JPH099198A - Recording medium, data receiving device and data receiving method, data reproducing device and data reproducing method, and information processing unit and information processing method - Google Patents

Abstract

PURPOSE: To enhance the convenience of a recording medium. CONSTITUTION: A recording medium 14 is, e.g. an MD(mini-disk)(R) and has a ROM area from which only read of information is available and a RAM area in which information write/read and both available. Personal identification numbers are stored in the ROM area. The recording medium 14 is used as a so-called credit card and the details of the use are recorded in the RAM area.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording medium having a read-only area in which only information can be read and a read / write area in which both information can be written and read, a data receiving device, a data receiving method, and data reproduction. The present invention relates to an apparatus, a data reproducing method, an information processing apparatus, and an information processing method.

[0002]

2. Description of the Related Art For example, a terrestrial television broadcast is usually provided with a sponsor, so that it can be viewed free of charge. On the other hand, satellite broadcasting and CATV (CA
ble TeleVision) is also increasing the number of paid broadcasts that cannot be viewed without paying a prescribed reception fee. In such a pay broadcasting system, a program (video and audio) is scrambled for broadcasting, thereby preventing unauthorized reception of viewing the program without paying a reception fee.

That is, a key is required to descramble, and only the contractor is given this key. However, if this key is fixed, it will be decrypted,
The key should be
Or it is designed to be changed irregularly. When the key is changed, it is necessary to give the contractor the changed key. For example, the module that stores the key, which is built in the decoder, is changed to the one that stores the changed key. By exchanging them, it is possible to take measures by changing the key.

[0004]

By the way, as a service using television broadcasting by terrestrial broadcasting, there is a character multiplex broadcasting in which data is superimposed in the blanking period of the video signal and broadcast. In the same manner as above, a broadcasting service for transmitting various data has been considered. As a service form of such data broadcasting,
For example, it is considered that data is transmitted in a time zone such as character multiplex broadcasting, and the receiving side receives the data and records it on a recording medium. When desired, the data can be viewed from the recording medium by reproducing the data.

Now, when performing this data broadcasting as pay broadcasting, as a method for preventing illegal reception, as in the case described above, the module storing the key is given to the contractor, and the data is received by the key. Possible ways of permitting. In this case, the module stores the key and the above-mentioned recording medium records data. Therefore, it is convenient if one recording medium can be used for both of them.

That is, it is convenient to record the key in a recording medium and record the data in the recording medium. Therefore, as this recording medium, there is a method of using a magnetic disk such as a floppy disk or a hard disk capable of reading and writing data. However, with a floppy disk or a hard disk, the key may be illegally decrypted, and it is difficult to ensure security. Further, in a recording medium capable of recording and reading data such as a floppy disk or a hard disk, the key recorded there may be accidentally erased, and the data may not be viewable. Therefore, there is a method of using a CD-ROM as a recording medium.
The received data cannot be written in the D-ROM.

The present invention has been made in view of such a situation, and it is possible to improve the convenience of a recording medium.

[0008]

A recording medium according to claim 1 has a read-only area in which only information can be read.
A recording medium having a read / write area capable of both writing and reading information, characterized in that permission information for permitting a predetermined process is recorded in a read-only area.

In this recording medium, the permission information can be a key for permitting writing of data in the read / write area. Further, the permission information can be a key for permitting reading of the data recorded in the read / write area.

According to another aspect of the data receiving apparatus of the present invention, the recording medium has a read-only area in which only information can be read and a read / write area in which both information can be written and read. , Permission information for permitting predetermined processing is recorded, and data is
When transmitted together with a predetermined key, receiving means for receiving the data and the predetermined key, recording control means for recording the data received by the receiving means in the read / write area, and the predetermined key received by the receiving means And a determination unit that determines whether or not the permission information recorded in the read-only area matches, the recording control unit determines by the determination unit that the predetermined key and the permission information match. Only at this time, the data received by the receiving means is recorded in the read / write area.

According to a fifth aspect of the data receiving method, the recording medium has a read-only area in which only information can be read and a read / write area in which both information can be written and read. , Permission information for permitting predetermined processing is recorded, and data is
When it is sent with a predetermined key, the data and the predetermined key are received, it is determined whether the predetermined key and the permission information recorded in the read-only area match, and the predetermined key and the permission are confirmed. The data is recorded in the read / write area only when the information matches.

According to a sixth aspect of the present invention, there is provided a data reproducing apparatus in which a recording medium has a read-only area in which only information can be read and a read / write area in which information can be both written and read. When permission information or data for permitting a predetermined process is recorded in the read / write area, read control means for reading the data recorded in the read / write area, and input means for inputting a predetermined key, The read control means includes a predetermined key input by the input means and a determination means for determining whether or not the permission information recorded in the read-only area matches with the predetermined key, The feature is that the data recorded in the read / write area is read only when it is determined that the permission information matches.

The data reproducing apparatus may further comprise a key receiving means for receiving the predetermined key when the predetermined key is transmitted. In this case, the input means receives the key by the key receiving means. It is possible to input a predetermined key.

In the data reproducing method according to the eighth aspect, the recording medium has a read-only area in which only information can be read and a read / write area in which both information can be written and read, and the read-only area or When the permission information for permitting a predetermined process is recorded in the read / write area, when a predetermined key is input,
It is determined whether the predetermined key matches the permission information recorded in the read-only area, and only when the predetermined key matches the permission information, the data recorded in the read / write area is read. It is characterized by

A recording medium according to a ninth aspect is a recording medium having a read-only area in which only information can be read and a read / write area in which both information can be written and read, and the read-only area is in the read-only area. , The password is recorded.

An information processing apparatus according to a tenth aspect of the present invention comprises a processing means for performing predetermined information processing, a reading means for reading out information recorded on a recording medium, and an input means for inputting a predetermined password. When the recording medium has a read-only area in which only information can be read and a read / write area in which both information can be written and read, and a password is recorded in the read-only area,
The reading means reads the password recorded in the read-only area, and the processing means performs the predetermined information processing only when the predetermined password input by the input means matches the password read by the reading means. It is characterized by performing.

According to an eleventh aspect of the information processing method, when a predetermined password is input, the information processing method has a read-only area in which only information can be read and a read / write area in which both information can be written and read. The password is read from the recording medium in which the password is recorded in the read-only area, and the predetermined information processing is performed only when the input predetermined password and the read password match. .

A recording medium according to a twelfth aspect is a recording medium having a read-only area in which only information can be read and a read / write area in which both information can be written and read, and the read-only area is in the read-only area. The number of times data can be recorded in the read / write area is recorded.

In a data receiving apparatus according to a thirteenth aspect, the recording medium has a read-only area in which only information can be read and a read / write area in which both information can be written and read, and the read-only area is provided. When the number of times data can be recorded in the read / write area is recorded, the receiving means for receiving the data, the recording control means for recording the data received by the receiving means in the read / write area, and the read-only area The recording control means records the data in the read / write area according to the number of times read by the reading means.

According to a fourteenth aspect of the present invention, in the data receiving method, the recording medium has a read-only area in which only information can be read and a read / write area in which both information can be written and read. , When the number of times data can be recorded in the read / write area is recorded, the number of times recorded in the read-only area is read, and the received data is read according to the number of times read.
It is characterized by recording in the read / write area.

[0021]

In the recording medium according to the first aspect, a read-only area in which only information can be read and a read / write area in which both information can be written and read can be provided. Permission information for permitting predetermined processing is recorded.

In the data receiving apparatus according to the fourth aspect, the receiving means receives the data and the predetermined key, and the recording control means records the data received by the receiving means in the read / write area. ing. The determination means is configured to determine whether or not the predetermined key received by the reception means matches the permission information recorded in the read-only area. In this case,
The recording control means records the data received by the reception means in the read / write area only when the determination means determines that the predetermined key and the permission information match.

In the data receiving method according to the fifth aspect, the data and the predetermined key are received, and the predetermined key is received.
It is determined whether or not the permission information recorded in the read-only area matches, and the data is recorded in the read / write area only when the predetermined key and the permission information match.

In the data reproducing apparatus of the sixth aspect, the read control means reads the data recorded in the read / write area, and the input means inputs a predetermined key. The determination means is configured to determine whether or not the predetermined key input by the input means matches the permission information recorded in the read-only area. In this case, the read control means is configured to read the data recorded in the read / write area only when the determining means determines that the predetermined key and the permission information match.

In the data reproducing method according to the eighth aspect, when a predetermined key is input, the predetermined key and
It is determined whether the permission information recorded in the read-only area matches, and the data recorded in the read / write area is read out only when the predetermined key and the permission information match.

In the recording medium according to the ninth aspect, a read-only area in which only information can be read and a read / write area in which both information can be written and read can be provided. The password is recorded.

In the information processing apparatus according to the tenth aspect, the processing means performs predetermined information processing, and the reading means reads the information recorded on the recording medium. The input means is adapted to input a predetermined password. In this case, the recording medium is
It has a read-only area in which only information can be read and a read / write area in which both information can be written and read, and when the password is recorded in the read-only area, the reading means records in the read-only area. The read password is read out, and the processing means performs predetermined information processing only when the predetermined password input by the input means and the password read by the reading means match.

In the information processing method according to the eleventh aspect, when a predetermined password is input, there is a read-only area in which only information can be read and a read / write area in which both information can be written and read. Then, the password is read from the recording medium in which the password is recorded in the read-only area, and only when the specified password that is input matches the read password,
It is designed to perform predetermined information processing.

