TWI557620B - Splicing touch screen apparatus and touch detection method for touch screens thereof - Google Patents

Description

Splicing touch screen device and touch detection method thereof

The present invention relates to a spliced touch device, and more particularly to a touch detection method for a spliced touch screen.

With the evolution of electronic technology, people often need to use electronic devices to perform multiple tasks in their daily lives. Among them, through the touch screen as a human-machine interface, it has become a popular practice.

In order to more flexibly change the size of the touch area provided, the prior art proposes to use a plurality of touch screens for splicing to form a spliced touch device with a larger and adjustable touch area shape. In order to make the report information generated by the spliced touch device correct, a conventional method of integrating a plurality of touch screens by using a hardware circuit is proposed in the prior art. The conventional hardware circuit connects a plurality of touch screens respectively by a plurality of universal serial bus interfaces. The connection between the universal serial bus interface and the touch screen is fixed and cannot be arbitrarily changed. Conventional hardware circuit The report information generated by the fixed number of touch screens connected in a fixed order relationship is processed, and an output coordinate corresponding to the report information is generated.

In the above-mentioned conventional hardware circuit, when the connection relationship between the touch screen and the universal serial bus interface is disordered, the output coordinates generated by the touch screen may be incorrect, and in addition, the hardware circuit is In the architecture, if it is necessary to change the number of touch screens (for example, to increase the number of touch screens), in addition to the need to increase the number of general-purpose serial bus interfaces, some circuits in the conventional hardware circuits that generate output coordinates according to the report information are also Need to be modified, very inconvenient in use. In addition, since the conventional hardware circuit is fixed, when the touch screen is shifted or rotated, the correct output coordinates cannot be generated.

The invention provides a splicing touch device and a touch detection method of a spliced touch screen, which can increase the flexibility of the touch screen in the number of splicing and the splicing method.

The touch detection method of the spliced touch screen of the present invention comprises: performing a plurality of identification information setting actions for a plurality of touch screens, and performing a correcting action on the touch screen; receiving at least one of the touch screens And transmitting at least one report point information; and performing a label conversion operation on the at least one report point information according to the configuration state of each touch screen and the identification information corresponding to each touch screen, and obtaining at least one output coordinate through the coordinate conversion action .

In an embodiment of the invention, the foregoing is performed separately for the touch screen The step of identifying the information setting action comprises: displaying a plurality of correcting action prompt messages on the touch screen in sequence; and sequentially receiving the identification information by the touch screen according to the correcting action prompt message.

In an embodiment of the present invention, the step of separately performing the setting operation of the identification information for the touch screen further includes: sequentially receiving, according to the correcting action prompt message, the plurality of corrective action information by the touch screen to perform the corrective action. .

In an embodiment of the present invention, the at least one report information is coordinate-converted according to the configuration state of each touch screen and the identification information corresponding to each touch screen, and at least one output coordinate is obtained through the coordinate conversion action. The step includes: obtaining the selected identification information of the touch screen corresponding to the at least one report point information, and obtaining the selected resolution and the selected offset information of the touch screen of the at least one report point information; and selecting the identification information according to the selected identification information The resolution is selected and the offset information is selected to perform a coordinate conversion action on at least one of the report information, and to obtain at least one output coordinate.

In an embodiment of the invention, the configuration state of each of the touch screens includes whether the touch screen has a turn.

The spliced touch display device of the present invention includes a plurality of touch screens and a host. The host is coupled to the touch screen, wherein the host performs a plurality of identification information setting actions for the touch screen, performs a correcting action on the touch screen, and receives at least one report point transmitted by at least one of the touch screens. News. And the host performs a coordinate conversion operation on the at least one report information according to the configuration state of each touch screen and the identification information corresponding to each touch screen, and obtains at least one output coordinate through the coordinate conversion action.

Based on the above, the present invention can perform the setting operation of the identification information for each touch screen in the touch device that completes the splicing, and correct the action for the touch screen. According to the configuration state of each touch screen, the coordinate conversion operation is performed on the received at least one report point information, so that the touch device of the present invention can accurately perform the touch point under the condition that the stitching form is not fixed. The coordinate detection action is greatly improved in the use efficiency.

The above described features and advantages of the invention will be apparent from the following description.

S110~S130‧‧‧Sliding touch screen touch detection steps

201~204‧‧‧Touch screen

ID1~ID4‧‧‧ Identification Information

310‧‧‧Application

320, 611‧‧‧ hardware port

330, 614‧‧‧ operating system

311‧‧‧Report information receiving module

312‧‧‧Reporting Information Analysis Module

313‧‧‧Coordinate Rotary Module

314‧‧‧Report information conversion module

315‧‧‧Output module

316‧‧‧ calibration module

317‧‧‧Information Collection Module

S410~S450‧‧‧Steps for identifying information settings

S510~S570‧‧‧Steps for generating output coordinates

600‧‧‧Spliced touch device

TCD‧‧‧Multiple touch screens

610‧‧‧Host

612‧‧‧ Controller

FIG. 1 is a flow chart of a touch detection method of a spliced touch screen according to an embodiment of the invention.

