KR0149880B1 - Long time record controlling device and method in home vcr - Google Patents

Abstract

The present invention relates to a long time recording control device and a control method of a general home video cassette recorder to enable a long time recording with a general home video cassette recorder, and to pause and pause from a video multi-recording control device to a general home video cassette recorder. By providing a control signal such as a stop release signal and a recording output signal in time lapse mode, it is possible to record for a long time with a general home video cassette recorder without using a time lapse video cassette recorder, and also to a conventional time lapse video cassette recorder. Inefficient use of tape that occurs during recording and reduced time spent during playback and search.

Description

Long time recording control device and control method of general video cassette recorder

1 is a connection state of a general time-lapse video cassette recorder and a video multi-recording control device.

2 is a tape state recorded by a time lapse video cassette recorder.

3 is a connection state between a long time recording control device and a peripheral device of a general household video cassette recorder according to the present invention.

4 is a block diagram showing an embodiment of a long time recording control apparatus of a general household video cassette recorder according to the present invention.

5 is a flowchart for performing a long time recording control method of a general household video cassette recorder according to the present invention.

6 is a tape state diagram recorded in accordance with the present invention.

* Explanation of symbols for main parts of the drawings

1: Time Lapse VCR 2: Video Multi Recording Control Device

3: general home VCR 4: monitor

10: video signal input unit 20: digital logic control unit

30: signal processor 40, 50: memory

60: signal encoding unit for monitor output 70: signal encoding unit for recording

MICOM: Micom

The present invention relates to a long time recording control apparatus of a video cassette recorder (hereinafter referred to as a VCR) and a control method thereof. More specifically, the present invention provides a time lapse VCR by providing a recording signal in a time lapse mode to a general home VCR. It relates to a long time recording control device and a control method of a general home video cassette recorder capable of performing the function of.

A general frame sequential switcher is a video signal input as a control signal (recording trigger signal) connected to a time-lapse VCR when a long time recording mode of 24 to 720 hours is set as a time-lapse recording mode. The camera outputs the output for recording by sequentially switching and records the frame unit or the field unit among these signals in the Time Lapse VCR. The detailed operation is as follows.

1 is a diagram showing the connection between a general time-lapse VCR and a video multi-recording control device. When a video camera is connected to 4 units and a tape is used for 120 minutes, recording for 72 hours in a long recording mode is performed. When the Time Lapse VCR 1 is set to the 72-hour mode, the Time Lapse VCR outputs a control signal, that is, a recording trigger signal, at intervals of about 4 seconds. Switch once.

This signal is output to the time-lapse VCR 1 as a recording output signal, and the time-lapse VCR 1 records on tape in a field unit or a frame unit.

When four video cameras are connected, the shape recorded on the tape is as shown in FIG. 2, and as shown in FIG. In this case, the video camera is designated as 1, 2,. This is called.

This is because the time-lapse VCR 1 records the tape in the long time recording mode later than the normal VCR and intermittently scans the tape, which is essential for long time recording in the VCR.

In case of monitoring only the desired channel when playing the recorded video like this, 4 video cameras detect the channel identification (hereinafter referred to as ID) code in the video multi-recording control device 2 and output the signal to the monitoring output. Since the recorded interval is recorded 1 frame every 4 seconds, you can monitor every 4 seconds.

If you record 480 hours with four cameras, you can monitor once every 32 seconds or once every 16 seconds.

However, in the conventional technology as described above, since a large number of blank areas are generated in the tape during recording, use of the tape is inefficient, and there is a disadvantage in that a lot of time is required even when retrieving such a tape.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and an object of the present invention is to provide a general VCR with a control signal such as a recording signal of a time lapse mode and a pause and pause release signal, thereby providing a function of a time lapse VCR for a home VCR. The present invention provides a long time recording control apparatus and a control method of a general home video cassette recorder.

