JP2001359079A - Information reproduction system, information reproducing device and information providing device used for the system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information reproduction system that reproduces video recording information corresponding to a reproduced date and time. SOLUTION: A video recording and reproducing device 100 includes a video recording section 110 that records program information and advertisement information received from a broadcast unit 200, a program information storage section 112 that stores a position of the advertisement information in the program information and a date and time when the advertisement information is recorded in the case of recording by the video recording section 110, a substitute information storage section 114 that requests the broadcast unit 200 to transmit substitute information when a prescribed period of a reproduction date and time elapses from the date and time of recording the advertisement information and stores the substitute information sent from the broadcast unit 200 in response to the request, and a reproduction output section 108 that replaces the advertisement information stored in the video recording section 110 with the substitute information stored in the substitute information storage section 114 and reproduces the program information and the advertisement information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for reproducing recorded information, and more particularly, to a technique for reproducing information in accordance with the date and time of reproduction.

[0002]

2. Description of the Related Art When program information including a commercial received from a broadcasting station is recorded and reproduced at a later date, the commercial received and recorded from the broadcasting station is reproduced as it is. Commercials included in the received program information can be used to advertise products and the like only after being viewed by viewers, but commercials that are not of interest to viewers are rarely actively viewed, Even fast-forward.

[0003] In view of the above, it has been made possible for a viewer to select a commercial from a plurality of candidates on the basis of the viewer's own preference, thereby enabling more effective viewing of the commercial. There is a commercial selective reproduction method disclosed in Japanese Unexamined Patent Publication No. Hei 10-79711.

The commercial selection and reproduction method disclosed in this publication is a commercial selection and reproduction method used in a broadcasting system including a broadcasting station and a broadcast receiver for receiving and reproducing program information transmitted from the broadcasting station. There is multiplexed commercial candidate information specifying commercial candidates to be referenced in the program information for each program information,
A transmitting step of transmitting from a broadcasting station to a broadcast receiver, restriction information registered in the broadcast receiver to restrict commercials reproduced by the broadcast receiver, and commercials corresponding to program information selected by the broadcast receiver A selecting step of selecting a commercial to be reproduced from commercials previously stored in the broadcast receiver based on the candidate information, and a reproducing step of reproducing the commercial selected in the selecting step by the broadcast receiver. .

According to the present invention, the commercials are stored in the broadcast receiver in advance, and the broadcast station multiplexes the commercial candidate information for specifying the commercials to be referred in the program information for each program information. Sent.
Commercials inserted into the program information are selected based on commercial candidate information corresponding to the program information being viewed and restriction information registered in advance by a viewer or the like, and some candidates specified in the commercial candidate information are selected. Among them, advertisements of products and the like that match the viewer's preference will be viewed. As a result, it is possible to provide an appropriate commercial that differs for each viewer while maintaining the relationship between the program content and the commercial.

[0006]

However, in the invention disclosed in the above-mentioned publication, commercials can be selected according to the preference of the viewer, but all the commercials of the selection candidates are stored in the broadcast receiver in advance. Therefore, the broadcast receiver requires a large-capacity storage device. In addition, when a commercial according to a preference is selected from commercials stored in advance, the commercial may be old at the time of reproduction, and a product or the like advertised by the commercial may be discontinued.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and is an information reproducing system capable of reproducing information in accordance with the date and time when the recorded information is reproduced. Another object of the present invention is to provide an information reproducing apparatus and an information providing apparatus used in the system.

[0008]

An information reproducing system according to a first aspect of the present invention includes an information reproducing apparatus for reproducing recorded information recorded in advance, and an information providing apparatus connected to the information reproducing apparatus for providing information to the information reproducing apparatus. An information reproducing system including an apparatus, wherein the information reproducing apparatus is connected to an extracting unit for extracting extracted information satisfying a predetermined condition from the recorded information, and is connected to the information providing apparatus and the extracting unit. Requesting means for requesting the information providing apparatus for alternative information for replacing the extracted information extracted by the extracting means, wherein the information providing apparatus comprises: a storage means for storing a plurality of alternative information; A search unit connected to the playback device and the storage unit, for searching for the alternative information requested by the request unit from the plurality of alternative information stored in the storage unit; and an information playback device and the search unit. Connected to the information reproducing apparatus, the information reproducing apparatus further connected to the information providing apparatus, and transmitted by the alternative information transmitting means. A reproducing unit for receiving the substitute information, substituting the extracted information with the received substitute information, and reproducing the recorded information is included.

[0009] According to the first invention, in the information reproducing apparatus, the extracting means extracts extracted information satisfying a predetermined condition from the recorded information. The requesting unit requests the information providing device for substitute information for substituting the extracted information extracted by the extracting unit. In the information providing apparatus, the search unit searches for the alternative information requested by the request unit from the plurality of alternative information stored in the storage unit. The substitute information transmitting means transmits the substitute information searched by the search means to the information reproducing device. In the information reproducing apparatus, the reproducing unit receives the substitute information transmitted by the substitute information transmitting unit, substitutes the extracted information with the received substitute information, and reproduces the recorded information. Accordingly, when the recorded information is reproduced in the information reproducing apparatus, for example, the extracted information is extracted from the information providing apparatus for extracting the extracted information after a certain period of time from being recorded, and replacing the extracted information with the extracted information. The recorded information can be reproduced by substituting the extracted information with new alternative information. As a result, when reproducing the recorded information, it is possible to provide an information reproducing system capable of reproducing the information corresponding to the reproduced date and time.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, the information reproducing apparatus further includes date and time detecting means for detecting a current date and time. The condition is that the elapsed time from the date and time when the record information was recorded to the current date and time is equal to or longer than a certain period.

According to the second invention, when reproducing the recorded information in the information reproducing apparatus, the information which has been passed for a predetermined period since the information was recorded is extracted, and the extracted information is replaced with new alternative information. The recorded information can be reproduced.

According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, the information providing apparatus further includes a transmission unit for transmitting information to the information reproducing apparatus. Further includes recording means connected to the information providing apparatus for receiving and recording the information transmitted by the transmitting means, wherein the recorded information is the information transmitted by the transmitting means, and the extracting means comprises: And means for extracting extracted information satisfying a predetermined condition from the recorded information recorded in the.

