CN113552976A - Control system and method of electromagnetic touch display device - Google Patents
Control system and method of electromagnetic touch display device Download PDFInfo
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- CN113552976A CN113552976A CN202110877204.3A CN202110877204A CN113552976A CN 113552976 A CN113552976 A CN 113552976A CN 202110877204 A CN202110877204 A CN 202110877204A CN 113552976 A CN113552976 A CN 113552976A
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- 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
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04162—Control or interface arrangements specially adapted for digitisers for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware
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Abstract
The application relates to a control system and a method of an electromagnetic touch display device, which comprises the following steps: acquiring a screen capture signal; acquiring a handwriting image currently displayed by the display screen module according to the screen capture signal; sending the handwriting image to a storage module; and sending a recovery signal to the display screen module, and recovering the initial image by the display screen module according to the recovery signal. The method and the device have the effect of improving convenience when the user needs to call the earlier-stage exercise brush copybook in the later stage.
Description
Technical Field
The present disclosure relates to the field of smart manufacturing, and in particular, to a control system and method for an electromagnetic touch display device.
Background
The existing electromagnetic touch display device mainly has two implementation modes: one is that an electromagnetic induction antenna is added behind a display screen of a display screen device with touch control or a backlight source of the display screen; and the other is that an electromagnetic induction antenna array is additionally arranged in the antenna array of the touch sensor.
Common display screen touch devices in the market are generally classified into resistive touch, capacitive touch and electromagnetic pen touch; resistance-type touch control is eliminated in many fields due to poor stability, sensitivity and operation experience; the sensitivity of capacitive touch is high, the operation is convenient and fast, the hand touch experience is good, but the pen touch speed and the resolution ratio are low; the electromagnetic pen has high touch pen speed and resolution, and has real original handwriting writing function.
For the related technologies, the inventor believes that, because the interface size of the display screen is limited, when a user needs to practice a brush pen copybook by using the display touch device, the user needs to clear the existing content on the current display screen before a new brush pen copybook can be practiced; the part of the brush pen copybook which is trained by the user cannot be stored, so that the convenience of the user in the later period when the brush pen copybook which is trained in the earlier period needs to be called is reduced.
Disclosure of Invention
In order to improve convenience when a user needs to call a writing brush copybook which is exercised in the early stage in the later stage, the application provides a control system and method of an electromagnetic touch display device.
In a first aspect, the present application provides a control method for an electromagnetic touch display device, which adopts the following technical scheme:
a control method of an electromagnetic touch display device comprises the following steps:
acquiring a screen capture signal;
acquiring a handwriting image currently displayed by the display screen module according to the screen capture signal;
sending the handwriting image to a storage module;
and sending a recovery signal to the display screen module, and recovering the initial image by the display screen module according to the recovery signal.
By adopting the technical scheme, when a user needs to switch a brand-new display area of the display screen module, the handwriting image screenshot of the current user who has finished practicing can be saved in the storage module, and then the handwriting image in the current display area is cleared and then is restored to the initial image state without practicing traces, so that the user can continue to use the display screen module to practice the copybook of the brush calligraphy, and meanwhile, the user can call the handwriting image in the storage module for the user to use.
Optionally, the step of sending the handwriting image to the storage module includes the following steps:
acquiring an initial image of the display screen module;
comparing the handwriting image with the initial image;
if the handwriting image is the same as the initial image, the screen capture signal step is repeatedly acquired; and if the handwriting image is different from the initial image, the step of sending the handwriting image to the storage module is executed.
By adopting the technical scheme, the situation that after a user mistakenly touches and sends the screen capture signal, the invalid image is captured and stored in the storage module is avoided, and therefore the invalid image in the storage module is reduced.
Optionally, the step of obtaining the current handwriting image displayed by the display screen module according to the screen capture signal further includes the following steps before:
presetting the timing duration of a timing module;
starting timing according to the screen capture signal;
judging whether a false touch signal is received or not;
if a false touch signal is received before timing is finished, repeating the step of acquiring a screen capture signal; and if the error touch signal is not received before timing is finished, executing the step of acquiring the current handwriting image displayed by the display screen module according to the screen capture signal.
