JP3487790B2 - CATV audience rating survey data collection system - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a CATV audience rating survey data collection system, and in particular, it collects viewing channel data at a predetermined specific time on the home terminal side of the CATV system and stores it in a memory for a predetermined period. The present invention relates to a CATV audience rating survey data collection system that collects memory and collects audience channel data as audience rating survey data when storage of viewing channel data has been obtained.

[0002]

2. Description of the Related Art A conventional CATV viewership survey data collection system has a bidirectional data communication function, as disclosed in Japanese Patent Laid-Open No. 4-57588.
Video signals and control signals are distributed from the system center to the transmission line, and the current time, the survey time at which the viewing channel at that time is stored, the data collection start time, and the data collection end time are notified to the home terminal in advance by the control signal. , The home terminal receives the video signal and the control signal from the transmission path, adjusts the time to the current time, stores the viewing channel at each designated survey time, and collects the data at the start time and end time In addition, by arranging the stored viewing channel data to be sent to the center, the center can arbitrarily collect the viewing channel data stored in the home terminal from the home terminal.

[0003]

The above-mentioned conventional CAT
In the V audience rating survey data collection system, for notification of the current time and the survey time for storing the viewing channel, etc., which is performed by sending a control signal from the center to the home terminal, or for collecting the viewing channel data from the home terminal. Since the control from the center to the home terminal is performed by polling, a remote monitoring control device using a polling method is required, and the cost for installing the remote monitoring control device is increased when installing the CATV audience rating survey data collection system. It had the drawback of taking up.

An object of the present invention is to provide a CATV audience rating survey data collection system which does not require installation of a remote monitoring control device and is inexpensive.

[0005]

[0006]

[0007]

[0008]

[0009]

According to a first aspect of the present invention, there is provided a CATV audience rating survey data collection system comprising: (A) a viewing channel selected by a channel selecting operation from among television channels sent from a CATV center to a home terminal. It has a first storage area for storing viewing channel data collection date and time designation information, which is information for designating the date and time for collecting data, and a second storage area for storing viewing channel data. A memory card for storing the collected viewing channel data; (B) a home terminal for selecting the viewing channel, which can be set so that the memory card can be easily accommodated and read / written. The remote control signal from the remote control device that was pointed at was intercepted and detected from the remote control signal. A user side audience rating survey data collection device that stores listening channel data in a second storage area of the memory card based on the viewing channel data collection date / time designation information read from the first storage area of the memory card, (C) The memory card can be set so that it can be easily inserted and removed and the data can be read and written, and the user-side audience rating survey data collection device stores the viewing channel data in the first memory card. Center-side audience rating survey data collection device that reads out the audience channel data from the storage area 2 and outputs the data as data for generating audience rating survey data. ) It is attached to the tip of the connection cable and receives the remote control signal from the remote controller. A remote control signal receiving means for outputting to the connection cable; (E) a remote control signal receiving means which can be set so that the memory card can be easily inserted and removed to read and write data. A viewing channel data collection processing device that detects the viewing channel data from an operation signal, collects the viewing channel data based on the viewing channel data collection date / time designation information, and stores the viewing channel data in the memory card. A processing device, (F) a viewing channel data detection means for detecting and outputting the viewing channel data from the remote operation signal received by the remote operation signal receiving means, and (G) a time data output means for outputting time data. (H) A memory for storing the time data and the viewing channel data in association with each other. (I) The viewing channel data collection date / time designation information stored in the first storage area of the memory card is read, and the time data and the viewing channel data stored in the storage means are read from the memory card. Of the second
Card reading / writing means for storing in the memory area of (J) storing the viewing channel data collection date / time designation information and referring to the time indicated by the time data output from the time data output means, At a designated time for collecting the viewing channel data designated by the channel data collection date and time designation information, the viewing channel data detected and output by the viewing channel data detecting means is stored in the storage means in association with the time data. When the viewing channel data collection period ends after a certain period of time designated by the viewing channel data collection date and time designation information has elapsed, the time designated by the viewing channel data collection date and time designation information stored in the storage means. Reading the data consisting of the viewing channel data for each and the time data of collecting the viewing channel data, The center side audience rating survey data collection device further comprises: control means for adding the ID number given to the user to the data and storing the data in the memory card through the card reading / writing means. Before setting the memory card in the user side audience rating survey data collection device to collect the viewing channel data, the viewing channel data to be stored in advance in the collection date / time designation information storage area of the memory card Viewing channel data collection date and time setting means for setting collection date and time designation information, (L) Writing the viewing channel data collection date and time designation information set by the viewing channel data collection date and time setting means to the memory card, and the user side audience rating The memory card set in the survey data collection device and storing the viewing channel data is the memory card. Card reading / writing means for reading the viewing channel data stored in the memory card, when set in the data collection device for audience rating survey data on the computer side, (M) set in the data collection device for audience rating survey data on the center side Viewing channel data storage means for storing the viewing channel data read out from the memory card.