According to the third aspect, in the information providing device, the transmitting means transmits the information to the information reproducing device. In the information reproducing apparatus, the recording unit receives and records the information transmitted by the transmission unit. The extracting unit extracts extracted information that satisfies a predetermined condition from the recorded information transmitted by the transmitting unit and recorded in the recording unit. Thus, the information reproducing apparatus can receive and record the information transmitted from the information providing apparatus in advance. When reproducing this information, for example, it is possible to provide an information reproducing system capable of reproducing recorded information by substituting extracted information for which a certain period of time has elapsed from being recorded with substitute information.

According to a fourth aspect of the present invention, in the information reproducing system according to the first or second aspect, the information providing apparatus includes a first information group and a second information group in the information reproducing apparatus. The information reproducing apparatus further includes a transmitting means for transmitting information, the information reproducing apparatus being connected to the information providing apparatus, receiving the information transmitted by the transmitting means, and transmitting the received information to the first information group and the second information group. Recording means for recording separately from the information group, wherein the extracting means extracts extracted information satisfying a predetermined condition from information included in the second information group recorded in the recording means. Means for doing so.

[0015] According to the fourth invention, in the information providing apparatus, the transmitting means transmits the information to the information reproducing apparatus while distinguishing between the first information group and the second information group. In the information reproducing apparatus, the recording unit receives the information transmitted by the transmission unit, and records the received information separately into a first information group and a second information group. The extracting unit extracts extracted information that satisfies a predetermined condition from information included in the second information group transmitted by the transmitting unit and recorded in the recording unit. Thus, in the information reproducing apparatus, for example, the information of the program main body and the advertisement information can be separately received and recorded from the information providing apparatus. When reproducing this information, the recorded information can be reproduced by substituting the new advertising information for the advertising information for which a certain period has elapsed since the recording in the advertising information. As a result, when reproducing the recorded information, it is possible to provide an information reproducing system capable of reproducing the information corresponding to the reproduced date and time.

In the information reproducing system according to a fifth aspect, in addition to the configuration of the fourth aspect, the information included in the second information group is advertising information.

According to the fifth aspect, in the information reproducing apparatus, the information of the program main body and the advertisement information can be separately received and recorded from the information providing apparatus. When reproducing this information, it is possible to provide an information reproducing system capable of reproducing recorded information by substituting new advertising information for advertising information for which a predetermined period has elapsed since being recorded in the advertising information. it can.

An information reproducing apparatus according to a sixth aspect of the present invention comprises: an information reproducing apparatus for reproducing recorded information recorded in advance; and an information providing apparatus connected to the information reproducing apparatus for providing information to the information reproducing apparatus. An information reproducing device used in a system, wherein the information providing device includes an alternative information transmitting unit for transmitting the alternative information to the information reproducing device, and the information reproducing device satisfies a predetermined condition from among the recorded information. Extracting means for extracting satisfactory extracted information; request means connected to the information providing device and the extracting means for requesting the information providing device for alternative information for replacing the extracted information extracted by the extracting means; And a playback device for receiving the replacement information transmitted by the replacement information transmitting unit, replacing the extracted information with the received replacement information, and playing back the recorded information. And a stage.

According to the sixth aspect, the extracting means extracts, from the recorded information, extracted information satisfying a predetermined condition. The requesting unit requests the information providing device for substitute information for substituting the extracted information extracted by the extracting unit. The reproducing unit receives the substitute information transmitted by the substitute information transmitting unit, substitutes the extracted information with the received substitute information, and reproduces the recorded information. As a result, when the recorded information is reproduced in the information reproducing apparatus, extracted information satisfying a certain condition is extracted. The substitute information for substituting the extracted information is received from the information providing device, and the recorded information can be reproduced by substituting the extracted information with new substitute information. As a result, when reproducing recorded information, it is possible to provide an information reproducing apparatus used in an information reproducing system capable of reproducing information in accordance with the reproduced date and time.

According to a seventh aspect of the present invention, in addition to the configuration of the sixth aspect, the information reproducing apparatus further includes a date and time detecting means for detecting a current date and time. The condition is that the elapsed time from the date and time when the record information was recorded to the current date and time is equal to or longer than a certain period.

According to the seventh aspect, when the information reproducing apparatus reproduces the recorded information, the information that has been passed for a predetermined period since the information was recorded is extracted, and the extracted information is received from the information providing apparatus. An information reproducing apparatus used in an information reproducing system that can reproduce recorded information instead of substitute information can be provided.

According to an eighth aspect of the present invention, in addition to the configuration of the sixth or seventh aspect, the information providing apparatus further includes a transmission unit for transmitting information to the information reproducing apparatus.
The information reproducing device is further connected to the information providing device, further includes a recording unit for receiving and recording the information transmitted by the transmitting unit, the recorded information is information transmitted by the transmitting unit, and the extracting unit is And means for extracting extracted information satisfying a predetermined condition from the recorded information recorded in the recording means.

According to the eighth aspect, the recording means receives and records the information transmitted by the transmitting means. The extracting unit extracts extracted information that satisfies a predetermined condition from the recorded information transmitted by the transmitting unit and recorded in the recording unit. Thereby, when the information reproducing apparatus receives the information transmitted from the information providing apparatus in advance and reproduces the recorded information, the recorded information is reproduced by replacing the extracted information satisfying the condition with the substitute information. An information reproducing apparatus used for an information reproducing system that can perform the information reproducing method can be provided.

According to a ninth aspect of the present invention, in addition to the configuration of the sixth or seventh aspect, the information providing apparatus has the information reproducing apparatus distinguishing the first information group and the second information group from each other. The information reproducing apparatus further includes a transmitting means for transmitting information, the information reproducing apparatus being connected to the information providing apparatus, receiving the information transmitted by the transmitting means, and transmitting the received information to the first information group and the second information group. Recording means for recording separately from the information group, wherein the extracting means extracts extracted information satisfying a predetermined condition from information included in the second information group recorded in the recording means. Means for doing so.