By adopting the technical scheme, the screen capture signals sent by the user due to mistaken touch are reduced by setting the time delay, so that invalid screen capture actions are reduced.
Optionally, after the step of sending the recovery signal to the display screen module, the method further includes the following steps:
acquiring a reading signal;
and acquiring the handwriting image in the storage module according to the reading signal and forwarding the handwriting image to the display screen module for displaying.
By adopting the technical scheme, the handwriting image stored in the storage module is called out for a user to check.
Optionally, the step of obtaining the handwriting image in the storage module according to the read signal and forwarding the handwriting image to the display screen module for displaying specifically includes the following steps:
acquiring the number N of handwriting images in a storage module;
if N > 1; and arranging the N handwriting images in a display area of the display screen module according to a preset standard.
By adopting the technical scheme, the plurality of handwriting images are conveniently arranged according to the preset standard and then displayed, so that the comfort level of a user in checking the handwriting images in the storage module is improved.
In a second aspect, the present application provides a control system for an electromagnetic touch display device, which adopts the following technical solutions:
a control system of an electromagnetic touch display device comprises an electromagnetic touch induction module and the display screen module set forth in claim 1, wherein the display screen module set is arranged on one side of the electromagnetic touch induction module, the electromagnetic touch induction module is in communication connection with a processing module, the processing module is in communication connection with a storage module and a trigger module, and the trigger module is arranged above the display screen module.
By adopting the technical scheme, the electromagnetic touch control induction module and the display screen module are combined for use, so that the original handwriting left by the writing brush can be restored according to the specific writing brush touch; the triggering module is arranged on the display screen module so as to be convenient for triggering when a user needs to switch a brand new display area of the display screen module; when the trigger module is triggered by a user, the trigger module sends a screen capture signal to the processing module, the processing module stores the screenshot of the handwriting image which is trained by the current user into the storage module according to the screen capture signal, and then the handwriting image in the current display area is cleared and then the initial image state without the training traces is recovered.
Optionally, one side of the electromagnetic touch sensing module, which is far away from the display screen module, is detachably connected with a transparent cover plate.
By adopting the technical scheme, the transparent cover plate is arranged to cover the electromagnetic touch sensing module, so that the electromagnetic touch sensing module is prevented from being directly exposed, the electromagnetic touch sensing module can be prevented from being scratched by external sharp objects, and the service life of the electromagnetic touch sensing module is prolonged.
Optionally, the triggering module includes a conduction tube and a triggering member communicatively connected to the processing module; the conduction pipe is embedded in one side of the transparent cover plate, which is far away from the display screen module; the conduction pipe is provided with a pressing part and a triggering part; the trigger piece is positioned on one side of the conduction pipe close to the trigger part; the trigger part is provided with a dormancy position, a reading position and a trigger position relative to the trigger piece, the trigger part can move back and forth among the dormancy position, the reading position and the trigger position, and the conduction pipe is filled with a conducting medium; the conducting medium can move back and forth between the triggering part and the pressing part in the conduction pipe; when the trigger part is positioned at the trigger position, the trigger part sends a screen capture signal to the processing module; and when the trigger part is positioned at the reading position, the trigger part sends a reading signal to the processing module.
By adopting the technical scheme, in the initial state, the triggering part is positioned at the dormancy position, the conducting medium is filled in the conducting pipe and comprises the pressing part and the triggering part, and the triggering part does not send any signal to the processing module; when a user needs to switch a brand new display area of the display screen module, the user can cause the conduction medium in the pressing part to move towards the trigger part in the conduction tube by abutting against the pressing part, so that the position of the conduction tube close to the trigger part is forced to deform, the trigger part is caused to move from the dormancy position to the reading position or the trigger position, the trigger part can be forced to send a reading signal or a screen capture signal to the processing module, and the situation is determined according to the deformation quantity of the conduction tube close to the trigger part; thereby realizing the transmission of the reading signal and the screen capture signal.
