KR20040086738A - Broadcasting program reservation-recording system using pda and method thereof - Google Patents

Abstract

PURPOSE: A broadcasting program reservation record system using a PDA(Personal Digital Assistant) and a method therefor are provided to receive broadcasting program information, and retrieve a broadcasting program or reserve and record the broadcasting program through the PDA. CONSTITUTION: A CDMA(Code Division Multiple Access) module(60) has a mobile communication module, and receives broadcasting program information. A remote communication control unit(30) transmits and receives data with an external device, or performs wireless communication to control the external device. A storage unit(50) stores broadcasting program information received through the CDMA module and control data of various external devices received through the remote communication control unit. A control unit(20) converts broadcasting program information stored in the storage unit into data information of a format suitable of being displayed, and outputs converted information. A display unit(10) displays data information about broadcasting program information outputted from the control unit.

Description

Broadcast program reservation recording system using personal information terminal and its method {BROADCASTING PROGRAM RESERVATION-RECORDING SYSTEM USING PDA AND METHOD THEREOF}

The present invention relates to a reservation recording system of a broadcast program, and more particularly, to a reservation recording system and a method using a personal information terminal that can perform a reservation recording by searching a broadcast program more easily through a personal information terminal.

Conventionally, reservation recording is performed by directly inputting a G-code into a VCR through a newspaper or a TV program guide book for reservation recording of a broadcast program. However, with the recent rise of digital broadcasting and the advent of the multi-channel era, it has become very difficult to find a broadcast program.

Accordingly, the program guide data, which is called an electronic program guide (EPG), is downloaded from the broadcasting station together with the broadcast signal, and the electronic program guide information is displayed on the TV screen through a broadcast receiver such as a set top box. By doing so, the user could more conveniently search for a broadcast program or perform a reserved recording.

1 is a block diagram showing a reservation recording system for a conventional broadcast program.

As shown in FIG. 1, a conventional recording program for a broadcast program includes a broadcast receiver 1 capable of receiving digital broadcasts, a TV 3 for displaying the received digital broadcast on a screen, and an on-screen TV screen. VCR (5) for storing a broadcast program or perform a reservation recording, and a remote controller (7) for controlling the respective devices.

Operation according to the reservation recording system of the conventional broadcast program is as follows.

First, while the power of the TV 3 and the broadcast receiver 1 is turned on, the program information is downloaded and temporarily stored in the on-screen display (OSD) memory of the TV. Thereafter, the user can directly search for or select a program by displaying the stored program information on the TV screen. At this time, in case of performing the reserved recording for a specific broadcast program, when the user presses the reserved recording button of the remote controller 7, the reserved recording is made to the remote controller receiving module of the recording device (VCR) 5 by the control signal of the remote controller 7. The command signal is sent. Therefore, the reserved recording information can be stored in the internal memory of the recording device 5.

2 is an exemplary diagram of an electric program guide (EPG) as broadcast program information provided through digital broadcasting.

As shown in FIG. 2, the information of the electronic program guide displayed on the TV screen is displayed by outputting broadcast channel information, broadcast time information, and broadcast program names for each channel and time in a list form. Accordingly, the user checks the electronic program guide information through the TV screen, selects the desired broadcast program information according to the broadcast start time, the end time, and the program summary information, and receives the corresponding broadcast program through the broadcast channel. Watch or perform the reserved recording through the recording device 300 with reference to the broadcast program information.

On the other hand, in order to retrieve the broadcast program information, the user may use the integrated remote controller for simultaneously controlling the respective devices (here, the digital broadcast receiver, the TV and the VCR) or the individual remote controllers for controlling the individual devices. The channel search is performed through the TV screen using the electronic program guide information provided from the digital broadcasting receiver.

However, in order to search for the electronic program guide information and schedule recording, the user must operate the remote controller 7 while the digital broadcast receiver 1 and the TV 3 are always powered on. . That is, when any one of the broadcast receiver 1 and the TV 3 is powered off, the broadcast program information such as the electronic program guide or the like cannot be searched or scheduled recording can be performed. In addition, when performing the scheduled recording of the broadcast program, the power of the broadcast receiver 1 and the recording device 5 should be kept on, so there was an unnecessary power consumption, and each time the scheduled recording was performed, the broadcast receiver 1 There was an inconvenience of having to download the broadcast program again.

