KR20100012598A - The method of transmitting file and the apparatus thereof - Google Patents

Abstract

PURPOSE: A method of transmitting a file and an apparatus thereof are provided to transmit the remaining part of files parts which are have not been transmitted even though a separate user command is not inputted, thereby improving user providing convenience to a user. CONSTITUTION: If a mode of a broadcasting receiving device is changed, the first file processing unit(230) applies processes the remaining part of files file parts which are not transmitted according to the changed mode to the third interface unit(226). If a file transfer is temporarily stopped, the first file processor sets transmission stop information in a packet. The first file processor applies the set information to the third interface unit.

Description

The method of transmitting file and the apparatus

The present invention relates to a method of transmitting a file and a device to which the same is applied.

An image device is a device for reproducing or recording a broadcast, an image recorded on a recording medium, an image transmitted from the outside, and the like. A representative example of the video device is a broadcast receiving device.

Conventional broadcast receiving apparatus is a client (client), it was common to perform a role as a receiving end to download information from the outside for updating, or to receive and reproduce the image including the broadcast signal.

However, as new functions of the broadcast receiving device have been developed, the broadcast receiving device has a role of transmitting end for transmitting a file such as an image to an external device. In such an environment, when a broadcast receiving device that has insufficient resources as compared to other video apparatuses allocates a lot of time and memory to file transmission, a problem occurs that the function of the broadcast receiving device is degraded.

In addition, while the file is being transmitted, the user may not only be able to use other functions of the broadcast receiving device, but also when the user uses other functions of the broadcast receiving device before the file transmission is completed. The file transfer may also fail.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a method for transmitting a file without degrading the function of the image device and an image device to which the same is applied.

According to an embodiment of the present invention, a file transfer method of a device includes: determining whether a mode of the device is changed while a file is transferred to an external device; If it is determined that the mode of the device has been changed, selecting whether to continue the transmission of the file or to stop the transmission of the file; And if it is selected to continue the transmission of the file, continuing to transmit the untransmitted portion of the file.

In the selecting step, when it is determined that the mode of the device is changed to one of a broadcast mode, a standby mode, and a power-off mode, it is preferable to select to continue transmission of the file.

In addition, when the mode of the device is changed to the power-off mode, it is preferable that the power of the device is turned off after the file transfer is completed.

When the device mode is changed to one of a broadcast mode and a standby mode, the device may perform a function corresponding to the changed mode while the file is being transmitted.

In the selecting step, when it is determined that the mode of the device is changed to one of a file reproduction mode and an information providing mode, the transmission of the file is preferably selected.

And if it is selected to stop the transmission of the file, stopping the transmission of the file; And generating information about the file at which the transmission was stopped.

The information on the file of which transmission has been stopped may include at least one of a file name of the file that has been stopped and the packet number of the file that was last transmitted.

If it is determined that the file can be transferred to an external device, the step of transmitting the untransmitted portion of the file that has been stopped is transmitted.

In addition, the state in which the file can be transmitted to an external device is preferably one of a transmission mode, a broadcast mode, and a standby mode.

On the other hand, to achieve the above object, according to an embodiment of the present invention, a file transmission method of another device, the method comprising the steps of determining whether the mode of the device is changed while the file is transferred to an external device; If it is determined that the mode of the device has been changed, stopping the transmission of the file; And generating information on the file at which the transmission has been stopped.

The information on the file of which transmission has been stopped may include at least one of a file name of the file which has been stopped and a packet number of the file which was last transmitted.

In addition, the step of stopping the transmission of the file is preferably performed if it is determined that the mode of the device is changed to any one of a file play mode, an information providing mode and a power-off mode.

If it is determined that the file can be transferred to an external device, the step of transmitting the untransmitted portion of the file that has been stopped is transmitted.

In addition, the state in which the file can be transmitted to an external device is preferably one of a transmission mode, a broadcast mode, and a standby mode.

On the other hand, a device capable of file transfer according to an embodiment of the present invention for achieving the above object, the file processing unit for transmitting a file to an external device; And if it is determined that the mode of the device is changed while the file is being transmitted to an external device, selecting whether to continue the file transfer or stop the transfer of the file, and selecting to continue the file transfer. And a control unit controlling the file processing unit so that untransmitted portions of the file are continuously transmitted.

