, wherein: when the touch main control board transmits data to the auxiliary touch screen control board, a serial port duplex communication mode is adopted, and the main control board comprises the step of converting touch coordinate data into serial port information.
5. An electronic whiteboard according to the method of claim 1, comprising a touch screen, a touch panel, a host computer, a display; the touch information sensed by the touch screen is input into a touch main control board, the touch main control board is connected with a host, and the host is connected with a display; the method is characterized in that: the utility model also comprises a secondary touch screen control board, the secondary touch screen control board is connected with the touch main control board in duplex communication, and the secondary touch screen control board comprises:
the data receiving device is used for receiving touch coordinate data sent by the touch main control board;
a judging device for judging whether the shortcut key is touched by utilizing the touch coordinate position;
and a device for realizing the shortcut key function according to the shortcut key processing design.
6. The electronic whiteboard of claim 5, wherein: the touch main control board is connected with the auxiliary touch screen control board by adopting a serial port.
7. The electronic whiteboard of claim 5 or 6, wherein: the touch screen is a capacitive touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011028906.6A CN113448455B (en) | 2020-09-27 | 2020-09-27 | Method for realizing shortcut key of electronic whiteboard and electronic whiteboard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011028906.6A CN113448455B (en) | 2020-09-27 | 2020-09-27 | Method for realizing shortcut key of electronic whiteboard and electronic whiteboard |
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| CN113448455A CN113448455A (en) | 2021-09-28 |
| CN113448455B true CN113448455B (en) | 2023-09-01 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676844A (en) * | 2008-09-18 | 2010-03-24 | 联想(北京)有限公司 | Processing method and apparatus for information input from touch screen |
| CN101944001A (en) * | 2010-09-29 | 2011-01-12 | 广东威创视讯科技股份有限公司 | Simulated keyboard device and implementation method thereof |
| CN104661066A (en) * | 2015-02-06 | 2015-05-27 | 北京誉信优能信息科技有限公司 | Multi-point floating touch remote control device and remote control method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6364893B2 (en) * | 2014-04-01 | 2018-08-01 | 日本電気株式会社 | Terminal device, electronic whiteboard system, electronic whiteboard input support method, and program |
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- 2020-09-27 CN CN202011028906.6A patent/CN113448455B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676844A (en) * | 2008-09-18 | 2010-03-24 | 联想(北京)有限公司 | Processing method and apparatus for information input from touch screen |
| CN101944001A (en) * | 2010-09-29 | 2011-01-12 | 广东威创视讯科技股份有限公司 | Simulated keyboard device and implementation method thereof |
| CN104661066A (en) * | 2015-02-06 | 2015-05-27 | 北京誉信优能信息科技有限公司 | Multi-point floating touch remote control device and remote control method thereof |
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