TW201344676A - System and method for displaying picture on group of display screens - Google Patents

Abstract

The present invention provides a system and method for displaying a picture on a group of display screens. The method sets two slavers or at least two slavers as correlation devices of a host electronic device, each of the slavers and the host electronic device has a display screen. After arranging the slavers in a rectangle, the method sets a serial number for each slaver. The method further divides each frame of picture displayed on the display screen into several display parts, and sets a serial number for each display part. The method establishes a correlation of the serial number of each display part and the serial number of the corresponding slaver, and transmits each display part to a correlated slaver. Each slaver synchronously displays the received display part. By utilizing the present application, contents of an operation performed by a host electronic device can be displayed on a group of display screens.

Description

Screen combination display system and method

The present invention relates to a display system and method, and more particularly to a screen combined display system and method.

Currently, handheld devices with display functions are becoming more and more popular, and their configurations are becoming more and more high-end. As multimedia entertainment functions become more and more popular among users, mobile phone manufacturers are paying more and more attention to multimedia user experience, and the display screens of handheld devices (such as LCD screens) are also growing. .

Although the display screen of the handheld device is already large enough, when a handheld device wants to operate a certain content to users of other handheld devices (such as during a meeting), the display screen of the handheld device is not as good as the computer display or the projection screen. So large, the user is particularly laborious when viewing content operations, and some users cannot even clearly see the content operation. In order for each user to clearly see the content operation, it is necessary to additionally install a hardware device. However, the addition of hardware devices will increase the cost. If the users are outdoors, it is more unrealistic to install hardware devices.

In view of the above, it is necessary to provide a screen combined display system and method for displaying content operations of an electronic device on a plurality of combined display screens while supporting simultaneous voice material playback.

The screen combined display system is applied to a master electronic device, and the system includes: a setting module configured to set two or more slave devices associated with the master electronic device, wherein the master The control terminal device and each of the slave devices each have a display screen; the arranging module is configured to arrange the slave devices into a rectangle, and each slave device is set with a number according to the arrangement order of the slave devices; the screen cutting module is used for Dividing each frame of the screen displayed by the master electronic device into a plurality of display blocks, and setting a number for each display block according to the arrangement and combination order of the slave devices, wherein the number of the display blocks is equal to the slave device The number of screens is used to associate the number of each of the slave devices with the number of the display block at the corresponding position on the display screen of the master electronic device, and display the display blocks by wireless transmission. The picture is sent to the slave device associated with the number; and the screen play module is used to control the display screen of the slave device to display the received screen synchronously.

The screen combination display method is applied to a master electronic device, the method comprising: setting two or more slave devices associated with the master electronic device, wherein the master electronic device and Each of the slave devices has a display screen; the slave device arrays are combined into a rectangle, and each slave device is set with a number according to the arrangement order of the slave devices; each frame displayed by the master terminal electronic device is divided into a plurality of display blocks, and setting a number for each display block according to the arrangement order of the slave devices, wherein the number of the display blocks is equal to the number of the slave devices; and the number of each of the slave devices is compared with the master control The number of display blocks at the corresponding position on the display screen of the terminal electronic device is associated, and the screen displayed by each display block is transmitted to the slave device associated with the number by wireless transmission; and the display screen synchronization of the slave device is controlled. The received screen is displayed.

Compared with the prior art, the screen combined display system and method can transmit the content operation of an electronic device to other combined handheld devices through Bluetooth even without WIFI or network coverage. The device does not require an additional hardware connection interface for each of the electronic device and the handheld device.

FIG. 1 is a schematic diagram showing the hardware structure of a screen combination display system in a preferred embodiment of the present invention. In the present embodiment, a master electronic device 1 can share its operation contents to a plurality of slave devices 2 (only six are shown). The number of slave devices 2 may be one, two or more. The slave device 2 can be a palm-type mobile electronic device, a palmtop computer or other electronic device with a Bluetooth device 18 installed.