According to the ninth aspect, the recording means receives the information transmitted by the transmitting means, and records the received information separately into a first information group and a second information group. The extracting unit extracts extracted information that satisfies a predetermined condition from information included in the second information group transmitted by the transmitting unit and recorded in the recording unit. Thus, in the information reproducing apparatus, for example, information that does not need to be replaced and information that needs to be replaced are separately received and recorded from the information providing apparatus. When reproducing this information, it is possible to reproduce the recorded information by substituting the information that satisfies the condition among the information that needs to be substituted with new information. As a result, when playing back the recorded information,
It is possible to provide an information reproducing apparatus used in an information reproducing system that can reproduce information in accordance with the reproduced date and time.

[0026] In the information reproducing apparatus according to the tenth aspect, in addition to the configuration of the ninth aspect, the information included in the second information group is advertising information.

According to the tenth aspect, in the information reproducing apparatus, the information of the program main body and the advertisement information are separately received and recorded from the information providing apparatus. When reproducing recorded information, it is possible to provide an information reproducing apparatus used in an information reproducing system capable of reproducing recorded information by replacing advertising information satisfying a condition in the advertising information with new advertising information. .

[0028] An information providing apparatus according to an eleventh aspect of the present invention provides an information reproducing apparatus including: an information reproducing apparatus for reproducing recorded information recorded in advance; and an information providing apparatus connected to the information reproducing apparatus for providing information to the information reproducing apparatus. An information providing device used in a system, wherein the information reproducing device includes a request unit for requesting the information providing device for alternative information, the information providing device includes a storage unit for storing a plurality of alternative information, A search unit connected to the playback device and the storage unit, for searching for the alternative information requested by the request unit from the plurality of alternative information stored in the storage unit, and connected to the information playback device and the search unit; And an alternative information transmitting unit for transmitting the alternative information searched by the searching unit to the information reproducing apparatus.

According to the eleventh aspect, the search means searches the alternative information requested by the request means from the plurality of alternative information stored in the storage means. The substitute information transmitting means transmits the substitute information searched by the search means to the information reproducing device. Thereby, when the information reproducing apparatus requests the alternative information when reproducing the recorded information, the information providing apparatus
The information is retrieved from a plurality of alternative information stored in the storage means and transmitted to the information reproducing apparatus. The information reproducing device can reproduce the recorded information by substituting the extracted information with the substitute information received from the information providing device. As a result, when the information transmitted from the information providing apparatus and recorded is reproduced by the information reproducing apparatus, the information providing apparatus used in the information reproducing system capable of reproducing the information corresponding to the reproduced date and time is provided. be able to.

[0030] The information providing apparatus according to the twelfth invention is characterized in that the information providing apparatus comprises:
In addition to the configuration of the first aspect, the information processing apparatus further includes a transmitting unit for transmitting information to the information reproducing apparatus.

According to the twelfth aspect, the information providing device transmits information in advance, and the information reproducing device records the information received from the information providing device. The information reproducing apparatus can replace information that has been recorded for a certain period of time from the information received and recorded from the information providing apparatus with new substitute information and reproduce the information.

[0032] The information providing apparatus according to the thirteenth invention is characterized in that
In addition to the configuration of the first aspect of the present invention, the information reproducing apparatus further includes a transmitting unit for transmitting the information to the information reproducing apparatus while distinguishing the first information group and the second information group.

According to the thirteenth aspect, for example, the information providing apparatus transmits information in advance by distinguishing between the information of the program body and the advertisement information. The information reproducing device records information received from the information providing device. The information reproducing device can reproduce the information that has been recorded for a certain period of time in the advertisement information received and recorded from the information providing device, instead of new information.

[0034]

Embodiments of the present invention will be described below with reference to the drawings. In the following description, the same components are denoted by the same reference numerals. Their names and functions are the same. Therefore, detailed description thereof will not be repeated.

Referring to FIG. 1, a recording / reproducing system according to an embodiment of the present invention includes a recording / reproducing apparatus 100 installed at a user's home or the like, a recording / reproducing apparatus 100 and a communication line 1.
Broadcasting device 200 installed in broadcasting station connected at 50
And

In this embodiment, the recording / playback apparatus 1
00 is described as receiving television program information and advertisement information from the broadcasting device 200 via the communication line 150,
It is not limited to this. For example, television program information and advertisement information are transmitted from the broadcast device 200 to the communication line 150.
Is not received through the terrestrial wave from the broadcast device 200 via the terrestrial communication equipment,
The signal may be received from the broadcasting device 200 via a communication satellite via radio waves from the communication satellite.

The program received and reproduced by the recording / reproducing apparatus 100 may be a radio program instead of a television program.
The information transmitted together with the program information may be weather forecast information or the like instead of advertisement information. The information reproduced by the recording / reproducing apparatus 100 is not information received and recorded from the broadcasting apparatus 200, but may be information on a recording medium or the like in which program information and advertisement information are recorded in advance.

Referring to FIG. 1, a recording / reproducing apparatus 100 used in the recording / reproducing system according to the present invention is described.
Is a control unit 102 that controls each unit of the recording and playback device 100
A communication unit 104 which is connected to the broadcasting device 200 and is an interface for transmitting and receiving various information between the recording / reproducing device 100 and the broadcasting device 200; and a control unit which detects a current date and time and detects the detected date and time signal. A time management unit 106 to be transmitted to an external monitor 102; a reproduction output unit 108 connected to an external monitor or the like to reproduce a television program recorded in the recording unit and output to the monitor; and a television program received from the broadcasting device 200. A recording unit 110, a program information storage unit 112 for storing index information of a television program recorded in the recording unit 110 for each recorded program ID, and an alternative for substituting advertisement information in the television program recorded in the recording unit 110 An alternative advertisement information storage unit 114 for storing advertisement information.

The control unit 102 and the communication unit 10
4. Time management unit 106, playback output unit 108, recording unit 11
0, program information storage unit 112 and alternative advertisement information storage unit 1
Reference numeral 14 is connected by a bus inside the recording / reproducing apparatus 100, and can mutually transmit and receive data.

The control unit 102 allows the user to control the broadcast device 20
Numeric keys for inputting a program ID for specifying a program to be received from 0 or for inputting a recorded program ID for specifying a program to be reproduced from programs recorded in the recording unit 110, and recording for inputting a recording request An input unit including a request button and a reproduction request button for inputting a reproduction request is included. Control unit 102 includes a memory for temporarily storing data.