In addition, in order to retrieve the broadcast program information, the user must turn on the broadcast receiver 1, download the program data, and check the downloaded program data directly on the TV screen. Therefore, it is impossible to make a reservation recording of a broadcast program through the recording device 5 in the home at a remote location where the broadcast receiver 1 and the TV 3 are not provided.

Accordingly, an object of the present invention was created in order to solve the above problems, and a broadcast program reservation recording system using a personal information terminal capable of downloading broadcast program information and searching through a personal information terminal or performing reservation recording. And it provides a method.

Another object of the present invention is a broadcast program reservation recording system using a personal information terminal that can perform a reservation recording of the broadcast program through a wireless communication means after searching for broadcast program information from a remote location through a personal information terminal having a mobile communication module And it provides a method.

1 is a block diagram showing a reservation recording system for a general broadcast program.

2 is an exemplary diagram of an electric program guide as broadcast program information provided through digital broadcasting;

3 is a block diagram of a personal information terminal for performing a search and reservation recording of a broadcast program according to the present invention.

FIG. 4A is an exemplary diagram showing a connection state of a digital broadcast receiver, a television, and a BC-AL operated by the personal information terminal shown in FIG.

4B is an exemplary diagram showing a connection state of a PVR and a TV operated by the personal information terminal shown in FIG.

5A to 5C are exemplary diagrams of a display screen of a personal information terminal for performing reservation recording according to the present invention.

6 is a flowchart illustrating a method of performing reservation recording of a broadcast program according to the present invention.

Figure 7 is an exemplary embodiment for performing reservation recording of a broadcast program remotely through the Internet as another embodiment of the present invention.

Fig. 8 is a block diagram showing the structure of a wakeup LAN provided in the recording apparatus of the present invention.

9 is a flowchart showing a reservation recording method according to another embodiment of the present invention.

FIG. 10A is an exemplary diagram illustrating a packet data structure for performing reservation recording over a wireless Internet network according to the present invention. FIG.

Fig. 10B is an exemplary diagram showing the structure of packet data applied when connected to the Internet network through a telephone line according to the present invention.

<Description of Symbols for Main Parts of Drawings>

1, 100: broadcast receiver 3, 110: TV

5, 120: recording apparatus 7: remote control

10: display unit 11: speaker

12: Microphone 13: audio codec

14: video controller 15: LCD screen

20: control unit 21: CPU (CPU)

22: companion chip 30: remote communication control unit

31: remote control module 32: outgoing / receiving sensor

33: IR transmitter / receiver 34: RF transmitter / receiver

40: Key input unit 50: Storage unit

60: CDMA module 70: antenna

130: personal digital assistants (PDAs)

In accordance with another aspect of the present invention, there is provided a broadcast program reservation recording system using a personal information terminal, comprising: a CDMA module having a mobile communication module to receive broadcast program information; A telecommunication control unit for exchanging data with an external device or performing wireless communication to control the external device; A storage unit for storing broadcast program information received through the CDMA module and control data for the various external devices received through the telecommunication control unit; A control unit for converting and outputting broadcast program information stored in the storage unit into data information of a form suitable for display; And a display unit for displaying data information on the program information output from the controller on a screen.

In order to achieve the another object of the present invention, a broadcast program reservation recording system using a personal information terminal and a service center for providing broadcast program information; A personal information terminal that downloads the program information from the service center, performs a search, and outputs reservation recording information of the program on the basis of this; And a recording device that receives a broadcast program through the service center and performs reservation recording based on the output reservation recording information of the personal information terminal.

In order to achieve the object of the present invention, a broadcast program reservation recording method using a personal information terminal comprises the steps of downloading and storing the program information in a personal information terminal; Converting the stored program information into data information for display on a screen of the personal information terminal, and outputting the converted data information; Retrieving broadcast program information displayed on the screen; And performing a reservation recording by selecting a reservation recording setting key of the personal information terminal based on the searched broadcast program.

In order to achieve another object of the present invention, a broadcast program reservation recording method using a personal information terminal comprises the steps of: searching for broadcast program information through a personal information terminal; Selecting a broadcast program that the user wants to reserve recording among the searched broadcast programs, and transmitting the corresponding reservation recording information in the form of a CDMA packet; Transmitting the packetized reservation recording information to a subscriber server through a wireless internet network; Transmitting reservation recording information to a subscriber IP address based on the CDMA packet of the reservation recording information transmitted to the subscriber server; And receiving the reservation recording information and performing reservation recording on a recording device.