The CATV audience rating survey data collection system according to the second aspect of the present invention is configured to include audience rating calculating means for computing the audience rating by computing the viewing channel data stored in the viewing channel data storage means. It

A third aspect of the invention is a CATV audience rating survey data collection system, wherein the CATV audience rating survey data collection system according to the first or second aspect of the invention uses the memory card loaded into the CATV center to store the data. When reading the audio-visual channel data, it is configured to check whether the audio-visual channel data is being collected in a predetermined manner based on predetermined instruction information indicating the method of collecting the audio-visual channel data.

The CATV audience rating survey data collection system of the fourth invention is the CATV audience rating survey data collection system of the third invention.
It is configured to exclude the viewing channel data stored in the memory card in which the viewing channel data has not been collected in a predetermined manner.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of a CATV audience rating survey data collection system of the present invention.

Referring to FIG. 1, C of the CATV center 1
A plurality of channels of a TV program are transmitted from the ATV center device 3, and a CATV home terminal device 4 having a TV tuner (not shown) installed in the user 2 is used by the user to operate the TV program by a remote controller. By the selection operation of, the channel that the user wants to watch is selected from the channels of a plurality of television programs and is received by the television receiver 9 connected to the CATV home terminal device 4.

The CATV audience rating survey data collection system of the present embodiment shown in FIG. 1 stores the collection date / time designation information storing the viewing channel data collection date / time designation information, which is information designating the date / time to collect the viewing channel data. It has an area (not shown) and a viewing channel data storage area (not shown) for storing viewing channel data, and the user selects a channel by operating the remote controller 8 to select a CATV.
A memory card 5 for storing viewing channel data collected when a television program is viewed on the television receiver 9 from the center device 3, and the memory card 5 is set so that the memory card 5 can be easily accommodated and read / written. It is possible to collect the viewing channel data by reading the viewing channel data received from the remote operation signal contained in the infrared ray 41 from the remote controller 8 and detected from the remote operation signal from the collection date / time designation information storage area of the memory card 5. The user side audience rating survey data collection device 7 which collects the viewing channel data at the designated time based on the date and time designation information and stores it together with the time data in the viewing channel data storage area of the memory card 5 and the memory card 5 are easily accommodated. Can be set so that data can be read and written. The center side which reads out the viewing channel data from the viewing channel data storage area of the memory card 5 in which the viewing channel data is stored by the viewing rate data collection device 7 and is collected from the user, and is output as data for generating the viewing rate research data. It is composed of an audience rating survey data collection device 6.

Further, referring to FIG. 2, the user side audience rating survey data collection device 7 is attached to the tip of the connection cable 28 and installed near the CATV home terminal device 4 to remotely control the CATV home terminal device 4. Set so that the remote operation signal receiving section 24 that intercepts the remote operation signal contained in the infrared ray 41 from the remote operation device 8 and outputs it to the connection cable 28 and the memory card 5 can be easily attached and detached to read and write data. Viewing channel data for detecting viewing channel data from the remote operation signal received by the remote operation signal receiving section 24, collecting viewing channel data based on the viewing channel data collection date / time designation information, and storing the viewing channel data in the memory card 5. It is composed of a collection processing device 20.

