TWI475399B - Data transferring method and system - Google Patents

Description

Data transmission method and system

The invention relates to a data transmission method, in particular to a data transmission method suitable for a handheld electronic device.

With the rapid growth of the use of handheld electronic devices, more and more users will connect handheld electronic devices to personal computers for data backup or file transfer. Generally speaking, after the user connects the handheld electronic device to the computer, the file transfer is still performed by a traditional file manager. If the user cannot know the path or folder where the file in the handheld electronic device is located, or does not know which folder the file is stored in the handheld electronic device, the user may not be able to use the handheld electronic device. Read the file correctly.

An embodiment of the present invention provides a data transmission method suitable for file transmission between a handheld device and a computer. The data transmission method includes: the handheld device performs a pairing process with the computer through a first wireless communication protocol; and a touch screen of the handheld device displays a desktop connected to a display of the computer; the handheld device is used according to a Generating a file information at a touch position of the touch screen and transmitting the file information to the computer via a second wireless communication protocol; the computer transmits a first file via the second wireless communication protocol according to the file information To the handheld device.

Another embodiment of the present invention provides a data transmission system. The information The transmission system includes a computer host, a display coupled to the computer host, and a handheld device. The handheld device has a touch screen that displays a desktop of the display. The handheld device performs a pairing process with the computer through a first wireless communication protocol, and establishes a wireless connection with one of the computer hosts via a second wireless communication protocol, the handheld device is based on a user's touch screen A touch location generates a file information and transmits the file information to the computer through the second wireless communication protocol. After receiving the file information, the computer transmits a first file corresponding to the file information to the handheld device.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments. The directional terms mentioned in the following embodiments, such as up, down, left, right, front or back, etc., are only directions referring to the additional drawings. Therefore, the directional terminology used is for the purpose of illustration and not limitation.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic illustration of an embodiment of a data transmission system in accordance with the present invention. The handheld device 13 first performs security authentication with the host computer 11 through a first communication protocol. A first application is installed in the handheld device 13, and a corresponding second application is also installed in the host computer 11. The first application performs a secure authentication procedure or a handshaking procedure with the second application via the first communication protocol. After the handheld device 13 and the host computer 11 complete the authentication, the handheld device 13 establishes a wireless connection with the computer host 11 through a second communication protocol. In this embodiment, the first communication protocol may be an infrared communication protocol, a Bluetooth communication protocol, or a near field pass. Letter (Near Field Communication, NFC) agreement. The second communication protocol may be a WiFi wireless network communication protocol or other wireless network communication protocol.

A camera device (not shown) on the handheld device 13 is then activated. The user aligns the camera device on the handheld device 13 with the display 12 such that the touch screen 14 of the handheld device 13 displays the display currently displayed by the display 12. The user can click on the file displayed on the touch screen 14, such as the file D, and then the host computer 11 transmits the file D to the handheld device 13 through the second communication protocol.

In FIG. 1, if the user clicks on the folder A, B or C, the host computer 11 transmits the folder A, B or C and its included files to the handheld device 13 in its entirety. If the user clicks on the file D, E or F, the host computer 11 transmits the file D, E or F to the handheld device 13. In the present embodiment, the host computer 11 transmits the data to the handheld device 13 via the second communication protocol.

In another embodiment, a scanning device is installed in the computer host 11, and the information of the second communication protocol and related settings that can be used by the computer host 11 to transmit data can be transmitted in a broadcast manner. When the handheld device 13 detects the message from the host computer 11, the user 13 can execute the first application in the handheld device 13 and perform the second application in the computer host 11 through the first application. Pairing procedure. When the handheld device 13 is successfully paired with the host computer 11, the first application launches the camera device of the handheld device 13. The user then aligns the camera device on the handheld device 13 with the display 12 such that the touch screen 14 of the handheld device 13 displays the display currently displayed by the display 12. Users can access the screen 14 through the touch screen. The desired file is selected and the information of the file is transmitted to the host computer 11 so that the host computer 11 can transfer the file to the handheld device 13.

In another embodiment, the handheld device 13 can obtain the picture currently displayed by the display 12 without passing through the camera. After the handheld device 13 is successfully paired with the host computer 11, the host computer 11 transmits the current display screen of the display 12 to the handheld device 13 through the second communication protocol and displays it on the touch screen 14. Then, when the user selects a file through the touch screen 14, the handheld device 13 transmits the related information of the file to the host computer 11. After the computer host 11 interprets the related information, the file is transmitted to the handheld device 13.