Hereinafter, a preferred embodiment of a broadcast program reservation recording system and method using a personal information terminal according to the present invention will be described in detail with reference to the accompanying drawings.

3 is a block diagram of a personal information terminal for performing a search and reservation recording of a broadcast program according to the present invention.

As shown in Fig. 3, a personal digital assistant (PDA) according to the present invention includes: an antenna 70 for transmitting and receiving broadcast signals; A CDMA module 60 having a mobile communication module for accessing a mobile communication network or the Internet and transmitting and receiving data; A telecommunication control unit 30 for performing data communication with various external devices (eg, set-top box, TV, VCR, PVR) or performing wireless communication to control the external device; A storage unit 50 for storing broadcast program information received through the CDMA module 60 and control information for the various external devices received through the telecommunication control unit 30; A control unit 20 for converting and outputting broadcast program information stored in the storage unit 50 into data information of a form suitable for display; A display unit 10 for displaying data information on the program information output from the control unit 20 on a screen of a personal information terminal; And a key input unit 40 for selecting data information displayed on the screen.

Here, the control unit 20 generates an icon for searching or controlling the broadcast program information based on the data stored in the storage unit 50 and outputs the CPU on the screen of the personal terminal (CPU) ( 21); Companion chip that serves to assist the operation of the CPU (CPU) 21, and controls the operation of the telecommunications control unit 30 through an interface with the CPU (CPU) 21 (Companion Chip) (22).

In addition, the remote communication control unit 30 is a remote control for outputting a remote control signal in response to a remote control command for controlling an external device from a companion chip 22 connected to the CPU (CPU) (21) A remote control module 31; The transmitter / receiver unit 32 receives a remote control signal from the remote control module 31 and performs a wireless data communication link with the external devices.

For example, the transmitter / receiver 32 may comprise an infrared transmitter / infrared receiver 33 that provides an infrared wireless data communication link; And an RF transmitter / receiver 34 that provides a radio frequency data communication link.

In addition, the display unit 10 controls the video / audio data related to the program information and outputs screen information and audio information on the screen, an audio codec 13 and a video controller 14. ), A liquid crystal display (LCD) screen 15, a speaker 11, and a microphone 12.

FIG. 4A is an exemplary diagram illustrating a connection state of a digital broadcast receiver, a television, and a VRL operated by the personal information terminal shown in FIG. 3.

4B is an exemplary diagram illustrating a connection state of a PVR and a TV operated by the personal information terminal illustrated in FIG. 3.

As shown in FIG. 4A, the personal information terminal 130 according to the present invention downloads program information from a broadcast receiver 100 such as a set-top box (STB), stores it in a memory, and retrieves the program information. Or schedule recording. In addition, as shown in FIG. 4B, a broadcast receiver 140 such as a personal video recorder (PVR) may be used instead of the set top box. Accordingly, the program information is downloaded through the PVR, stored in a memory, searched for or reserved recording. In addition, the personal information terminal 130 according to the present invention may be configured to obtain a broadcast program by accessing an Internet homepage of a service provider for broadcasting program data by directly accessing a wireless Internet network through a mobile communication module. .

The program information is configured to periodically download and store a predetermined amount (for example, one week to one month). That is, the program information may be stored in advance in the personal information terminal 130, and then the recorded program information may be searched through the screen provided in the personal information terminal 130 to perform reservation recording. Therefore, since it is not necessary to turn on the power of both the broadcast receiver and the display device unnecessarily to wait for searching for a broadcast program as in the related art, unnecessary power consumption can be prevented.

Referring to the search and reservation recording method of the broadcast program information using the personal information terminal according to the present invention are as follows.

First, the control unit 20 downloads broadcast program information from the outside through the CDMA module 60 in advance and stores it in the storage unit 50.

Thereafter, the program information stored in the storage unit 50 is output on the screen in response to a user's request for outputting the program information. In this case, the program information is converted into data information of a form suitable for display and then output to the display unit 10. Accordingly, the display unit 10 receives data information about the broadcast program output from the controller 20 and displays the icon on the screen 15 in the form of an icon.

Subsequently, a channel search is performed for the program information displayed on the screen of the personal information terminal by a user's key input. In this case, if the electronic program guide is provided as the broadcast program information, when the channel in the electronic program guide is highlighted, brief or full information about the channel is displayed. In this state, the user sets up the channel by inputting an up / down key.