Optionally, the trigger module is still including setting up the detection piece in pressing the splenium, pressing the splenium and having the mistake for the detection piece and touch position and normal position, pressing the splenium and can touching reciprocating motion between position and the normal position at the mistake, press the splenium to be located the mistake and touch the position just when the trigger piece is located the trigger position, the detection piece sends the mistake to processing module and touches the signal.
By adopting the technical scheme, the position of the conduction tube close to the trigger part is prevented from being deformed due to the fact that an external object directly presses the trigger part, and therefore the probability that the trigger module is touched by mistake is reduced; when the trigger module is normally triggered, the trigger part needs to be positioned at the trigger position and the pressing position needs to be positioned at the normal position; if the processing module receives the screen capture signal and simultaneously receives the mistaken touch signal, the current screen capture signal is judged to be invalid, and therefore invalid screen capture actions of the processing module are reduced.
Optionally, the conductive medium is internally provided with identification particles, and outer walls of the identification particles are provided with bright color layers; when the pressing part is in the mistaken touch position, the identification particles are positioned in the pressing part; when the pressing part is located at the normal position, the identification particles can move towards the direction close to the trigger part.
Through adopting above-mentioned technical scheme, be convenient for the user when switching the brand-new display area of display screen module, the user can find the region of pressing the position fast according to the bright color layer of sign granule to improve the convenience that the user used trigger module.
In summary, the present application includes at least one of the following beneficial technical effects:
the method comprises the steps of storing a handwriting image screenshot of a current user finished practicing into a storage module, then clearing the handwriting image in a current display area and then restoring to an initial image state without practicing traces so that the user can continue to use a display screen module to practice the copybook of the brush calligraphy;
when the trigger module is triggered by a user, the trigger module sends a screen capture signal to the processing module, the processing module stores the screenshot of the handwriting image which is finished practice by the current user into the storage module according to the screen capture signal, and then the handwriting image in the current display area is cleared and then the handwriting image is restored to the initial image state without practice traces;
if the processing module receives the screen capture signal and simultaneously receives the mistaken touch signal, the current screen capture signal is judged to be invalid, and therefore invalid screen capture actions of the processing module are reduced.
Drawings
Fig. 1 is a schematic view of an overall structure of an electromagnetic touch display device according to the present application;
FIG. 2 is a control schematic block diagram of a control system of the electromagnetic touch display device in the present application;
FIG. 3 is a cross-sectional view taken along line F-F of FIG. 1;
FIG. 4 is a schematic view of the overall structure of the conducting tube when the trigger module is in a normal state;
FIG. 5 is a schematic view of the overall structure of the conducting tube when the trigger is in the screen-cut position;
FIG. 6 is a schematic view of the overall structure of the conducting tube when the triggering part is in a false touch state;
FIG. 7 is a schematic view of the overall structure of the conduit when the trigger is in the reading position;
fig. 8 is a flowchart of a control method of the electromagnetic touch display device.
Description of reference numerals: 1. an electromagnetic touch sensing module; 2. a display screen module; 3. a processing module; 4. a storage module; 5. a triggering module; 51. a conduction pipe; 511. a pressing part; 512. a trigger section; 52. a trigger; 53. a detection member; 54. marking the particles; 6. a transparent cover plate; 7. a housing; 71. an inner step surface; 72. an extension groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-8 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The embodiment of the application discloses a control system of an electromagnetic touch display device.
Referring to fig. 1 and 2, a control system of the electromagnetic touch display device includes an electromagnetic touch sensing module 1, a display screen module 2, a processing module 3, a storage module 4, a trigger module 5, a transparent cover plate 6 and a housing 7; the shell 7 can be a rectangular shell 7 made of any one of plastic, silica gel, metal, wood and the like; an inner step surface 71 is arranged on the inner side of the top of the outer edge side of the shell 7; the display screen module 2, the electromagnetic touch sensing module 1 and the transparent cover plate 6 are sequentially bonded on the inner step surface 71 of the shell 7 from bottom to top. The transparent cover 6 may employ a gel film.
