JPH08203155A - Information receiving terminal device - Google Patents

Abstract

(57) [Summary] [Purpose] To enable reproduction of information in the desired order when reproducing from a recording medium. [Structure] When a plurality of pieces of music information to be acquired are input to the input unit 43 of the terminal device 2, a request for a plurality of pieces of music information to be acquired is transmitted to the center via the modem 41. A transmission schedule of a plurality of pieces of music information desired to be acquired is transmitted from the center via the modem 41, and the schedule is stored in the RAM 39. The requested music information is transmitted from the center via the broadcasting satellite.
In this case, since the transmission schedule of the music information including the requests from other requesters is set up in the center, the music information is not always transmitted in the order of request. In the terminal device 2, a command is given to the music information recording device control unit 37 based on the transmission schedule from the center stored in the RAM 39, and the DA of the music information recording device 36 is given.
The T recorder is fast-forwarded and rewound, and music information is recorded in the DAT in the order of music information desired to be acquired.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information receiving terminal device suitable for use in a system for providing music information and the like by broadcasting media using satellites or the like.

[0002]

2. Description of the Related Art Using broadcasting media using satellites,
Music broadcasting that provides music information has already been realized,
By preparing a receiving terminal device that receives services from this system, it is possible to obtain broadcast music while at home.

As a form of near future music broadcasting, by requesting desired music through each terminal device, the requested music is distributed to each requested terminal. Various systems have also been proposed.

Music broadcasting using such satellites can be compared with, for example, a center facility or the like, even if compared with a future information providing system that assumes the existence of a high-speed information communication network represented by a video-on-demand system. Can be realized at low cost,
In addition, it has the characteristic that the transmission cost for information transmission can be kept low.

[0005]

By the way, in the above-mentioned music broadcasting, the following problems occur when a plurality of users (terminal devices) request a plurality of music information at the same time. To do.

That is, when the plurality of music requested by the user has already been requested by another user and already included in the distribution schedule on the side of the center which provides the music information, as requested by the user, The music information is not always transmitted in this order. Therefore, when the music information is recorded on the recording medium in the order of transmission from the center according to the lapsed order of time, all the music information requested by the user is recorded, but the music information is recorded. There is a problem that the order is not arranged in the order of the requests, but becomes different.

Particularly, for example, DAT (digital audio tape recorder) using a magnetic tape as an information recording medium.
However, when the music information is recorded, it is impossible to rearrange the music information in the requested order after the recording.

The present invention has been made in view of the above problems, and even in the case where a recording medium using a magnetic tape such as DAT is used, the order is as requested by the user. It is an object to provide an information receiving terminal device capable of recording music information.

[0009]

An information receiving terminal device according to claim 1 of the present invention, which has been made to achieve the above object, makes a request for information transmission from a terminal device to a center, A terminal device used in an information providing system for transmitting information from a center to a terminal device based on a request for information transmission, wherein the terminal device (for example, the terminal device 2 in FIG. 3) includes: A schedule acquisition unit (eg, FIG. 2) that acquires from the center 1 a transmission schedule of each piece of information requested to the center (eg, the center 1 in FIG. 2).
Modem 41, RAM 39), information recording means for recording the information transmitted from the center 1 (for example, the music information recording device 36 in FIG. 2), and the transmission schedule from the center 1 obtained by the schedule acquisition means. Based on the above, recording position moving means (for example, the music information recording device control section 37 in FIG. 2) for moving and controlling the recording position of the recording medium in the information recording means is provided.

An information receiving terminal device according to a second aspect of the present invention is characterized in that a digital audio tape recorder is used as the music recording device 36.

An information receiving terminal device according to a third aspect of the present invention is characterized in that an analog cassette tape recorder is used as the music recording device 36.

An information receiving terminal device according to a fourth aspect of the present invention is characterized in that a video tape recorder is used as the music recording device 36.

The information receiving terminal device according to a fifth aspect of the present invention is characterized in that the music information recording device control section 37 performs fast forward or rewind control of a recording medium as a magnetic tape.

Further, in the information receiving terminal device according to claim 6 of the present invention, the information recorded in the music recording device 36 is:
It is characterized by being music information and / or moving picture information.

[0015]

The information receiving terminal device 2 having the structure of claim 1 is provided with a schedule acquiring means for acquiring from the center 1 a transmission schedule of each information requested to the center 1, and the transmission obtained by the schedule acquiring means. Based on the schedule, the music information recording device control unit 37 as the recording position moving means is controlled to move the recording position of the recording medium such as a magnetic tape. Therefore, the music information can be recorded in the music recording device 36 in the order as requested by the user.