Referring to FIG. 1, broadcast apparatus 200 of the recording / playback system according to the present embodiment includes broadcast apparatus control section 202 for controlling each section of broadcast apparatus 200, and recording / playback apparatus 1
00, a broadcast device communication unit 204 which is a communication interface for transmitting program information and advertisement information to the recording / reproducing device 100, and an information storage unit 2 for storing various information.
06. The broadcast device control unit 202, the broadcast device communication unit 204, and the information storage unit 206
Are connected by a bus inside, and can mutually transmit and receive data.

Information storage unit 206 includes a broadcast device program information storage unit 208 and an advertisement information storage unit 210. The broadcast device program information storage unit 208 stores program information and advertisement information to be transmitted in response to a recording request from the recording and playback device 100. The advertisement information storage unit 210 stores the latest advertisement information for each advertiser. Referring to FIG. 4, advertisement information storage unit 2
10 stores advertisement data for each advertiser and advertisement time. For example, the advertisement data in which the advertiser is Company A and the advertisement time is 30 seconds is represented by the advertisement information storage unit 2 with a data name of A030.
10 is stored. These advertisement data can be uniquely specified by the advertiser and the advertisement time, that is, one advertisement data can be searched using the advertiser and the advertisement time as keys.

Referring to FIG. 2, television program information and advertisement information that information reproducing apparatus 100 receives from broadcast apparatus 200 via communication unit 104 include a header including a program ID,
The program information includes program information 1, advertisement information 1 indicating the first advertisement, program information 2, advertisement information 2 indicating the second advertisement, program information 3,... Each piece of advertisement information includes advertiser information indicating an advertiser of the advertisement. At the start of each advertisement information, the control unit 10
2, an advertisement information start flag indicating the start of the advertisement information and an advertisement information end flag indicating the end of the advertisement information are recorded. Such program information and advertisement information are transmitted from the broadcasting device 200 and recorded on the recording unit 110 of the recording and reproducing device 100.

Referring to FIG. 3, the index file stored in program information storage section 110 includes program index data and advertisement index data. The program index data includes recording date and time data of the program and a recorded program ID for specifying the recorded program. The advertisement index data includes the index data of the advertisement information 1, the index data of the advertisement information 2, the index data of the advertisement information 3, and so on, which are recorded in the order in which the advertisement is broadcast after the program in FIG. . Each advertisement information is specified by an advertisement information start flag, an elapsed time (start) data from the start of the program to the start of the advertisement, and an advertisement information end flag.
It includes elapsed time (end) data from the start of the program to the end of the advertisement, advertiser data, and advertisement information acquisition date and time data. For example, if the recorded program ID is 0135
The program index data indicated by 3 has a recording date and time of 2
It includes data indicating that the recording start time is 12:30 and the recording end time is 14:00 on March 14, 2000. The advertisement index data of the recorded program ID indicates that the advertisement of the advertiser A starts 5 minutes after the start of the program, and the advertisement ends 6 minutes after the start of the program.
The advertisement information acquisition date and time data indicates that this advertisement is 2000
It is recorded at 12:35 on March 14, 2003.

Referring to FIG. 5, a program executed by control section 102 of recording / reproducing apparatus 100 has the following control structure for recording processing.

Step (hereinafter, step is abbreviated as S)
At 100, control unit 102 determines whether or not a program reception request transmitted to broadcast device 200 has been input. This determination is made based on whether or not a recording request button has been pressed after a program ID for specifying a program has been input using a numeric key provided on the recording and reproducing apparatus 100. When a program reception request is input to broadcast device 200 (YES in S100), the process proceeds to S102. On the other hand, if a program reception request has not been input to broadcast device 200 (NO in S100), the process returns to S100 and waits for an input of a program reception request.

Upon receiving the program reception request together with the program ID from the recording / reproducing apparatus 100, the broadcast apparatus 200
The program information and the advertisement information stored in the broadcast device program information storage unit 208 of the information storage unit 206 specified by D are transmitted to the recording and playback device 100 via the communication line 150.

In S102, control unit 102 sets communication unit 1
The program information and the advertisement information transmitted from the broadcasting device 200 via the communication device 04 are received. At S104, control unit 102
Instructs the recording unit 110 to start recording a program. In response to this instruction, the recording unit 110 starts recording program information and advertisement information received via the communication unit 104. At this time, the control unit 102 acquires the current date and time from the time management unit 106 and stores it as the recording start time.

At S 106, control unit 102 transmits the recorded program ID of the program index data of the advertisement index file shown in FIG.
D, and the recording date and time data (start) of the program index data is generated based on the recording start time stored in S104. The generated program index data is stored in the program information storage unit 112.

At S108, control unit 102 sets communication unit 1
It is determined whether or not an advertisement start flag has been detected in the information received from the broadcasting device 200 via the communication device 04. If the advertisement start flag is detected (YES in S108), the process proceeds to S110. On the other hand, if the advertisement start flag has not been detected (NO in S108), the process proceeds to S118.

In S110, control unit 102 acquires the current date and time from time management unit 106, and stores the elapsed time from the recording start time stored in S106 to the acquired current date and time as elapsed time (start) data. I do. Further, the control unit 102 stores the advertiser data included in the transmitted advertisement information. In S112, control unit 102 sets communication unit 1
It is determined whether or not an advertisement end flag has been detected in the information received from the broadcast device 200 via the broadcast receiver 04. . If the advertisement end flag is detected (YES in S112), the process proceeds to S114. On the other hand, if the advertisement end flag is not detected (NO in S112), the process proceeds to S112, and waits for detection of the advertisement end flag.

In S114, control unit 102 acquires the current date and time from time management unit 106, and stores the elapsed time from the recording start time stored in S106 to the acquired current date and time as elapsed time (end) data. I do.

In S116, control unit 102 sets in S110
Based on the elapsed time (start) data, advertiser data, and the elapsed time (end) data stored in S114, advertisement index data of the advertisement information index file is generated and stored in the program information storage unit 112. . Thereafter, the process returns to S108, and it is determined whether or not another advertisement start flag has been detected.

