JPH05109149A - Information recording device - Google Patents

Abstract

PURPOSE:To start recording from an expected position of a recording medium, even though a broadcasting program to record starts later than a recording start time set in the timer. CONSTITUTION:Among a first video and sound in the broadcasting program to be recorded, specified information (e.g. title music) is stored 40. The specific information among videos and sounds in the broadcasting programs after an information recording start time and the information stored in the memory 40 are compared 44 and when both coincide, a coincidence signal is outputted. When the comparison device 44 outputs the coincidence signal, recording of the broadcasting program is started.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information recording apparatus using a timer, which is suitable for a video tape recorder, for example.

[0002]

2. Description of the Related Art Conventionally, in a video tape recorder,
The recording start time and the recording time are set in a timer to record a television program.

[0003]

In the case of recording a television program using the above-mentioned timer, for example, when the program to be recorded does not start as scheduled due to the extension of the baseball broadcast, the program to be recorded is completely recorded to the end. There is a problem that you cannot do it. Also, if a tape with a long recording time is used and the recording time set in the timer is set long, it may be possible to record to the end, but it is troublesome to search the first part of the recording during reproduction.

The present invention has been made in view of such a situation, and even if the broadcast program to be recorded starts later than the recording start time set in the timer, the program is recorded from the planned position of the recording medium. It is an object of the present invention to provide an information recording device that can start the operation.

[0005]

The information recording apparatus of the present invention is an information recording means for recording information on an information recording medium (for example, the magnetic tape 2 of the embodiment) (for example, the information signal processing device 50 of the embodiment and Magnetic heads 12 and 14, etc.)
A timer for setting at least the information recording start time (for example, a timer for setting the recording start time by the timer recording setting device 20 of the embodiment), and a predetermined one of the first video and audio of the broadcast program to be recorded. Information stored in the storage means (for example, the memory 40 of the embodiment), predetermined information of the video and audio of the broadcast program after the information recording start time set in the timer, and the information stored in the storage means. And a comparison means for outputting a coincidence signal when both coincide with each other (for example, a data comparison device 44)
And a control means (for example, the system controller 100 of the embodiment) for causing the information recording means to start recording the broadcast program when the comparison means outputs the coincidence signal.

[0006]

In the information recording apparatus of the present invention having the above structure,
The predetermined information of the video and audio of the broadcast program after the information recording start time set in the timer is compared with the predetermined information of the video and audio stored in the storage means, and both are matched. At this time, the information recording means starts recording the broadcast program. Therefore, even if the broadcast program to be recorded starts later than the recording start time set in the timer, recording can be started from the scheduled position on the recording medium.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the structure of an embodiment of the information recording apparatus of the present invention. This embodiment is an example in which the present invention is applied to 8 mm video. In FIG. 1, a cassette (not shown)
The magnetic tape 2 drawn out from the magnetic tape 2 is guided by the guide pins 6 and 8 and, for example, 22
Wrapped in a spiral shape once, capstan 1
8 and the pinch roller 16 allow the vehicle to travel at a predetermined speed. Of the 221 degrees, 185 degrees are for video signals and 36 degrees are for audio signals.

Two magnetic heads 12 and 14 having different azimuth angles are attached to the rotary drum 10 at intervals of 180 degrees. The rotary drum 10 is driven by a drum motor (not shown) so that the magnetic heads 12 and 14 rotate once in one frame, and the magnetic head 12 is driven in an odd field (first channel).
Scans the magnetic tape 2, and the magnetic head 14 scans the magnetic tape 2 in an even field (second channel).

[0009] When a user records a program that is broadcast periodically (for example, weekly) and the same title music (theme song) is played first every time, for example, the broadcasting station and the start of broadcasting of the program to be recorded in the first week. The time is set in the timer recording setting device 20, and the recording start time and the recording end time are set in the timer recording setting device 20 in the second week, for example. The timer recording setting device 20 outputs information indicating the broadcasting station and the broadcasting start time of the program that should be recorded by the user to the system controller 100, and the system controller 100 stores this information in the internal memory and starts broadcasting. At the time, the tuner program setting signal including the tuner-on command and the information about the broadcasting station of the program to be recorded is output to the tuner 32, and the program intro information storage mode signal is output to the switch 38. Further, the timer recording setting device 20 sets the recording start time and the recording end time set by the user to the system controller 100.
Set to the built-in timer of the system controller 100
At the set recording start time, outputs a recording program input mode signal to the switch 38 and also outputs a recording start signal to the recording signal processing device 50. .

The tuner 32 is the system controller 1
The color video signal and the audio signal transmitted from the broadcasting station of the program set to be recorded by 00 are received through the antenna 30, and the received signal is detected by the audio signal detection device 34, the recording signal processing device 50, and the switch. 64 TVs
Supply to side contacts. The audio signal detection device 34 detects an audio signal from the signal supplied from the tuner 32, and A / D
Output to the (analog / digital) converter 36. A /
The D converter 36 outputs the digital audio signal to the memory 40 or the shift register 42 via the switch 38.