2A-2D are schematic diagrams showing the configuration of a spliced touch screen.

3 is a block diagram of an application of an embodiment of the present invention.

FIG. 4 is a flow chart showing an embodiment of identification information setting according to an embodiment of the present invention.

FIG. 5 is a flow chart showing an embodiment of generating an output coordinate according to an embodiment of the present invention.

FIG. 6 is a schematic diagram of a spliced display touch device according to an embodiment of the invention.

Please refer to FIG. 1 , which illustrates a spliced touch screen according to an embodiment of the invention. Flow chart of the touch detection method. The spliced touch screen is formed by splicing a plurality of touch screens. The shape of the spliced touch screen can be spliced through multiple touch screens according to user requirements without fixed restrictions. The spliced touch screen can be connected to a host, which is used as a medium for performing touch detection methods on the spliced touch screen. The host may perform a setting operation of performing a plurality of identification information for each of the plurality of touch screens in step S110, and perform a correcting action for the touch screen.

In this embodiment, the host can perform a setting action of the identification information for each touch screen. When the setting operation of the identification information is performed, the user can be prompted to input an action for identifying the information through the human-machine interface. Specifically, the spliced touch screen spliced by three touch screens can be used as an example to display a plurality of corrective action prompt messages on the touch screen in sequence, and the user sequentially follows each touch screen. The corrective action prompt message is displayed to perform an input action of the identification information. In the details, when the identification information is set, the first touch screen of the three touch screens can be displayed to correct the motion prompt message, and the user can display the correction according to the first touch screen. The action prompt message performs an input action for identifying information, such as inputting the touch screen as the first touch screen. On the other hand, while the first touch screen displays the corrective action prompt message, the user can perform a corrective action on the first touch screen according to the corrective action prompt message on the first touch screen.

After completing the input operation of the identification information of the first touch screen and the correcting action of the touch screen, the host can change the corrective action displayed by the second touch screen. Displaying a message and providing a user to input identification information on the second touch screen (for example, inputting the touch screen as a second touch screen) and performing a corrective action, and inputting the identification information on the second touch screen After the action and the correction action of the touch screen are completed, the host changes the correction action prompt message displayed by the third touch screen, and provides the user to input the identification information on the third touch screen (for example, inputting the touch screen is the first Three touch screens) and corrective action.

It can be seen from the above description that when the touch screens included in the touch screen are N (N is an arbitrary positive integer), only the N touch screens are required to display N correction actions. And through the input action of the identification information performed by the user and the correcting action of the touch screen, the setting action of the entire stitching display touch screen can be completed.

The correction operation of the touch screen described above can be performed by using a correction operation of any one of the well-known touch screens in the art, without a fixed limitation.

Please refer to FIG. 1 and FIG. 2A to FIG. 2D simultaneously. FIG. 2A to FIG. 2D are schematic diagrams showing the configuration of the spliced touch screen. It can be seen from FIG. 2A to FIG. 2D that the spliced touch screen can be spliced into different shapes by multiple touch screens. Taking four touch screens as an example, when performing the stitching action of the touch screen, the host can provide a plurality of stitched patterns for the user to select, for example, various stitching patterns shown in FIG. 2A to FIG. 2D. After the user selects the stitching pattern of FIG. 2A, the user can set the identification information of the first touch screen in the physical touch screen to ID1, and the host can know the first touch in the physical touch screen. The control screen corresponds to the position of the touch screen 201 of FIG. 2A. Similarly, the user can set the identification information of the second to fourth touch screens in the physical touch screen to ID2, ID3, ID4, and the host can know the second in the physical touch screen. The four touch screens correspond to the positions of the touch screens 202-204 of FIG. 2A. That is to say, after all the setting information of the identification information of the touch screen is completed, the host can clearly know the configuration state of each touch screen in the touch screen.

Incidentally, through the above settings, the host can also know the offset information between the touch screens under different splicing states.

The above identification information ID1~ID4 can be replaced by any number and symbol, and there is no fixed limit.

It can be seen from the above description that, in the embodiment of the present invention, regardless of the connection order between the touch screen and the host, the correct setting of the touch screen can be made corresponding to the stitching touch screen through the setting action of the identification information. Location.

