JPH08317331A - Recording and reproducing system - Google Patents

Abstract

PURPOSE: To provide a recording and reproducing system capable of easily and speadily retrieving a recorded TV program by generating and recording the index of recorded contents including program titles based on a program list to be supplied. CONSTITUTION: A TV transmission part 1 transmits the character signals of the program list generated by a program list distribution part 2 while superimposing them on TV signals. On the reception side, a teletext program transmitting the program list is designated through a control part 12 by an operating part 5, and the relevant program is tuned by a reception part 3. Next, the character signals are extracted from video signals by a character decoder part 6, and the program list is restored and stored in a storage part 7. Thus, when recording is reserved in the state of storing the program list in the storage part 7, the program title is discriminated by a discrimination part 8 and the index of programs is generated by an index generating part 9 and stored in a memory 10. Then, the index and the TV signals are recorded in the recording medium by a recording and reproducing part 4. Therefore, while referring to the program title written in the index, the recorded TV program can be easily and speedily retrieved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention refers to an index generated based on a supplied TV (television) program guide to record T.
The present invention relates to a recording / reproducing system for simply confirming a V program.

[0002]

2. Description of the Related Art Conventionally, for example, a VTR (Video Tape Rec
Oder) is widely used as a convenient device for recording TV programs and playing them back at any time later so that the recorded programs can be viewed at any time. V mentioned above
In recording TR, in order to organize the recorded cassette tapes, for example, a title name is written on the recording cassette and
As a detailed description, the program name and the like are manually entered. This entry work is indispensable for program search after selecting a desired cassette from the cassette library that has already been recorded, for example, to search for a drama you want to watch, but program recording is automatically recorded by recording reservation etc. On the other hand, writing the program name etc. was done manually, so it was an easy task to forget.

Due to the ease of forgetting, the cassette name is not written on the cassette itself, or some of the program names recorded in the cassette may be omitted even though the cassette name is written. Often becomes. When searching for a desired program with such an omission of the cassette, for example, the program is continuously reproduced by double-speed reproduction or the like, and in particular, when the cassette library is large, there is a problem in searching the program. .

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and is based on an incorrect program name, etc.
An object of the present invention is to provide a recording / reproducing system capable of searching by a program name that can be searched easily and quickly by referring to an accurate program name written in an index without actually searching the program while continuing to reproduce the program. And

[0005]

In order to achieve the above-mentioned object, a first structure is an index generating means for generating an index of recorded contents including a program name based on a supplied program guide, and the index. The recording and reproducing means records and reproduces a TV signal on a recording medium.

In the second configuration, a receiver for selecting and receiving the coded and modulated program guide signal and TV signal to demodulate the program guide signal, video signal and audio signal, and the video signal and audio signal A recording / reproducing unit for recording and reproducing on a recording medium, an operation unit for instructing channel selection, reserved recording, recording and reproduction, a decoder unit for restoring a program guide from the program guide signal, and a storage for storing the program guide. Section, a determining section for determining a program name, an index generating section for generating an index of a program including the program name, a memory for storing the index or the identification number of the recording medium and the index, and a clock for measuring the date and time. And a control unit that controls each unit.

[0007]

With the above construction, the supplied program guide is stored, and at the time of recording, by referring to this program guide, for example, the channel number and the broadcast date and time for making a reservation for absence recording can be obtained. If the channel number and the broadcast date and time are stored in advance in the program guide in association with each other, the corresponding program name is designated, and the channel number, the broadcast date and time, An index for recording is created by associating the designated program name with the designated program name, and is sequentially stored in the recording medium at each reservation, for example, at the head position. At the time of reproduction, the index of the recording medium is read out, and by displaying and confirming a plurality of correct program names written on the index, a desired program can be easily selected and the recording position can be confirmed. .

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A recording / reproducing system according to the present invention will be described in detail below with reference to the drawings. FIG. 1 is a block diagram of a first embodiment of a recording / reproducing system according to the present invention. 1
Is a TV that multiplexes a character signal into a TV signal (broadcast) and sends it
It is a transmitter. Reference numeral 2 denotes a program guide distribution unit that generates a TV broadcast program guide, for example, a program name, a broadcast date and time, a TV channel, and the like into a character signal by a hybrid method and supplies the character signal to the TV transmission unit 1. Make up the side.