If it is determined that the mode of the device is changed to one of a broadcast mode, a standby mode, and a power-off mode, the controller may select to continue the file transmission.

In addition, when the mode of the device is changed to the power-off mode, the control unit preferably controls the device so that the power of the device is turned off after the transmission of the file is completed.

The controller may control the device to perform a function corresponding to the changed mode while the file is transmitted when the mode of the device is changed to one of a broadcast mode and a standby mode.

In addition, when it is determined that the mode of the device is changed to one of a file reproduction mode and an information providing mode, the controller selects to stop the transmission of the file.

If the control unit selects to stop the transmission of the file, the control unit stops the transmission of the file, and preferably controls the file processing unit to generate information on the stopped file.

The information on the file of which transmission has been stopped may include at least one of a file name of the file that has been stopped and the packet number of the file that was last transmitted.

If it is determined that the device is in a state capable of transmitting a file to an external device, the controller preferably controls the file processor to transmit an untransmitted portion of the stopped file.

In addition, the state in which the file can be transmitted to an external device is preferably one of a transmission mode, a broadcast mode, and a standby mode.

On the other hand, in accordance with an embodiment of the present invention for achieving the above object, another file transfer possible device, File processing unit for transmitting a file to an external device; And a controller for controlling the file processor to stop transmission of the file and to generate information about the stopped file when it is determined that the mode of the device is changed while the file is transmitted to the external device.

The information on the file of which transmission has been stopped may include at least one of a file name of the file which has been stopped and a packet number of the file which was last transmitted.

In addition, when it is determined that the device is in a state capable of transmitting a file to an external device, the controller preferably controls the file processor to transmit an untransmitted portion of the file that has been stopped.

According to various embodiments of the present invention, it is possible to successfully transmit a file without degrading the function of the device.

In addition, when the file transfer is stopped, when the device is able to transfer the file, the rest of the untransmitted file may be transmitted even if a separate user command is not input, thereby providing convenience to the user.

Hereinafter, with reference to the drawings will be described the present invention in more detail.

1 is a block diagram of an imaging system according to an embodiment of the present invention. As shown in FIG. 1, the first broadcast receiving apparatus 10 of the video system includes a mail server 20, a web server 30, a personal computer (PC) 40, a second broadcast receiving apparatus 50, and the like. It is connected to the external device of the network. In addition, the first broadcast receiving device 10 is connected to an external storage medium such as a camera 12 or a camcorder 14, a memory stick 16, or the like without a built-in memory by wire or wireless.

Thus, the first broadcast receiving apparatus 10 may receive a file stored in an external storage medium and transmit the file to the receiving end of the mail server 20 or the like, and may transmit the image file photographed by the camera 12 to the receiving end. When the first broadcast receiving apparatus 10 transmits a file to the receiver, the file may be directly transmitted through the network, but the file may be transmitted to the receiver through an intermediate medium such as the file server 60.

In this way, when the broadcast receiving device transmits a file to an external device, it is preferable that the file is successfully transmitted while minimizing the degradation of the function of the broadcast receiving device.

2 is a block diagram of a broadcast receiving apparatus corresponding to a transmitting end or a receiving end. As shown in FIG. 1, the broadcast receiving apparatus includes a broadcast receiver 210, an interface unit 220, a first file processor 230, a first storage unit 240, a switching unit 250, and a signal processor ( 260, a signal output unit 270, a first control unit 280, and an operation unit 290.

The broadcast receiver 210 tunes and demodulates the TV broadcast.

The interface unit 220 is a device that enables the broadcast receiving apparatus to communicate with an external device, and includes a first interface unit 222, a second interface unit 224, and a third interface unit 226.

The first interface unit 222 receives a file from an external storage medium having a recording medium for recording a file such as an image, or transmits the file to the external storage medium. The external storage medium may be a PC, a USB memory stick, a memory card, a PVR, or the like.

The second interface unit 224 receives a file from an external device that does not have a recording medium. For example, the second interface unit 224 receives an image captured by a camera without an internal memory.

The third interface unit 226 is connected to an external device through a network to transmit a file to or receive a file from the external device. External devices connected to the network include a mail server, a messenger server, a web server, a UCC server, a PC, and a broadcast receiving device.