Then, referring back to FIG. 1 , in step S120 , the host may perform receiving at least one piece of report information transmitted by at least one of the touch screens. In addition, in step S130, the host may perform coordinate conversion operation on at least one of the report information according to the configuration state of each touch screen and the identification information corresponding to each touch screen, and obtain at least one output coordinate through the coordinate conversion action. .

Specifically, after the input operation of the identification information and the correction operation of the touch screen in step S110, the host can know the configuration status of each touch screen and the identification information of each screen. Therefore, when the host receives at least one of the report information transmitted by at least one of the touch screens, the touch of the user can be known. The action is performed on which touch screen in the touch screen is displayed, and therefore, the host can perform the correct coordinate conversion action for the received report information and obtain the output coordinate of the corresponding report information.

Please refer to FIG. 3, which is a block diagram of an application according to an embodiment of the present invention. When the touch detection process of FIG. 1 is performed, the host can complete the execution of the application, wherein the application 310 receives the identification information, corrects the action information, and the report information from the hardware port 320, and transmits the output coordinates to Operating system 330. The application 310 includes a report information receiving module 311, a report information analysis module 312, a coordinate rotation module 313, a report information conversion module 314, an output module 315, a correction module 316, and an information collection module 317. The report information receiving module 311 is coupled to the hardware port 320 and receives at least one report information. The report information analysis module 312 is coupled to the report information receiving module 311 and performs an analysis action on at least one report information. It is particularly worth mentioning that in the embodiment of the invention, the touch screen can also be rotated and spliced with other touch screens. When the touch screen rotation state occurs, the coordinate rotation module 313 can perform a coordinate rotation operation on the parsed at least one report point information. The report information conversion module 314 is coupled to the coordinate rotation module 313, and performs a coordinate conversion operation according to the selected identification information, the selected resolution, and the selected offset information to obtain at least one output coordinate, wherein the selected identification information is selected. The selected resolution and the selected offset information may be provided by the information gathering module 317. The calibration module 316 displays the calibration prompt message on each touch screen through the hardware port 320, and receives the plurality of correction information for performing the corrective action and the identification information corresponding to the touch screen through the hardware port 320. The information gathering module 317 is coupled to the calibration module 316 and the reporting point The conversion module 314 is configured to obtain the selected identification information of the touch screen corresponding to the report information, and obtain the selected resolution and the selected offset information of the touch screen corresponding to the report information. The output module 315 is coupled to the report information conversion module 314 for transmitting the output coordinates to the operating system 330.

Whether or not the touch screen is rotated can be known by setting information in the system of the spliced touch display device, wherein the user can write information about whether the touch screen is rotated to the system setting information.

Referring to FIG. 4, FIG. 4 is a flowchart of an embodiment of identification information setting according to an embodiment of the present invention. In step S410, the user presses the correction button, and the host corresponds to the action of the user. In step S420, the first touch screen displays a corrective action prompt message, and the information collecting module provides the user with the first touch. The screen is used to input the identification information of the first touch screen. Then, in step S430, the host can set the identification information into each touch screen by using the splicing correction module. In step S440, the host can determine whether there is a next touch screen to be set, and if so, use the information collecting module to display a corrective action prompt message on the next touch screen, and set the identification information of the touch screen. After the action, the process returns to step S430 to set the identification information of the touch screen to the controller. Steps S430~S450 can be executed multiple times in a loop until no next touch screen needs to be set. In contrast, when the result of the determination in step S440 is NO, the entire correction step is completed.

Referring to FIG. 5, FIG. 5 is a flowchart of an embodiment of generating an output coordinate according to an embodiment of the present invention. When the step of generating an output coordinate is started in step S510 After receiving the information, the report receiving information can receive the report information generated on the touch screen (step S520), and in step S530, use the report analysis module to parse the state in which the user contacts the touch screen when generating the report information ( Information such as the status of the contact point), the coordinates and the corresponding screen identification information. Moreover, in step S540, it is determined whether the touch screen corresponding to the report information has a rotation phenomenon.

When the result of the determination in step S540 is YES, step S550 is executed to rotate the coordinates of the report information to the corresponding position by using the coordinate rotation module. When the result of the determination in step S540 is negative, step S550 is skipped and the steps are directly executed. S560.

In step S560, the identification information of the touch screen corresponding to the report information obtained by the information collection module through the information collection module, and the screen resolution and offset information of the touch screen corresponding to the report information will be The report coordinates of the touch screen are converted into corresponding output coordinates. Finally, in step S570, the output coordinates are transmitted to the output module, and the output module transmits the output coordinates to the operating system.