In the recording medium according to claim 12,
A read-only area in which only information can be read and a read / write area in which both information can be written and read can be provided. In the read-only area, the number of times data can be recorded in the read / write area is recorded. ing.

In the data receiving apparatus according to the thirteenth aspect, the receiving means receives the data, and the recording control means,
The data received by the receiving means is recorded in the read / write area. The reading means is adapted to read the number of times recorded in the read-only area. In this case, the recording control means records the data in the read / write area according to the number of times read by the reading means.

In the data receiving method according to the fourteenth aspect, the number of times recorded in the read-only area is read, and the received data is read according to the number of times of reading.
It is designed to be recorded in the read / write area.

[0032]

EXAMPLES Examples of the present invention will be described below, but before that, in order to clarify the correspondence between each means of the invention described in the claims and the following embodiments, each means will be described. In parentheses after the, add the corresponding example (however, one example),
The features of the present invention will be described as follows.

That is, a data receiving apparatus according to a fourth aspect is a data receiving apparatus for receiving transmitted data and recording it on a recording medium, the recording medium being a read-only area in which information can only be read. And a read / write area in which both writing and reading of information are possible, permission information for permitting predetermined processing is recorded in the read-only area, and data is transmitted together with a predetermined key. When it comes, the receiving means (for example, the television tuner 71 and the data decoder 73 shown in FIG. 3) for receiving the data and the predetermined key, and the recording control means for recording the data received by the receiving means in the read / write area ( For example, the data storage controller 7 shown in FIG.
4) and a predetermined key received by the receiving means,
The recording control means includes a determination unit that determines whether the permission information recorded in the read-only area matches with the permission information (for example, the comparison circuit 79 shown in FIG. 3). The data received by the receiving means is recorded in the read / write area only when it is determined that the permission information matches.

A data reproducing apparatus according to a sixth aspect of the present invention is a data reproducing apparatus for reproducing data recorded on a recording medium, wherein the recording medium has a read-only area in which only information can be read and information is written. And a read / write area capable of both reading and writing, and when read-only area or read / write area, permission information or data for permitting predetermined processing is recorded in the read / write area, respectively. A read control unit for reading data (for example, the data storage controller 174 shown in FIGS. 6 and 9) and an input unit for inputting a predetermined key (for example, a control circuit 178 shown in FIGS. 6 and 9).
And a determination means (for example, a comparison circuit 179 shown in FIGS. 6 and 9) for determining whether or not a predetermined key input by the input means matches the permission information recorded in the read-only area. The read control means reads the data recorded in the read / write area only when the determination means determines that the predetermined key and the permission information match.

According to a seventh aspect of the present invention, there is provided a data reproducing apparatus, wherein a key receiving means for receiving a predetermined key when the predetermined key is transmitted (for example, the line I / F (interface) 80 shown in FIG. 9). Further, the input means inputs the predetermined key received by the key receiving means.

An information processing apparatus according to a tenth aspect of the present invention is a processing means for performing predetermined information processing (for example, a control circuit 278 shown in FIG. 12 or a CPU (Central Procedure) shown in FIG.
or Unit) 42), read means for reading information recorded on the recording medium (for example, the data storage controller 274 shown in FIG. 12, the drive device 47 shown in FIG. 15, etc.), and a predetermined password. Input means (for example, the remote commander 15 shown in FIG. 12)
Or an input device 45 shown in FIG. 15), and the recording medium has a read-only area in which only information can be read,
When a password is recorded in the read-only area, the reading means reads the password recorded in the read-only area, and the processing means ,
It is characterized in that the predetermined information processing is performed only when the predetermined password input by the input means and the password read by the reading means match.

A data receiving device according to a thirteenth aspect is a data receiving device for receiving transmitted data and recording it on a recording medium, wherein the recording medium has a read-only area in which only information can be read. A read / write area capable of both writing and reading information, and a read-only area that receives data when the number of times data can be recorded in the read / write area is recorded (for example, A TV tuner 71 and a data decoder 73 shown in FIG. 19), recording control means for recording the data received by the receiving means in the read / write area (for example, processing step S88 of the program shown in FIG. 20), and read-only Reading means for reading the number of times recorded in the area (for example, the data storage controller shown in FIG. 19) A 74, etc.), recording control means, in accordance with the number of times read by the reading means, and recording the data in the read-write area.

Of course, this description does not mean that each means is limited to those described above.

FIG. 1 shows the configuration of a first embodiment of a broadcasting system to which the present invention is applied. In the broadcasting station, data broadcasting is performed in the same manner as the character multiplex broadcasting together with the terrestrial television broadcasting. That is, in the broadcasting station, the mixer 1 receives a video signal of a program to be broadcast as television broadcasting. Further, in addition to the video signal, data to be broadcast by being superimposed on the blanking period (for example, vertical blanking period) of the video signal is input to the mixer 1.

Here, this data (hereinafter, appropriately referred to as provided data) is the information provider (IP (Information Prvi
der) is provided by. The information provider has a database 21 in which provided data is registered and a host computer 22 that manages the database. The host computer 22 reads the provided data from the database 21 as appropriate, for example, a public network. Is transmitted to the mixer 1 of the broadcasting station via the. It should be noted that the host computer 22 is configured to transmit to the mixer 1 not only the provided data but also, for example, a key as permission information for permitting reception of the provided data.

In the mixer 1, the provided data and the key are
It is superimposed during the blanking period of the video signal. That is, in the mixer 1, the provided data and the key are the 16th line (H) and the 21th line (in the vertical blanking period of the video signal) as in the case of the character multiplex broadcasting (however, this is
The odd fields are overlapped and the even fields are overlapped with the 279th and 284th H). Here, the provided data is, for example, displayable data (image data, character data, or the like).
However, the provided data is not limited to this,
Besides this, for example, data that can be output as voice (voice data)
Alternatively, it may be data (including a computer program) that can be handled by a computer or the like.

The video signal on which the provided data and the key are superimposed is output to the modulator 2. In addition to the video signal, the modulator 2 is supplied with audio (audio of a program) accompanying the video signal. In the modulator 2, the video signal and the audio signal are multiplexed (frequency-multiplexed) and further modulated. The resulting modulated signal is supplied to the transmitter 3, where it undergoes necessary processing such as amplification processing, and then is transmitted from the antenna 4 as a television broadcast signal.

The television broadcast signal is received by the antenna 11 on the user side, and the received signal (television broadcast signal) is supplied to the receiver 12.

A user who desires to view the provided data purchases the recording medium 14 (the details of which will be described later) in which the key as the permission information is recorded from the information provider. The recording medium 14 is attachable to and detachable from a slot (not shown) of the receiver 12.
The user who purchases No. 4 sets (attaches) this to the receiving device 12.

In the receiver 12, the received signal supplied from the antenna 11 is demodulated and the demodulated signal (video signal) is obtained.
From, the provision data and the key included in the blanking period are extracted (extracted). Furthermore, the receiving device 1
In 2, the key recorded in the recording medium 14 is read and this key is compared with the received key. Then, the provided data is recorded in the recording medium 14 only when the both match.

As described above, the provided data is recorded on the recording medium 1.
Since the data is recorded in No. 4, the user can reproduce the provided data from the recording medium 14 and display it on the monitor 13 such as a television receiver for viewing when desired.

Further, since the provided data is recorded in the recording medium 14 only when the key recorded in the recording medium 14 and the received key match, the illegal reception can be prevented.

In the above case (the same applies to the embodiments described later), if the provision data is output to the monitor 13 before being recorded in the recording medium 14, the provision data will be viewed. Since there is a possibility that there is a possibility that unauthorized reception will be strongly prevented, it is necessary to scramble the provided data with a key and send it, and on the user side, descramble with the key. good.

Further, the broadcasting station side transmits the provided data at a time (for example, 2:00 am to 6:00 am) during which the normal character multiplex broadcasting is not performed, and the receiving device 12 transmits the provided data. Is preferably received and recorded in the recording medium 14.

Next, the recording medium 14 will be described. The recording medium 14 is, for example, a disc-shaped recording medium (for example,
MD (trademark) for recording and reproducing data (MD data (Mini
Disc data) (trademark)), a tape-shaped recording medium, a card-shaped recording medium, or the like, and as shown in FIG. 2, for example, a read-only area in which only information can be read (hereinafter, appropriately ROM area) And a read / write area (hereinafter appropriately referred to as a RAM area) capable of both writing and reading information.

For example, assuming that the recording medium 14 is MD data, information is optically recorded in the ROM area and information is optically and magnetically recorded in the RAM area.

In the ROM area of the recording medium 14, as described above, the key as the permission information is recorded. Further, in the present embodiment, the ROM area also records the expiration date of the recording medium 14. The information provider side of FIG. 1 is designed to change the key to be transmitted to the broadcasting station together with the provided data for each expiration date recorded in the ROM area, and therefore, it is desired to receive the provided data even after the expiration date. The user who wants to do so needs to purchase a new recording medium in which the changed key is recorded from the information provider.

Note that the permission information can be called a key as described above if it is considered as a key for enabling reception of the provision data, but if considered as a key word for enabling reception of the provision data. The permission information can be called a password or a personal identification number, or the information provider's original dedicated viewer.

On the other hand, the provided data received by the receiving device 12 is recorded in the RAM area of the recording medium 14.

As described above, since the key is recorded on the recording medium 14 and the provided data can be further recorded, the convenience can be improved. Further, since the key (the same applies to the expiration date in this embodiment) is recorded in the ROM area, it is possible to prevent the key from being accidentally erased. Furthermore, when the recording medium 14 is MD data, it is easier to carry and set in the receiving device 12 as compared with the hard disk described above, and MD data other than the receiving device 12 can be reproduced. It is also possible to view the provided data with any device.