Referring to fig. 2 and 3, the trigger module 5 is embedded and installed on one side of the transparent cover plate 6 away from the electromagnetic touch sensing module 1, a signal end of the electromagnetic touch sensing module 1 is in communication connection with a first signal end of the processing module 3, a second signal end of the processing module 3 is in communication connection with signal ends of the storage module 4 and the trigger module 5 respectively, and a third signal end of the processing module 3 is in communication connection with a signal end of the display screen module 2; one side of the display screen module 2 facing the electromagnetic touch sensing module 1 is a display area capable of displaying Chinese brush marks, and the electromagnetic touch sensing module 1 is in a transparent arrangement.
Referring to fig. 2 and 4, the trigger module 5 includes a conduction pipe 51, a trigger 52, a detection member 53 and identification particles 54; the conduction pipe 51 is transparent, the length direction of the conduction pipe 51 and the length direction of the shell 7 can be arranged in parallel or in perpendicular, and the two ends of the conduction pipe 51 are respectively the pressing part 511 and the trigger part 512.
In this embodiment, the pressing portion 511 is located outside the display area and a side of the pressing portion away from the electromagnetic touch sensing module 1 can be deformed significantly, the triggering portion 512 is located outside the display area and a side of the triggering portion facing the electromagnetic touch sensing module 1 can be deformed significantly, and a pipe section of the conducting pipe 51 is located right above the display area; in this embodiment, the trigger 512 and the pressing portion 511 are both elastic films; the inner step surface 71 of the housing 7 is provided with an extension groove 72 for the elastic film on the trigger 512 to buckle into, and the axis of the extension groove 72 is perpendicular to the lower surface of the transparent cover plate 6.
Referring to fig. 4 and 5, the trigger 52 is mounted inside the housing 7 and located below one side of the trigger part 512 of the conduction pipe 51, and the detector 53 is disposed inside the conduction pipe 51 and located inside the pressing part 511; the conduction pipe 51 is filled with a liquid conductive medium; the marking particles 54 may be one or more, and the outer edge side thereof is covered with a bright color layer, and the bright color layer may be made of any paint with bright color; an elastic band is bonded on the marking particles 54, and one end of the elastic band far away from the marking particles 54 is connected to the inner wall of the bottom of the pressing part 511; the marking particle 54 is capable of moving toward or away from the trigger 512.
In this embodiment, the triggering member 52 includes a controller, a first infrared proximity sensor and a second infrared proximity sensor, the controller is respectively connected to the first infrared proximity sensor and the second infrared proximity sensor in communication, and the first infrared proximity sensor and the second infrared proximity sensor are arranged in a collinear manner along the extending direction of the axis of the extending slot 72; the controller is in communication connection with the processing module 3; in another embodiment, the first infrared proximity sensor and the second infrared proximity sensor can be replaced by other micro sensors having the function of detecting the deformation of the trigger 512.
Referring to fig. 4, 6 and 7, the triggering portion 512 has a sleep bit, a trigger bit and a read bit relative to the triggering member 52, and the sleep bit, the trigger bit and the read bit are distributed in sequence along the axial direction of the extending slot 72; the conductive medium within conduit 51 may move toward the end adjacent trigger portion 512, thereby forcing the trigger portion 512 to reciprocate between the post-inflation sleep bit, trigger bit and read bit.
In the present embodiment, the detecting member 53 is an ultrasonic distance measuring sensor; the ultrasonic ranging sensor is arranged in the conduction pipe 51 and used for detecting the distance between the inner wall of the pressing part 511 and the inner wall of the conduction pipe 51; the pressing portion 511 has a mis-touch position, a normal position and a pressing position relative to the detecting member 53, and the pressing portion 511 can reciprocate among the mis-touch position, the normal position and the pressing position; the distance between the inner wall of the pressing portion 511 and the inner wall of the conducting tube 51 is preset to be L, and in another embodiment, the detecting member 53 may be any micro-sensor for detecting the deformation of the pressing portion 511.
