KR0147980B1 - Recording control method for vcr - Google Patents

Abstract

The present invention relates to a recording control method of a video cassette recorder, and to a recording control method of a video cassette recorder for performing recording by selectively turning on / off a VHS INDEX SEARCH SYSTEM (VISS) function during recording. It is about.

The present invention having this object selectively records the vis signal during recording according to whether the vis-on key is pressed in the reserved recording mode.

That is, when the VisOn key is pressed and the scheduled recording start time is reached, recording starts and the vis signal is recorded on the bottom of the video tape and recording is performed until the scheduled recording end time. When the recording start time is reached, the recording is started without recording the vis signal at the bottom of the video tape and recording is performed until the scheduled recording end time.

Therefore, the present invention has the effect that the program search of the series aired continuously can be easily performed.

Description

How to control recording on a video cassette recorder

1 is a block diagram showing the configuration of a video cassette recorder according to the present invention;

2 is a flowchart for performing a recording control method of a video cassette recorder according to the present invention.

* Explanation of symbols for main parts of the drawings

10: Vis generation unit 20: Counter unit

30: switching unit 40: control unit

50: control head 60: control command granting unit

The present invention relates to a recording method of a video cassette recorder (hereinafter, abbreviated as VSI), and more particularly, to record by selectively turning on / off a VHS INDEX SEARCH SYSTEM (VISS) function during recording. It relates to a recording control method of a video cassette recorder to perform the.

In general, VRC has a recording function for recording a composite video signal applied from a tuner or a signal input from the outside to a magnetic tape, and a playback function for reproducing a composite video signal recorded on a magnetic tape and displaying the same on a monitor of a television. .

That is, in a method of recording a signal on a video tape, a composite video signal input from a tuner is separated into an audio signal, a video signal, and a vertical sync signal in each of the signal separators, and each of the separated signals is corresponding to each corresponding signal. It is provided to each head, for example, an audio head, an image head, and a control head, through another signal processor (not shown). Thus, each audio head and video head records each input signal on a video tape.

On the other hand, the control head records a 30 Hz control signal in which the vertical synchronizing signal of the video signal provided through the signal separation unit is divided in half at the lower end of the video tape, that is, the CTL track 0.75 mm.

As described above, the VHS Index Search System (VISS), which is used for recording a V-seal, is a VHS Uniform Index (INDEX) signal. It is possible to quickly find the screen you want when you navigate through the screen.

In other words, the vis signal is the address of a program recorded on the videotape, for example, in the case of ultra-short reservation and scheduled recording, this vis signal is automatically recorded at the bottom of the videotape by the control head. Thus, until now, when the recording, the vis signal is automatically recorded at the beginning of the recorded program of the videotape, so that the desired scene can be quickly searched as described above.

However, in the conventional V-seal recording function, the vis signal is automatically recorded at the beginning of the program to be recorded as described above. Thus, for example, if a series program such as TV drama or cartoon is continuously scheduled and recorded, the recording is performed. Each time a vis signal is recorded at the beginning of the program.

Therefore, when playing such a series program, it is inconvenient to operate the Vis function key for the number of times recorded in order to search for the first recorded portion.

In other words, when recording and playing back a program that is aired continuously for three days, the first recorded part of the program could be searched only when the biskey was operated three times in order to search for the first time aired program.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and an object of the present invention is to record a V-CAL to facilitate searching for a recorded program by selectively recording a service signal when recording a series program that is continuously aired. To provide a control method.

According to an aspect of the present invention, there is provided a method of reserve recording a program of a series that is continuously broadcasted, the method comprising: a first step of determining whether a bis-on key is pressed in a mode for reserve recording a program of the series; A second step of determining whether a scheduled recording start time occurs if the vis-on key is pressed; A third step of recording a Vis signal at the beginning of the recording if the scheduled recording starts, and then recording the recording until the scheduled recording ending time; A fourth step of counting a current time if the bis-on key is not pressed; And a fifth step of performing recording until the reserved recording end time without recording the service signal when the counted time and the reserved recording start time are the same.

Other objects and other features of the present invention will become more apparent from the preferred embodiments of the present invention described below with reference to the accompanying drawings by those skilled in the art.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

As shown in FIG. 1, the VRC controlling the vis function according to an exemplary embodiment of the present invention includes a vis generation unit 10, a counter unit 20, a switching unit 30, a control unit 40, and a control head. It consists of 50 and the control command application part 60. As shown in FIG.

First, as described above, the vis generation unit 10 records the vis signal at the start of the image signal recording as the address of a program in which the image signal is recorded, so that the desired scene can be searched at high speed.