Next, FIG. 3 shows a configuration example of the receiving device 12 of FIG. The receiving device 12 (similarly to the receiving device described later) can be remotely controlled by a remote commander (hereinafter, appropriately referred to as a remote controller) 15.

The television broadcast signal received by the antenna 11 is supplied to the television tuner 71. The television tuner 71 is supplied with a control signal for instructing a channel to be demodulated from the control circuit 78 in addition to the television broadcast signal.
Of the television broadcast signals received from the control circuit 7
The channel corresponding to the control signal from 8 is demodulated. Then, the demodulated signal obtained as a result is output to the television display circuit 72 and the data decoder 73.

The TV display circuit 72 is a TV tuner 7
The video signal is extracted from the demodulated signal from the monitor 1, and the necessary processing for displaying it on the monitor 13 is performed.
Output to 3. As a result, the monitor 13 displays the program (video) of the predetermined channel. It should be noted that, from the demodulated signal, a sound associated with the program is also extracted in a predetermined processing circuit (not shown) and output from a speaker (not shown).

On the other hand, the data decoder 73 is composed of a data slicer and other blocks as in the case of a normal character multiplex broadcast decoder, in which the data decoder 73 is superimposed on the video signal (vertical blanking period) of the demodulated signal. The provided data and keys are extracted and decoded. This provided data or key (hereinafter referred to as a reception key)
Are output to the data storage controller 74 or the comparison circuit 79, respectively. Upon receiving the reception key, the comparison circuit 79 controls the data storage controller 74 to read the key recorded in the ROM area of the recording medium 14 (hereinafter, appropriately referred to as a recording key). Further, the comparison circuit 79 compares the reception key and the recording key,
It is determined whether the two match. Then, when the reception key and the recording key match, the comparison circuit 79 outputs a signal (hereinafter, appropriately referred to as a writing instruction signal) for instructing the data storage controller 74 to write the provided data to the recording medium 14. To do.

When the data storage controller 74 receives the write instruction signal from the comparison circuit 79, the provided data output from the data decoder 73 is transferred to the recording medium 1.
It records in the RAM area of 4.

On the other hand, the data storage controller 74
When the write instruction signal cannot be received from the comparison circuit 79, the provided data output from the data decoder 73 is discarded without being recorded in the recording medium 14.

Therefore, the provided data is recorded in the recording medium 14 only when the reception key and the recording key match. That is, the recording key permits the recording of the provided data to the recording medium 14, and the recording is performed.

After the provision data is recorded on the recording medium 14 as described above, when the remote controller 15 is operated to display the provision data (hereinafter, referred to as a display operation as appropriate), it corresponds to the operation. The RF signal is emitted from the remote controller 15 as a radio wave. This RF signal is transmitted to the antenna 76.
And is supplied to the receiving circuit 77. Receiver circuit 77
Then, the RF signal from the antenna 76 is demodulated, and the demodulated signal obtained as a result is output to the control circuit 78. When the demodulated signal from the receiving circuit 77 corresponds to the display operation, the control circuit 78 controls the data storage controller 74 to read the provided data from the recording medium 14. As a result, the data storage controller 74 reads the provided data from the recording medium 14 and outputs it to the data display circuit 75.

The data display circuit 75 has a built-in memory, for example, and expands the provided data as a bitmap in the memory and outputs it to the monitor 13. As a result, the provided data is displayed on the monitor 13. When the video of the program is displayed on the monitor 13, the provided data can be displayed in place of the video, or can be displayed superimposed on the video, or
It is possible to display it on a so-called picture-in-picture child screen.

Further, the user removes the recording medium 14 on which the provided data is recorded from the receiving device 12, and the reproducing device capable of reproducing the recording medium 14 (if the recording medium 14 is, for example, MD data, the reproduction is performed). MD playback device capable of
Also, the provided data can be viewed by setting to.

Next, referring to FIG.
The operation when receiving the provided data will be further described.
First, in step S1, the television broadcast signal from the antenna 11 is received by the television tuner 71 and demodulated for a predetermined channel. The demodulated signal obtained as a result is output to the data decoder 73,
It is decoded in step S2. Then, in step S 3, the data decoder 73 extracts the reception key from the decoding result and outputs the reception key to the comparison circuit 79. At this time, in addition to the key, the provided data is extracted from the decoding result and output to the data storage controller 74.

Then, in step S4, the recording key is read from the recording medium 14 by the data storage controller 74 and output to the comparison circuit 79. Then, in step S5, it is determined whether the reception key and the recording key match. It is determined by the comparison circuit 79. Step S
When it is determined in 5 that the reception key and the recording key match, the process proceeds to step S6, and the data storage controller 74 records the provided data in the recording medium 14. If it is determined in step S5 that the reception key and the recording key do not match, step S6
Is skipped and the process ends.

In the present specification, the case where the reception key and the recording key match means that the reception key and the recording key correspond to each other, in addition to the case where both physically match. (For example, when the two have a tally-like relationship)
Shall be included.

Further, in the ROM area of the recording medium 14, it is possible to record not only one recording key but a plurality of recording keys. In this case, by providing the provided data together with a different reception key for each content,
It is possible to provide detailed services. That is, if two types of provision data A or B are to be transmitted together with the reception keys a or b, for example, provision data A
A user who wants to receive only the recording key 14 may purchase the recording medium 14 in which the recording key corresponding to the reception key a is recorded.
A user who desires to receive both the provided data A and B may purchase the recording medium 14 in which the recording keys corresponding to the reception keys a or b are recorded. In this case, by providing a difference in the prices of the recording media 14, the user can view only the provided data desired by the user at a price commensurate with the provided data.

Furthermore, if the provided data A or B is for adults or children, respectively, the parent
By purchasing the recording medium 14 corresponding to the reception key b and handing it over to the child, it is possible to prevent the child from viewing the provided data A for adults (particularly, what the child wants to restrict viewing) A. it can. In this case, the parent may separately purchase the recording medium 14 corresponding to the reception key a in order to view the provided data A for adults.

Further, the user can easily create the original library by purchasing the recording medium 14 in which the recording key necessary for receiving the desired provision data is recorded. That is, for example, by purchasing the recording medium 14 in which the recording key necessary for receiving the recipe of the dish and the provided data regarding the restaurant is recorded, the “cooking recipe collection” or the “delicious and cheap shop collection” is obtained. You can create a library entitled Alternatively, for example, by purchasing the recording medium 14 in which the recording key necessary for receiving the provided data regarding the promotion of the soccer J-League and the CD is recorded, the “J-League data” and the “latest CD promotion” can be obtained. You can create a library entitled "Collection".

Furthermore, if the provided data is so-called hypertext, the provided data recorded on the recording medium 14 can be used by a computer. In this case, it becomes possible to easily search, sort, and edit the library created as described above. Further, in this case, it is possible to load the data provided by a network such as the so-called Internet into the library.

Further, since the provision data is transmitted by being superimposed on the television broadcast signal (video signal), for example, when the provision data of the product is transmitted and the advertisement of the product is mailed by direct mail or the like. By comparison, it is possible to easily introduce products to many users. Further, since the provision data is recorded in the recording medium 14, for example, by recording the provision data regarding the product, it is possible to create an electronic catalog, so to speak. Then, in this case, it is possible to introduce a more detailed product as compared with a commercial by television broadcasting.

Next, FIG. 5 shows the configuration of a second embodiment of the broadcasting system provided with the present invention. In the figure, the same reference numerals are given to portions corresponding to the case in FIG. That is, in this broadcasting system, only the provided data is transmitted from the information provider to the broadcasting station without transmitting the key (reception key), and the receiving device 112 is provided instead of the receiving device 12. Other than that, the configuration is similar to that of the broadcasting system of FIG.

In this embodiment, in the receiving device 112, in the same manner as in the receiving device 12 described above,
The provided data is extracted from the video signal. Then, according to the receiving device 112, all the provided data thus obtained are recorded in the recording medium 14. The recording medium 14
Is purchased from the information provider as in the case of FIG.

When the user desires to view the provided data recorded on the recording medium 14, the user pays a predetermined reception fee to the information provider, so that the recording key recorded in the ROM area (the present embodiment). In the example, a recording password will be referred to hereinafter), and the password is input to the receiving device 112. In the receiving device 112, the input password (hereinafter, appropriately referred to as an input password) is compared with the recording password recorded in the ROM area of the recording medium 14, and only when both match, the recording medium 14 The provided data is read. The read provided data is output and displayed on the monitor 13, whereby the user can
You can view the provided data.

FIG. 6 shows an example of the configuration of the receiving device 112 shown in FIG. In the figure, parts corresponding to those in FIG. 3 are designated by the same reference numerals, and in the following,
The description is omitted as appropriate.

In this receiving device 112, the provided data output from the data decoder 73 is output to the data storage controller 174, and the RA of the recording medium 14 is output.
It is recorded in the M area. When the remote controller 15 is displayed and operated after the provided data is recorded in the recording medium 14, the control circuit 178 controls the data storage controller 174 in the same manner as in the control circuit 78 of FIG. The provided data is read from the medium 14 and output to the monitor 13 via the data display circuit 75 to be displayed.

At this time, the comparison circuit 179 monitors the reading of the provided data from the recording medium 14 by the data storage controller 174, and when the data storage controller 174 reads the predetermined provided data from the recording medium 14, the comparison is made. Stop reading.