The embodiment of the application also discloses a control method of the electromagnetic touch display device.
Referring to fig. 1 to 8, a method for controlling an electromagnetic touch display device includes the following steps:
in the initial state, after the electromagnetic touch display device is started to operate, the display area is in a blank initial image without a copybook trace; the storage module 4 is pre-stored with an initial image;
in the embodiment, a user uses a designated writing brush to trigger a display area of the electromagnetic touch display device, and the electromagnetic touch display device restores writing traces according to the moving traces of the writing brush to display corresponding handwriting images in the display area; if there is no space in the current display area for the user to practice writing of the brush pen, at this time, if the user needs to switch the display area to continue practicing writing of the brush pen, step a100 may be executed.
A100: acquiring a screen capture signal;
in this embodiment, a user can touch the pressing portion 511 by a finger or other external articles, and slide on the transparent cover plate 6 from the pressing portion 511 to the trigger portion 512; thereby forcing the conductive medium within the conduit 51 to move in a direction adjacent the trigger portion 512, thereby forcing the trigger portion 512 to expand inwardly of the extension slot 72.
When the conductive medium inside is pushed to the central point of the pipe section of the conduction pipe 51 along the length direction of the conduction pipe 51, the triggering part 512 can expand to trigger the first infrared proximity sensor, the triggering part 512 moves to the triggering position in the extension groove 72, and the controller sends a screen capture signal to the processing module 3.
A200: judging whether the screen capture signal is generated by false touch;
specifically, the step of determining whether the screen capture signal is a false touch in this embodiment specifically includes the following steps:
a210: presetting the timing duration of a timing module;
a220: starting timing according to the screen capture signal;
a230: judging whether a false touch signal is received or not;
in this embodiment, when the pressing portion 511 is located at the normal position, the conducting medium is filled in the conducting tube 51 and is in a static state, and the distance between the inner wall of the pressing portion 511 and the inner wall of the conducting tube 51 is L; when the conductive medium moves in the direction of the pressing portion 511 in the conduction tube 51, so as to force the pressing portion 511 to expand, i.e. the distance between the inner wall of the pressing portion 511 and the inner wall of the conduction tube 51 is L2, wherein L2 is greater than L, at this time, the pressing portion 511 is in the false touch position, and the detecting piece 53 sends a false touch signal to the processing module 3; when the pressing part 511 is in a state of being pressed by a user, the distance between the inner wall of the pressing part 511 and the inner wall of the conduction pipe 51 is L1, wherein L1 is smaller than L, the conducting medium in the conduction pipe 51 moves towards the direction close to the trigger part 512, at this time, the pressing part 511 is in a pressing position, and the detection piece 53 does not send any signal;
a240: if the processing module 3 receives the false touch signal before the timing is completed, repeating the step A100; if the processing module 3 does not receive the false touch signal before the timing is completed, step a300 is executed.
A300: acquiring a handwriting image currently displayed by the display screen module 2 according to the screen capture signal;
in this embodiment, the processing module 3 obtains a screenshot of a handwriting image displayed in the current display area of the display screen module 2.
A400: judging whether the handwriting image has an effective handwriting image;
specifically, the step of determining whether the handwriting image has a valid handwriting image in the embodiment specifically includes the following steps:
a410: acquiring an initial image of the display screen module 2;
a420: comparing the handwriting image with the initial image;
a430: if the handwriting image is the same as the initial image, repeating the step A100; if the handwriting image is different from the initial image, step a500 is performed.
The processing module 3 calls out the initial image prestored in the storage module 4; then comparing the initial image with the currently acquired handwriting image; and if the currently acquired handwriting image has no handwriting, the handwriting image is not stored.
A500: the handwriting image is sent to a storage module 4;
the storage module 4 receives the handwriting image and stores the handwriting image.