Further, the viewing channel data collection processing device 20 detects the viewing channel data from the remote operation signal received by the remote operation signal receiving section 24 and outputs the viewing channel data detecting section 25, and the time when the time data is output. A data output unit 26, a storage unit 23 for temporarily storing the time data 43 and the viewing channel data 42 in association with each other,
The viewing channel data collection date / time designation information stored in the collection date / time designation information storage area of the memory card 5 is read out, and the time data 43 stored in the storage unit 23 is read.
And the viewing channel data 42 in the viewing channel data storage area of the memory card 5, and the card reading / writing unit 21 when the memory card 5 is accommodated in the user side audience rating survey data collecting device 7. Through the writing unit 21, the viewing channel data collection date / time designation information stored in the collection date / time designation information storage area of the memory card 5 is read out, and the device itself stores the viewing channel data collection date / time designation information storage memory (not shown). Stored in
With reference to the time indicated by the time data output from the time data output unit 26, the designated time for collecting the viewing channel data designated in the viewing channel data collection date designation information stored in the viewing channel data collection date designation information storage memory Then, the viewing channel data detected and output by the viewing channel data detection unit 25 is collected, and the viewing channel data 42 is stored in the storage unit 23 together with the time data 43 indicating the collected time. When it is time to transfer the viewing channel data 42 from the storage unit 23 to the memory card 5, which is designated by the channel data collection date / time designation information, the time data 43 and the viewing channel data 42 stored in the storage unit 23 are displayed. A control unit 22 for reading and storing in the memory card 5 via the card reading / writing unit 21, and a memo. A control input operation for reading the viewing channel data collection date / time designation information stored from the card 5, and an operation display unit 29 for displaying the operating state of the user-side audience rating survey data collection device 7, and the CATV home when the power is turned on. The terminal device 4 includes a power supply unit 27 that supplies a power supply 44.

Further, referring to FIG. 3, the center-side audience rating survey data collecting device 6 preliminarily stores the memory card 5 in the user-side audience rating survey data collecting device 7 in order to collect the viewing channel data. The viewing channel data collection date and time setting unit 11 that sets viewing channel data collection date and time designation information to be stored in the collection date and time designation information storage area of the memory card 5, and the above-mentioned setting by the viewing channel data collection date and time setting unit 11 Write the viewing channel data collection date / time designation information to the memory card 5, and
The memory card 5 in which the user-side audience rating survey data collection device 7 stores the viewing channel data and is collected at the center
Card reading / writing unit 13 for reading viewing channel data from and viewing channel data read from memory card 5 housed in center side audience rating survey data collection device 6 and set so that reading and writing of data are stored. Viewing channel data storage unit 15, viewing rate calculation unit 14 that calculates viewing rate by calculating viewing channel data stored in viewing channel data storage unit 15, and viewing set by viewing channel data collection date and time setting unit 11. Control of the viewing channel data collection date / time setting unit 11 and the card reading / writing unit 13 for writing the channel data collection date / time designation information to the memory card 5 and reading the viewing channel data from the memory card 5, and a memory The viewing channel data read from the card 5 is used as the viewing channel data. Control of the viewing channel data storage unit 15 for storage in the storage unit 15, and viewing channel data storage unit 15 for calculating an audience rating from the viewing channel data stored in the viewing channel data storage unit 15 and Control unit 1 for controlling audience rating calculation unit 14
2, setting of viewing channel data collection date / time designation information, control input operation such as reading of viewing channel data stored from the memory card 5, and display of the operating state of the center side audience rating survey data collection device 6. It is composed of an operation display unit 19 for displaying the control state.

Next, the operation will be described.

First, before the memory card 5 accommodated in the user side audience rating survey data collecting device 7 for collecting the audience channel data is accommodated in the memory card 5 before being accommodated in the user side audience rating survey data collecting device 7. An operation of storing information that needs to be stored in advance in the center side audience rating survey data collection device 6 will be described.

In order to collect the viewing channel data, which is the data necessary for investigating the CATV audience rating, in each home terminal and store it in the memory card 5, the user side audience rating survey data collecting device 7 is used. Information that specifies the date and time for collecting viewing channel data before accommodating in, that is, information indicating how to check when the number of the TV channel selected as the viewing channel is checked. It is necessary to store the channel data collection date / time designation information in the memory card 5.

In order to store the viewing channel data collection date and time designation information in the memory card 5, first, in FIG. 3, the viewing channel data collection date and time designation information is displayed from the operation display unit 19 of the center side audience rating survey data collection device 6. Perform control input operation for setting. The control unit 12 is notified of the control input on the operation display unit 19. The control unit 12 activates the viewing channel data collection date and time setting unit 11, and the viewing channel data collection date and time setting unit 11 operates on the basis of the data for viewing channel data collection date and time setting input from the operation display unit 19. Set viewing channel data collection date / time designation information. At this time, the viewing channel data collection date / time setting unit 11 instructs the operation display unit 19 on a data input method for setting the viewing channel data collection date / time designation information.