Therefore, from the user's point of view, after a part of the provided data is displayed, the subsequent display is stopped.

When the user desires to view the remaining provided data recorded in the RAM area of the recording medium 14, the user pays a predetermined reception fee to the information provider to input the input password corresponding to the recording medium 14. To be taught. Then, the input password is input by operating the remote controller 15. This input password is received by the control circuit 178 via the antenna 76 and the receiving circuit 77. When the control circuit 178 receives the input password,
It is input to the comparison circuit 179. The comparison circuit 179 is
When the input password is input, the data storage controller 174 is controlled to read the recording password recorded in the ROM area from the recording medium 14. Further, the comparison circuit 179 determines whether or not the input password and the recording password match. Then, when the both match, the comparison circuit 179 causes the data storage controller 174 to read the remaining provided data recorded in the RAM area of the recording medium 14.

As a result, the user can read the R
All the provided data recorded in the AM area can be viewed.

Therefore, the user pays the reception fee only when he / she views a part of the provided data and wants to continue the viewing of the provided data. You will not have to pay the reception fee. Also, the information provider can easily charge many users.

When the comparison circuit 179 determines that the input password and the recording password match, the input password is output to the data storage controller 174 and recorded in the RAM area of the recording medium 14. Recording medium 14 set in receiving device 112
If the input password is recorded in the RAM area of
The data storage controller 174 is adapted to read out not only the recording password but also the input password and supply it to the comparison circuit 179.
Then, the input password and the recorded password are compared. In this case, since the input password and the recording password always match, the user is free to view the provided data recorded in the RAM area of the recording medium 14 after once inputting the input password that is properly acquired. It becomes possible to do.

Next, referring to the flowchart of FIG.
The process of the receiving device 112 will be further described. Whether the user purchases the recording medium 14 and records the provided data on the recording medium 14 by the receiving device 112 as described above and then views a part of the provided data to view the remaining provided data. Decide whether If the user does not desire to view the remaining provided data, no particular processing is performed.

On the other hand, when the user desires to view the remaining provided data, in step S11, the user pays the reception fee to the information provider, for example, by postal transfer or cash registration, or at a store of a predetermined store. afterwards,
In step S12, the user is notified of the input password by, for example, mail or telephone, or by a salesclerk of the store. Then, in step S13, the recording medium 14 is set in the receiving device 112, the process proceeds to step S14, and the input password is input.

When the input password is input, in the receiver 112, in step S15, the comparison circuit 179 determines whether or not the input password matches the recording password recorded in the ROM area of the recording medium 14. To be done. If it is determined in step S15 that the input password and the recorded password do not match,
That is, for example, if the input password is entered incorrectly, the process returns to step S14 and the input password is entered again.

On the other hand, if it is determined in step S15 that the input password and the recording password match, the process proceeds to step S16, the remaining provided data recorded in the recording medium 14 is read, and the process proceeds to step S17. In step S17, the provided data read from the recording medium 14 is displayed on the monitor 13, and the process ends.

The receiving device 112 of FIG. 6 can be configured as a reproducing device of the recording medium 14 by removing the television tuner 71, the television display circuit 72, and the data decoder 73.

Next, FIG. 8 shows the configuration of a third embodiment of the broadcasting system to which the present invention is applied. In the figure, the same reference numerals are given to portions corresponding to the case in FIG. That is, this broadcasting system is the receiver 1
12, a receiving device 212 is provided, and the receiving device 212 and the host computer 22 of the information provider are provided.
Are connected via the public network 30, and are configured similarly to the broadcasting system in FIG.

In this embodiment, the receiving device 212 records the provided data in the recording medium 14 in the same manner as in the receiving device 112 described above.

When the user wishes to view the provided data recorded in the recording medium 14, the user requests the input password from the host computer 22 of the information provider via the public line 30. Upon receiving this request, the host computer 22 inquires of the computer of the credit company (not shown) whether the user can pay the reception fee, and if the user can pay the reception fee, enter the input password into the public domain. It transmits to the receiving device 212 via the network 30. When receiving the input password, the receiving device 112 compares the input password with the recording password recorded in the ROM area of the recording medium 14, and only when the both match, the provided data is read from the recording medium 14. Be done. The read provision data is output and displayed on the monitor 13 so that the user can view the provision data.

FIG. 9 shows a configuration example of the receiving device 212 of FIG. In the figure, parts corresponding to those in FIG. 6 are denoted by the same reference numerals, and hereinafter,
The description is omitted as appropriate.

In this receiving device 212, when the remote controller 15 is displayed and operated after the provided data is recorded in the RAM area of the recording medium 14, the recording medium 14 is read out in the same manner as in FIG. When the provision data of the set is read and displayed on the monitor 13, the display of the provision data is stopped.

When the user wishes to view the remaining provided data recorded in the RAM area of the recording medium 14, he / she operates the remote controller 15 to request the information provider for an input password (hereinafter, referred to as this input password). Such an operation of the remote controller 15 is appropriately called a request operation). A signal corresponding to this required operation (hereinafter, appropriately referred to as a required operation signal) is transmitted via the antenna 76 and the receiving circuit 77 to the control circuit 178.
When the control circuit 178 receives the request operation signal, the control circuit 178 controls the line I / F 80 and, via the public network 30,
A communication link with the information provider's host computer 22 is established. The line I / F 80 is the host computer 2
After establishing the communication link with 2, the host computer 22 is requested for an input password.

When the host computer 22 receives this request, the user inquires to the computer of the credit company whether the payment of the reception fee is possible, and if there is no problem (there is no delinquency, payment of the reception fee, etc.). If possible, an input password corresponding to the recording medium 14 (the same input password as the recording password recorded in the ROM area of the recording medium 14) is input via the public network 30 to the receiving device 212 (line I / O). Send to F80). In the receiving device 112, this input password is received by the line I / F 80, and when the line I / F 80 receives the input password, the line is disconnected and the input password is output to the control circuit 178. Upon receiving the input password, the control circuit 178 inputs it into the comparison circuit 179. Hereinafter, in the same manner as in FIG. 6, the R of the recording medium 14 is changed.
The remaining provided data recorded in the AM area is the monitor 1
It is displayed in 3.

Also in this case, as in the case of FIG. 6, the input password is recorded in the RAM area of the recording medium 14, and thereafter, the RA of the recording medium 14 is recorded.
It is possible to freely view the provided data recorded in the M area.

As described above, according to this embodiment, since the input password is transmitted from the information provider (host computer 22), the input error can be prevented. However, since the input password is transmitted via the public network 30, a transmission error may occur during its transmission. In this case, the input passwords do not match, and therefore the provided data is not read. . Therefore, in such a case, it is necessary to request the input password again.

Next, the processing of the receiving device 212 will be further described with reference to the flowchart of FIG.
The user purchases the recording medium 14 from the information provider, and in step S21, the recording medium 14 is received by the receiving device 21.
Set to 2. Then, after recording the provision data on the recording medium 14, by viewing a part of the provision data, it is determined in step S22 whether or not to view the remaining provision data, that is, whether to request (claim) the input password. To do. If it is determined in step S22 that the remaining provided data is not viewed, the process ends.

On the other hand, if it is determined in step S22 that the remaining provided data is to be viewed, the user does not
By performing the operation of requesting 5, the input password is requested to the information provider. When the remote controller 15 is requested to be operated,
In step S23, as described above, the public network 30
A communication link with the host computer 22 of the information provider is established by the line I / F 80 via the. Furthermore, in step S23, the line I / F 80 requests the host computer 22 for an input password.

When the host computer 22 receives the request for the input password, in step S24, for example, to investigate the payment of the reception fee by credit, the information about the credit card owned by the user (for example, the name of the user, The line I / F 80 is requested via the public network 30 for a credit card number, a personal identification number, etc. (hereinafter, appropriately referred to as credit card information). Upon receiving the request for credit card information, the line I / F 80 outputs it to the control circuit 178. Then, the control circuit 178 controls the data display circuit 75 via the data storage controller 174, thereby causing the monitor 13 to display a message prompting the input of credit card information.

The user looks at the display on the monitor 13 and inputs the credit card information by operating the remote controller 15. This credit card information is received by the control circuit 78 via the antenna 76 and the receiving circuit 77,
When the control circuit 78 receives the credit card information,
This is output to the line I / F 80. The line I / F 80 is
The credit card information from the control circuit 78 is sent to the public network 3
0 to the host computer 22 of the information provider.

The host computer 22 uses the line I / F 8
Receive the credit card information sent from 0,
An inquiry is made to the computer of the credit company based on this credit card information. Then, the host computer 22 waits for a reply from the computer of the credit company, and in step S25, determines whether the user has a problem based on the reply. If there is a problem with the user, the process is terminated. If there is no problem with the user, the process proceeds to step S26, and the input password corresponding to the recording medium 14 is input from the host computer 22 to the line I / F 80. Sent.

In the line I / F 80, the input password sent from the host computer 22 is changed to the step S
The signal is received at 27, the process proceeds to step S28, and the line is disconnected. The input password received by the line I / F 80 is input to the comparison circuit 179 via the control circuit 178.

In the comparison circuit 179, in step S29, it is determined whether or not the input password matches the recording password recorded in the ROM area of the recording medium 14. If it is determined in step S29 that the input password and the recording password do not match, the process ends.

If it is determined in step S29 that the input password and the recording password match, the process proceeds to step S30, the remaining provided data recorded in the recording medium 14 is read, and the process proceeds to step S31. In step S31, the provision data read from the recording medium 14 is displayed on the monitor 13, and the process ends.