The switch 38 is the system controller 1
00 is receiving the program intro information storage mode signal, the contact M side is set to the connection state and the A / D converter 3
6 is supplied to the memory 40, and when the recorded program input mode signal is received from the system controller 100, the contact S side is brought into the connected state and the digital signal outputted from the A / D converter 36. The audio signal is supplied to the shift register 42. The data comparison device 44 compares the digital voice signal stored in the memory 40 with the digital voice signal input to the shift register 42, and outputs a mismatch signal to the system controller 100 when they do not match. When the system controller 100 receives the mismatch signal, the system controller 100 outputs a recording pause signal to the recording signal processing device 50. Further, the data comparison device 44 compares the digital voice signal stored in the memory 40 with the digital voice signal input to the shift register 42, and outputs a coincidence signal to the system controller 100 when the two coincide. When the system controller 100 receives the coincidence signal, the system controller 100 outputs a recording pause release signal to the recording signal processing device 50, or records the first 30 seconds of the broadcast program to be recorded by the recording processing device 50. During the middle, the recording signal processing device 50 is allowed to perform recording as it is, and a recording stop signal is output to the recording signal processing device 50 at the recording end time set by the timer.

The recording signal processing device 50 receives a color video signal and an audio signal from the tuner 32, separates the color video signal into a color signal and a luminance signal, forms a low frequency conversion color signal from the color signal, and outputs the luminance signal. Frequency modulation is performed to obtain a high frequency FM-modulated luminance signal, and a voice signal is subjected to frequency modulation to obtain an intermediate frequency FM-modulated voice signal. When the recording start signal or the recording suspension release signal is received from the system controller 100, the low frequency conversion color signal, the FM modulation luminance signal and the FM modulation audio signal are sent to the magnetic tape 4 via the amplifier 18 and the magnetic heads 12 and 14. To record.

The reproduction signal processing device 62 includes a magnetic head 12
And 14 and the signal read from the magnetic tape 4 via the amplifier 60 are processed in the reverse manner of the recording signal processing device 50 to reproduce a color video signal and an audio signal, and reproduce these reproduced signals from the switch 64. Supply to the contact on the VTR side. The switch 64 is the system controller 1
The switching control signal output from 00 is a television (T
When the V) side is instructed, the contact on the TV side is connected, the color video signal and the audio signal supplied from the tuner 32 are output to the television receiver 66, and the switching control signal output from the system controller 100. When the video tape recorder (VTR) side is instructed,
The contact on the VTR side is set to the connected state, and the reproduction signal processing device 6
The color video signal and the audio signal supplied from 2 are output to the television receiver 66.

Further, the system controller 100 outputs a control signal to the drum servo device 70, and the drum 10 is controlled.
The rotation speed of the tape 2 is controlled to a predetermined speed, and a control signal is output to the capstan servo device 80 to control the running speed of the tape 2 to a predetermined speed.

FIG. 2 is a flowchart showing an operation example of the embodiment shown in FIG. The operation of the embodiment shown in FIG. 1 will be described below with reference to FIG. First, in step S1, the user sets the broadcasting station and the broadcasting start time of the program to be recorded in the timer recording device 20, and the timer recording setting device 2
0 outputs information indicating the broadcasting station and the broadcasting start time of the program to be recorded by the user to the system controller 100, and the system controller 100 stores this information in the internal memory, and at the broadcasting start time, A tuner program setting signal including a tuner-on command and information about a broadcasting station of a program to be recorded is output to the tuner 32, and a program intro information storage mode signal is switched to the switch 3
Output to 8.

As a result, the tuner 32 is turned on, the color video signal and the audio signal transmitted from the broadcasting station indicated by the tuner program setting signal from the system controller 100 are received through the antenna 30, and the received signal is transmitted as an audio signal. The signal detection device 34, the recording signal processing device 50, and the TV side contacts of the switch 64 are supplied. Now, since the switching control signal supplied from the system controller 100 to the switch 64 indicates the television (TV) side, the switch 64 sets the contact on the TV side to the connected state,
The color video signal and the audio signal supplied from the tuner 32 are output to the television receiver 66, and the receiver 66
Reproduces the video and audio indicated by the received signal. Since the recording start signal is not supplied from the system controller 100 to the recording signal processing device 50, the recording on the magnetic tape 4 via the amplifier 18 and the magnetic heads 12 and 14 is not performed.

The audio signal detector 34 detects an audio signal from the signal supplied from the tuner 32 and outputs it to an A / D (analog / digital) converter 36. The A / D converter 36 outputs the digital audio signal to the switch 38. Since the switch 38 receives the program intro information storage mode signal from the system controller 100, the contact M side is set to the connection state and the digital audio signal output from the A / D converter 36 is supplied to the memory 40. Therefore, the first title music of the broadcast program to be recorded is stored in the memory 40 (step S2).