The viewing channel data collection date / time designation information set by the viewing channel data collection date / time setting unit 11 is sent to the control unit 12 as the viewing channel data collection date / time designation information signal 31.
The control unit 12 stores the viewing channel data collection date and time designation information sent as the viewing channel data collection date and time designation information signal 31 in its own built-in viewing channel data collection date and time designation information storage memory (not shown). )
The card reading / writing unit 13 controls the card reading / writing unit 13 so that the card reading / writing unit 13 stores the viewing channel data collection date / time designation information in the memory card 5. Then, the card reading / writing unit 13 outputs the viewing channel data collection date / time designation information to the memory card 5.
It is stored in the collection date / time designation information storage area (not shown).

Next, in the above operation, after the memory card 5 storing the viewing channel data collection date / time designation information is accommodated in the user side audience rating survey data collecting device 7 for collecting the viewing channel data, the viewing is performed. The operation until the channel data is stored in the memory card 5 will be described.

In FIG. 2, the memory card 5 in which the viewing channel data collection date / time designation information is stored is accommodated in the user side audience rating survey data collection device 7 in FIG. 2 and set so that the data can be read / written. Operation display unit 2
In 9, the control input operation for reading the viewing channel data collection date / time designation information stored in the memory card 5 from the memory card 5 is performed. Receiving the notification from the operation display unit 29 that the control input for reading the viewing channel data collection date / time designation information has been performed, the control unit 22 controls the card reading / writing unit 21 to read the viewing channel from the memory card 5. The data collection date / time designation information is read out, and this viewing channel data collection date / time designation information is stored in the viewing channel data collection date / time designation information storage memory (not shown) built therein. In this state, the user-side audience rating survey data collection device 7 is in an operation state in which it is possible to collect viewing channel data.

An infrared ray 41 including a remote control signal for remotely controlling the channel selection by the tuner built in the CATV home terminal device 4 from the remote controller 8 toward the CATV home terminal device 4 shown in FIG.
Is emitted, the remote control signal receiving unit 24 installed in the vicinity of the CATV home terminal device 4 intercepts the infrared ray 41 and outputs a remote control signal for remotely controlling the channel selection included in the infrared ray 41. Connection cable 28 that converts the channel selection into a voltage signal for remote control
Is output to the viewing channel data detection unit 25 via. The viewing channel data detection unit 25 detects viewing channel data from a voltage signal for remotely controlling channel selection.

On the other hand, the control unit 22 controls the time data output unit 2
When the time specified by the viewing channel data collection date / time designation information stored in the viewing channel data collection date / time designation information storage memory (not shown) included in itself is referred to by referring to the time data output from 6 The time data 4 output from the time data output unit 26 by taking in the viewing channel data detected by the data detection unit 25.
3 is output to the storage unit 23, and these data are written in the memory of the storage unit 23.

As described above, the control unit 22 outputs the collected viewing channel data and the time data when the viewing channel data is collected to the storage unit 23 at each time designated by the viewing channel data collection date / time designation information. In the storage unit 23, the viewing channel data output from the control unit 22 and the time data when the viewing channel data is collected are sequentially stored in the memory according to the lapse of the investigation time.

Further, when the viewing channel data collection period ends after the lapse of a certain time designated by the viewing channel data collection date / time designation information, the control unit 22 stores the viewing channel data collection date / time stored in the storage unit 23. A card reading / writing unit that reads data consisting of viewing channel data for each time designated in the designation information and time data when the viewing channel data is collected, and adds the ID number given to the user to the read data. 21 is output. Under the control of the control unit 22, the card reading / writing unit 21 stores the data output from the control unit 22 in the viewing channel data storage area of the memory card 5.

The memory card 5 storing the viewing channel data is collected at the center, housed in the center side audience rating survey data collecting device 6, and stored from the memory card 5 in the center side audience rating survey data collecting device 6. Viewing channel data is read.

Next, the operation of the above center side audience rating survey data collection device 6 for reading the viewing channel data from the memory card 5 will be described.