When the file is transmitted, the first file processor 230 applies the file, which is received from the switching unit 250, to the third interface unit 226 in packet units, and from the third interface unit 226 when receiving the file. The authorized file may be applied to the switching unit 250 in packet units.

Specifically, when transmitting a file, when the mode of the broadcast receiving device is a transmission mode, the first file processing unit 230 preferably applies the file to the third interface unit 226. However, when the mode of the broadcast receiving apparatus is changed, the first file processor 230 transfers the remaining portion (ie, untransmitted) of the untransmitted file to the third interface unit 226 without stopping transmission according to the changed mode. If it is authorized or temporarily stops file transmission and the broadcast receiving device is able to transmit the file later, the remaining part of the untransmitted file is transmitted.

When the file transmission is temporarily stopped, the first file processing unit 230 not only sets the transmission stop information in the packet to apply to the third interface unit 226 but also stores the information of the file that has been stopped in the storage unit. . The transmission stop information is preferably recorded as a specific flag in the reservation area of the header area of the last packet transmitted before the transmission stop. In addition, the transmission stop information may be recorded in a newly generated packet after transmitting the packet of the file. Preferably, the transmission stop information includes at least one of information indicating that the transmission of the file is stopped and information about the file that has been stopped. In addition, the information of the file that has been suspended may include a file name and a number of the last transmitted packet.

In addition, when the file transmission is resumed, the first file processor 230 may set the transmission resumption information in the next packet of the transmitted packet or may set the newly generated packet before resuming transmission. The transmission resume information preferably includes information that the transmission has been resumed and information about the file that has stopped transmission.

In relation to the present invention, a mode of a broadcast receiving apparatus includes a broadcast mode, a standby mode, a power-off mode, a wiselink mode, an infolink mode, and the like. The broadcast mode is a mode for receiving and reproducing broadcast signals. The standby mode is a state in which the broadcast receiver is powered on or has not received a separate command from the user. The power-off mode is a power-off command by the user. This mode is to receive and perform the function accordingly.

The WiseLink mode is a mode in which a broadcast receiving device receives and plays a file such as a video or music stored in an external storage medium such as a memory card, and the Infolink mode includes information such as news, weather forecast, and stock market via the Internet. It is a mode to provide. Modes of the broadcast receiving apparatus may include various modes other than the broadcast mode, the standby mode, the power-off mode, the wise link mode, and the info link mode. However, the present invention is limited to the above-described modes for convenience of description.

In addition, when receiving a file, the first file processor 230 stores the file received from the third interface unit 226 in the first storage unit 240 in a packet unit or applies it to the switching unit 250. When the file reception is stopped while receiving the file, the first file processing unit 230 stores the information of the file from which the file reception has been stopped in the first storage unit 240, and when the file reception is resumed, finally receiving the file. The first packet is received from the next packet and stored in the first storage unit 240 or applied to the switching unit 250.

The switching unit 250 performs a switching operation so that any one of the outputs of the broadcast receiving unit 210 and the interface unit 220 is applied to the signal processing unit 260, or the signal processing unit receives the signal received by the broadcast receiving unit 210. In operation 260, the switching operation is performed to apply the signal received by the first interface unit 222 or the second interface unit 224 to the first file processor 230. The switching operation of the switching unit 250 is under the control of the first control unit 280.

The signal processor 260 may signal the audio processor 262 for processing the audio signal received from the switching unit 250 and the video processor 264 for signal processing the video signal received from the switching unit 250. ).

In addition, the signal output unit 270 may include an audio output unit 272 for outputting an audio signal signal processed through the audio processor 262 and a video output unit for displaying a video signal processed through the video processor 264. 274).

The first control unit 280 determines the user command received from the operation unit 290 to be described later to control the operation of the broadcast receiving apparatus. In particular, the first controller 280 determines the mode of the broadcast receiving apparatus based on a user command input through the manipulation unit 290. When the mode of the broadcast receiving device is a transmission mode, the first controller 280 controls various functional blocks of the broadcast receiving device so that a file is transmitted to an external device. However, when a user command to change the mode of the broadcast receiving apparatus is input while the file is being transmitted, the first controller 280 determines the type of the changed mode, so that the file is transmitted by changing the file transmission method according to the changed mode. The first file processor 230 is controlled.