In S118, control unit 102 sets in S108
If the advertisement start flag is not detected in, it is determined whether the program has ended. This determination is made by receiving a program end flag from broadcast device 200 via communication unit 104. If it is determined that the program has ended (S11
8, YES), the current time is acquired from the time management unit 106, and the recording time and date data (end) of the program index data is generated from the acquired time, and the process ends. On the other hand, if it is determined that the program has not ended (NO in S118), the process returns to S108, and it is determined whether another advertisement start flag has been detected.

As described above, when recording / reproducing apparatus 100 transmits a program reception request to broadcast apparatus 200, the broadcast apparatus transmits program information and advertisement information. Recording and playback device 1
00, when the advertisement start flag is detected while the program information is being received and recorded, the elapsed time (start) is calculated, the advertiser data is read from the advertisement information, and the elapsed time (end) is detected when the advertisement end flag is detected. Is calculated, and the advertisement index data is generated based on these. Such processing is repeated until the program ends. As a result, the advertisement information index file shown in FIG. 3 is stored in the program information storage unit 112 for each recorded program ID. If no advertisement start flag is detected, only the program index data is present in the advertisement information index file stored in the program information storage unit 112, and no advertisement index data is present.

Referring to FIG. 6, the program executed by recording / reproducing apparatus 100 has the following control structure for the reproducing process.

At S150, control section 102 determines whether or not a reproduction request has been input. This determination is made based on whether or not the playback request button has been pressed after the recorded program ID has been input using the numeric keys provided on the recording and playback apparatus 100. When a reproduction request is input (YES in S150), the process proceeds to S152. On the other hand, if the reproduction request is not input (NO in S150), the process proceeds to S15.
It returns to 0 and waits for the input of a reproduction request.

At S152, control unit 102 reads the index file corresponding to the recorded program ID stored in program information storage unit 112. At S154, control unit 10
2 judges whether or not there is advertisement index data in the index file read in S152.
If there is advertisement index data (YES in S154), the process proceeds to S158. On the other hand, if there is no advertisement index data (NO in S154),
The process proceeds to S156. It should be noted that the case where there is no advertisement index data corresponding to the recorded program ID requested to be reproduced means the case where the recorded program does not include an advertisement.

At S156, control unit 102 sets a no-advertisement flag corresponding to the recorded program ID. Thereafter, the process proceeds to S172.

In S158, control unit 102 acquires the current date and time from time management unit 106, and compares the current date and time with the advertisement information acquisition date and time of the advertisement index data corresponding to the recorded program ID requested to be reproduced. In S160, control unit 102 determines whether or not a fixed period has elapsed from the advertisement information acquisition date and time. If a certain period has elapsed from the advertisement information acquisition date and time (YES in S160), the process proceeds to S162. On the other hand, if the fixed period has not elapsed from the advertisement information acquisition date and time (N in S160)
O), the process is moved to S172.

At S 162, control section 102 transmits the request data for the alternative advertisement information to broadcasting apparatus 200. Referring to FIG. 7, request data transmitted to broadcast device 200 in S162 includes a communication header, request information 1, request information 2, request information 3,..., And a data end flag. The communication header includes an alternative advertisement information request flag, a source recording / reproducing device ID, and advertisement number data. Each request information includes advertiser data and advertisement time data.

At S 164, control section 102 determines whether or not the substitute advertisement information has been received from broadcast apparatus 200.
When the alternative advertisement information is received from the broadcast device 200 (S16
(YES in 4), the process proceeds to S166. On the other hand, if the substitute advertisement information is not received from the broadcast device 200 (S
(NO at 164), the process proceeds to S170. Referring to FIG. 8, the alternative advertisement information received from broadcast device 200 in S162 includes a communication header, alternative advertisement information 1, alternative advertisement information 2, alternative advertisement information 3, ..., and a data end flag. Further, the communication header includes an alternative advertisement information flag and a destination recording / reproducing device ID. In addition, each alternative advertising information,
Includes advertiser company data and advertising data. Note that the number of request information shown in FIG. 7 is equal to the number of alternative advertisement information shown in FIG.

In S166, control unit 102 determines in S162
Is stored in the alternative advertisement information storage unit 114 for each recorded program ID. In S168, control unit 102 sets an alternative flag corresponding to the recorded program ID.

In S170, control unit 102 determines in S162
When the alternative advertisement information is not received from the broadcasting device 200, it is determined whether or not a predetermined time has elapsed after transmitting the request data for the alternative advertisement information. If a certain period of time has elapsed after transmitting the request data for the alternative advertisement information to broadcasting apparatus 200 (YES in S170), the process proceeds to S172. On the other hand, if the predetermined time has not elapsed after transmitting the request data for the alternative advertisement information to the broadcasting device 200 (S1).
(NO at 70), the process proceeds to S164, and broadcast device 2
From 00, it waits for the reception of alternative advertisement information.

At S 172, control section 110 uses reproduction output section 108 to start reproducing the recorded data recorded by recording section 110.

At S 174, control section 102 determines whether or not the no-advertisement flag is set. If the no-ad flag is set (YES in S174),
The process proceeds to S184. On the other hand, if the no-ad flag is not set (NO in S174), the process proceeds to S1.
Moved to 76.

At S176, control section 102 determines whether or not an advertisement start flag has been detected from the data being reproduced. If an advertisement start flag is detected (YES in S176), the process proceeds to S178. On the other hand, if the advertisement start flag has not been detected (NO in S176), the process proceeds to S184.

At S178, control unit 102 determines whether or not the substitute flag has been set. If the substitute flag is set (YES in S178), the process proceeds to S
Moved to 180. On the other hand, if the substitute flag has not been set (NO in S178), the process proceeds to S182.

At S 180, control section 102 reads the relevant alternative advertisement information from alternative advertisement information storage section 114.
In S182, control unit 102 substitutes the substitute advertisement information read in S180 if the substitute flag is set, and records unit 1 if the substitute flag is not set.
Each of the advertisement information recorded in 10 is reproduced.