In FIG. 3, the memory card 5 that is stored in the user-side audience rating survey data collection device 7 and is collected after the viewing channel data is stored in the user-side audience rating survey data collection device 6 is stored in the data collection device 6. When the control display unit 19 is set to read and write, and a control input for instructing the reading of the viewing channel data from the memory card 5 is performed on the operation display unit 19, the operation display unit 19 indicates that the control input has been received. Notify 12 Control unit 1
2 controls the card reading / writing unit 13 so that the card reading / writing unit 13 reads the viewing channel data stored in the memory card 5. Card reading / writing unit 13
Reads the data including the ID number given to the user and the viewing channel data and the collection time data of the viewing channel data. These data read by the card reading / writing unit 13 are sent to the control unit 12, and when the control unit 12 receives these data, the control unit 12 internally stores them.
By referring to the viewing channel data collection date / time designation information stored in the viewing channel data collection date / time designation information storage memory (not shown), the above viewing channel data read from the memory card 5 is designated as the viewing channel data collection date / time designation. Check whether it is collected at the time indicated by the information.

As a result of the above checking operation, if the viewing channel data is collected at the time indicated by the viewing channel data collection date / time designation information, a comment sentence notifying that is output to the operation display unit 19 and operated. I displayed on the display unit 19 and read from the memory card 5
Data including the D number and the viewing channel data and the collection time data of the viewing channel data is stored in the viewing channel data storage unit 15 as the listening ratio survey data.

Further, as a result of the above checking operation, when the viewing channel data is not collected at the time indicated by the viewing channel data collection date / time designation information, a comment statement to that effect is output to the operation display unit 19. Then, the viewing channel data storage unit 1 of the viewing channel data displayed on the operation display unit 19 and read from the memory card 5 accommodated in the center side audience rating survey data collection device 6 at this time is displayed.
The operation is ended without performing the storing operation in 5.

As described above, the viewing channel data and the time data at which the viewing channel data is collected are read out together with the ID number from the memory card 5 in which the viewing channel data collected from each user is stored. The data is stored in the storage unit 15.

When the above reading operation is completed from the memory cards 5 collected from all the users, the operation display section 19 calculates the audience rating by using the viewing channel data stored in the viewing channel data storage section 15. When a control input operation instructing to do so is performed, the operation display unit 19 notifies the control unit 12 that this control input has been made. The control unit 12 controls the audience rating calculation unit 14 so that the audience rating calculation unit 14 reads the audience channel data stored in the audience channel data storage unit 15 and calculates the audience rating using the read audience channel data. To do. Control unit 12
Under the control of, the audience rating calculation unit 14 calculates the audience rating using the audience rating survey data read from the viewing channel data storage unit 15 and outputs the computation result to the control unit 12, and the control unit 12 The calculation result is displayed on the operation display unit 19.

As described above, the center side audience rating survey data collection device 6 stores the viewing channel data collection date / time designation information in the memory card 5 in advance, and the user side audience rating survey data collection device 7 stores it. It has been described that the data is read from the memory card 5 and the viewing channel data is collected based on the read viewing channel data collection date / time designation information. The contents of the viewing channel data collection date / time designation information stored in the card 5 can be changed as needed, and the viewing channel data collection is performed by accommodating and setting the memory card 5 in the user side audience rating survey data collection device 7. You can change the method. However, if it is not necessary to change the content of the viewing channel data collection date / time designation information, the viewing channel data collection date / time designation information is stored in advance in the user-side audience rating survey data collection device 7, and this viewing channel data collection is performed. The viewing channel data may be collected based on the date / time designation information.

[0039]

As described above, the CATV of the present invention.
The audience rating survey data collection system is a predetermined method that shows the method of collecting the viewing channel data, which is the viewing channel data indicating the TV channel of the viewing target selected at the home terminal from the TV channels transmitted from the CATV center. The remote monitoring control device is configured so that it is collected based on the instruction information and stored in a predetermined memory card, and when the memory card is collected at the CATV center, the viewing channel data is read from the memory card as the audience rating survey data. It has the effect that it does not require installation and does not cost much.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a CATV audience rating survey data collection system of the present invention.

FIG. 2 is a block diagram showing a user-side audience rating survey data collection device of FIG.

FIG. 3 is a block diagram showing the audience rating survey data collection device on the center side of FIG. 1.