The operation unit 290 is a device that receives a user's operation command and transmits it to the first control unit 280, and may be provided as an integrated type or a separate type from the broadcast receiving device. In addition, the operation may be implemented as a user interface for inputting a user command through a menu screen. In addition, the operation unit 290 may be implemented as a light receiving unit that receives the remote control for inputting the user's operation command and the output signal of the remote control to the first control unit 280.

Hereinafter, a method of transmitting a file according to the mode of the broadcast receiving apparatus shown in FIG. 2 will be described in detail with reference to FIGS. 3 to 5.

3 is a flowchart provided in a process of transmitting an untransmitted portion of a file when a mode of a broadcast receiving device, which is a transmitting end, is changed while a file is being transmitted, according to an embodiment of the present invention.

First, the first controller 280 determines whether the mode of the broadcast receiving device is a transmission mode (S305).

In the transmission mode (S305-Y), the user selects a file to be transmitted through the operation unit 290 and an external device to transmit the file (S310). In more detail, the user may select a file to be transmitted and an external device to which the file is to be transmitted while viewing the display unit of the broadcast receiving apparatus.

The first controller 280 determines whether a transmission command has been input (S315). The user selects a file to be transmitted and an external device to which the file is to be transmitted, and then inputs a transmission command by selecting a confirmation button provided on the operation unit 290 or a confirmation or transmission button displayed on the display unit.

According to the transmission command, the broadcast receiving device transmits a file to an external device (S320).

On the other hand, the first control unit 280 determines whether the mode of the broadcast receiving apparatus is changed before transmission is completed, that is, while the file is being transmitted (S325-N) (S330). It is common for a user to change a mode of a broadcast receiving apparatus after file transmission is completed. However, when a user wants to watch a broadcast while a file is being transmitted, the user may change the mode of the broadcast receiving device to the broadcast mode, or may change the power to a power-off mode in which the broadcast receiving device is turned off. You can change to the wise link mode to play the.

If it is determined that the mode of the broadcast receiving apparatus is changed to the power-off mode (S335-Y), the first control unit 280 controls various functional blocks of the broadcast receiving apparatus to continuously transmit the file being transmitted without interruption (S340). ).

When the transmission is completed (S354-Y), the first control unit 280 turns off the power of the broadcast receiving device (S350). In this case, the broadcast receiving device may provide a message that the power is automatically turned off after the file is transmitted, so that the user may recognize that the file is being transmitted.

If it is determined that the mode of the broadcast receiver is changed to the broadcast mode (S355-Y), the first control unit 280 controls various functional blocks of the broadcast receiver to continuously transmit files without stopping while receiving and playing the broadcast. (S360). Substantially, since a load of the broadcast receiving apparatus is less generated when playing a broadcast, the broadcast receiving apparatus can transmit a file while playing the broadcast. In this case, the switching unit 250 applies the broadcast signal received from the broadcast receiving unit 210 to the signal processing unit 260 and simultaneously receives the file received from the first or second interface unit 222 and 224. Apply to the file processing unit 230. The first file processor 230 applies the file to the third interface unit 226 without a packet, and the third interface unit 226 transmits the file to the selected external device through the network.

When the file transfer is completed (S365-Y), the broadcast receiving device receives and plays only the broadcast (S370).

In addition, if it is determined that the mode of the broadcast receiving apparatus is changed to the standby mode (S375-Y), the first controller 280 controls the broadcast receiving apparatus to transmit the file without stopping (S380). In the standby mode, the power is on. However, since the broadcast receiving apparatus does not perform a specific function, the first controller 280 continuously transmits the files until the file transfer is completed.

When the file transfer is completed (S385-Y), the broadcast receiving apparatus maintains a standby state in which no function is performed (S390).

On the other hand, if it is determined that the mode of the broadcast receiving apparatus is a power-off mode, a broadcast mode, or any other mode other than the standby mode (S395-Y), the file transmission is paused and file transmission is resumed later.

In FIG. 3, the file is transferred in the transfer mode, but is not limited thereto. If a file transfer command is input, it may be determined that the file is in the transfer mode.