Next, FIG. 11 shows the configuration of a fourth embodiment of the broadcasting system to which the present invention is applied. In the figure,
Parts corresponding to those in FIG. 8 are designated by the same reference numerals.

In this broadcasting system, the information provider also serves as, for example, a store of the product, and as the provided data, information about the product (product information) (for example, data of a photograph of the appearance of the product or the data thereof). Price, size, etc.)
Is transmitted to the broadcasting station. At the broadcast station, this provided data is transmitted by being superimposed on the television broadcast signal (video signal) as described above.

This television broadcast signal is received by the antenna 11 on the user side, and the received signal (television broadcast signal) is supplied to the receiver 312. In the receiving device 312, the received signal supplied from the antenna 11 is demodulated, and the provided data is extracted from the demodulated signal (video signal). This provided data is output to the monitor 13 and displayed.

When the user looks at the display on the monitor 13 and wishes to purchase a product, he first contacts the credit company and concludes a credit contract. In a credit company, when a user applies for a credit contract, a predetermined examination is performed, and if the user has no problem, the recording medium 14 (instead of the credit card) is used as a credit card.
To the user. The RO of the recording medium 14
In the area M, in addition to the key described in FIG. 2 (hereinafter, appropriately referred to as a personal identification number in this embodiment) and the expiration date, the recording medium 14 serves as a substitute for a credit card.
Information about the user (for example, the user's name),
The information corresponding to the credit card number is also recorded.

After receiving the recording medium 14, the user
Alternatively, at the same time as receiving it, the credit card company will tell you the personal identification number recorded on the recording medium 14. When the user wants to purchase the product displayed on the monitor 13, the user sets the recording medium 14 to the receiving device 3
Set to 12. Further, the user inputs the personal identification number (hereinafter, appropriately referred to as an input personal identification number) that the credit company has given to the receiving apparatus 312. Receiver 3
When the input personal identification number is entered, the recording medium 14
The personal identification number (hereinafter, referred to as a recorded personal identification number) recorded in is read out, and both are compared. When the input personal identification number and the recorded personal identification number match, the receiving device 312 indicates that the product is purchased through the public network 30 (hereinafter, appropriately referred to as a product purchase request) by the host computer of the information provider. 22 to 22.

When the product purchase request is received by the host computer 22, the fact is registered in the database 21. The information provider refers to the registration status of the database 21 to send the product to the user and requests the credit company to pay the price. The credit company pays the price to the information provider and sends a bill for the price to the user. After that, the payment is deducted from the user, for example, from a bank account. That is, the price of the product is paid to the credit company.

If the input personal identification number and the recorded personal identification number do not match, in the host computer 22,
The product purchase request is not accepted.

As described above, the merchandise purchase request process is performed only when the recorded personal identification number recorded in the ROM area of the recording medium 14 and the input personal identification number input to the receiving device 312 match. For example, a child
It is possible to prevent the purchase of a product.

Next, FIG. 12 shows a receiver 312 of FIG.
The example of composition of is shown. Note that, in the figure, portions corresponding to those in FIG. 9 are denoted by the same reference numerals.

The television broadcast signal received by the antenna 11 is supplied to the television tuner 71. As described above, the television tuner 71 demodulates a television broadcast signal for a predetermined channel, and the resulting demodulated signal is output to the television display circuit 72 and the data decoder 73.

The TV display circuit 72 is the TV tuner 7
The video signal is extracted from the demodulated signal from the monitor 1, and the necessary processing for displaying it on the monitor 13 is performed.
Output to 3. As a result, the monitor 13 displays the program (video) of the predetermined channel.

On the other hand, in the data decoder 73, provided data superimposed on the video signal (vertical blanking period) of the demodulated signal is extracted and decoded. This provided data is output to the data display circuit 75 via the data storage controller 274, whereby the provided data is displayed on the monitor 13 as in the case described above.

The remote controller 15 determines whether to display the program image or the provided data on the monitor 13.
It can be controlled by operating.

When the provided data is displayed on the monitor 13, when the user desires to purchase the product corresponding to the provided data, the user operates the remote controller 15 so as to specify the product (such as the above). Hereinafter, the operation will be referred to as a purchase operation as appropriate). The signal corresponding to this purchase operation (hereinafter, appropriately referred to as a purchase operation signal) is the antenna 76.
It is also received by the control circuit 278 via the receiving circuit 77. When the control circuit 278 receives the purchase operation signal,
The line I / F 80 is controlled to establish a communication link with the host computer 22 of the information provider via the public network 30. Then, the line I / F 80 issues a product purchase request to the host computer 22 and sends the public network 30.
To send via.

When the host computer 22 receives the product purchase request, a message for confirming whether the request is correct (this message also includes the product name etc.) (hereinafter, appropriately referred to as a confirmation message).
To the line I / F 80 via the public network 30. Upon receiving this confirmation message, the line I / F 80 receives the control circuit 278 and the data storage controller 27.
4 to the data display circuit 75. As a result, a confirmation message is displayed on the monitor 13.

The user looks at the confirmation message and confirms that the product name or the like contained therein corresponds to the product desired to be purchased, and then operates the remote controller 15 to input the input personal identification number. input. This input personal identification number is received by the control circuit 278 via the antenna 76 and the receiving circuit 77. Upon receiving the input personal identification number, the control circuit 278 inputs it into the comparison circuit 379. Upon receiving the input personal identification number, the comparison circuit 379 controls the data storage controller 274 to read the recording personal identification number recorded in the ROM area of the recording medium 14. Then, the comparison circuit 379 compares the input personal identification number with the recorded personal identification number, and outputs a control signal to the control circuit 278 only when both match.

Upon receiving the control signal from the comparison circuit 379, the control circuit 379 causes the line I / F 80 to retransmit the product purchase request.

The control circuit 379 has a comparison circuit 379.
If more control signals could not be received,
The line I / F 80 disconnects the line and stops the processing.

The host computer 22 uses the line I / F 8
When a new product purchase request is received from 0, the fact is registered in the database 21. Thereby, as described above, the product is delivered from the information provider to the user. Further, the host computer 22, after registering the product purchase request in the database 21, includes a description (hereinafter referred to as a purchase specification, as appropriate,) of the price and other information of the product (the product purchased by the user) corresponding to the product purchase request. ) To the public network 30
To the line I / F 80 via. Line I / F80
Receives the purchase details and then disconnects the line. In addition, the line I / F 80 uses the received purchase details to the control circuit 2
78. The control circuit 278 sends the purchase details from the line I / F 80 to the data storage controller 274.
To be recorded on the recording medium 14. That is, as a result, the purchase details are recorded in the RAM area of the recording medium 14.

When the user wishes to confirm the purchase details, he / she operates the remote controller 15 in such a manner (such an operation is hereinafter referred to as a confirmation operation). The signal corresponding to this confirmation operation (hereinafter, appropriately referred to as confirmation operation signal) is
Via the antenna 76 and the receiving circuit 77, the control circuit 2
When the control circuit 278 receives the confirmation operation signal, the control circuit 278 causes the data storage controller 274 to read the purchase details recorded in the RAM area of the recording medium 14. The purchase details read from the recording medium 14 are output from the data storage controller 274 to the data display circuit 75, and thereby displayed on the monitor 13.

As described above, the purchase details are recorded on the recording medium 14
Since it is recorded in the RAM area of, the recording medium 14 can be used not only by the user as a credit card as described above but also as a simple household account book. Further, in this case, the user can easily confirm the purchase details. Therefore, the recording medium 14 can be used not only as a credit card but also as a household account book.
The convenience can be improved.

Next, the operation of the receiving apparatus 312 will be further described with reference to the flowchart of FIG.
First, in step S41, the user applies for a credit contract with a credit company. Then, in the credit company, the user is examined in step S42, and if there is no problem, the recording medium 14 as a credit card is issued to the user in step S43. In this embodiment, the recording medium is MD data, for example. Further, since this MD data functions as a credit card, it will be appropriately referred to as an MD card hereinafter.

After receiving the MD card 14, the user operates the receiving device 312. As a result, in step S44, as described above, the monitor 13
Provision data regarding a television broadcast program (video) or product is displayed.

When the user is watching the provided data regarding the product, in step S45, it is determined whether or not there is a product desired to be purchased. If there is no product desired to be purchased, the process returns to step S44. If there is a product desired to be purchased, the remote controller 15 is operated to be purchased in step S46.

The purchase operation signal output by the purchase operation of the remote controller 15 is received by the control circuit 278. When the control circuit 278 receives the purchase operation signal, the control circuit 278 controls the line I / F 80. In step S47, a communication link with the host computer 22 of the information provider is established via the public network 30.

Thereafter, as described above, the host computer 22 sends a confirmation message, which is displayed on the monitor 13. The user looks at the display on the monitor 13 and confirms whether or not to purchase the product in step S48.

If the user decides not to purchase the product, the process is stopped. In addition, when the user purchases the product, the user inserts (sets) the MD card 14 into the slot of the receiving device 312 in step S49, and further,
In step S50, the input personal identification number
Input by operating 5.

The input personal identification number input by operating the remote controller 15 is supplied to the comparison circuit 379 via the antenna 76, the receiving circuit 77, and the control circuit 278. In the comparison circuit 379, in step S51, the input personal identification number and the recorded personal identification number recorded in the ROM area of the MD card 14 are compared with each other to determine whether or not they match. If it is determined in step S51 that the input personal identification number and the recorded personal identification number do not match, the process ends. Step S
When it is determined in 51 that the input personal identification number and the recorded personal identification number match, the comparison circuit 379 to the control circuit 27
A control signal is output to the signal line 8.