According to such a process, the recorded advertisement information is reproduced unless a certain period has elapsed from the recording date and time to the reproduction date and time. When a certain period has elapsed from the recording date and time to the reproduction date and time, the alternative advertisement information is reproduced. Then, even if a certain period has elapsed from the recording date and time to the reproduction date and time, if the substitute advertisement information cannot be received from the broadcasting device 200, the recorded advertisement information is reproduced as it is.

At S184, control unit 102 determines whether or not the program has ended. This determination is based on S118 described above.
The determination is made by detecting the end-of-program flag in the same manner as the determination in. If the program has ended (YES in S184), the process ends. If the program has not ended (NO in S184), the process returns to S174. Then, if the no ads flag is set,
Each time the advertisement start flag is detected, it is determined whether or not the substitute flag is set. If the substitute flag is set, the substitute advertisement information is read from the substitute advertisement information storage unit 114 and the substitute advertisement information is reproduced. I do.

Referring to FIG. 9, the program executed by broadcast device 200 has the following control structure for the alternative advertisement information search process.

At S200, broadcast device control section 202
It is determined whether or not request data for alternative advertisement information has been received from recording and playback device 100. Upon receiving the substitute advertisement information request data from the recording and playback device 100 (YE in S200)
S), the process is moved to S202. On the other hand, if the request data for the alternative advertisement information has not been received from recording and playback device 100 (NO in S200), the process returns to S200, and waits for the reception of the request data.

In S202, broadcast device control section 202
The variable N is initialized (N = 1). In S204, broadcast device control section 202 reads the advertiser data and the advertisement time data of the Nth advertisement information in the request data. S206
, The broadcast device control unit 202
To search for alternative advertisement information based on the advertiser data of the Nth advertisement information and the advertisement time.

At S208, the broadcast device control section stores the advertisement information searched as the Nth alternative advertisement information.
At S210, broadcast device control section 202 performs an operation of N = N + 1 for variable N.

At S212, broadcast device control unit 202
It is determined whether the variable N exceeds the number of advertisements. If variable N exceeds the number of advertisements included in the header part of the request data (YES in S212), the process proceeds to S214. On the other hand, if variable N is equal to or less than the number of advertisements (NO in S212), the process proceeds to S204, and alternative advertisement information is searched for the next advertisement information.

At S214, broadcast device control section 202
The recording / reproducing apparatus 100 specified by the source recording / reproducing apparatus ID shown in FIG.
To the data format shown in FIG.

The operation of the recording / reproducing apparatus 100 and the broadcasting apparatus 200 based on the above structure and flowchart will be described.

[Recording Process] In the recording / reproducing apparatus 100, a program ID for specifying a program is input from the numeric keys,
When the recording request button is pressed, a program reception request is transmitted from the recording / reproducing device 100 to the broadcasting device 200 (S100
At YES). The recording / reproducing device 100 includes a broadcast device 200
Receives the advertisement information and the program information shown in FIG.
102). The recording of the program information and the advertisement information is started in the recording unit 110 (S104), the recording date and time data (start), the program index data is generated based on the recorded program ID, and stored in the program information storage unit 112 (S1).
06).

If the advertisement start flag is detected during recording by recording section 110 (YES in S108), elapsed time (start) data and advertiser data are stored (S11).
0). Further, if an advertisement end flag is detected during recording (YES in S112), elapsed time (end) data is stored. Based on the elapsed time (start) data when detecting the advertisement start flag, the elapsed time (end) data when detecting the advertisement end flag, and the data indicating the advertiser of the advertisement specified by the flags, Advertising index data is generated and stored in the program information storage unit 112 (S116).

Until the program ends (YE in S118)
S), the detection of the advertisement start flag and the detection of the advertisement end flag are repeatedly performed, and every time the advertisement start flag and the advertisement end flag are detected, the elapsed time (start) data of the advertisement specified by those flags, the elapsed time Time (end) data and advertiser data are stored in the advertisement information index file.

By the above recording process, the recording unit 11
2 records program information and advertisement information shown in FIG.
The program information storage unit 112 stores an index file shown in FIG.

[Reproduction Process] In the recording / reproducing apparatus 100, when a recorded program ID for specifying a recorded program is inputted from a numeric key and a reproduction request button is pressed (Y in S150).
ES), the index file stored in the program information storage unit 112 is read (S152). If there is advertising index data in the read index file (S
YES at 154), the advertisement information acquisition date and time are compared with the current date and time (S158).

If a certain period has elapsed since the date and time when the advertisement information was obtained (YES in S160), broadcast device 200
The request data of the alternative advertisement information is transmitted in the data format shown in FIG. 7 (S162).

On the other hand, in broadcast apparatus 200, upon receiving the substitute advertisement information request data from recording / reproducing apparatus 100 (YES in S200), variable N is initialized (N = 1).
Then, the advertiser data and the advertisement time data of the N-th advertisement information are read (S204). From the advertisement information stored in the advertisement information storage unit 210, alternative advertisement information is searched based on the advertiser data and the advertisement time data of the Nth advertisement information (S206). The searched advertisement information is stored as the Nth alternative advertisement information (S20).
8) Until the variable N exceeds the number of advertisements (N in S212)
O), alternative ad information is searched for the following ad information,
The searched advertisement information is stored as alternative advertisement information.
By repeating such processing, alternative advertisement information is generated by the number of request information included in the alternative advertisement information request data transmitted from the recording / reproducing apparatus 100, and the recording / reproducing apparatus has a data format shown in FIG. The alternative advertisement information is transmitted to 100 (S214).

On the other hand, when the recording / reproducing apparatus 100 receives the substitute advertisement information from the broadcasting apparatus 200 (S164)
YES), and stores the received alternative advertisement information in the alternative advertisement information storage unit 114.

If the substitute advertisement information has been received from the broadcast device 200, a substitute flag is set (S16).
8).

On the other hand, if there is no advertisement index data in the read index file (N in S154)
O), the no-advertisement flag is set (S156). If the alternative advertisement information cannot be received within a certain period of time after transmitting the request data for the alternative advertisement information to broadcasting device 200 (YES in S170), the alternative flag is reset.