In order to achieve the above object, the present invention is characterized in that, in a long time recording control apparatus for a video signal, a microcomputer controls a system according to various function selection key inputs, and is connected to the microcomputer to control a function selection key. A video signal input unit for outputting a video camera video signal or a playback signal according to an input; and generating an ID code if the output signal of the video signal input unit is connected to the microcomputer and the video signal is a video camera video signal, and output signal of the video signal input unit. Is a reproduction signal, a digital logic control unit for detecting an ID code, a signal processing unit connected to the video signal input unit and a digital logic control unit, and processing an output signal of the video signal input unit under control of the digital logic control unit, and the digital signal. The digital logic controller connected to a logic controller and a signal processor A memory unit for storing a monitor output signal and a recording signal according to a control; a monitor output signal encoding unit connected to the memory unit and encoding an output signal of the memory unit; and a digital logic control unit and a memory unit connected to the memory unit. A long time recording control apparatus of a general home video cassette recorder comprising a recording signal encoding section for encoding a signal from a section and combining the ID code generated by the digital logic control section with the signal.

According to another aspect of the present invention, in the long time recording control method of a video signal, an initializing step of initializing the system, determining whether an alarm signal has been generated from the video camera, and alarming if the alarm signal has been generated at the above step In this situation, the alarm recording step of intensively recording the video of the video camera in which the alarm occurred for the time set at the time of system initialization, and the mode set by the step and the various function selection keys are determined if there is no alarm occurrence in the step. Determining whether it is a time lapse mode; a normal recording step of sequentially recording video signals of a connected video camera if it is determined that the time lapse mode is not; Cut off the video signal from the video camera for the preset time. A long time recording control method of a general home video cassette recorder comprising a time-lapse recording step of recording while illuminating.

Hereinafter, a preferred embodiment of a long time recording control method of a general household video cassette recorder according to the present invention will be described in detail with reference to the accompanying drawings.

3 shows a connection state of a long time recording control device and a peripheral device of a general home video cassette recorder according to the present invention, and the video multirecord control device 2, that is, a long time recording control device of this general home video cassette recorder, A plurality of video cameras are connected, and the video multiplex recording control device 2 is connected to the video multiplex recording control device 2 in accordance with a recording output signal and a control signal such as a pause and a pause release signal. And a general home VCR 3 for recording in time-lapse mode, and a monitor 4 on which a signal for the monitor is displayed is also connected.

4 is a block diagram of a long time recording control apparatus for a general home video cassette recorder according to the present invention, and the function is selected by the control of the MICOM to the MICOM controlling the system according to the input of various function selection keys. The video signal input unit 10 for outputting video signals or play back signals from a plurality of video cameras is connected in response to a key input.

The MICOM generates an ID code when the output signal of the video signal input unit 10 is a video camera video signal, and detects an ID code when the output signal of the video signal input unit 10 is a playback signal. The digital logic controller 20 is connected.

On the other hand, the image signal input unit 10 and the digital logic controller 20 is connected to the signal processor 30 for processing the output signal of the image signal input unit 10 under the control of the digital logic control unit 20, The digital logic control unit 20 and the signal processing unit 30 connect the memory units 40 and 50 storing the monitor output signal and the recording signal under the control of the digital logic control unit 20.

The memory unit 40 is connected to a monitor output signal encoding unit 60 for encoding an output signal of the memory unit 40, and the digital logic control unit 20 and the memory unit 50 are connected to the memory unit 50. And a recording signal encoding unit 70 for synthesizing and outputting an ID code generated by the digital logic control unit 20 to the signal.

5 is a flowchart for performing a long time recording control method of a general home video cassette recorder according to the present invention, performing an initialization step (S10) of initializing a system, and determining whether an alarm signal is generated from a video camera. In operation S20, if it is determined that the alarm signal is generated in step S20, an alarm recording step of intensively recording an image of the video camera in which the alarm has occurred for the amount of time set at the time of system initialization under the alarm occurrence condition (S30). ).