When the number of slave devices 2 is one, it indicates that the master electronic device 1 immediately shares the operation content to the slave device 2. When the number of slave devices 2 is two or more, it means that all slave devices 2 play the screen displayed by the master electronic device 1 and its corresponding sound.

Each of the slave device 2 and the master terminal electronic device 1 in this embodiment has a display screen 16.

In addition, the slave device 2 employs a framebuffer programming interface of the kernel driver. Framebuffer provides abstraction for image hardware devices, allowing applications to access image hardware devices through well-defined interfaces. Through the framebuffer, the application can use the mmap function to map the memory to the virtual address space of the application, and write the data to be displayed to the memory space to display it on the display screen.

As shown in FIG. 2, it is a schematic structural diagram of the main control electronic device 1 in FIG. A master screen display system 10, a storage device 12, at least one processor 14, the display screen 16, and a Bluetooth device 18 are mounted in the host electronic device 1. In this embodiment, the version number of the Bluetooth device 18 may be 4.0. Compared with the Bluetooth device 18 with the version number 3.0, the biggest difference is low power consumption, and secondly, the electronic device that the user can select to transmit data. The distance is optimized to over 60 meters.

In the present embodiment, the screen combination display system 10 is installed in the storage device 12 in the form of a software program or instruction and is executed by the processor 14. The screen combination display system 10 includes a setting module 100, a receiving module 102, an arranging module 104, a screen cutting module 106, a screen transmitting module 108, and a screen playing module 110. The module referred to in the present invention is a computer program segment for performing a specific function, and is more suitable for describing the execution process of the software in the computer than the program. Therefore, the following description of the software in the present invention is described by a module.

The setting module 100 is configured to set two or more slave devices 2 associated with the master electronic device 1. In this embodiment, the setting module 100 can set a list in the host electronic device 1, and record in the list the slave devices 2 that will share the operation content of the master electronic device 1, and for each slave The device 2 is given a name, such as the name of the user of the slave device 2 or the model number of the slave device 2, and the like.

The receiving module 102 is configured to receive the operation of the Bluetooth device 18 that activates the host electronic device 1 and the slave devices 2, and communicatively connects the master electronic device 1 and the slave devices 2 through the Bluetooth device 18. In this embodiment, the Bluetooth device 18 has a function of simultaneously transmitting voice and images, and can implement bidirectional transmission.

The arranging module 104 is configured to combine the slave devices 2 into a rectangle, set a number for each slave device 2 according to the arrangement order of the slave devices 2, and record the number of each slave device 2 in the above list. in. In this embodiment, the screen sizes of the slave devices 2 are the same or similar, and the slave devices 2 may be arranged in a square or a rectangle according to the number of the slave devices 2. If the number of the slave devices 2 is two, the two slave devices 2 are discharged side by side. The numbering of the slave device 2 can be a digit, a letter or any other character capable of expressing a continuation.

The screen cutting module 106 is configured to divide each frame of the screen displayed by the host electronic device 1 into a plurality of display blocks, and set a number for each display block according to the arrangement and combination order of the slave devices 2, wherein The number of display blocks is equal to the number of slave devices 2. In this embodiment, the number of the display block may be the same as the number of the slave device 2.

Specifically, assuming that the above-described arrangement is combined into a rectangle, the number of slave devices 2 is six, and the array module 104 sequentially sets the six slave devices 2 from left to right into numbers A, B, C, D, E, and F, and the screen is cut. The module 106 then sets the number of the display block in each frame of the screen displayed on the display screen to be consecutive letters, digits or other characters from left to right, such as the number of the display block in each frame from left to right. The right is also set to the letters A, B, C, D, E, and F in order.

The screen transfer module 108 is configured to associate the number of each of the slave devices 2 with the number of the display block at the corresponding position on the display screen 16 and display the screen displayed by each display block through the Bluetooth device 18. Send to the slave device 2 associated with the number.