While the recorded data is being reproduced, the advertisement absence flag is reset (NO in S174), and the advertisement start flag is detected (YES in S176).
If the substitute flag is set (YES in S178), the substitute advertisement information is read from substitute advertisement information storage unit 114 (S180), and the read substitute advertisement information is reproduced (S182). On the other hand, if the advertisement start flag is detected (YES in S176) and the substitute flag is reset (NO in S178), the substitute advertisement information is recorded at the time of recording without being read. The advertising information is played. On the other hand, when the no-advertisement flag is set (YES in S174), the recorded data is reproduced until the end of the program without detecting the advertisement start flag.

In addition to the above description, based on the advertisement information acquisition date and time of the advertisement index data of each advertisement information, it is determined whether or not a certain period has elapsed since each advertisement information was recorded. Only the advertising information for which the period has elapsed may be requested from the broadcasting device 200 for alternative advertising information. At this time, the number of advertisements in the communication header of the request data shown in FIG. 7 is the number of advertisement information for which a certain period has elapsed in the advertisement information.

Further, instead of requesting the alternative information based on the elapsed time from the date and time when the advertisement information was recorded,
Based on the time elapsed since the date the ad information was created,
Alternative information may be requested. At this time, FIG.
The advertisement information shown in (1) further includes advertisement information generation date and time data in addition to the advertiser data. The advertisement index data shown in FIG. 3 includes advertisement generation date / time data instead of advertisement acquisition date / time data.

As described above, in the recording / reproducing system according to the present embodiment, when the recorded advertisement information is reproduced, if a certain period has passed since the recording, the recording / reproducing apparatus is used. The substitute advertisement information is requested from the broadcasting device. The broadcasting device searches for advertisement information that can be replaced from the stored advertisement information, and transmits the advertisement information to the recording and playback device. The recording / reproducing apparatus substitutes and reproduces the advertisement information when reproducing the recorded data, based on the received substitute advertisement information. As a result, when reproducing the recorded information, it is possible to provide an information reproducing system capable of reproducing the information corresponding to the reproduced date and time.

<Modification> A modification of the recording / playback system according to the present embodiment will be described below. In the following modified example, only points different from the above-described embodiment will be described, and detailed description of the same configuration will not be repeated here.

As shown in FIG. 10, the broadcast device program information storage section 208 of the broadcast device 200 according to the present modification stores program information and advertisement information separately. The program information includes a header section such as a program ID, program data, and a program end flag. The header section contains a program I that specifies this program data.
D, the elapsed time 1 from the start of the program to the insertion of the advertisement information 1 and the elapsed time 2 of the number of advertisements such as the elapsed time 2 from the start of the program to the insertion of the advertisement information 2. including. The advertisement information includes advertisement information 1, advertisement information 2, advertisement information 3, and so on. Each piece of advertising information includes advertiser information.

Broadcasting apparatus 200 responds to the program information receiving request from recording / reproducing apparatus 100, and transmits the program information and advertisement information stored in broadcasting apparatus program information storage section 208 shown in FIG. Send. Recording and playback device 1
The recording unit 110 records program information and advertisement information transmitted from the broadcasting device 200.

In this modified example, when the program information and the advertisement information shown in FIG. 10 are recorded in the recording section 110, the program ID, the elapsed time 1, the elapsed time 2, etc., included in the header section of the program information. Information and advertisement information 1 included in the advertisement information,
The advertisement index data shown in FIG. 3 is generated from the advertisement information 2 and the like, and stored in the program information storage unit 112. FIG.
The elapsed time (start) of the ad index data shown in
By the elapsed time of the header part, the elapsed time (end) of the advertisement index data is obtained by adding the advertisement time of the advertisement information to the elapsed time of the header part.
Each is calculated by adding the recording start time to the elapsed time of the header portion.

In this modification, at the time of program reproduction,
If a certain period has elapsed from the date and time of the acquisition of the advertisement information of the recorded recording information, the request data of the alternative advertisement information is transmitted from the recording / reproducing device 100 to the broadcasting device 200 based on the advertisement index data, as described above. The broadcast information is transmitted and searched for in the broadcasting device 200.
It is transmitted to the recording and playback device 100. The transmitted substitute advertisement information is stored in the program information storage unit 112. When the reproduction of the program is started and the elapsed time 1 has elapsed since the reproduction of the program, the substitute information stored in the substitute advertisement information storage unit 114 is replaced with the advertisement information 1 of the advertisement information received together with the program information shown in FIG. The advertising information is played.

As described above, also in this modification,
When reproducing the recorded information, the information can be reproduced in accordance with the date and time of the reproduction.

The embodiments disclosed this time are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

[0100]

As described above in detail, according to the present invention, the information reproducing apparatus extracts the extracted information which has been recorded for a certain period of time and replaces the extracted information with the extracted information. Received from the providing device. The information reproducing device reproduces the recorded information by substituting the received extracted information with new substitute information. As a result, when reproducing recorded information, it is possible to provide an information reproducing system capable of reproducing information in accordance with the reproduced date and time, and an information reproducing apparatus and an information providing apparatus used in the system. .

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a recording / reproducing device and a broadcasting device in a recording / reproducing system according to an embodiment of the present invention.

FIG. 2 is a diagram (part 1) illustrating a data structure of program information transmitted from a broadcasting device to a recording / reproducing device.

FIG. 3 is a diagram showing an index file generated in the recording / playback apparatus according to the embodiment of the present invention.

FIG. 4 is a diagram showing an advertisement data table for storing advertisement data in an advertisement information storage unit of the broadcast device according to the embodiment of the present invention.

FIG. 5 is a flowchart showing a control procedure of a recording process of the recording / reproducing apparatus according to the embodiment of the present invention.

FIG. 6 is a flowchart showing a control procedure of a reproduction process of the recording / reproduction device according to the embodiment of the present invention.

FIG. 7 is a diagram showing alternative advertisement information request data transmitted from the recording / reproducing device to the broadcasting device according to the embodiment of the present invention.

FIG. 8 is a diagram showing alternative advertisement information data transmitted from the broadcasting device to the recording / reproducing device according to the embodiment of the present invention.

FIG. 9 is a flowchart showing a control procedure of a substitute advertisement information search process of the broadcasting device according to the embodiment of the present invention.