The control command applier 60 for applying a VRC operation control command by the user is composed of ordinary key metrics, and includes a playback key, a recording key, and the like for controlling the operation of the VRC. A bis on / off key for carrying out the present invention is provided.

The control unit 40 outputs a control signal corresponding to a predetermined key signal provided from the control command applying unit 60. When a signal for the reserved recording key and the non-on key is input from the control command applying unit 60, The switching unit 30 that selectively performs service recording is controlled.

That is, the controller 40 controls the video signal input from the tuner to be divided into an audio signal, a video signal, and a vertical synchronization signal when the signals for the reserved recording key and the non-on key are input from the control command applying unit 60. At this time, the separated audio signal and the image signal are respectively provided to the audio head and the image head through corresponding signal processing units (not shown), respectively, and recorded on the video tape. The vertical synchronization signal provided through the signal processing unit is provided to the counter unit 20 as shown in the figure.

In addition, the control unit 40 controls to provide a vis signal of the vis generation unit 10 to the switching unit 30 when a signal for the reserved recording key and the vis on key is input from the control command applying unit 60, and the counter The unit 20 divides the input vertical synchronizing signal by 1/2, and counts the divided vertical synchronizing signal to provide it to the switching unit 30.

That is, the switching unit 30 receives the vis signal provided from the vis generation unit 10 and the vertical synchronization signal divided and provided from the counter unit 20, and at this time, is provided from the counter unit 20. The divided vertical synchronizing signal is provided directly to the control head 50 irrespective of the signal from the control unit 40. However, the switching unit 30 receiving the vis signal provided from the vis generation unit 10 selectively provides the vis signal to the control head 50 according to the switching control signal output from the control unit 40.

Accordingly, when the controller 40 reserves a continuous series of programs and does not receive a signal for the vis on key from the control command applying unit 60, the controller 40 outputs a low level logic signal to the switching unit 30 to generate a vis. The vis signal output from the unit 10 is cut off so that the vis signal is not recorded on the lower end of the video tape. In addition, the control unit 40 outputs a high level logic signal to the switching unit 30 when a signal for the vis on key is input from the control command applying unit 60, and the vis signal and counter provided from the vis generation unit 10. The vertical synchronization signal provided from the unit 20 is provided to the control head 50. Therefore, the control head 50 records the vertical synchronizing signal and the vis signal provided from the vis generator 10 and the counter 20 at the lower end of the video tape.

At this time, those skilled in the art will readily understand that the logic signal output from the controller 40 may be set differently in system design.

2 is a flowchart for performing a recording control method of a video cassette recorder according to the present invention, which will be described in detail with reference to the drawings shown in FIG.

First, the controller 40 determines whether the reserved recording mode is in operation 20. As a result of the determination, it returns to the non-reserved recording mode, and if the reserved recording mode is reached, the process proceeds to step 21 to determine whether a signal for the vis on key is provided from the control command applying unit 60.

As a result of the determination, if the vis-on key is not pressed, the process proceeds to step 29. When the vis-on key is pressed, the vis signal is recorded at the lower end of the magnetic tape as in the conventional reserved recording mode.

At this time, the controller 40 proceeds to step 22 and determines whether the reservation recording start time has come. As a result of the determination, if the scheduled recording start time has not been reached, the process proceeds to step 25. If the scheduled recording start time has been reached, the process proceeds to step 23 to start recording and records the Vis signal at the bottom of the video tape.

In step 24, recording is performed until the preset scheduled recording end time and the recording is ended.

On the other hand, in step 22, if the reservation recording has not started, the controller 40 proceeds to step 25 to count the current time. The controller 40 proceeds to step 26 and determines whether the current time counted in step 25 is a reserved recording start time. If it is determined that the counted current time is not the scheduled recording start time, the flow returns to step 25 and continues counting the current time. If the counted current time is the scheduled recording start time, the flow proceeds to step 27.

Therefore, since the scheduled recording start time has been reached, the controller 40 proceeds to step 27 to start recording without recording a vis signal at the bottom of the video tape, and proceeds to step 28 to record until the set scheduled recording end time. And exit.

As described above, the recording control method according to the present invention has the effect that it is possible to easily record the vis signal on the video tape during recording, thereby facilitating the program search of the series continuously broadcast.

Claims (1)

11. A method for reserved recording of a program of a series that is continuously aired, the method comprising: a first step of determining whether a vis-on key has been pressed if the mode is to reserve recording a program of the series; A second step of determining whether a scheduled recording start time occurs if the vis-on key is pressed; A third step of recording a service signal at a recording start part and recording until the scheduled recording end time if the scheduled recording start time occurs; A fourth step of counting a current time if the bis-on key is not pressed; And recording if the counted time and the reserved recording start time are the same, recording until the reserved recording end time without recording a vis signal.