Further, in the information receiving terminal device having the structure of the second aspect, since the digital audio tape recorder is used as the information recording means, the music information is supplied to the digital audio tape in the order as requested by the user. Can be recorded.

Further, in the information receiving terminal device having the structure of claim 3, since the analog cassette tape recorder is used as the information recording means, the music information is recorded in the order as requested by the user for the analog cassette tape. Can be recorded.

Further, in the information receiving terminal device having the structure of the fourth aspect, since the video tape recorder is used as the information recording means, the music information and the like are recorded to the video cassette tape in the order requested by the user. Can be recorded.

Further, in the information receiving terminal device having the structure of the fifth aspect, the music information recording device control section 37 is configured to perform fast forward or rewind control of the recording medium as a magnetic tape. Therefore, with a simple configuration, it is possible to realize the music recording device 36 capable of recording the music information and the like in the desired order on the recording medium as the magnetic tape.

Further, in the information receiving terminal device having the structure of claim 6, as the information recorded in the information recording means,
Since the music information and / or the moving image information is handled, it is possible to record the information of one or both of them at the same time in the music recording device 36 according to the request order.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An information receiving terminal device of the present invention will be described below based on an embodiment adopted in a music broadcast shown in the drawing. First, FIG. 1 is a block diagram showing the basic configuration of a music broadcast in which the terminal device of the present invention is used. In FIG. 1, music information is transmitted from a center 1 that stores music information to a broadcasting satellite 3, and the broadcasting satellite 3 retransmits the music information to a terminal device 2 on the ground. The center 1 and the terminal device 2 are connected to each other via a public line network 4 so that data such as request information can be transmitted and received bidirectionally.

FIG. 2 shows an example of the configuration of the center 1. As shown in FIG. 2, the center 1 is provided with a music information storage unit 11 that stores music information to be serviced, and this music information storage unit 11 compresses information for more efficient transmission of music information. Information compression unit 1
2 is connected. The information compression unit 12 is connected to a scramble processing unit 13 that scrambles only the terminal device 2 that has requested the music information so that it can be unlocked, and prevents the terminal device 2 that does not request it from listening. Has been done. Further, in the scramble processing unit 13,
Multiplexing processing unit 1 for time-division multiplexing a plurality of music information
4 are connected.

On the other hand, the music information storage unit 11 is composed of a plurality of music information storage devices.
A music information storage device control unit 15 for controlling 1 is connected to the scramble processing unit 13. The scramble processing unit 13 including a plurality of scramblers includes a scrambler control unit 16 for controlling the scramble processing unit 13. Are connected.

Further, a CPU (central processing unit) 1 for executing a control program for controlling the music information storage device controller 15 and the scrambler controller 16 and the like.
7, a transmission schedule based on a request from the terminal device 2,
RAM 18 for storing the scramble key and billing information for each terminal device, ROM 19 for storing the control program and terminal information, modem 20 for exchanging information with the terminal via public line network 4, data bus, address A system processor 21 of a CPU 17 including a bus, a control bus, and the like, and a modulation processor 23 that multiplexes and modulates the music information output from the multiplexing processor 14 and the video / audio information from the satellite audio / video information source 22. , And a timer 24 that has a built-in clock and can notify the current time.

The music information storage unit 11 includes 16 CDs.
It is composed of changers 11-1 to 11-16,
Each output is 16 MPEGs in the information compression unit 12.
/ Audio encoders 12-1 to 12-16 are respectively input. The CD changer 11
-1 to 11-16, the music information reproduced has a quantization bit number of 16 bits and a sampling frequency of 4
It is a stereo 1.4 Mbps digital audio signal of 4.1 KHz, which is compressed to 128 Kbps by passing through the information compression unit 12 by the MPEG / Audio encoders 12-1 to 12-16.

The output of the information compression unit 12 is input to each of the 16 scramblers 13-1 to 13-16 in the scramble processing unit 13 to be encrypted. The output of the scramble processing unit 13 is the multiplexing processing unit 14
And time-division multiplexing processing is performed, and 128 Kbps
16 audio signals of are combined into one signal of 2 Mbps. The output of the multiplexing processing unit 14 is input to the modulation processing unit 23, where it is multiplexed with the video / audio signal from the normal video / audio signal source 22 and modulated, and the broadcast satellite 3 is transmitted through a transmission antenna (not shown). Sent to.