On the other hand, by having a software channel management (channel management) for the broadcast program information, and compares the channel information of the program and the electronic program guide that the user has made a reservation with each other, the broadcast program among the actual active (active) channels Channel search is possible.

Thereafter, in order to perform reservation recording according to a user's key input, the telecommunication control unit 30 performs communication with various external devices to be controlled in response to an output control signal of the control unit 20.

For example, in response to a user's scheduled recording setting key input, the CPI 21 performs an interface with the companion chip 22 and also performs a remote control module. To control (31). Accordingly, the remote control module 31 outputs an infrared signal corresponding to the broadcast program information to the recording apparatuses 120 and 140 through the IR transmitter / receiver 33. Subsequently, the recording apparatuses 120 and 140 receive the infrared signal and store the same as reserved recording information, and play and schedule recording at a preset program reservation time based on the infrared signal.

5A to 5C are exemplary diagrams of a display screen for performing reservation recording of a broadcast program according to the present invention.

As shown in Figs. 5A to 5C, the personal information terminal according to the present invention generates a unique icon Icon so that a user can easily search for and download the downloaded program information. Time information and names of broadcast programs for each channel and time are displayed in a list form.

For example, when selecting the 'EPG' icon shown in Fig. 5A, after reading the downloaded electronic program guide information, the channel information is displayed on the screen through the LCD screen 15 of the personal information terminal. Mark on.

5B and 5C, when the user selects any one broadcast program, the broadcast channel and broadcast time information corresponding to the broadcast program name are enlarged and displayed, and the reserved recording information is recorded on the recording device. Outputs a guide message inquiring whether to set as.

Therefore, the user can easily check the electronic program guide information through the screen of the personal information terminal, and can also perform reservation recording of a desired broadcast program.

It is a block diagram of a personal information terminal for performing reservation recording of a broadcast program according to the present invention.

6 is a flowchart illustrating a method of performing reserved recording of a broadcast program according to the present invention.

As shown in FIG. 6, in the method of performing reservation recording using the personal information terminal 130, first, a broadcast program is downloaded from the broadcast program providing means and stored in the personal terminal (ST10). That is, the broadcast program providing means refers to a broadcast receiver such as an Internet homepage, a set-top box, or a PVR of a service provider for broadcasting program data, and downloads an EPG including broadcast program information from the means and stores it in a personal terminal. At this time, the EPG amount stored in the personal terminal can be arbitrarily set by the user, but preferably stores a week's worth of broadcast programs.

Thereafter, the broadcast program stored in the personal information terminal 130 is converted into a preset data format (ST20), and the EPG button of the personal information terminal 130 is selected to search for the broadcast program (ST30). At this time, when performing a search, the searched broadcast program is displayed on the screen of the personal information terminal 130, and the user selects the desired broadcast program by viewing it (ST40).

Then, when performing the reservation recording according to the broadcast program selection, the personal information terminal 130 transmits the reservation recording information to the event timer (Event timer) included in the recording device (120, 140). Then, the event timer stores the received reservation recording information, and performs an appointment recording by turning on the recording device by operating an event timer at a preset program reservation time based on the received reservation recording information. . Here, the event timer may include a nonvolatile memory to store the reserved recording command, turn on the recording device at the broadcast program reservation time, and perform the reserved recording.

On the other hand, since the event timer is supplied with power through a backup battery, it is not necessary to turn on the power of the entire system in order to perform the scheduled recording, thereby reducing power consumption.

FIG. 7 is an exemplary diagram for performing reservation recording of a broadcast program remotely through the Internet as another embodiment of the present invention.

As shown in FIG. 7, the reservation recording system using the personal information terminal can reserve and record a broadcast program remotely through the Internet network.

The reservation recording system using a personal information terminal includes a service center 160 for providing broadcast program information; A personal information terminal 130 for downloading a broadcast program from the service center in advance, searching for the broadcast program, and outputting reservation recording information corresponding thereto; A mobile communication base station 150 for providing a wireless communication means between the service center and the personal information terminal; And a home recording device 140 that receives reservation recording information of the personal information terminal through the service center 160 and performs reservation recording of a broadcast program. Here, the subscriber server located in the service center 160 for providing broadcast program information includes information of a subscriber's personal information terminal and internet access information of a home recording device. In addition, the Internet access information includes IP address information when the Internet means is Ethernet, and telephone number information when the Internet access means is connected to the Internet using a telephone line. In addition, the home recording apparatus includes a wake-up LAN 141 and is provided to perform an external request by turning on the system power of the recording apparatus 140 when there is a data communication request from the outside.