Upon receiving the control signal from the comparison circuit 379, the control circuit 279 causes the line I / F 80 to retransmit the product purchase request. Then, the line I / F 80 thereafter receives the purchase details transmitted from the host computer 22 via the public network 30 as described above, and outputs the purchase details to the data storage controller 274 via the control circuit 278. As a result, in step S52, the purchase details (purchase log) is the R of the MD card 14.
It is recorded in the AM area. After the above processing is completed, the line I /
F80 disconnects the line in step S53.

Thereafter, in step S54, the product is delivered from the information provider to the user, and in step S55, the credit company deducts the price of the purchased product from the user's account, and the process is performed. To finish.

Next, FIG. 14 shows the configuration of an embodiment of a personal computer communication system to which the present invention is applied. The center station has a host computer 31. The host computer 31 is connected to the public network 30,
It is designed to operate as a host computer of a predetermined personal computer communication network. Furthermore, the host computer 31 stores various data provided for a fee (this data will also be referred to as “provided data” hereinafter as appropriate).

When the user desires to obtain the provided data stored in the host computer 31, first, the user contacts the credit company and makes a credit contract. In a credit company, when a user applies for a credit contract, a predetermined examination is performed, and if the user has no problem,
The recording medium 14 (which replaces the credit card) as a credit card is shipped to the user. Note that, in the present embodiment as well, the ROM area of the recording medium 14 is stored in
In addition to the key (also in the present embodiment, hereinafter referred to as a personal identification number as appropriate in the fourth embodiment of the broadcasting system) and the expiry date, the recording medium 14 substitutes for a credit card. Information about the user,
The information corresponding to the credit card number is also recorded.

After the user receives the recording medium 14,
Alternatively, at the same time as receiving the password, the credit company records the personal identification number (recorded personal identification number) recorded on the recording medium 14. Then, the user operates the terminal 32 to access the personal computer communication network (host computer 31) and establish a communication link between them. Then, the user sets the recording medium 14 in the terminal 32, and further inputs in the terminal 32 the personal identification number (input personal identification number) given by the credit company. The recording medium 14 can be attached to and detached from the terminal 32.

In the terminal 32, when the input personal identification number is input, the recorded personal identification number recorded in the recording medium 14 is read out and compared with each other. When the input personal identification number and the recorded personal identification number match, the terminal 32 determines that the public network 30
A request to transmit the provided data (hereinafter, appropriately referred to as a transmission request) is transmitted to the host computer 31 of the center station via the.

When the host computer 31 receives the transmission request, the host computer 31 sends the provided data stored therein to the public network 3
It is transmitted to the terminal 32 via 0. At the terminal 32, the provided data from the host computer 31 is downloaded, and when it is finished, the line is disconnected.

After downloading the provided data, the user can freely access the provided data.

On the other hand, the center station charges the credit company for payment for the provided data provided to the user. The credit company pays the price to the center station and sends a bill for the price to the user.
After that, the payment is deducted from the user, for example, from a bank account. That is, by this, the credit company is paid for the provided data.

When the input personal identification number and the recorded personal identification number do not match, the transmission request is not transmitted from the terminal 32 to the host computer 31.

As described above, the transmission request process is performed only when the recorded personal identification number recorded in the ROM area of the recording medium 14 and the input personal identification number input to the terminal 32 match. But in his own name,
It is possible to prevent obtaining the provided data.

FIG. 15 shows a detailed configuration example of the terminal shown in FIG. The modem 41 controls the communication with the outside (the host computer 31 in this embodiment) instead of the CPU 42. The CPU 42 is a ROM
According to the system program and application program recorded in (Read Only Memory) 43,
It is designed to perform predetermined information processing. ROM43
Stores system programs and necessary application programs. RAM (Random Access Me)
The memory 44 stores data necessary for the operation of the CPU 42 and other data. Input device 4
Reference numeral 5 is, for example, a keyboard or a pointing device (for example, a mouse), which is operated when a command or necessary data is input to the CPU 42. The output device 46 is, for example, a monitor or a speaker, and the CPU 42
The supplied data is displayed or output as voice. The drive device 47 is configured so that the recording medium 14 can be attached to and detached from the drive device 47.
Under the control of U42, data is read from and written to the recording medium 14. The blocks forming the terminal 32 are connected to each other via a bus.

In the terminal 32 configured as described above, the user operates the input device 45 so as to access the host computer 31 when desiring to obtain the provided data. A signal corresponding to this operation (hereinafter, as appropriate,
The access request operation signal) is received by the CPU 42, and when the CPU 42 receives the access request operation signal, the CPU 42 controls the modem 41, thereby establishing a communication link with the host computer 31 via the public network 30. .

After that, the user further operates the input device 45 to specify the provision data desired to be obtained (the information on the specified provision data will be referred to as “designation information” hereinafter), and the input password. Enter the number. The designation information and the input personal identification number are supplied to the CPU 42. When the CPU 42 receives the designation information and the input personal identification number, the CPU 42 controls the drive device 47 and the recording medium 1
The recording personal identification number recorded in the ROM area 4 is read out. Further, the CPU 42 compares the input personal identification number and the recorded personal identification number, and if they match, the modem 4
By controlling 1, the specified information is sent together with the transmission request.
The data is transmitted to the host computer 31 via the public line 30.

Upon receipt of the designation information and the transmission request, the host computer 31 transmits, among the provided data stored in itself, the one corresponding to the designation information to the terminal 32 via the public network 30. The terminal 32 downloads the provided data from the host computer 31.
That is, the provided data from the host computer 31 is received by the modem 41, supplied to the RAM 44, and stored therein.

After the transmission of the provision data, the host computer 31 transmits a specification (hereinafter, appropriately referred to as a payment specification) including the price and other information for the provision data to the modem 41 via the public network 30. The modem 41 receives the payment details, and disconnects the line when the reception is completed. Further, the modem 41 outputs the received payment details to the drive device 47, thereby recording the payment details in the RAM area of the recording medium 14.

After that, the user operates the input device 45 to read the provided data stored in the RAM 44 and cause the output device 46 to output the provided data. If the user wants to save the provided data, he or she operates the input device 45 to instruct the CPU 42 to save the provided data. Then, the CPU 42 reads the provided data stored in the RAM 44 and supplies it to the drive device 47. In the drive device 47, the supplied provision data is
It is recorded in the RAM area of the recording medium 14.

After recording the provided data on the recording medium 14, the user can read the provided data from the recording medium 14 and output the data at the output device 46 when desired.

Next, the operation of the terminal 32 will be further described with reference to the flowchart in FIG. First,
In steps S61 to S63, respectively, in the same manner as in steps S41 to S43 of FIG.
The user asks the credit company to issue the recording medium 14 as a credit card. Note that, also in this embodiment, the recording medium 14 will be appropriately referred to as an MD card 14 hereinafter, as in the case of the fourth embodiment of the above-described broadcasting system.

After receiving the MD card 14, the user operates the input device 45 so as to access the personal computer communication network. As a result, step S64
At, the communication link with the host computer 31 of the center station is established by the modem 41. After that, in step S65, the user operates the input device 45 to specify the provided data that the user desires to obtain. Thereby, from the input device 45 to the CPU 42,
The specified information is output.

Then, in step S66, the user sets the MD card 14 in the drive device 47 and further operates the input device 45 to input the input personal identification number. This input personal identification number is output to the CPU 42.

In step S68, the CPU 42 collates the input personal identification number with the recorded personal identification number recorded in the ROM area of the MD data 14, and thereby determines whether or not they match. Step S6
If it is determined in 8 that the input personal identification number and the recorded personal identification number do not match, the process ends. If it is determined in step S68 that the input personal identification number and the recorded personal identification number match, the CPU 42 determines that the modem 41
Then, the transmission request and the designation information are transmitted to the host computer 31 via the public network 30.

After that, the modem 41 receives the provided data and the bill details transmitted from the host computer 31 via the public network 30 as described above. The price statement (purchase log) is supplied to the drive device 47,
In step S69, the data is recorded in the RAM area of the MD card 14.

Then, in step S70, the provided data is downloaded. That is, in step S70, the provided data received by the modem is supplied to and stored in the RAM 44. After the download is completed, the user operates the input device 45 so as to output the provided data. An operation signal corresponding to this operation is received by the CPU 42, and in this case, the CPU 42 reads the provided data stored in the RAM 44 and supplies it to the output device 46 to output it.

The user refers to the provision data output from the output device 46 and confirms in step S71 whether or not the desired provision data has been correctly downloaded. Then, when the provided data desired by the user is not correctly downloaded, the process returns to step S70, and the provided data is downloaded again. Also,
If the provided data desired by the user is correctly downloaded, the process proceeds to step S72, and the line is disconnected by the modem 41.

After that, in step S73, the credit company deducts the price for the provided data from the user's account, and the process ends.

Next, FIG. 17 shows the configuration of the fifth embodiment of the broadcasting system to which the present invention is applied. In the figure,
Parts corresponding to those in FIG. 1 are denoted by the same reference numerals. In other words, this broadcasting system uses the data identification ID instead of the key (reception key) from the information provider.
And the IP identification ID is transmitted to the broadcasting station, and a receiving device 412 is provided instead of the receiving device 12,
It is configured similarly to the broadcasting system of FIG.

Here, the data identification ID is for identifying the provided data, and different data identification IDs are associated with different provided data. Also, IP
The identification ID is for identifying the information provider, and although only one information provider is shown in FIG. 17, there are other information providers, and each of these information providers, A unique IP identification ID is assigned.