In this embodiment, the processor of the handheld device 13 can identify the file name of the file selected by the user through an image recognition software, and transmit the file name to the computer host 11. In another embodiment, the processor of the handheld device 13 obtains a target of a touch position of the user on the touch screen, and then the processor will according to the size and resolution of the touch screen 14 and the display 12. The coordinate is converted into a first coordinate, and the first coordinate is transmitted to the host computer 11. The host computer 11 searches for the file selected by the user based on the first coordinate and transmits the file to the handheld device 13.

Fig. 2 is a flow chart showing an embodiment of a data transmission method according to the present invention. In step S21, the handheld device executes an application and pairs with the computer via a first communication protocol. For example, a handheld device can be paired with a computer via a Bluetooth protocol or authenticated via an NFC protocol. In another embodiment, the computer can scan the handheld device in a specific area through the first communication protocol and determine whether the handheld device has the application installed. If the computer detects that the handheld device has When the application is installed, a request is sent to the handheld device for pairing with the handheld device. After the pairing process, the handheld device receives an internet connection message from the computer. The network connection information may include a computer's network IP address, port number, connection account number and password, or other information needed to establish a wireless network connection.

In step S22, the handheld device establishes a wireless connection with the computer through a second communication protocol according to the network connection information. Next, in step S23, the touch screen of the handheld device displays the desktop currently displayed on the display of the computer. In one embodiment, the user utilizes the camera device of the handheld device to obtain the desktop currently displayed by the display of the computer. In another embodiment, the computer transmits the desktop currently displayed by the display directly to the handheld device and displays it on the touch screen of the handheld device.

The user can then select the desired file through the touch screen. When a controller of the touch screen detects that the user touches the touch screen, the controller detects a touch position of the user on the touch screen, and determines the user's selection according to the touch position. A first file. Then, in step S24, a processor in the handheld device transmits a file information corresponding to the first file to the computer through the second wireless communication protocol. In step S25, the computer interprets the file information and transmits the first file to the handheld device via the second wireless communication protocol.

In the present invention, the data transmission between the handheld device and the computer may be completed by a first application in the handheld device and a second application in the computer. When the computer transmits the first file to the handheld device, the first file may be stored in a specific storage space, and the user must access the first file through the first application. Users can also The first file is set to be public through the first application, so that the first file can be accessed by other applications in the handheld device. In another embodiment, the first file is directly stored in a storage medium of the handheld device, and the first file is preset to be accessible by all applications installed in the handheld device.

In the flow of FIG. 2, the handheld device must generate file information corresponding to the file selected by the user according to the user's action, and transmit the file information to the computer, and then the computer can interpret the file information and transmit the corresponding file to the file. Use the device. The method for generating file information can be referred to as follows.

Figure 3 is a flow chart showing an embodiment of a file information generating method according to the present invention. In step S31, the handheld device first detects whether the user has touched the touch panel of the handheld device. If it is detected that the user touches the touch panel, a processor in the handheld device detects a first file selected by the user. Next, in step S32, the processor captures the image of the first file selected by the user, and then obtains the file name of the first file by image recognition. Next, in step S33, the processor generates a file information according to the file name. The file information may include the file name or the location of the folder where the first file is located. In step S34, the processor transmits the file information to the computer through a wireless network. The computer transmits the first file to the handheld device after receiving the file information.

In the embodiment of FIG. 3, the processor of the handheld device learns the file selected by the user in an image recognition manner. For the method of image recognition, please refer to the descriptions of Figures 4 and 5. Figure 4 is a schematic illustration of an embodiment of an image recognition method in accordance with the present invention. When the user selects a file on the touch screen, the image recognition software in the handheld device will first be based on the user. The touch position of the touch screen captures the first image 41. Then, the image recognition software first recognizes the position of the icon and captures the second image 42 again. Generally, the file name is usually located below the figure. Therefore, when the image recognition software determines the position in the first image 41, the second image 42 in a specific area below the icon is captured. Then, the image recognition software recognizes the second image 42 by an optical character recognition (OCR) method to obtain a file name information. The processor then generates the file information based on the file name information and transmits it to the computer.

Figure 5 is a schematic illustration of another embodiment of an image recognition method in accordance with the present invention. In this embodiment, the user selects a file in a folder as an example. First, the image recognition software first identifies whether the user is selecting a file in a folder. If so, the image recognition software will capture the image of the entire folder, as shown in Figure 5. Then, the image recognition software captures the first image 51 and the second image 52. The first image 51 is an area for displaying a folder path, and the second image 52 can be obtained by referring to the description of FIG. The image recognition software recognizes the first image 51 by optical character recognition to obtain the folder position D:\DCIM. Then, the image recognition software recognizes the second image 52 by optical character recognition to obtain the file name DCIM1011.JPG. The image recognition software transmits the folder position and file name to the processor of the handheld device. The processor generates file information based on the folder location and file name and transmits it to the computer.