4 is a flowchart provided in a process of pausing a file transmission and resuming the transmission according to an embodiment of the present invention.

If it is determined in the other mode (S395-Y), the first controller 280 requests the first file processor 230 to suspend file transfer, and the first file processor 230 transmits the last of the files. After the packet is transmitted, a packet in which transmission stop information is set is transmitted (S410). The transfer stop information preferably includes information indicating that the file transfer is not completed, a file name, and the like. In addition, the transmission stop information may be recorded as a specific flag in the reservation area of the header area of the packet of the file transmitted last of the file.

In operation S420, the first file processor 230 stores information about a file whose transmission has been stopped. The information on the file that has been stopped is preferably included in the file name and the number of the last packet transmitted.

Meanwhile, the first controller 280 determines whether the mode of the broadcast receiving apparatus is changed to one of a transmission mode, a broadcast mode, a power-off mode, and a standby mode (S430). The user can enter a power-off command by playing a file stored in an external storage medium through the wise link mode. At this time, the first controller 280 determines that the mode of the broadcast receiving apparatus is changed to the power-off mode.

When the mode of the broadcast receiving apparatus is changed to any one of a transmission mode, a broadcasting mode, a power-off mode, and a standby mode (S430-Y), the first controller 280 checks the state of an external device that has previously received a file. Data is transmitted through the third interface (S440).

If it is determined that the external device is in a reception possible state (S450-Y), the first control unit 280 requests the first file processing unit 230 to resume transmission, and the first file processing unit 230 transmits information on resuming transmission. Generates the packet set and transmits to the external device through the third interface unit 226 (S460). At this time, the transmission resumption information preferably includes information indicating the transmission of the remaining part of the file which has not been transmitted and the file name.

Thereafter, the first file processor 230 transmits the remaining portion of the file that has not been transmitted, and sequentially transmits the next packet of the last transmitted packet before stopping (S470). At this time, the transmission resume information may also be set to the next packet of the last transmitted packet.

As such, when the broadcast receiving apparatus performs a mode such as a wise link mode or an info link mode, a load is greatly generated. Thus, the broadcast receiving apparatus temporarily stops file transmission and first performs a function according to the wise link mode or the info link mode, thereby efficiently performing the function. However, in the standby mode, the broadcast mode, and the power-off mode, since the load is less generated, the broadcast receiving apparatus performs a function of playing a broadcast together with the file transfer, or preferentially performs a file transfer to the changed mode. By performing the function, the inconvenience of having to retransmit the file is eliminated by stopping the file transfer.

In the present embodiment, in the transmission mode, the standby mode, the broadcast mode, and the power-off mode, the file can be continuously transmitted. In other modes, the mode of the broadcast receiving apparatus is changed to a mode in which the file is paused and then transmitted. In this case, the untransmitted portion of the file is transmitted, but is not limited thereto. The continuous transmission of the file can be performed in any mode when the broadcast receiving apparatus performs a function and there is less load. In addition, in the power-off mode, the file transfer may be stopped, and the untransmitted portion of the file may be transmitted when the broadcast receiver is powered on later.

5 is a flowchart provided to a process in which a file transmission is paused and resumed while a broadcast receiving device as a receiving end receives a file according to an embodiment of the present invention.

First, the broadcast receiving device receives a packet of a file (S510). The received packet is stored in a storage unit in a broadcast receiving apparatus or an external storage medium connected to the broadcast receiving apparatus.

On the other hand, the broadcast receiving device determines whether transmission stop information is included in the received packet (S520). In detail, the first file processor 230 parses a packet received by the third interface and determines whether transmission stop information is included.

If it is determined that the transmission stop information is included (S520-Y), the first file processor 230 stores information about the file that has been stopped in the storage unit (S530). The information on the file that has been stopped is preferably included in the file name and the number of the last received packet.

After the file transmission is stopped, the broadcast receiving device receives the packet again, and determines whether the received packet includes resumption of transmission information (S540).

If it is determined that transmission resume information is included (S540-Y), the next received packet is recognized as the next packet of the last received packet before the transmission is stopped, and the received packet is included in the last received packet before the transmission is stopped. Receive continuously (S550).