Reference numeral 3 is a receiving section for receiving a TV signal for channel selection and demodulating a video signal and an audio signal. Reference numeral 4 records and reproduces the video signal and the audio signal and records and reproduces an index, for example, VTR, DVD (Digital Video).
A recording / playback unit composed of a Disc) or the like. Reference numeral 5 denotes an operation unit for instructing TV channel selection, character channel selection, recording reservation of the recording / reproducing unit 4, recording and reproducing instruction, and program name retrieval instruction. Reference numeral 6 denotes a character decoder unit that extracts a character signal from the video signal and restores a program table (code). A storage unit 7 stores the program guide (code), for example, for one week. Reference numeral 8 is a discriminating unit for discriminating the program name of the program guide. Reference numeral 9 is an index generation unit that generates an index of a program including the program name. Reference numeral 10 is a memory for temporarily storing the index. A clock unit 11 measures the date and time. 12
Is a display unit configured to display the index, for example, a liquid crystal panel or the like. Reference numeral 13 is a control unit for controlling each unit, which constitutes the receiving side.

The program search operation of the recording / reproducing system according to the present invention will be described with reference to FIGS. 1, 2 and 3. 2 is a diagram showing an image of a program table and an image of a search table of the recording / reproducing system according to the present invention. First, the overall operation of the recording / reproducing system according to the present invention will be described. On the sending side,
The program guide distribution unit 2 displays the program name, the broadcast date and time shown in FIG.
It holds a program guide consisting of TV channels and the like as a database and constantly updates the contents. For example,
The coded one-week program guide is supplied to the TV transmitter 1 as a character signal at a predetermined time every day. The TV transmitting unit 1 appropriately transmits the character signal to a TV signal (broadcast) in a character broadcast program, for example, as a weekly TV program guide.

On the receiving side, the operation section 5 instructs the teletext program (channel number) transmitting the program guide through the control section 12, so that the receiving section 3 selects the corresponding teletext program. Be stationed. The character decoder unit 6 receives the character signal from the receiving unit 3, decodes the character signal, and generates code data of the program table. The storage unit 7 stores the program guide (code data).

As described above, when the TV channel, the broadcast date and time, etc. are input from the operation unit 5 while the code data of the program guide is stored in the storage unit 7 and the recording reservation is made, the TV channel instructed, While the broadcast date and time is stored in the memory 10, the same TV channel and the broadcast date and time data are transmitted to the determination unit 8 and compared with the corresponding data in the storage unit 7 to determine the corresponding program name. It This will be specifically described. As shown in Figure 2, the broadcast date and time 95-5-8 / 1
When the time of 2:00 and the recording reservation of the broadcast TV channel 1 are reserved, the discrimination unit 8 discriminates the program name "daytime news", and the index generation unit 9 associates the program name, the broadcast date and time, and the broadcast TV channel. Generated index. The index is also stored in the memory 10. The clock unit 11 measures, and when the applicable date and time is reached, the recording / reproducing unit 4 starts recording, and stops recording after a predetermined time that has been instructed. At the same time, after adding, for example, a counter value (start / end) of the cassette tape indicating the recording position to the index, the index value is stored in the memory 10 and the recording / reproducing unit 4 is driven, for example, as shown in FIG.
As shown in (a), the data is recorded at the head position of the cassette tape.

To confirm the program name, a cassette tape is attached to the recording / reproducing section 4, and a program search is instructed by the operation section 5,
The index is read from the head position of the cassette tape and temporarily stored in the memory 10, and, for example, the display unit 12
Is displayed on the liquid crystal panel, etc. It should be noted that an identification number is recorded for each cassette tape, for example, at the beginning position and the index is associated with the identification number of the cassette tape in the memory 1.
If the cassette tape is replaced by storing it in 0, the corresponding index may be read from the memory 10 and displayed based on the identification number of the cassette tape. The read index is used by the recording / playback unit 4
An external display may be used instead of the display unit 12 by outputting a video signal via a video signal generation circuit such as.

FIG. 3 is a diagram showing a recording area of the recording medium of the recording / reproducing system according to the present invention. FIG. 3A shows a first example in which the index is stored in the recording medium, for example, the head portion of the tape, and the TV program is recorded in the remaining portion.
FIG. 3B is a second example in which the identification number of the recording medium is stored in, for example, the head portion of the tape and the TV program is recorded in the remaining portion. In the above-mentioned first example, when the cassette is attached to the recording / reproducing system according to the present invention and an operation is performed to view the index, the tape is fast-forwarded to the head portion of the tape, the index is read and displayed on the display unit 12 or the like. . In the second example, the cassette is attached to the recording / playback unit 4,
When the user looks at the index, the tape is fast-forwarded to the beginning of the tape, the identification number of this cassette is read, and the memory 1 is read based on the identification number of the cassette tape.
The corresponding index is read from 0 and displayed.