Figure 6 is a diagram showing an embodiment of a file information generating method according to the present invention. In the embodiment of FIG. 6, the processor of the handheld device generates the file information according to a piece of data of the user's touch position on the touch panel of the handheld device. Take Figure 6 as an example to illustrate when the user points When the icon 61 is selected, the processor of the handheld device or the touch sensor of the touch panel detects the touch position of the user on the touch panel of the handheld device, and obtains a corresponding touch panel. A standard (X, Y).

Then, the processor of the handheld device may have two processing methods. In the first method, the processor of the handheld device first converts the first coordinate to the display icon 61 on the computer display according to the size or resolution of the touch panel of the handheld device and the size or resolution of the computer display. Second coordinate. The processor of the handheld device then transmits the second coordinate to the computer, and the computer then learns from the second coordinate that the user clicks on the icon 61, and then transmits the file corresponding to the icon 61 to the handheld device.

In this embodiment, the touch panel of the handheld device displays the current display screen of the computer display, so the icon 61 is simultaneously displayed on the touch panel and the computer display of the handheld device.

Another method of processing is that the processor of the handheld device transmits the first coordinate directly to the computer. Or the handheld device transmits the size or resolution of the first coordinate, touch panel of the handheld device to the computer. An application or a processor in the computer converts the first coordinate to the second coordinate of the corresponding computer display according to the size or resolution of the touch panel of the first coordinate or the handheld device. The computer then knows from the second coordinate that the user clicks on the icon 61, and then transfers the file corresponding to the icon 61 to the handheld device.

Figure 7 is a flow chart showing another embodiment of a file information generating method according to the present invention. In step S71, the processor of the handheld device or the sensor of the touch panel detects the location of the file selected by the user. In step S72, the processor of the handheld device or the sensor of the touch panel obtains a target of the file on the touch screen of the handheld device. If it is a touch panel When the sensor obtains the coordinate, the sensor transmits the obtained coordinates to the processor of the handheld device. In step S73, the processor of the handheld device converts the coordinate to a first coordinate of the desktop corresponding to the display of the computer display according to the size or resolution of the touch panel of the handheld device and the size or resolution of the computer display. In step S74, the processor of the handheld device transmits the first coordinate to the computer. In step S75, the computer searches for the file based on the first coordinate and transmits the file to the handheld device.

Figure 8 is a schematic illustration of an embodiment of a handheld device in accordance with the present invention. The handheld device includes a processor 81, a first wireless module 82, a second wireless module 83, a camera module 84, a touch screen 85, an image recognition program 86, a coordinate detection module 87, and a coordinate conversion module 88. When the user wants to use the handheld device to obtain a file in the computer, the user first executes an application of the handheld device. Then, the processor 81 performs a pairing process with the computer through the first wireless module 82. The pairing program includes a secure authentication program or a handshaking program. The purpose of the pairing procedure is to enable the computer to confirm whether the handheld device has access to the files in the computer.

When the pairing process ends, the computer transmits a network connection data to the processor 81 via a first wireless communication protocol. Then, the processor establishes a wireless connection with the computer through the second wireless module 83 according to the network connection data. In this embodiment, the first communication protocol may be an infrared communication protocol, a Bluetooth communication protocol, or a Near Field Communication (NFC) protocol. The second communication protocol may be a WiFi wireless network communication protocol or other wireless network communication protocol. In other words, the first wireless module may be an infrared module, a Bluetooth module or an NFC module, and the second wireless module may be a WiFi wireless module.

When the wireless connection is established, the touch screen of the handheld device displays the current display or desktop of a display connected to the computer. In one embodiment, the user utilizes the camera device of the handheld device to obtain a picture currently displayed on the display of the computer. That is, the user can align the camera device of the handheld device with the display of the computer, and display the screen of the computer display on the touch screen through the camera device and the corresponding application program. In another embodiment, the computer transmits the current display of the display directly to the handheld device and displays it on the touch screen of the handheld device.

When a controller of the touch screen detects that the user touches the touch screen, the controller detects a touch position of the user on the touch screen and obtains a related information according to the touch position. For example, the relevant information may be an image or a logo value.

If the related information is an image, the processor 81 executes an image recognition program 86 to obtain the file name of the file that the user wants to select. The operation of the image recognition program 86 can be referred to the descriptions of FIGS. 4 and 5. If the related information is a standard value, the coordinate value can be obtained by a standard detection module 87, and then the coordinate conversion module 88 is based on the size or resolution of the touch screen 85 of the handheld device and the size or resolution of the display of the computer. Degree, the coordinate value is converted to a first coordinate value corresponding to the computer display.