As shown in FIG. 4, the arranging module 104 sets the six slave devices 2 arranged in a rectangle from left to right in order of numbers A, B, C, D, E, and F, assuming that the screen cutting module 106 is based on the slaves. The arrangement order of the devices 2 is set to the numbers A, B, C, D, E, and F from left to right in sequence. Then, the screen transfer module 108 sets the slave device 2 numbered A and The display block numbered A is associated, and the screen displayed by the display block numbered A is transmitted to the slave device 2 numbered A; the screen transfer module 108 sets the slave device 2 numbered B and The display block numbered B is associated, and the screen displayed by the display block numbered B is transferred to the slave device 2 numbered B; and so on until the screen displayed by the display block numbered F Transfer to the slave device numbered F.

In this embodiment, the screen transfer module 108 simultaneously transmits the voice data related to the screen to each slave device 2 while performing screen transfer.

The screen playing module 110 is configured to control the display screen of the slave device 2 to synchronously display the received screen, and simultaneously play the voice data corresponding to each frame screen in all the slave devices 2.

As shown in FIG. 3, it is a flowchart of the operation of the screen combination display method in the preferred embodiment of the present invention.

In step S100, the setting module 100 sets two or more slave devices 2 associated with the master electronic device 1. In this embodiment, the setting module 100 can set a list in the main control electronic device 1 for recording each slave device 2 that will share the operation content of the master electronic device 1, and for each slave device 2 Give a name.

In step S102, the receiving module 102 receives the operation of turning on the Bluetooth device 18 of the master electronic device 1 and the slave devices 2 to establish a communication connection between the master electronic device 1 and each slave device. Specifically, both the master electronic device 1 and the Bluetooth device 18 of the slave device 2 have a fixed Bluetooth address, so that the master electronic device 1 can directly connect to the slave device 2 of the fixed Bluetooth address through the Bluetooth address. . Among them, one master electronic device 1 can communicate with multiple slave devices 2 at the same time.

In step S104, the arranging module 104 arranges the slave devices 2 into a rectangle, sets a number for each slave device 2 according to the order of the slave devices 2, and records the number of each slave device 2 in the above list. . In this embodiment, the screen sizes of the slave devices 2 are the same or similar. The numbering of the slave device 2 can be a digit, a letter or any other character capable of expressing a continuation.

In step S106, the screen cutting module 106 divides each frame of the screen displayed by the master electronic device 1 into a plurality of display blocks, and sets a number for each display block according to the arrangement and combination order of the slave devices 2, wherein The number of display blocks is equal to the number of slave devices 2. In this embodiment, the number of the display block may be the same as the number of the slave device 2.

In step S108, the screen transfer module 108 associates the number of each of the slave devices 2 with the number of the display block at the corresponding position on the display screen 16, and transmits the screen displayed by each display block through the Bluetooth device 18. Give the slave device 2 associated with the number. In this embodiment, the screen transfer module 108 simultaneously transmits the voice data related to the screen to each slave device 2 while performing screen transfer.

For example, the number of the slave device 2 is A, B, C, D, E, and F from left to right, and the number of the display block is A, B, C, D, E, and from left to right. F, then, the picture transfer module 108 associates the slave device 2, numbered A, with the display block numbered A, the slave device 2, numbered B, with the display block numbered B, and so on. .

In step S110, the screen playing module 110 controls the display screen of the slave device 2 to synchronously display the received screen, and synchronously plays the voice data corresponding to each frame of the screen. In this embodiment, since each slave device 2 establishes a Bluetooth connection with the master electronic device 1 through the Bluetooth device 18, each slave device 2 can call the function recv or read to read the data sent by the master terminal electronic device. After the main control electronic device 1 sends the screen and the voice data, the master electronic device 1 and the slave device 2 can call the close function to end the connection.

In step S108, each slave device 2 needs to initialize its display screen before receiving the picture and voice data.