Next, in step S3, the user
When the recording start time and the recording end time are set in the timer recording setting device 20, the timer recording setting device 20 sets the recording start time and the recording end time set by the user in the built-in timer of the system controller 100 (step S3). The system controller 100 is
When the set recording start time is reached (YES in step S4)
S), the recording program input mode signal is output to the switch 38, and the recording start signal is output to the recording signal processing device 50 (step S5). As a result, the recording signal processing device 50 processes the color video signal and the audio signal sent from the tuner 32 as described above, and the amplifier 5
2 and the magnetic heads 12 and 14 to record on the magnetic tape 2 (step S5).

The switch 38 is the system controller 1
When the recorded program input mode signal is received from 00, the contact S side is brought into a connected state and the digital audio signal output from the A / D converter 36 is supplied to the shift register 42. The data comparison device 44 compares the digital audio signal stored in the memory 40 with the digital audio signal input to the shift register 42 for 30 seconds, during which the recording signal processing device 50 records the signal on the magnetic tape 2. (Steps S6 and S7). In this way, while the comparison device 44 is comparing the data, the signal from the tuner 32 is recorded on the tape 2 when, for example, the baseball relay is extended and the start of the program scheduled to be recorded is delayed. This is because, generally, the broadcasting station informs the viewer of that fact, and if this part is recorded, the reason why the program start is delayed can be known.

In step S8, the data comparison device 4
4 is a digital voice signal stored in the memory 40,
When a match with the digital audio signal input to the shift register 42 is detected, a match signal is output to the system controller 100 (YES in step S9). As a result, the system controller 100 causes the recording signal processing device 50 to perform recording as it is, outputs a recording stop signal to the recording signal processing device 50 at the recording end time set by the timer, and ends recording (step S9). And S1
0).

In step S8, the data comparison device 4
4 is a digital voice signal stored in the memory 40,
When it is determined that the digital audio signal input to the shift register 42 does not match, and a mismatch signal is output to the system controller 100, the system controller 100
Outputs a recording pause signal to the recording signal processing device 50 (step S11). Then, the data comparison device 44
Continues to compare the digital audio signal stored in the memory 40 with the digital audio signal input to the shift register 42 (step S12), and when they match (YES in step S13), the match signal is sent to the system. Output to the controller 100. As a result, the system controller 100 outputs a recording pause release signal to the recording signal processing device 50 to cause the recording processing device 50 to perform recording (step S14), and the comparison device 44 starts from the recording end time set in the timer. Output a recording stop signal to the recording signal processing device 50 at a time later than the time when the discrepancy signal continues to be output, and the recording is terminated (steps S9 and S1).
0).

In the embodiment shown in FIGS. 1 and 2, the title music of the broadcast program after the information recording start time set in the timer is compared with the title music stored in the storage means, and both are compared. When the two match, the recording of the broadcast program is started. Therefore, even if the broadcast program to be recorded starts later than the recording start time set in the timer, recording can be started from the scheduled position on the recording medium.

Although the title music of the broadcast program is stored in the above embodiment, the video signal from the tuner such as the title image may be recorded, or both the video signal and the audio signal may be stored. Good.

Although the above embodiment relates to 8 mm video, the present invention is not limited to this and can be applied to various other video tape recorders.

The present invention can be applied not only to television programs but also to radio programs.

[0026]

As is apparent from the above description, according to the information recording apparatus of the present invention, predetermined information of the first video and audio of the broadcast program to be recorded is stored in the storage means, The predetermined information of the video and audio of the broadcast program after the information recording start time set in the timer is compared with the predetermined information of the video and audio stored in the storage means, and both match. At this time, since the information recording means starts recording the broadcast program, even if the broadcast program to be recorded starts later than the recording start time set in the timer, the recording is started from the planned position of the recording medium. You can start. Therefore, the recording medium is not wasted.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of an information recording apparatus of the present invention.

FIG. 2 is a flowchart showing an operation example of the embodiment of FIG.

[Explanation of symbols]

 4 Magnetic Tapes 12 and 14 Magnetic Head 20 Timer Recording Setting Device 32 Tuner 34 Audio Signal Detection Device 40 Memory 44 Data Comparison Device 50 Recording Signal Processing Device 100 System Controller

Claims (1)

[Claims] 1. An information recording means for recording information on an information recording medium, a timer for setting at least an information recording start time, and predetermined information stored in a first video and audio of a broadcast program to be recorded. The storage means compares predetermined information of the video and audio of the broadcast program after the information recording start time set in the timer with the information stored in the storage means, and when both match. An information recording apparatus comprising: a comparison unit that outputs a coincidence signal; and a control unit that causes the information recording unit to start recording the broadcast program when the comparison unit outputs the coincidence signal.