8 is a block diagram showing the structure of a wakeup LAN provided in the recording apparatus of the present invention.

As shown in FIG. 8, the recording device 140 of the present invention receives a control signal for performing reservation recording from the outside and a physical layer part 143 for performing an interface with each part constituting the recording device 140. ; A system BIOS unit 145 which performs power control; A backup battery 142 for supplying power to the physical layer unit and the system BIOS unit; A power control unit 146 for turning on / off the power of the recording device according to the power control of the system BIOS unit. Here, since the system BIOS unit 145 is connected to the backup battery 142, the power control logic unit receives minimum power from the backup battery 142 and waits in an enabled state at which it can always operate. unit) 144. Therefore, when a magic packet for turning on the system power by receiving an external command is input, the system BIOS unit 145 is driven through the power control logic circuit unit 144 provided in the system BIOS unit 145. The power supply of the power control unit 146 is controlled. As a device having such a wake up Lan 141, the PVR 140 is a representative example.

9 is a flowchart illustrating a reservation recording method according to another embodiment of the present invention.

As shown in Fig. 9, the reservation recording method using the personal information terminal first searches for broadcast program data downloaded and stored through the personal information terminal (ST110). At this time, since the broadcast program data is downloaded using the wireless Internet network, the broadcast program can be searched even from a remote place.

Thereafter, the user selects a broadcast program that the user wants to record from among the searched broadcast programs, and transmits reservation recording information in a CDMA packet (ST120). Then, the packetized reservation recording information is transmitted to the subscriber server through the wireless Internet network (ST130).

Thereafter, the subscriber server transmits the reservation recording information to the corresponding subscriber IP address based on the transmitted CDMA packet of the reservation recording information (ST150).

Thereafter, the domestic recording device receives the reservation recording information and performs reservation recording. At this time, the recording device turns on the power of the domestic recording device through the Wakeup LAN (ST160), stores the reserved recording command through an event timer including a non-volatile memory, and powers the recording device at a broadcast program reservation time. On and configured to perform a scheduled recording (ST170).

FIG. 10A is an exemplary diagram illustrating a packet data structure for performing reservation recording through a wireless Internet network.

As shown in Fig. 10A, packet data includes a packet header indicating the content of data, a subscriber code indicating subscriber information, reservation recording information, subscriber location information (IP address), and the like. It is stored in the home PVR (Personal Video Recorder). Here, the reservation recording information includes channel information for performing reservation recording, time information on a reservation start time and a reservation end time, category information including a program list, and the like.

FIG. 10B is an exemplary diagram showing a structure of packet data applied to a case where a telephone line is connected to the Internet network according to the present invention.

As shown in Fig. 10B, packet data when a telephone line is connected to the Internet network includes a packet header indicating the content of the data, information on the subscriber's personal information terminal, and a reservation. Recorded information, modem information, etc. are stored in the home PVR. Here, as described in FIG. 10A, the reservation recording information includes channel information, time information, category information, and the like.

In the above, the present invention described above is described in detail only with respect to specific examples, but it is apparent to those skilled in the art that various modifications and changes are possible within the technical scope of the present invention, and such modifications and modifications belong to the appended claims. .

As described in detail above, in the broadcast program information reservation recording system using the personal information terminal according to the present invention, even when the power of the broadcast receiver and the TV is turned off, the program information such as the electronic program guide information is stored in the personal information. Since the reservation recording can be easily performed through the screen of the terminal, the power consumption required to perform the reservation recording can be reduced.

In addition, after searching for a broadcast program at a remote location through a personal information terminal having a mobile communication module, it is possible to conveniently perform reservation recording on a recording device in the home through the Internet.

In addition, by storing a predetermined amount of program information in a memory in advance, the program information desired by the user is searched through the screen of the personal information terminal, and then the power of the home recording device is turned on at the scheduled time of the broadcast program through the personal information terminal. There is an effect that you can conveniently perform reservation recording by turning on.