Please refer to FIG. 6. FIG. 6 is a schematic diagram of a spliced display touch device according to an embodiment of the invention. The splicing display touch device 600 includes a plurality of touch screens TCD and a host 610. The touch screen TCD is coupled to the host 610 through the hardware port 611. The host 610 includes a controller 612 that can perform various actions of the touch detection by executing the application 613 and transmit the output coordinates to the operating system 614.

The hardware port 611 can be implemented using various data transfer interfaces of the present invention as is well known to those skilled in the art, without fixed limitations. The touch screen TCD can be a variety of touch devices without fixed restrictions.

In summary, the present invention provides identification information for each touch screen. The setting and correcting action can make the connection between the touch screen and the host unfixed. In addition, when the number of the touch screens is changed, the touch detection method of the present invention does not need to perform hardware design changes, and is more flexible in use and can improve the use efficiency.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

S110~S130‧‧‧Sliding touch screen touch detection steps

Claims (11)

A touch detection method for a spliced touch screen includes: performing a plurality of identification information setting actions for a plurality of touch screens, and performing corrective actions on the touch screens; receiving the touch screens by the touch screens And transmitting at least one of the report information according to the configuration state of each of the touch screens and the identification information corresponding to each of the touch screens, and performing a label conversion operation on the at least one report information, and converting the coordinates through the coordinates The action obtains at least one output coordinate. The method for detecting a touch screen of the spliced touch screen according to the first aspect of the invention, wherein the step of separately performing the setting operation of the identification information for the touch screens comprises: sequentially displaying the touch screens on the touch screens a plurality of corrective action prompt messages; and sequentially receiving the identification information by the touch screens according to the corrective action prompt messages. The method for detecting a touch screen of the spliced touch screen according to the second aspect of the invention, wherein the step of separately performing the setting operation of the identification information for the touch screens further comprises: prompting the information according to the correcting actions according to the steps The plurality of correction motion information are respectively received by the touch screens to perform the correction actions. The touch detection method of the spliced touch screen according to claim 1, wherein the touch screen is configured according to each of the touch screens and the touch screen pair And the step of performing the coordinate conversion operation on the at least one report information, and obtaining the at least one output coordinate through the coordinate conversion action comprises: obtaining a selected identification information of the touch screen corresponding to the at least one report point information And obtaining a selected resolution of the touch screen of the at least one report point information and a selected offset information; and determining, according to the selected identification information, the selected resolution, and the selected offset information A report information is performed to perform the coordinate conversion operation, and the at least one output coordinate is obtained. The touch detection method of the spliced touch screen of claim 1, wherein the configuration state of each of the touch screens includes whether the touch screen has a turn. A spliced touch display device includes: a plurality of touch screens; and a host coupled to the touch screens, wherein the host performs a plurality of identification information setting actions for the touch screens respectively, The touch screen performs a corrective action, and receives at least one of the report information transmitted by at least one of the touch screens, and the host according to the configuration state of each touch screen and the corresponding recognition of each touch screen The information is used to perform a standard conversion operation on the at least one report information, and obtain at least one output coordinate through the coordinate conversion action. The spliced touch display device of claim 6, wherein the host comprises a controller, and the controller performs an setting operation of the identification information and the coordinate conversion action by executing an application. The splicing touch display device of claim 7, wherein the controller sequentially displays a plurality of corrective action prompt messages on the touch screens, and sequentially according to the corrective action prompt messages. The touch screens respectively receive the identification information. The spliced touch display device of claim 8, wherein the controller sequentially receives the plurality of corrective action information from the touch screens to perform the corrections according to the corrective action prompt messages. action. The spliced touch display device of claim 9, wherein the controller obtains a selected identification information of the touch screen corresponding to the at least one report point information, and obtains the touch screen of the at least one report point information. Selecting the resolution and selecting the offset information, and performing the coordinate conversion action on the at least one report information according to the selected identification information, the selected resolution, and the selected offset information, and obtaining The at least one output coordinate. The splicing touch display device of claim 10, wherein the application comprises: a report point information receiving module, receiving the at least one report point information; and a report point information analysis module coupled to the report point information Receiving a module, performing an analysis action on the at least one report point information; A standard rotation module is coupled to the report information analysis module, and performs coordinate rotation operation on the parsed at least one report point information; a report point information conversion module is coupled to the coordinate rotation module, and is identified according to a selection Information, a selected resolution, and a selected offset information to perform the coordinate conversion operation to obtain the at least one output coordinate; an output module coupled to the report information conversion module, and outputting the output coordinate; The module receives a plurality of correction information for performing the corrective actions and the identification information corresponding to the touch screens respectively; and a information collection module coupled to the correction module and the report information conversion module And selecting a selected identification information of the touch screen corresponding to the at least one report information, and obtaining a selected resolution of the touch screen of the at least one report point information and a selected offset information.