FIG. 10 is a diagram (part 2) illustrating a data structure of program information transmitted from the broadcasting device to the recording / reproducing device.

[Description of Signs] 100 recording / playback apparatus, 102 control unit, 104 communication unit, 106 time management unit, 108 playback output unit, 110
Recording unit, 112 program information storage unit, 114 alternative advertisement information storage unit, 200 broadcast device, 202 broadcast device control unit, 204 broadcast device communication unit, 206 information storage unit, 2
08 broadcast device program information storage unit, 210 advertisement information storage unit.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) G11B 27/02 Z

Claims (13)

[Claims] 1. An information reproducing system, comprising: an information reproducing device for reproducing recorded information recorded in advance; and an information providing device connected to the information reproducing device for providing information to the information reproducing device. A reproducing device, an extracting unit for extracting extracted information satisfying a predetermined condition from the recorded information; an extracting unit connected to the information providing device and the extracting unit; Requesting means for requesting the information providing apparatus for alternative information for substituting information, wherein the information providing apparatus comprises: storage means for storing a plurality of pieces of alternative information; the information reproducing apparatus; and the storage. Means for searching for the substitute information requested by the request means from the plurality of pieces of substitute information stored in the storage means; And an alternative information transmitting unit connected to the searching unit for transmitting the alternative information searched by the searching unit to the information reproducing apparatus. The information reproducing apparatus further comprises a connection to the information providing apparatus. An information reproducing system, comprising: a reproducing unit for receiving the substitute information transmitted by the substitute information transmitting unit, replacing the extracted information with the received substitute information, and reproducing the recorded information. 2. The information reproducing apparatus further includes a date and time detecting unit for detecting a current date and time, wherein the condition is that an elapsed time from the date and time when the record information is recorded to the current date and time is equal to or longer than a predetermined period. 2. The information reproducing system according to claim 1, wherein there is a condition. 3. The information providing device further includes a transmitting unit for transmitting information to the information reproducing device, wherein the information reproducing device is connected to the information providing device, and the information transmitting device transmits the information transmitted by the transmitting unit. The information processing apparatus further includes a recording unit for receiving and recording information, wherein the recording information is information transmitted by the transmission unit, and the extraction unit is configured to select one of the recording information recorded in the recording unit in advance. 3. The information reproducing system according to claim 1, further comprising means for extracting extraction information satisfying a predetermined condition. 4. The information providing apparatus further includes transmitting means for transmitting information to the information reproducing apparatus while distinguishing between a first information group and a second information group, wherein the information reproducing apparatus comprises: Recording means for receiving the information transmitted by the transmission means, connected to an information providing apparatus, and recording the received information separately in the first information group and the second information group The recording information is information transmitted by the transmitting unit, and the extracting unit is configured to select a predetermined condition from among information included in the second information group recorded in the recording unit. 2. A means for extracting extraction information satisfying the following.
Or the information reproduction system according to 2. 5. The information reproduction system according to claim 4, wherein the information included in the second information group is advertisement information. 6. An information reproducing apparatus used in an information reproducing system including an information reproducing apparatus for reproducing recorded information recorded in advance, and an information providing apparatus connected to the information reproducing apparatus and providing information to the information reproducing apparatus. Wherein the information providing apparatus includes an alternative information transmitting unit for transmitting alternative information to the information reproducing apparatus, wherein the information reproducing apparatus extracts, from the recorded information, information that satisfies a predetermined condition. An extracting unit for extracting information; a request connected to the information providing device and the extracting unit, for requesting the information providing device for alternative information for replacing the extracted information extracted by the extracting unit. Means, connected to the information providing apparatus, for receiving the substitute information transmitted by the substitute information transmitting means, and substituting the extracted information with the received substitute information. , And a reproducing means for reproducing the recorded information, the information reproducing apparatus. 7. The information reproducing apparatus further includes a date and time detecting means for detecting a current date and time, wherein the condition is that an elapsed time from the date and time when the record information is recorded to the current date and time is equal to or longer than a predetermined period. 7. The information reproducing apparatus according to claim 6, wherein the condition is that there is. 8. The information providing device further includes a transmitting unit for transmitting information to the information reproducing device, wherein the information reproducing device is connected to the information providing device, and the information transmitting device transmits the information transmitted by the transmitting unit. The information processing apparatus further includes a recording unit for receiving and recording information, wherein the recording information is information transmitted by the transmission unit, and the extraction unit is configured to select one of the recording information recorded in the recording unit in advance. 8. The information reproducing apparatus according to claim 6, further comprising a unit for extracting extraction information satisfying a predetermined condition. 9. The information providing apparatus further includes transmitting means for transmitting information to the information reproducing apparatus while distinguishing between a first information group and a second information group, wherein the information reproducing apparatus comprises: Recording means for receiving the information transmitted by the transmission means, connected to an information providing apparatus, and recording the received information separately in the first information group and the second information group The recording information is information transmitted by the transmitting unit, and the extracting unit is configured to select a predetermined condition from among information included in the second information group recorded in the recording unit. 7. A means for extracting extraction information satisfying the following.
Or the information reproducing apparatus according to 7. 10. The information reproducing apparatus according to claim 9, wherein the information included in the second information group is advertising information. 11. An information providing apparatus for use in an information reproducing system including: an information reproducing apparatus for reproducing recorded information recorded in advance; and an information providing apparatus connected to the information reproducing apparatus and providing information to the information reproducing apparatus. Wherein the information reproducing apparatus includes requesting means for requesting alternative information from the information providing apparatus, wherein the information providing apparatus includes: a storage means for storing a plurality of alternative information; and the information reproducing apparatus. A search unit connected to the storage unit, for searching for the alternative information requested by the request unit from the plurality of alternative information stored in the storage unit; the information reproducing apparatus and the search unit And an alternative information transmitting means for transmitting the alternative information searched by the searching means to the information reproducing apparatus. 12. The information providing apparatus according to claim 11, wherein said information providing apparatus further includes a transmission unit for transmitting information to said information reproducing apparatus. 13. The information according to claim 11, wherein the information providing apparatus further includes a transmitting unit for transmitting information to the information reproducing apparatus while distinguishing the information into a first information group and a second information group. Providing device.