In the case of this embodiment, assuming that the average playing time of the music information to be served is 5 minutes, 4608 songs can be transmitted in 24 hours. This means that if the music information stored in the music information storage unit 11 is 4608 songs, the user can obtain the desired music information after 24 hours at worst.
The number of 4,600 songs corresponds to the number of songs provided in a general karaoke box, and can be said to be a number that can sufficiently satisfy users who subscribe to the service.

Next, the configuration of the terminal device 2 will be described with reference to FIG. As shown in FIG. 3, the terminal device 2 is provided with a receiving antenna 31 for receiving satellite broadcasting, and this antenna 31 demodulates a signal of a specific channel from the received signal and further extracts a digital signal only tuner 32.
It is connected to the. The output end of the tuner 32 is connected to a multiplex signal separation unit 33 that extracts only the target music information from the signal in which a plurality of music information is multiplexed, and the output end of the multiplex signal separation unit 33 outputs the scrambled signal. It is connected to a descrambler 34 for restoring.

The output terminal of the descrambler 34 is connected to a compressed signal demodulation section 35 for restoring the information-compressed signal to the original music information, and the output terminal of the compressed signal demodulation section 35 outputs the decompressed music information. Music information recording device 3 for recording
6 is connected. Further, the music information recording device 36
A music information recording device controller 37 for controlling the music information recording device 36 is connected to the.

Furthermore, the music information recording device control unit 3
CPU that executes a control program for controlling 7, etc.
(Central control unit) 38, start transmission of requested music information
From the RAM 39 for storing the end time and the descramble key, the ROM 40 for storing the control program, the modem 41 for exchanging information with the center 1 via the public network 4, the data bus, the address bus, the control bus, etc. System bus 42 of CPU 38, input unit 43 for user to request music information to the center, center 1
A display unit 44 for notifying the user of information from the device and the state of the terminal device 2, and a music information reproducing unit including an amplifier / speaker for the user to listen to the music information recorded in the music information recording device 36. 45, a timer 46 having a built-in clock and capable of notifying the current time is provided.

In the terminal device 2 configured as described above, the radio waves of satellite broadcasting received by the receiving antenna 31 are sent to the tuner 32, and the signal of the target frequency is demodulated. Furthermore, the video and music signals are separated and a 2 Mbps digital signal is extracted. This signal is the multiplex signal separation unit 3
16 time-division multiplexed 128 Kbps input to 3
One of the s signals is separated.

The output of the multiplex signal separation unit 33 is input to the descrambler 34, and the encrypted information is restored. The output of the descrambler 34 is input to the compressed signal decoding unit 35, and the signal compressed to 128 Kbps has an original quantization bit number of 16 bits and a sampling frequency of 44.1 KH.
It is restored to a stereo 1.4 Mbps digital audio signal composed of z. The output of the compressed signal decoding unit 35 is input to a music information recording device 36 serving as information recording means, and DAT (digital audio recording) using a magnetic tape as a recording medium.
Tape recorder). The user can freely listen to the music information recorded in the music information recording device 36 via the music information reproducing section 45.

Next, a procedure in which the terminal device 2 requests the desired music information from the center 1 will be described with reference to the flowchart shown in FIG.

When the user inputs the music name of the desired music to the terminal device 2 via the input unit 43, the CPU 38 controls the modem 41 to establish a line connection with the modem 20 in the center 1 in step 101, The music ID corresponding to the music name of the desired music and the terminal ID peculiar to the terminal stored in the ROM 40 are transmitted to the center 1, and a request for transmission of music information corresponding to the music ID is made. Upon receiving the transmission request from the terminal device 2, in step 102, the CPU 17 in the center 1 searches the current transmission schedule stored in the RAM 18 and retrieves the music information corresponding to the music ID requested from the terminal device 2. Check if is already in the send schedule.

When it is confirmed that the music ID is not in the schedule, in step 103, C
The PU 17 newly adds the requested music information to the schedule in the RAM 18. Next, in step 104, the CPU 17 creates a scramble key for encrypting and transmitting the newly scheduled music information, and also stores it in the RAM 18.

Next, in step 105, the CPU 17
Searches the terminal information in the ROM 19 and the terminal unique key from the terminal ID sent from the terminal device 2. Next, in step 106, the CPU 17 encrypts the scramble key for encrypting the music information with the retrieved terminal unique key, and creates an encrypted scramble key.