The television broadcast signal transmitted from the broadcasting station is received by the antenna 11 on the user side, and is received by the receiving device 4.
12 are supplied. A user who desires to view the provided data purchases the recording medium 114 also sold by the information provider.

Here, the recording medium 114 in this embodiment is used.
Is designed to be used as a prepaid card. That is, the recording medium 114 is the recording medium 1.
As in the case of No. 4, it is composed of MD data, for example, and also has a ROM area and a RAM area. Then, in the ROM area of the recording medium 114, as shown in FIG.
The IP identification ID of the information provider who provides the provided data that can be recorded in the RAM area, and the maximum number of times that the provided data can be recorded in the recording medium 114 (hereinafter, as appropriate,
The usable number of times) is recorded. Further, in the RAM area of the recording medium 114, the remaining number of times that the provided data can be recorded on the recording medium 114 (hereinafter, appropriately the number of remaining usable times) is recorded. When the recording medium 114 is unused, the usable count and the remaining usable count match.

Returning to FIG. 17, the user who has purchased the recording medium 114 can set (mount) the receiving medium 412 on the receiving device 412 to record the provided data from the information provider in the RAM area. Become.

That is, in the receiving device 412, the antenna 11
The received signal thus supplied is demodulated, and the provided data, the data identification ID, and the IP identification ID included in the blanking period are extracted from the demodulated signal (video signal). Further, in the receiving device 412, the IP identification ID recorded on the recording medium 114 (hereinafter, appropriately referred to as the recorded IP identification ID) is read, and the received IP identification ID (hereinafter, appropriately referred to as the received IP identification ID). ID) is compared. If they match, the receiving device 412
Then, the remaining usable number recorded in the recording medium 114 is read, and the provision data is recorded in the RAM area of the recording medium 114 only when it is not less than 0. Therefore, the user can record the provided data from the information provider on the recording medium 114 up to the number of times corresponding to the usable number of times recorded on the recording medium 114.

After the provided data is recorded on the recording medium 114, the user can read the provided data from the recording medium 114 and display it on the monitor 13 to view it.

On the other hand, the recorded IP identification ID and the received IP identification I
If D does not match, the provided data is the recording medium 114.
Not recorded in. Therefore, it is possible to prevent the unauthorized reception of the provided data. In this case, when the user desires to receive the provided data, the user receives the received IP identification ID.
It is necessary to purchase a recording medium dedicated to the information provider (where the IP identification ID assigned to the information provider is recorded) from the information provider to which the information provider is assigned.

The recorded IP identification ID and the received IP identification I
Even when D matches, when the remaining usable number is less than 0, the provided data is still recorded on the recording medium 11.
Not recorded in 4. Therefore, in this case, when the user further desires to receive the provided data, the user needs to purchase a new recording medium 114 from the information provider.

As described above, since the number of times the provision data can be recorded in the recording medium 114 is determined, it is possible to prevent the reception of the provision data exceeding the number of times, that is, the illegal reception, and , It becomes possible to collect proper reception fees. Further, the provided data cannot be received unless the recording medium 114 is purchased in advance, so that reliable charging can be performed.

Next, FIG. 19 shows a receiver 412 of FIG.
The example of composition of is shown. In the figure, parts corresponding to those in FIG. 3 are designated by the same reference numerals,
In the following, the description will be omitted as appropriate.

In the data decoder 73, the provision data, the data identification ID and the reception I superimposed on the video signal are received.
The P identification ID is extracted, and the provided data is sent to the data storage controller 374, where the data identification ID and the reception IP
The identification ID is supplied to the comparison circuit 479, respectively. The comparison circuit 479 receives the data identification ID and the received IP identification I.
Upon receiving D, the data storage controller 374
Then, the usable count, the recording IP identification ID, and the remaining usable count are read from the recording medium 114.

Then, the comparison circuit 479 compares the usable number of times with the remaining usable number of times, and determines whether the remaining usable number of times is larger than the usable number of times. When the remaining usable number is larger than the usable number, the comparison circuit 479
Controls the data storage controller 374 so that the provided data is not recorded on the recording medium 114.

That is, the remaining usable number of times is determined by the recording medium 114.
Since it is recorded in the RAM area of, there is a possibility that the value may be tampered with. Therefore, when the remaining usable number is larger than the usable number, it is determined that the remaining usable number is falsified, and the comparison circuit 479 does not record the provided data.

If the remaining usable number of times is not larger than the usable number of times, the comparing circuit 479 determines that the recording IP identification I
D is compared with the received IP identification ID. If they do not match, the comparison circuit 479 also controls the data storage controller 374 to prevent the provided data from being recorded in the recording medium 114.

On the other hand, the recorded IP identification ID and the received IP identification I
When D and D match, the comparison circuit 479 determines whether or not the remaining usable number is less than 0. When the remaining usable number of times is less than 0, the comparison circuit 479 controls the data storage controller 374 and also does not record the provided data in the recording medium 114.

If the remaining usable number of times is not less than 0, the comparison circuit 479 causes the data storage controller 374 to record the provided data in the RAM area of the recording medium 114.

After that, the comparison circuit 479 monitors the data identification ID supplied from the data decoder 73, and detects whether or not it has changed. When the data identification ID is changed, it means that the provided data different from the previous one is received. Therefore, the comparison circuit 479 decrements the remaining usable number by 1 and stores the value in the recording medium 114. The data storage controller 374 is controlled to record. As a result, the remaining usable count decremented by 1 is written in the recording medium 114.

Therefore, it is possible to record, on the recording medium 114, the provided data provided by the information provider to which the recorded IP identification ID is assigned, the number of times corresponding to the usable number of times.

After the provided data is recorded in the recording medium 114 as described above, the user can view the provided data in the same manner as in the case of FIG.

The operation of receiving apparatus 412 will be further described with reference to the flowchart of FIG.
When the user desires to receive the provided data provided by a certain information provider A, the user purchases the recording medium 114 dedicated to the information provider A in step S81. Here, if the reception fee of the provision data provided by the information provider A is set to, for example, 1000 yen per time, the information provider A receives the provision data only, for example, 10 times. The recording medium 114 that can be sold is sold for 1000 yen × 10 times for the amount of the ordinary recording medium 114 added. The user purchases the recording medium 114 at such a price. In this case, such a recording medium 114
According to the data provided by the information provider A,
Can be received only once.

After purchasing the recording medium 114, the user sets it in the receiving device 114 in step S82. Then, in step S83, the recording medium 114
The number of usable times recorded in (in this embodiment,
The comparison circuit 479 compares 10) with the remaining usable number of times. Then, when it is determined in step S83 that the remaining usable number of times is not less than or equal to the usable number of times, the processing ends. In step S83,
When it is determined that the remaining usable number of times is less than or equal to the usable number of times, the process proceeds to step S84, the reception signal from the antenna 11 is received by the television tuner 71, and further, the data decoder 73 outputs the output from the television tuner 71. Provided data, data identification ID, and received IP identification I
D is extracted. Then, the provided data is output to the data storage controller 374, and the data identification I
The D and the received IP identification ID are output to the comparison circuit 479.

After that, the process proceeds to step S85, and the reception IP
Identification ID and recording IP recorded on the recording medium 114
The comparison circuit 479 determines whether the identification IDs match. If it is determined in step S85 that the received IP identification ID and the recorded IP identification ID do not match, the process ends. In step S85,
When it is determined that the received IP identification ID and the recorded IP identification ID match, the process proceeds to step S86, and the comparison circuit 479 determines whether or not the remaining usable number of times is 0 or more. In step S86, the remaining usable count is 0.
If it is determined that the above is the case, the process proceeds to step S87,
The comparison circuit 479 stores the data identification ID supplied from the data decoder 73.

Then, the process proceeds to step S 88, and the provided data supplied from the data decoder 73 by the data storage controller 374 is recorded on the recording medium 114.
Is recorded in the RAM area, and the process proceeds to step S89. In step S89, the comparison circuit 479 determines whether the data identification ID stored in step S87 and the data identification ID currently output from the data decoder 73 match.
It is judged by. When it is determined in step S89 that the data identification ID stored in step S87 matches the data identification ID currently output from the data decoder 73, step S90 is skipped and the process returns to step S84. Further, in step S89, the data identification ID stored in step S87,
If it is determined that the data identification ID currently output from the data decoder 73 does not match, step S90
Then, the remaining usable number is decremented by 1, the value is recorded in the recording medium 114, and the process returns to step S84.

On the other hand, in step S86, when it is determined that the remaining usable number of times is not 0 or more, that is, when the provision data provided by the information provider A is received only 10 times, the process ends.

The recording medium 114 whose remaining usable count is no longer than 0 cannot be used for recording the provided data provided for a fee, but should be used for recording the provided data provided for a fee. You can That is, the information provider adds the IP identification ID assigned to itself to the provided data provided for a fee and transmits it to the broadcasting station, and the receiving device 412 adds the IP identification ID. The provided data is recorded only on the recording medium 114 in which the same ID as the IP identification ID is recorded. Therefore, in this case, the recording medium 114 needs to record the IP identification ID and the remaining usable count of 0 or more.

[0187] On the other hand, the information provider transmits the provided data provided free of charge to the broadcasting station without adding the IP identification ID.
The provided data to which the IP identification ID is not added is unconditionally recorded on the recording medium 114. Therefore, in this case, the recording medium 114 does not need to record the IP identification ID and the remaining usable count. Therefore,
Even if the remaining usable number of times is not 0 or more in the recording medium 114, the provided data provided for free is
Recorded unconditionally.