[Explanation of symbols]

1 CATV Center 2 users 3 CATV center equipment 4 CATV home terminal equipment 5 memory cards 6 Center side audience rating survey data collection device 7 User side audience rating survey data collection device 8 Remote control 9 TV receiver 11 Viewing channel data collection date and time setting section 12 Control unit 13 Card reading / writing section 14 Audience rating calculator 15 Viewing channel data storage 19 Operation display section 20 Viewing channel data collection processing device 21 Card reader / writer 22 Control unit 23 Memory 24 Remote control signal receiver 25 Viewing channel data detector 26 Time data output section 27 power supply 28 Connection cable 29 Operation display 31 Viewing channel data collection date / time designation information signal 41 infrared 42 Viewing channel data 43 time data 44 power supply

Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) H04N 17/00 H04H 9/00

Claims (4)

(57) [Claims] 1. (A) Designation of viewing channel data collection date and time, which is information for designating the date and time for collecting the viewing channel data selected by the channel selection operation from the TV channels transmitted from the CATV center to the home terminal. A memory card having a first storage area for storing information and a second storage area for storing viewing channel data, and storing the viewing channel data collected at the time of selecting the channel; (B) the memory The card can be set in such a way that it can be easily attached and detached so that data can be read and written, and a remote control signal from a remote controller directed to a home terminal for selecting the viewing channel is intercepted and the remote control is performed. The viewing channel data detected from the operation signal is read from the first storage area of the memory card. A user side audience rating survey data collection device for storing in the second storage area of the memory card based on the viewing channel data collection date / time designation information, (C) reading / writing data by accommodating the memory card easily Can be set so that the viewing channel data is read from the second storage area of the memory card in which the viewing channel data is stored by the user side viewing rate survey data collection device to obtain the viewing channel survey data. A center side audience rating survey data collecting device for outputting as data for generation, wherein the user side audience rating survey data collecting device is attached to a tip of a connection cable (D), and is remote from the remote controller. Remote operation signal receiving means for receiving an operation signal and outputting it to the connection cable, (E) the memory The card can be set so that it can be easily inserted and removed and the data can be read and written, the viewing channel data is detected from the remote operation signal received by the remote operation signal receiving means, and the viewing channel data collection date and time is designated. A viewing channel data collection processing device that collects the viewing channel data based on information and stores the viewing channel data in the memory card, wherein the viewing channel data collection processing device comprises: (F) the remote received by the remote control signal receiving means. Viewing channel data detecting means for detecting and outputting the viewing channel data from the operation signal, (G) time data outputting means for outputting time data, and (H) storing the time data and the viewing channel data in association with each other. Storage means for: (I) viewing channel stored in the first storage area of the memory card The channel data collection date / time designation information is read out, and the time data and the viewing channel data stored in the storage means are stored in the second memory card.
Card reading / writing means for storing in the memory area of (J) storing the viewing channel data collection date / time designation information and referring to the time indicated by the time data output from the time data output means, At a designated time for collecting the viewing channel data designated by the channel data collection date and time designation information, the viewing channel data detected and output by the viewing channel data detecting means is stored in the storage means in association with the time data. When the viewing channel data collection period ends after a certain period of time designated by the viewing channel data collection date and time designation information has elapsed, the time designated by the viewing channel data collection date and time designation information stored in the storage means. Reading the data consisting of the viewing channel data for each and the time data of collecting the viewing channel data, The center side audience rating survey data collection device comprises: (K) a control unit that adds an ID number given to the user to the data and stores the data in the memory card via the card reading / writing unit. Before setting the memory card in the user side audience rating survey data collection device to collect the viewing channel data, the viewing channel data to be stored in advance in the collection date / time designation information storage area of the memory card Viewing channel data collection date and time setting means for setting collection date and time designation information, (L) Writing the viewing channel data collection date and time designation information set by the viewing channel data collection date and time setting means to the memory card, and the user side audience rating The memory card set in the survey data collection device and storing the viewing channel data is the memory card. Card reading / writing means for reading the viewing channel data stored in the memory card, when set in the data collection device for audience rating survey data on the computer side, (M) set in the data collection device for audience rating survey data on the center side Viewing channel data storage means for storing viewing channel data read from the stored memory card, and a CATV rating survey data collection system. 2. The CATV audience rating survey data collection system according to claim 1 , further comprising audience rating calculating means for computing the audience rating by calculating the audience channel data stored in the viewing channel data storage means. Characteristic C
ATV audience rating survey data collection system. 3. The CATV according to claim 1 or 2.
In the audience rating survey data collection system, the above-mentioned CATV
When reading the viewing channel data from the memory card carried into the center, it is checked whether or not the viewing channel data is being collected according to a predetermined instruction information indicating a method of collecting the viewing channel data. A CATV viewership survey data collection system characterized by performing. 4. The CATV viewership survey data collection system according to claim 3 , wherein, as a result of the check, viewing channel data stored in a memory card in which viewing channel data has not been collected as specified is excluded. Characteristic CATV viewership survey data collection system.