Next, in step 107, the CPU 17
Transmits the schedule information such as the channel on which the music information is multiplexed, the transmission start time and the transmission end time, and the encrypted scramble key to the terminal device 2 via the modem 20. The terminal device 2 receives the schedule information and the encrypted scramble key via the modem 41, and the CPU 38 stores the information in the RAM 39 as a schedule acquisition unit.
To be stored. If the requested music information is already scheduled in step 102,
There is no need to set a new schedule. In addition, since the scramble key should have already been created when the schedule is set, in step 111, C
The PU 17 searches the RAM 18 for the scramble key. After that, the process proceeds to step 105 in the same manner as the above procedure.

The user can request a plurality of pieces of music information from the center by executing the above procedure a plurality of times. Further, in the terminal device 2, the CPU 38 is the RA
The order of all the requested music information is recorded in M39.

FIG. 5 shows an example of the transmission schedule created by the above procedure. In FIG. 5, the horizontal axis shows the music information transmitted by each channel (CH1 to CH16), and the vertical axis shows the passage of time. As shown in FIG. 5, the length of one music piece varies depending on the piece of music, so that the transmission start time and the transmission end time of the music on each channel are varied as shown in the figure. Here, as an example, consider a case where the user requests three songs, and the requested songs are assumed to be incorporated in music 4-1, music 2-2, and music 3-3 in FIG. However, if the user is the terminal device 2
The order requested via music is music 3-3, music 4-1, music 2-2, and music 4-1 and music 2-2 are already in the transmission schedule of the center 1 at the request of another user. Since it was incorporated, it is assumed that it will be transmitted before the music 3-3 newly added to the schedule.

Based on such a premise, the procedure for transmitting music information in the center 1 will be described with reference to the flowchart shown in FIG.

First, in step 201, the CPU 17
Obtains the current time from timer 24, and step 202
At, the transmission start time of the music information of the schedule recorded in the RAM 18 is compared. If the transmission start time has not been reached yet, the process returns to step 201, and steps 201 and 202 are repeated.

If the transmission start time of the music 4-1 shown in FIG. 5 is reached in step 202, the CPU 17 extracts the scramble key created for the music information from the RAM 18 in step 203, and the scrambler control section 16 The scramble key is sent to the scrambler (scrambler 4 in this case) in the scramble processing unit 13 via the, and the scrambler is operated.

Next, in step 204, the CPU 1
7 instructs the CD changer (CD changer 4 in this case) of the music information storage unit 11 to reproduce the music information via the music information storage device control unit 15, and the CD changer starts the reproduction. This, as mentioned above,
The music information includes a music information storage unit 11, an information compression unit 12, a scramble processing unit 13, a multiplexing processing unit 14, and a modulation processing unit 2.
It is transmitted to the broadcasting satellite via 3

Next, in step 205, the CPU 17
Acquires the current time from the timer 24, and the step 206
At, the transmission end time of the music information currently reproduced in the RAM 18 is compared. If the transmission end time has not been reached yet, the process returns to step 205, and steps 205 and 206 are repeated.

In step 206, when the transmission end time is reached, in step 207, the CPU 17 causes the music information storage device controller 15 to transfer the music to the CD changer (CD changer 4 in this case) of the music information storage 11. Instruct the player to stop playing the information, CD
The changer stops playing.

Next, in step 208, the CPU 17
From the transmission schedule stored in RAM 18,
The schedule information of the music information that has been transmitted is deleted.

Since the CPU 17 can process the flow shown in FIG. 6 in parallel, it is possible to transmit the music information as shown in FIG.

Next, the procedure for receiving music information in the terminal device 2 will be described with reference to the flowchart shown in FIG.

First, in step 300, the music information to be transmitted first is moved to a recording position where it should be recorded. Of the requested music information, music 4-1 is transmitted first, which is the second one requested by the user. As described above, since the transmission schedule, that is, the transmission start time and the transmission end time of each music information are known at the time of requesting the music information, the performance time (recording time) of one song can be calculated from this information.