It should be noted that the above embodiments are only intended to illustrate the technical solutions of the present invention and are not intended to be limiting, and the present invention will be described in detail with reference to the preferred embodiments thereof The technical solutions are modified or equivalently substituted without departing from the spirit and scope of the technical solutions of the present invention.

1. . . Master electronic device

2. . . Slave device

10. . . Screen combination display system

12. . . Storage device

14. . . processor

16. . . Display screen

18. . . Bluetooth device

100. . . Setting module

102. . . Receiving module

104. . . Arrangement module

106. . . Picture cutting module

108. . . Picture transfer module

110. . . Picture playback module

1 is a schematic view showing the hardware structure of a screen combination display system in a preferred embodiment of the present invention.

FIG. 2 is a schematic structural diagram of the main control electronic device in FIG.

3 is a flow chart showing the operation of the screen combination display method in the preferred embodiment of the present invention.

FIG. 4 exemplifies a screen displayed by the six slave devices in combination with the display of the master electronic device.

1. . . Master electronic device

10. . . Screen combination display system

12. . . Storage device

14. . . processor

16. . . Display screen

18. . . Bluetooth device

100. . . Setting module

102. . . Receiving module

104. . . Arrangement module

106. . . Picture cutting module

108. . . Picture transfer module

110. . . Picture playback module

Claims (10)

A screen combined display method is applied to a host electronic device, and the method includes:
a setting step of setting two or more slave devices associated with the master electronic device, wherein the master electronic device and each slave device each have a display screen;
Arranging steps, combining the slave device arrays into a rectangle, and setting a number for each slave device according to the arrangement order of the slave devices;
a screen cutting step of dividing each frame of the screen displayed by the master electronic device into a plurality of display blocks, and setting a number for each display block according to the arrangement order of the slave devices, wherein the number of the display blocks is equal to The number of slave devices;
a screen transfer step of associating the number of each of the slave devices with a number of a display block at a corresponding position on the display screen of the master electronic device, and transmitting the screen displayed by each display block to the number by wireless transmission And an associated slave device; and a screen playing step of controlling the display screen of the slave device to synchronously display the received screen. The screen combination display method of claim 1, wherein the wireless transmission mode refers to Bluetooth transmission. The screen combination display method as described in claim 2, before the screen transmission step, further includes:
The master device and the Bluetooth device of each slave device are turned on to establish a communication connection. The screen combination display method of claim 1, wherein the screens of the slave devices are the same or similar in size. The screen combination display method according to claim 1, wherein the method simultaneously transmits the voice data to each slave device while the screen is transmitted in the screen transfer step, and synchronizes in all the slave devices in the screen play step. Play the voice data corresponding to each frame. A screen combined display system is applied to a host electronic device, the system comprising:
a setting module, configured to set two or more slave devices associated with the master electronic device, wherein the master electronic device and each slave device each have a display screen;
Arranging a module for arranging the slave devices into a rectangle, and setting a number for each slave device according to the arrangement order of the slave devices;
a picture cutting module, configured to divide each frame of the screen displayed by the electronic device into a plurality of display blocks, and set a number for each display block according to the arrangement and combination order of the slave devices, wherein the display block The number is equal to the number of slave devices;
a screen transfer module for associating the number of each of the slave devices with a number of a display block at a corresponding position on the display screen of the master electronic device, and displaying the screen displayed by each display block by wireless transmission Sending to the slave device associated with the number; and the screen play module for controlling the display screen of the slave device to synchronously display the received screen. The screen combination display system of claim 6, wherein the wireless transmission mode refers to Bluetooth transmission. The screen combination display system as described in claim 7 of the patent application, further comprising:
The receiving module is configured to receive an operation of the Bluetooth device that turns on the host electronic device and each slave device to establish a communication connection. The screen combination display system of claim 6, wherein the screens of the slave devices are the same or similar in size. The screen combination display system of claim 6, wherein the picture transfer module synchronously transmits voice data to each slave device while performing screen transfer, and the screen play module is further used for All the voice data corresponding to each frame picture are played synchronously from the device.