In the above embodiment of the broadcasting system, the provided data is transmitted by being superimposed on the terrestrial television broadcast signal. However, the provided data may be provided in addition to this, for example, satellite or CATV network. , And can be transmitted by being superimposed on a television broadcast signal or the like using another network, or can be transmitted by itself.

[0189]

According to the recording medium of the first aspect, a read-only area in which only information can be read and a read / write area in which both information can be written and read are provided, and the read-only area is provided. Since permission information for permitting a predetermined process is recorded in, it is possible to prevent the permission information from being deleted.

According to the data receiving apparatus of the fourth aspect and the data receiving method of the fifth aspect, the data and the predetermined key are received, and the predetermined key and the permission recorded in the read-only area. It is determined whether the information matches. Then, the data is recorded in the read / write area only when the predetermined key and the permission information match. Therefore, it is possible to prevent the data from being illegally recorded.

According to the data reproducing device of the sixth aspect and the data reproducing method of the eighth aspect, when a predetermined key is input, the predetermined key and the permission recorded in the read-only area are recorded. It is determined whether the information matches, and only when the predetermined key and the permission information match,
The data recorded in the read / write area is read.
Therefore, it is possible to prevent unauthorized reading of data.

According to the recording medium of the ninth aspect, a read-only area in which only information can be read and a read / write area in which both information can be written and read are provided, and the read-only area is in the read-only area. Since the password is recorded, it can be used as a credit card, for example.

According to the information processing apparatus of claim 10 and the information processing method of claim 11, when a predetermined password is input, a read-only area in which information can only be read and information can be written and read. Only when the password is read from the recording medium that has a read / write area that allows both reading and the password is recorded in the read-only area, and the password matches the input predetermined password, Predetermined information processing is performed. Therefore, for example, a person who illegally obtains the recording medium can be prevented from using it.

According to the recording medium of the twelfth aspect, a read-only area capable of reading only information and a read / write area capable of both writing and reading information are provided, and the read-only area is provided. Since the number of times data can be recorded is recorded in the read / write area, it can be used as a prepaid card, for example.

According to the data receiving apparatus of the thirteenth aspect and the data receiving method of the fourteenth aspect, the number of times recorded in the read-only area is read, and the reception is performed according to the read number. The written data is recorded in the read / write area. Therefore, for example, it becomes possible to record the data as many times as it is recorded in the read-only area.

[Brief description of drawings]

FIG. 1 is a diagram showing the configuration of a first embodiment of a broadcasting system to which the present invention is applied.

FIG. 2 is a diagram for explaining the configuration of a recording medium 14.

3 is a block diagram showing a configuration example of a reception device 12 of FIG.

FIG. 4 is a flowchart for explaining the operation of the reception device 12 of FIG.

FIG. 5 is a diagram showing a configuration of a second embodiment of a broadcasting system to which the present invention has been applied.

6 is a block diagram showing a configuration example of a reception device 112 in FIG.

FIG. 7 is a flowchart for explaining the operation of the receiving device 112 of FIG.

FIG. 8 is a diagram showing a configuration of a third embodiment of a broadcasting system to which the present invention has been applied.

9 is a block diagram showing a configuration example of a reception device 212 of FIG.

10 is a flowchart for explaining the operation of the reception device 212 of FIG.

FIG. 11 is a diagram showing a configuration of a fourth embodiment of a broadcasting system to which the present invention has been applied.

12 is a block diagram showing a configuration example of a reception device 312 of FIG.

FIG. 13 is a flowchart for explaining the operation of the reception device 312 of FIG.

FIG. 14 is a diagram showing the configuration of an embodiment of a personal computer (personal computer) communication system to which the present invention is applied.

15 is a block diagram showing a configuration example of a terminal 32 of FIG.

16 is a flowchart for explaining the operation of the terminal 32 of FIG.

FIG. 17 is a diagram showing the configuration of a fifth exemplary embodiment of a broadcasting system to which the present invention has been applied.

FIG. 18 is a diagram for explaining the configuration of a recording medium 114.

19 is a block diagram showing a configuration example of a reception device 412 of FIG.

20 is a flowchart for explaining the operation of the reception device 412 of FIG.

[Explanation of symbols]

 1 Mixer 2 Modulator 3 Transmitter 4,11 Antenna 12 Receiver 13 Monitor 14 Recording Medium 71 Television Tuner 73 Data Decoder 74 Data Storage Controller 78 Control Circuit 79 Comparison Circuit

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display location G11B 20/12 9295-5D G11B 20/12 H04N 7/08 H04N 7/08 Z 7/081 7 / 167 Z 7/167 (72) Inventor Chisato Kisanuki 6-735 Kitashinagawa, Shinagawa-ku, Tokyo Sony Corporation

Claims (14)

[Claims] 1. A recording medium having a read-only area in which only information can be read and a read / write area in which both information can be written and read, and a predetermined process is permitted in the read-only area. A recording medium on which permission information for recording is recorded. 2. The permission information is stored in the read / write area,
The recording medium according to claim 1, wherein the recording medium is a key for permitting writing of data. 3. The recording medium according to claim 1, wherein the permission information is a key for permitting reading of data recorded in the read / write area. 4. A data receiving apparatus for receiving transmitted data and recording it on a recording medium, wherein the recording medium has a read-only area in which only information can be read and both writing and reading of information are performed. The read-only area has permission information for permitting a predetermined process to be recorded, and when the data is transmitted together with a predetermined key, the data and the predetermined area Receiving means for receiving the key, recording control means for recording the data received by the receiving means in the read / write area, the predetermined key received by the receiving means, and recording in the read-only area And a determination unit that determines whether or not the permission information is matched with the permission information. Only when the key, and the said permission information is judged to match, the data receiving apparatus, characterized in that the data received by the receiving means, is recorded in the read-write area. 5. A data receiving method of a data receiving device for receiving transmitted data and recording it on a recording medium, wherein the recording medium has a read-only area in which information can only be read, and information can be written and read. There is a read / write area capable of both reading, and in the read-only area, permission information for permitting predetermined processing is recorded, and when the data is transmitted together with a predetermined key, The data and the predetermined key are received, it is determined whether or not the predetermined key and the permission information recorded in the read-only area match, and the predetermined key and the permission information match. The data receiving method, wherein the data is recorded in the read / write area only when 6. A data reproducing apparatus for reproducing data recorded on a recording medium, wherein the recording medium has a read-only area in which only information can be read and a read / write area in which both information can be written and read. Read control for reading the data recorded in the read / write area when permission information for permitting a predetermined process or the data is recorded in the read-only area or the read / write area, respectively. Means, input means for inputting a predetermined key, and judgment means for judging whether or not the predetermined key input by the input means and the permission information recorded in the read-only area match. The read control means is determined by the determining means to match the predetermined key with the permission information. A data reproducing apparatus characterized in that the data recorded in the read / write area is read out only when. 7. The apparatus further comprises key receiving means for receiving the predetermined key when the predetermined key is transmitted, wherein the input means inputs the predetermined key received by the key receiving means. The data reproducing apparatus according to claim 6, wherein 8. A data reproducing method of a data reproducing apparatus for reproducing data recorded on a recording medium, wherein the recording medium has a read-only area in which only information can be read and both writing and reading of information. A read-only area or a read-write area, where permission information for permitting predetermined processing or the data is recorded in the read-only area or the read-write area, respectively, when a predetermined key is input, It is determined whether or not a predetermined key matches the permission information recorded in the read-only area. Only when the predetermined key and the permission information match, it is recorded in the read / write area. A method for reproducing data, characterized in that the existing data is read. 9. A recording medium having a read-only area capable of reading only information and a read / write area capable of both writing and reading information, wherein a password is recorded in the read-only area. A recording medium characterized by the above. 10. A processing means for performing predetermined information processing, a reading means for reading information recorded on a recording medium, and an input means for inputting a predetermined password, wherein the recording medium only reads information. When a password is recorded in the read-only area, the read means records the read-only area in the read-only area. The read password is read, and the processing means performs predetermined information processing only when the predetermined password input by the input means and the password read by the read means match. An information processing device characterized by: 11. When a predetermined password is input, a read-only area in which only information can be read and a read / write area in which information can be both written and read are provided, and the password is recorded in the read-only area. An information processing method, characterized in that the password is read from a stored recording medium, and predetermined information processing is performed only when the input predetermined password and the read password match. 12. A recording medium having a read-only area capable of reading only information and a read / write area capable of both writing and reading of information, wherein the read-only area stores data in the read / write area. A recording medium characterized in that the number of times it can be recorded is recorded. 13. A data receiving device for receiving transmitted data and recording it on a recording medium, wherein the recording medium has a read-only area in which information can only be read and both writing and reading of information. A read / write area, and when the number of times the data can be recorded in the read / write area is recorded in the read-only area, a receiving unit that receives the data, and a receiving unit that receives the data Recording control means for recording the recorded data in the read / write area and reading means for reading the number of times recorded in the read-only area, wherein the recording control means is read by the reading means. A data receiving apparatus, wherein the data is recorded in the read / write area according to the number of times. 14. A data receiving method of a data receiving device for receiving transmitted data and recording the same on a recording medium, wherein the recording medium has a read-only area in which information can only be read and information can be written and read. And a read / write area capable of both reading, and when the number of times that the data can be recorded in the read / write area is recorded in the read-only area, the data is recorded in the read-only area. A method for receiving data, comprising reading the number of times and recording the received data in the read / write area according to the number of times read.