A600: the processing module 3 sends a recovery signal to the display screen module 2, and the display screen module 2 recovers the initial image according to the recovery signal.
When the user needs to view the stored handwriting image, the step B100 can be performed.
B100, checking the stored handwriting image;
specifically, the step of viewing the stored handwriting image in this embodiment specifically includes the following steps:
b110, acquiring a reading signal;
when the conductive medium inside is pushed along the length direction of the conduction pipe 51 to a position where the conduction pipe 51 is close to the trigger part 512, the trigger part 512 can expand to trigger the first infrared proximity sensor, the trigger part 512 moves to a reading position in the extension groove 72, and the controller sends a reading signal to the processing module 3.
B120, the processing module 3 acquires the handwriting image in the storage module 4 according to the reading signal and forwards the handwriting image to the display screen module 2 for display;
specifically, step B120 specifically includes the following steps:
b121, acquiring the number N of the handwriting images in the storage module 4, wherein N is a positive integer;
b122, if N is more than 1; the N handwriting images are arranged in the display area of the display screen module 2 according to the preset standard.
In this embodiment, the preset criteria are that the images are arranged in the display area in a horizontal and vertical manner according to the storage time of the handwriting images.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: u disk, removable hard disk, read only memory, random access memory, magnetic or optical disk, etc. for storing program codes.
The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Claims (10)
1. A control method of an electromagnetic touch display device is characterized by comprising the following steps:
acquiring a screen capture signal;
acquiring a current displayed handwriting image of the display screen module (2) according to the screen capture signal;
sending the handwriting image to a storage module (4);
and sending a recovery signal to the display screen module (2), and recovering the initial image by the display screen module (2) according to the recovery signal.
2. The method for controlling an electromagnetic touch display device according to claim 1, wherein: the step of sending the handwriting image to the storage module (4) is preceded by the steps of:
acquiring an initial image of the display screen module (2);
comparing the handwriting image with the initial image;
if the handwriting image is the same as the initial image, the screen capture signal step is repeatedly acquired; and if the handwriting image is different from the initial image, the step of sending the handwriting image to a storage module (4) is executed.
3. The method for controlling an electromagnetic touch display device according to claim 1, wherein: the method for acquiring the current handwriting image displayed by the display screen module (2) according to the screen capture signal comprises the following steps before the step of acquiring the current handwriting image displayed by the display screen module:
presetting the timing duration of a timing module;
starting timing according to the screen capture signal;
judging whether a false touch signal is received or not;
if a false touch signal is received before timing is finished, repeating the step of acquiring a screen capture signal; and if the error touch signal is not received before timing is finished, executing the step of acquiring the current displayed handwriting image of the display screen module (2) according to the screen capturing signal.
4. The method for controlling an electromagnetic touch display device according to claim 3, wherein: the step of sending the recovery signal to the display screen module (2) further comprises the following steps:
acquiring a reading signal;
and acquiring the handwriting image in the storage module (4) according to the reading signal and forwarding the handwriting image to the display screen module (2) for display.
5. The method for controlling an electromagnetic touch display device according to claim 4, wherein: the step of acquiring the handwriting image in the storage module (4) according to the reading signal and forwarding the handwriting image to the display screen module (2) for display specifically comprises the following steps:
acquiring the number N of handwriting images in a storage module (4);
if N > 1; the N handwriting images are arranged in the display area of the display screen module (2) according to a preset standard.
6. A control system of an electromagnetic touch display device is characterized in that: the display screen module (2) comprises an electromagnetic touch sensing module (1) and the display screen module (2) as claimed in claim 1, wherein the display screen module (2) is arranged on one side of the electromagnetic touch sensing module (1), the electromagnetic touch sensing module (1) is in communication connection with a processing module (3), the processing module (3) is in communication connection with a storage module (4) and a trigger module (5), and the trigger module (5) is arranged above the display screen module (2).