As such, the broadcast receiving apparatus as a receiving end stores the received file without deleting the received file even if the transmission is stopped during the file transmission, and when the transmission is resumed, it receives and stores the next packet after the last received packet. There is no need to receive it repeatedly.

The file may be sent directly from the transmitting end to the receiving end over the network. However, it can also be assumed that the file is transmitted through the file server 60 which is an intermediate medium between the transmitting end and the receiving end. When the file is transmitted from the transmitting end to the receiving end without stopping, the file server 60 may simply perform the function of receiving and transmitting the file. In addition, even when the receiving end has a function of processing the transmission stop information and the transmission resumption information to connect and stop the suspended file (hereinafter referred to as an 'ear reception function'), the file server 60 simply receives and transmits the file. You may also perform a function.

However, a transmitting end that does not have the function of processing the transmission stop information and the transmission resumption information to connect and transmit the stopped file (hereinafter referred to as an 'ear transmission function') stops packet transmission of the file or subsequently does not have a reception function. When the receiving end receives the file, the file server 60 preferably transmits and receives the file in an appropriate manner.

Hereinafter, a method in which the file server 60 transmits and receives a file in an appropriate manner will be described in detail with reference to FIGS. 6 to 8.

6 is a block diagram of a file server 60 according to an embodiment of the present invention. As illustrated in FIG. 6, the file server 60 includes a receiver 610, a transmitter 620, a second storage unit 630, a second file processor 640, and a second controller 650.

The receiver 610 receives a file from the transmitter in a packet unit and applies it to the second file processor 640, and the transmitter 620 transmits a file received from the second file processor 640 to the receiver in a packet unit.

The second file processor 640 applies the received file to the transmitter 620 or stores the received file under the control of the second controller 650 to be described later. In addition, when the file transfer is stopped while receiving the file, the second file processor 640 generates a packet including the transfer stop information, applies the packet to the transmitter 620, and stores information about the file that has been stopped. When the file is resumed, the second file processor 640 generates a packet including the transmission resume information and applies the packet to the transmitter 620. In addition, the second file processing unit 640 receives the file until the entire file is received and stores the file in the second storage unit 630, and when the entire file is received, the file stored in the second storage unit 630 again. This may be read and applied to the bride 620.

The second control unit 650 controls the overall function of the file server 60. In particular, it is checked whether there is a function of subsequently transmitting or receiving the transmitting end or the receiving end. In determining the transmission or reception function, the specification of the external device registered in the file server 60 may be referred to. The above specification preferably includes the function of the device in the serial number and product name of the device. In addition, the controller may inquire whether a transmission or reception function is provided after the external device. Of course, the transmission or reception function may be determined in other ways.

If it is determined that the transmitting end and the receiving end have transmission and reception functions, respectively, the second control unit 650 controls the function blocks to deliver the file received from the transmitting end to the receiving end without any additional processing. However, if it is determined that there is no transmission or reception function, the second control unit 650 controls the second file processing unit 640 to process the file adaptively.

7 is a flowchart provided to a file server 60 in a process of transmitting / receiving a file when a transmitter has no transmission function according to an embodiment of the present invention.

First, the file server 60 receives a file from the transmitter in packet units and transmits the file to the receiver (S710).

On the other hand, it is determined whether the file reception is stopped before the file reception is completed (S720). In general, upon receiving a packet including file termination information, the file server 60 determines that the file reception is completed. However, when a packet is received that does not include the file termination information but the next packet is not received after a certain time, the second controller 650 determines that the file reception is stopped.

If it is determined that file reception is stopped (S730-Y), the second control unit 650 controls the second file processing unit 640 to generate information about the stopped file and store the information in the second storage unit 630 ( S740). The information about the suspended file preferably includes the file name and the number for the last received packet. In this case, the second file processor 640 generates the transmission stop information, and the generated transmission stop information is transmitted to the receiving end.

On the other hand, if the file can be received (S750), the second control unit 650 transmits the information about the suspended file to the transmitting end and requests transmission of the next packet of the last received packet among the files (S760).

In operation S770, the second file processor 640 receives the next packet and transmits it to the transmitter. Prior to transmitting the next packet, the second file processing unit 640 generates the transmission resumption information and transmits it to the transmitter.