In the case of the present embodiment, as can be understood from the transmission schedule shown in FIG. 5, the requested first song (music 3
-3) playing time of 4 minutes, requested second song (Music 4-
The performance time of 1) is 5 minutes, the requested third song (Music 2-
Since the performance time of 2) is 5 minutes, when recording each music information in the music information recording device 36, the first music piece is recorded from the 0 minute position of the magnetic tape, the second music piece is recorded from the 4 minute position, Three
It suffices to start recording the song from the position of 9 minutes.
Therefore, since the music information broadcast first is the second piece of music, the music information recording device controller 37 as the recording position moving means issues a fast-forward command to the DAT as the music information recording device 36, and attaches to the DAT. The magnetic tape as the recording medium is moved to the position of the fourth minute and put in the standby state.

Then, in step 301, the CPU 3
8 obtains the current time from the timer 46, and the step 30
2, the comparison is made with the transmission start time of the music information of the reception schedule recorded in the RAM 39. If the transmission start time has not been reached yet, the process returns to step 301 again,
Step 301 and step 302 are repeatedly executed.
When the transmission start time (in this case, the transmission start time of the music 4-1) is reached in step 302, step 303
At 38, the CPU 38 controls the multiplexed signal separating unit 33 to instruct to output only the fourth channel from the 2 Mbps time division multiplexed signal.

Next, at step 304, the CPU 38
Extracts the encrypted scramble key received for the music from the RAM 39, extracts the terminal unique key stored in the ROM 40, inputs these two keys to the descrambler 34, and operates the descrambler.

Next, in step 305, the CPU 38
Instructs the music information recording device 36 as an information recording means to start recording via the music information recording device controller 37, and the music information recording device 36 starts recording. Thereby, as described above, the music information is accumulated in the music information recording device 36 via the antenna 31, the tuner 32, the multiplex signal separation unit 33, the descrambler 34, and the compressed signal decoding unit 35.

Next, in step 306, the CPU 38
Acquires the current time from the timer 46, and step 307
At, the transmission end time of the music information currently recorded in the RAM 39 is compared. If the transmission end time has not been reached yet, the process returns to step 306 again and step 3
06 and step 307 are repeatedly executed.

If it is determined in step 307 that the transmission end time has been reached, in step 308 the CPU
38, via the music information recording device control unit 37, instructs the music information recording device 36 to stop recording the music information,
The music information recording device 36 stops recording. Next, in step 309, the CPU 38 deletes the schedule information of the music for which recording has been completed from the transmission schedule stored in the RAM 39.

The receiving terminal apparatus 2 requests the center 1 to perform the above procedure, ie, music 2-2 and music 3 which are the remaining music information.
Similar processing is performed for -3. That is, music 2-
Since No. 2 is the requested third music piece, the magnetic tape mounted on the DAT is moved to the position of the ninth minute to put it in a standby state, and the above-mentioned processing from Step 301 is executed. Similarly, since the music 3-3 is the requested first music, the magnetic tape mounted on the DAT is rewound to the position of the 0th minute to be in the standby state, and the above-mentioned processing from step 301 is executed.
As a result, when the user reproduces the music information from the head recorded on the recording medium, the music information is reproduced in the order requested by the user.

Next, in the procedure of requesting, transmitting, and receiving the music information described above, a scramble / descramble procedure for encrypting and transmitting the music information will be described with reference to FIG.
Will be explained.

A terminal ID and a terminal unique key unique to the terminal are written in advance in the ROM 40 of the terminal device 2, and the center 1 manages all terminal IDs and terminal unique keys in association with each other.

In step 401, the terminal ID is transmitted from the terminal device 2 to the center 1 together with the request for music information. Next, in step 402, the center 1 searches for a terminal unique key corresponding to the terminal ID. Step 40
Determine the scramble key for the requested music information in 3 (search if already determined)
Then, in step 404, the scramble key is encrypted with the terminal unique key to generate an encrypted scramble key, and in step 405, this encrypted scramble key is transmitted to the terminal device 2.

At the time of actually transmitting the music information, step 4
In 06, the music information is scrambled with the scramble key, and in step 407, it is broadcast to the terminal device 2. When the terminal device 2 receives the broadcast, step 40
In step 8, the encrypted scramble key is decrypted with the terminal unique key to generate a descramble key, and in step 409, the encrypted music is descrambled with this descramble key and extracted as actual music information.

In the above description, an example in which music information is recorded by using it in a music information providing system by a broadcast medium using a broadcasting satellite has been described, but the present invention is used in such a specific information providing system. Not only can it be used, but it can also be used in an information providing system that provides moving image information in addition to music information, for example.

The above is the DA as a music information recording device.
Although description has been made according to the embodiment using T, an analog audio cassette tape recorder, a VTR (video tape recorder), or the like can be used as the music information recording device.