Claims (15)

Downloading the program information and storing it in a personal information terminal; Converting the stored program information into data information for display on a screen of the personal information terminal, and outputting the converted data information; Retrieving broadcast program information displayed on the screen; And selecting a reservation recording setting key of the personal information terminal based on the searched broadcast program to perform reservation recording. The method of claim 1, wherein performing the reserved recording Transmitting reservation recording information to an event timer of a recording device in response to the reservation recording setting key input; Storing the received reservation recording information in an event timer of the recording device, and operating the event timer at a preset reservation time based on this to turn on the power of the recording device and perform a reservation recording. Broadcast program reservation recording method using a personal information terminal characterized in that. The method of claim 1, wherein the downloading and storing the broadcast program information comprises: A program recording method using a personal information terminal, characterized in that the program information is downloaded through an Internet homepage of a service provider for broadcasting program data, or the program information is directly downloaded from a broadcast receiver in which program information is stored. The method of claim 1, wherein the outputting on the screen comprises: Generating an icon based on the stored program information and displaying the icon on a screen; When the displayed icon is selected, displaying broadcasting channel information, broadcasting time information, and information about broadcasting programs for each channel in a list form; If the broadcast program is selected, the broadcast channel and broadcast time information corresponding thereto are enlarged and displayed, and displaying a guide message for inquiring whether to set as reserved recording information. Program Schedule Recording. Retrieving broadcast program information through a personal information terminal; Selecting a broadcast program that the user wants to reserve recording among the searched broadcast programs, and transmitting the corresponding reservation recording information in the form of a CDMA packet; Transmitting the packetized reservation recording information to a subscriber server through a wireless internet network; Transmitting reservation recording information to a subscriber IP address based on the CDMA packet of the reservation recording information transmitted to the subscriber server; And receiving the reservation recording information and performing reservation recording on a recording device. The method of claim 5, wherein performing the reserved recording Receiving the reservation recording information and turning on the recording device through a wake-up LAN of the recording device; Storing the reserved recording information through an event timer including a nonvolatile memory when the recording apparatus is powered on, and performing a reserved recording at a broadcast program reservation time based on the reserved recording information. Broadcast program reservation recording method using a personal information terminal. The method of claim 5, The CDMA packet includes a packet header indicating the contents of data, a subscriber code indicating subscriber information, information on a personal information terminal of a subscriber, reservation recording information, subscriber location information (IP address), and modem information. Broadcast program reservation recording method using a personal information terminal. The method of claim 7, wherein The reservation recording information is a broadcast program reservation recording method using a personal information terminal, characterized in that it includes channel information for performing a reservation recording, time information about the reservation start time and reservation end time, category information including a program list . A CDMA module having a mobile communication module to receive broadcast program information; A telecommunication control unit for exchanging data with an external device or performing wireless communication to control the external device; A storage unit for storing broadcast program information received through the CDMA module and control data for the various external devices received through the telecommunication control unit; A control unit for converting and outputting broadcast program information stored in the storage unit into data information of a form suitable for display; And a display unit for displaying data information on the program information output from the controller on a screen. The method of claim 9, wherein the control unit A CPU for generating an icon for searching or controlling the program information based on the data stored in the storage and outputting the icon on the screen; And a companion chip for controlling an operation of the telecommunication control unit through an interface with the CPI. The method of claim 10, wherein the telecommunications control unit A remote control module for outputting a remote control signal according to the external device remote control command provided from the companion chip connected to the CPU; And a transmitter / receiver configured to receive the remote control signal from the remote control module and perform a wireless data communication link with the external devices. system. The method of claim 11, wherein the transmitting / receiving unit An infrared receiver (IRR) and an infrared transmitter (IRT) for providing an infrared wireless data communication link; Broadcast program reservation recording system using a personal information communication terminal, characterized in that it comprises an RF transmitter / receiver for providing a radio frequency data communication link (radio frequency data communication link). A service center for providing broadcast program information; A personal information terminal that downloads the program information from the service center, performs a search, and outputs reservation recording information of the program on the basis of this; A mobile communication base station providing a wireless communication means between the service center and the personal information terminal; And a recording device that receives a broadcast program through the service center and performs reservation recording based on the output reservation recording information of the personal information terminal. The method of claim 13, And the recording device comprises a wake-up LAN for turning on the system power of the recording device to perform an external request when there is a data communication request from the outside. 15. The system of claim 14, wherein the wakeup LAN is A system BIOS unit including control information for performing power control of the recording device; A physical layer unit which interfaces with the system BIOS unit in response to the external data communication request; And a backup battery for supplying power to the physical layer unit and the system bios unit.