FIG. 4 is a block diagram of a second embodiment of the recording / reproducing system according to the present invention. The same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted. Reference numeral 51 is a modem unit for transmitting a data signal based on the program guide through a telephone line. Reference numeral 52 is a modem unit that receives and demodulates a telephone signal transmitted by the modem unit 51. The operation of this embodiment is
The program guide distribution unit 2 on the transmitting side supplies the data of the program guide from the database to the modem unit 51, the modem unit 51 modulates and transmits the data over the telephone line, and the receiving side receives the signal on the modem unit 52 for demodulation. The stage decoder unit 6 restores the program table. The other operations are the same as those in the first embodiment described above, and the description thereof will be omitted. The recording / reproducing system according to the present invention does not need to be limited to one that receives the above-mentioned program guide by wire or wirelessly. For example, a program guide stored in a CD-ROM is purchased and a CD provided in the recording / reproduction system is provided. −
It may be a recording / reproducing system which is mounted on a ROM driving device to read out and decode a program guide.

[0016]

As described above, according to the present invention, a program can be searched easily and quickly by referring to the exact program name written in the index without actually searching the program while continuing to reproduce the program. Provide a recording / playback system that can be searched by program name. Therefore, by the search instruction of the recording / playback system, the program name of the index displayed on the liquid crystal panel or the like can be confirmed and the program desired to be viewed can be easily selected. Furthermore, the recording position can be quickly referred by referring to the start position of the counter value. It has the merit of being able to play.

[Brief description of drawings]

FIG. 1 is a block diagram of a first embodiment of a recording / reproducing system according to the present invention.

FIG. 2 is a diagram showing an image of a program table and an image of a search table of a recording / reproducing system capable of searching by a program name according to the present invention.

FIG. 3 is a diagram showing a recording area of a recording medium of the recording / reproducing system according to the present invention.

FIG. 4 is a block diagram of a second embodiment of a recording / reproducing system according to the present invention.

[Explanation of symbols]

 1 TV transmitter 2 Program guide distributor 3 Receiver 4 Recording / playback unit 5 Operation unit 6 Character decoder unit 7 Storage unit 8 Discrimination unit 9 Index generation unit 10 Memory 11 Clock unit 12 Display unit 13 Control unit 51 Modem unit 52 Modem unit

Continuation of front page (51) Int.Cl. ⁶ Identification number Office reference number FI technical display area H04N 7/088

Claims (16)

[Claims] 1. An index generating means for generating an index of recorded contents including a program name based on a supplied program guide, and a recording / reproducing means for recording and reproducing the index and a TV signal on a recording medium, A recording / playback system that allows you to check the program name by displaying the index and to know the recorded content. 2. A coded and modulated program listing signal and T.
A receiver for selecting and receiving a V signal to demodulate a program guide signal, a video signal and an audio signal; a recording / reproducing unit for recording and reproducing the video signal and the audio signal on a recording medium;
An operation unit that gives instructions for recording and reproduction, a decoder unit that restores the program guide from the program guide signal, a storage unit that stores the program guide, a determination unit that determines the program name, and a program that includes the program name A recording / reproducing system including an index generation unit that generates the index, a memory that stores the identification number of the index or the recording medium and the index, a clock unit that measures the date and time, and a control unit that controls each unit. 3. The recording / reproducing system according to claim 1, wherein the program guide is composed of a program name, a broadcast date and time, and a broadcast channel. 4. The recording / reproducing system according to claim 2, comprising the program guide stored in a CD-ROM, and a CD-ROM drive section for driving the CD-ROM, which replaces the receiving section. . 5. The recording / reproducing system according to claim 1, wherein the index comprises a program name, a broadcast date and time, a broadcast channel, and a program recording position on a recording medium. 6. The recording / reproducing system according to claim 1 or 2, wherein the index is stored in a required area of the recording medium. 7. The recording / reproducing system according to claim 1, wherein the program guide is supplied by teletext. 8. The recording / reproducing system according to claim 1, wherein the program guide is supplied by FM radio broadcasting. 9. The recording / reproducing system according to claim 1, wherein the program guide is supplied by CATV broadcasting. 10. The recording / reproducing system according to claim 1, wherein the program guide is supplied by satellite broadcasting. 11. The recording / reproducing system according to claim 1, wherein the program guide is supplied through a telephone line. 12. The recording / reproducing system according to claim 1, wherein the recording / reproducing unit is constituted by a VTR. 13. The recording / reproducing system according to claim 1, wherein the recording / reproducing unit is a DVD. 14. The recording / reproducing system according to claim 2, wherein an identification number of the recording medium is recorded in a required area of the recording medium, and the identification number and the index are stored in the memory. 15. The recording / reproducing system according to claim 2, further comprising a display unit for displaying the index. 16. The recording / reproducing system according to claim 15, wherein the display section is composed of a liquid crystal panel.