[0063]

As is apparent from the above description, claim 1
According to the information receiving terminal device described in (1), the schedule acquisition means for acquiring the transmission schedule of each information requested from the center, the information recording means for recording the information transmitted from the center, and the schedule acquisition means. The recording position moving means for moving the recording position of the recording medium in the information recording means based on the transmission schedule from the center obtained by Music information can be recorded in the music recording device in the order requested by the person. Therefore, since the music information and the like can be recorded on the recording medium in the order requested by the user, an apparatus using a recording apparatus that uses, for example, a magnetic tape having a relatively long time for random access as the recording medium. It is possible to provide a suitable terminal device.

Further, according to the information receiving terminal device of the second aspect, since the digital audio tape recorder is used as the information recording means, the order is as requested by the user for the digital audio tape. Music information can be recorded.

Further, according to the information receiving terminal device of the third aspect, since the analog cassette tape recorder is used as the information recording means, the order is as requested by the user for the analog cassette tape. Music information can be recorded.

Further, according to the information receiving terminal device of the present invention, since the video tape recorder is used as the information recording means, the music is recorded in the order requested by the user for the video cassette tape. Information can be recorded.

Further, according to the information receiving terminal device of the present invention, the recording position moving means is configured to perform fast forward or rewind control of the recording medium as a magnetic tape. It is possible to realize a music recording device capable of recording music information in a desired order on a recording medium as a magnetic tape.

Further, according to the information receiving terminal device of the sixth aspect, the music information and / or the moving image information is handled as the information recorded in the information recording means.
Either or both pieces of information can be simultaneously recorded in the music recording device according to a request order.

[Brief description of drawings]

FIG. 1 is a block diagram showing a basic configuration of a music information providing system in which an information receiving terminal device of the present invention is used.

FIG. 2 is a block diagram showing a detailed configuration of a center in the embodiment of FIG.

FIG. 3 is a block diagram showing a configuration of an embodiment of an information receiving terminal device of the present invention.

4 is a flowchart showing a procedure of requesting music information performed by the terminal device shown in FIG.

5 is a diagram showing an example of a music information transmission schedule in the center shown in FIG. 2;

FIG. 6 is a flowchart showing a procedure for transmitting music information in the center shown in FIG.

7 is a flowchart showing a procedure of receiving music information in the terminal device shown in FIG.

FIG. 8 is a diagram showing scrambling and descrambling procedures performed by the center and the terminal device.

[Explanation of symbols]

 1 center 2 terminal device 3 broadcasting satellite 4 public line network 11 music information storage unit 12 information compression unit 13 scramble processing unit 14 multiplexing processing unit 15 music information storage device control unit 16 scrambler control unit 17 CPU (central processing unit) 18 RAM 19 ROM 20 Modem 21 System Bus 22 Video / Audio Information Source 23 Modulation Processing Unit 24 Timer 31 Antenna 32 Tuner 33 Multiplex Signal Separation Unit 34 Descrambler 35 Compressed Signal Decoding Unit 36 Music Information Recording Device (Information Recording Means) 37 Music Information Recording device control section (recording position moving means) 38 CPU (central processing unit) 39 RAM (schedule acquisition means) 40 ROM 41 modem 42 system bus 43 input section 44 display section 45 music information reproducing section 46 timer

Claims (6)

[Claims] 1. A terminal device used in an information providing system, wherein a request for information transmission is made from a terminal device to a center, and information is transmitted from the center to the terminal device based on the request for information transmission. In the terminal device, a schedule acquisition unit that acquires from the center a transmission schedule of each piece of information requested to the center, an information recording unit that records the information transmitted from the center, and the schedule acquisition unit. An information receiving terminal device, comprising: recording position moving means for moving and controlling the recording position of the recording medium in the information recording means based on the transmission schedule from the center obtained by the means. 2. The information receiving terminal device according to claim 1, wherein the information recording means is a digital audio tape recorder. 3. The information receiving terminal device according to claim 1, wherein the information recording means is an analog cassette tape recorder. 4. The information receiving terminal device according to claim 1, wherein the information recording means is a video tape recorder. 5. The information receiving terminal device according to claim 1, wherein the recording position moving means performs fast forward or rewind control of a recording medium as a magnetic tape. 6. The information receiving terminal device according to claim 1, wherein the information recorded by the information recording means is music information and / or moving image information.