8 is a flowchart provided to a file server 60 in a process of transmitting and receiving a file when the receiving end has no receiving function according to an embodiment of the present invention.

First, the file server 60 receives a file from the transmitter in a packet unit and stores it in the second storage unit 630 (S810).

If it is determined that file reception is stopped before the file reception is completed (S820-N, S830-Y), the second controller 650 generates information about the stopped file and stores the second file so that the second file is stored in the second storage unit 630. The processor 640 is controlled (S835).

If the file reception is possible (S840-Y), the second control unit 650 receives and stores the next packet of the last received packet (S845).

When the file reception is completed (S850-Y), the second file processing unit 640 reads the packet stored in the second storage unit 630 and transmits the packet to the receiving end (S855). In operation S860, the file stored in the second storage unit 630 is deleted (S865).

As such, even if the file transfer is stopped while the file is being transmitted or received, the file server 60 completes the file transfer if the file is transmitted / received by the transmitter / receiver even without an additional command from the user. Is sent.

In FIG. 8, when the receiving end has no receiving function, the file server 60 transmits the file to the receiving end after receiving the file to the transmitting end, but is not limited thereto. The file server 60 receives the file from the transmitting end and simultaneously stores the file and transmits the file to the receiving end. If the file transfer is stopped during the file transfer, the file server 60 stores a part of the received file, but the receiver deletes the part of the file. When the file transfer is resumed, the file server 60 may transmit the first packet of the file to the receiving end while receiving the next packet of the last received packet.

In addition, when both the transmitting end and the receiving end have no transmission and reception functions, the file server 60 may also transmit and receive files as shown in FIGS. 7 and 8.

In the exemplary embodiment, the file server 60 is described as a separate device from the broadcast receiving device, but is not limited thereto. The broadcast receiving device may read a file from a storage unit built in the broadcast receiving device and transmit the file to an external device, or receive a file stored in an external recording medium and transmit the file to an external device. In this case, the function of the file server 60 may be a function of the broadcast receiving apparatus.

Until now, when the file transfer is stopped, the method of completing the file transfer in a different manner according to the mode of the device, the method of completing the file transfer according to whether the transmission and reception of the transmitting and receiving terminal, and the video device to which the same has been described. As a device to which the method is applied, a video device capable of receiving broadcasts is mentioned. However, such a device is only an example for the convenience of description of the present invention. Therefore, there is no limitation in the kind of apparatus to which the present invention is applied. Therefore, the apparatus includes a TV, a set-top box, a DVD player, a DVD recorder, a VCR (Video Cassette Recorder), a multimedia player, a video player, a CD (Compact Disk) player, a CD recorder, an MP3 player, a mobile phone, Of course, the present invention can be applied to devices such as PDAs (Personal Digital Assistants) and audio systems, and combination devices that selectively integrate them.

In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

1 is a block diagram of an imaging system, according to an embodiment of the present invention;

2 is a block diagram of a broadcast receiving apparatus corresponding to a transmitting end or a receiving end;

3 is a flowchart provided in a process of transmitting an untransmitted portion of a file when a mode of a broadcast receiving apparatus is changed while a file is being transmitted at the transmitting end according to an embodiment of the present invention;

4 is a flowchart provided in a process of pausing a file transmission and resuming the transmission at the transmitting end, according to an embodiment of the present invention;

5 is a flowchart provided in a process of resuming that a file transmission is paused while a broadcast receiving device as a receiving end receives a file according to an embodiment of the present invention;

6 is a block diagram of a file server according to an embodiment of the present invention;

7 is a flowchart provided in a process of transmitting and receiving a file by a file server when a transmitting end has no transmission function according to an embodiment of the present invention, and

8 is a flowchart provided in a process of transmitting and receiving a file by a file server when the receiving end has no receiving function according to an embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

210: broadcast receiving unit 220: interface unit

230: First file processing unit 240: First storage unit

250: switching unit 260: signal processing unit

270: signal output unit 280: first control unit

610: receiver 620: transmitter

630: second storage unit 640: second file processing unit

650: second control unit

Claims (26)