7. The control system of an electromagnetic touch display device according to claim 6, wherein: one side of the electromagnetic touch control induction module (1) far away from the display screen module (2) is detachably connected with a transparent cover plate (6).
8. The control system of the electromagnetic touch display device according to claim 7, wherein: the trigger module (5) comprises a conduction pipe (51) and a trigger piece (52) which is in communication connection with the processing module (3); the conduction pipe (51) is embedded in one side, far away from the display screen module (2), of the transparent cover plate (6); the conduction pipe (51) is provided with a pressing part (511) and a trigger part (512); the trigger piece (52) is positioned on one side of the conduction pipe (51) close to the trigger part (512); the trigger part (512) is provided with a rest position, a reading position and a trigger position relative to the trigger piece (52), the trigger part (512) can move back and forth among the rest position, the reading position and the trigger position, and the conduction pipe (51) is filled with a conductive medium; the conductive medium can move back and forth between the trigger part (512) and the pressing part (511) in the conduction pipe (51); when the trigger part (512) is positioned at a trigger position, the trigger piece (52) sends a screen capture signal to the processing module (3); when the trigger part (512) is positioned at a reading position, the trigger piece (52) sends a reading signal to the processing module (3).
9. The control system of an electromagnetic touch display device according to claim 8, wherein: trigger module (5) still including setting up detection piece (53) in pressing portion (511), it touches position and normal position to have the mistake for detection piece (53) to press portion (511), press portion (511) can touch reciprocating motion between position and the normal position at the mistake, press portion (511) to be located the mistake and touch the position just trigger piece (52) are located when triggering the position, detection piece (53) send the mistake to handle module (3) and touch the signal.
10. The control system of an electromagnetic touch display device according to claim 9, wherein: marking particles (54) are arranged in the conducting medium, and the outer walls of the marking particles (54) are provided with bright color layers; when the pressing part (511) is in the mistaken touch position, the identification particles (54) are positioned in the pressing part (511); when the pressing part (511) is positioned at the normal position, the identification particles (54) can move towards the direction close to the trigger part (512).
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008300949A (en) * | 2007-05-29 | 2008-12-11 | Fujifilm Corp | Display control unit and method for camera |
| JP2012049969A (en) * | 2010-08-30 | 2012-03-08 | Ricoh Co Ltd | Electronic conference device, information display method, and program |
| US20140002379A1 (en) * | 2012-06-29 | 2014-01-02 | Kuan-Hong Hsieh | Electronic device having touch screen |
| CN112051939A (en) * | 2020-08-28 | 2020-12-08 | 芜湖宏嘉科技有限公司 | Network teaching system for electronic screen |
| WO2021136080A1 (en) * | 2019-12-31 | 2021-07-08 | 广州视源电子科技股份有限公司 | Touch data processing method and apparatus, intelligent device and storage medium |
| CN113194279A (en) * | 2021-04-30 | 2021-07-30 | 上海博泰悦臻网络技术服务有限公司 | Recording method of network conference, computer readable storage medium and electronic device |
-
2021
- 2021-07-31 CN CN202110877204.3A patent/CN113552976B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008300949A (en) * | 2007-05-29 | 2008-12-11 | Fujifilm Corp | Display control unit and method for camera |
| JP2012049969A (en) * | 2010-08-30 | 2012-03-08 | Ricoh Co Ltd | Electronic conference device, information display method, and program |
| US20140002379A1 (en) * | 2012-06-29 | 2014-01-02 | Kuan-Hong Hsieh | Electronic device having touch screen |
| WO2021136080A1 (en) * | 2019-12-31 | 2021-07-08 | 广州视源电子科技股份有限公司 | Touch data processing method and apparatus, intelligent device and storage medium |
| CN112051939A (en) * | 2020-08-28 | 2020-12-08 | 芜湖宏嘉科技有限公司 | Network teaching system for electronic screen |
| CN113194279A (en) * | 2021-04-30 | 2021-07-30 | 上海博泰悦臻网络技术服务有限公司 | Recording method of network conference, computer readable storage medium and electronic device |
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