The processor 81 then generates a file information based on the first coordinate value or the file name and transmits it to the computer. The computer then transmits the corresponding file to the handheld device according to the file information.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are Still It is within the scope of the patent of the present invention. In addition, any of the objects or advantages or features of the present invention are not required to be achieved by any embodiment or application of the invention. In addition, the abstract sections and headings are only used to assist in the search of patent documents and are not intended to limit the scope of the invention.

11‧‧‧Computer host

12‧‧‧ display

13‧‧‧Handheld devices

14‧‧‧ touch screen

81‧‧‧ processor

82‧‧‧First wireless module

83‧‧‧Second wireless module

84‧‧‧Photographic module

85‧‧‧ touch screen

86‧‧‧Image recognition program

87‧‧‧Coordinate Detection Module

88‧‧‧Coordinate conversion module

41‧‧‧ first image

42‧‧‧Second image

51‧‧‧ first image

52‧‧‧Second image

61‧‧‧ icon

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic illustration of an embodiment of a data transmission system in accordance with the present invention.

Fig. 2 is a flow chart showing an embodiment of a data transmission method according to the present invention.

Figure 3 is a flow chart showing an embodiment of a file information generating method according to the present invention.

Figure 4 is a schematic illustration of an embodiment of an image recognition method in accordance with the present invention.

Figure 5 is a schematic illustration of another embodiment of an image recognition method in accordance with the present invention.

Figure 6 is a diagram showing an embodiment of a file information generating method according to the present invention.

Figure 7 is a flow chart showing another embodiment of a file information generating method according to the present invention.

Figure 8 is a schematic illustration of an embodiment of a handheld device in accordance with the present invention.

11‧‧‧Computer host

12‧‧‧ display

13‧‧‧Handheld devices

14‧‧‧ touch screen

Claims (13)

A data transmission method for file transmission between a handheld device and a computer, comprising: the handheld device performing a pairing process with the computer through a first wireless communication protocol; and a touch screen display connection of the handheld device a desktop of a display of the computer; the handheld device generates a file information according to a touch position of the touch screen and transmits the file information to the computer through a second wireless communication protocol; and the computer Transmitting a first file to the handheld device via the second wireless communication protocol according to the file information. The data transmission method of claim 1, further comprising: after the computer and the handheld device complete the pairing process, the computer transmits a connection information to the handheld device; and the handheld device is connected according to the connection Information, establishing a network connection with the computer through the second wireless communication protocol. The data transmission method of claim 1, wherein the handheld device obtains the desktop through a camera module of the handheld device. The data transmission method of claim 1, wherein the computer transmits the desktop to the display device via the second wireless communication protocol. For example, the data transmission method described in claim 1 of the patent scope further includes: And capturing a first image according to the touch position; identifying the first image to obtain a file name of a first file; and generating the file information according to the file name. The data transmission method of claim 1, further comprising: obtaining a first coordinate of the touch position; and generating the file information according to the first coordinate. The data transmission method of claim 6, further comprising: according to the size of the touch screen, a first resolution of the touch screen, a size of the display, and a second resolution of the display The first coordinate is converted to a second coordinate corresponding to the display; and the file information is generated according to the second coordinate. A data transmission system includes: a computer host; a display coupled to the computer host; and a handheld device having a touch screen for displaying a desktop of the display; wherein the handheld device communicates with a first wireless communication protocol The computer performs a pairing process and establishes a wireless connection with one of the computer hosts via a second wireless communication protocol. The handheld device generates a file information according to a user's touch position on the touch screen and transmits the file information. The second wireless communication protocol transmits the file information to the computer, and when the computer receives the file information, transmits a first file corresponding to the file information to the handheld device. The data transmission system as described in claim 8 of the patent application, wherein The handheld device further includes a camera module for taking the desktop. The data transmission system of claim 8, wherein the computer host transmits the desktop to the handheld device via the second wireless communication protocol. The data transmission system of claim 8, wherein when the computer and the handheld device complete the pairing process, the computer transmits a connection information to the handheld device, and the handheld device establishes the connection information according to the connection information. The network is connected. The data transmission system of claim 8, wherein the handheld device captures and recognizes a first image according to the touch position to obtain a file name of a first file, and generates the file according to the file name. News. The data transmission system of claim 8, wherein the handheld device obtains a first coordinate of the touch position and generates the file information according to the first coordinate.