In the file transfer method of the device, Determining whether a mode of the device is changed while a file is being transmitted to an external device; If it is determined that the mode of the device has been changed, selecting whether to continue the transmission of the file or to stop the transmission of the file; And And continuing to transmit the untransmitted portion of the file if it is selected to continue the transmission of the file. The method of claim 1, The selection step, If it is determined that the mode of the device is changed to one of a broadcast mode, a standby mode, and a power-off mode, selecting to continue the file transfer. The method of claim 2, When the mode of the device is changed to a power-off mode, the device is powered off after the file transfer is completed. The method of claim 2, And when the device mode is changed to one of a broadcast mode and a standby mode, while the file is being transmitted, the device performs a function corresponding to the changed mode. The method of claim 1, The selection step, If it is determined that the mode of the device is changed to one of a file play mode and an information providing mode, selecting to stop the file transmission. The method of claim 5, If selected to stop the transfer of the file, stopping the transfer of the file; And And generating information about the file at which the transfer has been stopped. The method of claim 6, Information about the file is stopped, And at least one of a file name of a file that has been stopped and a packet number of a file that was last transmitted. The method of claim 6, If it is determined that the file can be transmitted to an external device, transmitting the untransmitted portion of the file that has been stopped. The method of claim 8, The state in which the file can be transferred to an external device, And a mode of the device is one of a transmission mode, a broadcast mode, and a standby mode. In the file transfer method of the device, Determining whether a mode of the device is changed while a file is being transmitted to an external device; If it is determined that the mode of the device has been changed, stopping the transmission of the file; And And generating information about the file at which the transfer has been stopped. The method of claim 10, Information about the file is stopped, And at least one of a file name of a file that has been stopped and a packet number of a file that was last transmitted. The method of claim 10, Stopping the transmission of the file, And if it is determined that the mode of the device is changed to one of a file play mode, an information providing mode, and a power-off mode. The method of claim 10, If it is determined that the file can be transmitted to an external device, transmitting a non-transmitted portion of the file that has been stopped transmission; File transfer method of a device further comprising. The method of claim 13, The state in which the file can be transferred to an external device, And a mode of the device is one of a transmission mode, a broadcast mode, and a standby mode. In a device capable of file transfer, A file processor for transmitting a file to an external device; And If it is determined that the mode of the device is changed while the file is being transmitted to the external device, the user may select whether to continue the file transfer or stop the transfer of the file. And a controller configured to control the file processor to continuously transmit untransmitted portions of a file. The method of claim 15, The control unit, And if it is determined that the mode of the device has been changed to any one of a broadcast mode, a standby mode, and a power-off mode, selecting to continue transmitting the file. The method of claim 16, The control unit, And when the mode of the device is changed to a power-off mode, controlling the device to turn off the device after the file transfer is completed. The method of claim 16, The control unit, And when the mode of the device is changed to one of a broadcast mode and a standby mode, the device controls the device to perform a function corresponding to the changed mode while the file is being transmitted. The method of claim 15, The control unit, If it is determined that the mode of the device is changed to one of a file play mode and an information providing mode, the device is selected to stop transmitting the file. The method of claim 16, The control unit, If the transmission is selected to stop the transmission of the file, the device characterized in that for stopping the transmission of the file, and controlling the file processing unit to generate information about the file that has stopped transmission. The method of claim 20, Information about the file is stopped, And at least one of a file name of a file that has been stopped and a packet number of a file that was last transmitted. The method of claim 20, The control unit And determining that the device is in a state capable of transmitting a file to an external device, and controlling the file processor to transmit an untransmitted portion of the file that has been stopped. The method of claim 22, The state in which the file can be transferred to an external device, The device is one of a transmission mode, a broadcast mode and a standby mode In a device capable of file transfer, A file processor for transmitting a file to an external device; And If it is determined that the mode of the device is changed while the file is being transmitted to the external device, the control unit for controlling the file processing unit to stop the transmission of the file and to generate information about the stopped file; Device. The method of claim 24, Information about the file is stopped, And at least one of a file name of a file that has been stopped and a packet number of a file that was last transmitted. The method of claim 24, The control unit, And determining that the device is in a state capable of transmitting a file to an external device, and controlling the file processor to transmit an untransmitted portion of the file that has been stopped.

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