If it is determined in step S20 that there is no alarm, a step S40 of determining whether the mode set by the step S10 and various function selection keys is a time lapse mode is performed, and the time is determined in step S40. If it is determined that the mode is not in the lab mode, a general recording step (S50) of sequentially recording video signals of the connected video camera is performed.

In addition, when it is determined in the step S40 that the time lapse mode, the time-lapse recording step (S60) for recording while switching the video signal from the video camera by the time-lapse setting time.

The time lapse recording step (S60) is a step (S61) for determining whether the current time and the time lapse setting time is identical, and if it is determined in step S61 that the current time and the type lapse setting time does not match the time lapse Counting the time-lapse setting time until the set time is equal to the current time (S62), and if it is determined in step S61 that the current time and the time-lapse setting time is the same, the VCR date and time set in the initialization step (S10) Canceling the stop function (S63), switching the video signal from the video camera in order, and reading and writing the video signal to the memory unit 50 in units of frames (S64); 1), and outputting a recording signal (S65), and after performing the step (S65), the step of pausing the VCR again (S66).

As shown in FIG. 3, the present invention outputs a recording signal in a time-lapse mode from a video multi-recording control device 2 to a general home VCR 3, and outputs control signals such as pause and pause release signals. To allow the general home VCR 3 to record in the time lapse mode, and the video multi-recording control device 2 outputs control signals such as pause and pause release signals to the general home VCR 3, An operation of outputting the recording output signal in the time lapse mode will be described in detail with reference to FIG.

First, a signal input to the video signal input unit 10 is a video signal obtained by imaging of a video camera or a playback signal from a VCR, which is output by the control of the MICOM according to the input of an external possible selection key. The signal processing unit 30 converts the signal output from the video signal input unit 10 into a digital signal, and performs various processing for writing the signal into the memory units 40 and 50, wherein the signal processing is performed. Is performed according to the control signal of the digital logic control unit 20.

Meanwhile, the digital logic controller 20 generates an ID code in the case of a video camera input signal in association with MICOM and detects an ID code in the case of a playback signal.

The signal processed by the signal processing unit 30 is input to the memory unit 40 in which the monitor output signal is stored and the memory unit 50 in which the recording signal is stored. Read and Write are performed by the control of the digital logic control unit 20.

The signal output from the memory unit 40 under the control of the digital logic control unit 20 is input to the monitor output signal encoding unit 60, is converted into an encoding and analog signal, and output as a monitor output signal to the monitor 4. Is displayed.

The signal output from the memory unit 50 under the control of the digital logic control unit 20 is encoded by the recording signal encoding unit 70 and converted into an analog signal and output. The signal is output to the digital logic control unit 20. It is synthesized with the channel ID code generated in) and used to view only the desired channel during playback.

The difference between the signals output from the digital logic controller 20 to the memory units 40 and 50 is as follows. First, the signal output to the memory unit 40 is read and controlled by the switching time set in the MICOM, and the signal output to the memory unit 50 is read in the time lapse time when the time lapse mode is selected. When the write is controlled and the signal output to the memory unit 50 is in the time lapse mode, the signal is read and written in the time lapse time. When an external alarm occurs, the signal is read and written in the corresponding time. Lead and write in units.

If the time-lapse mode is set, the digital logic controller 20 reads the signal output from the memory unit 50 to the digital logic controller 20 after the general home VCR (3) control with the pause control signal, By reading and outputting the recording signal, the no-signal gap between channels of the existing time-lapse VCR is eliminated.

On the other hand, when the recorded signal is reproduced and monitored, it is output through the video signal input unit 10, the signal processing unit 30, the memory unit 40, and the monitor output signal encoding unit 60, wherein the function selection key is used. Selection of the input channel is performed by the MICOM controlling the digital logic control unit 20 and detected by the ID code and the signal processing unit 30 in the signal output from the digital logic control unit 20 to the signal processing unit 30. Only when the ID codes match, the digital logic controller 20 may monitor the signal of the desired channel by writing the signal to the memory unit 40 by the signal output from the memory unit 40.

The recorded signal is recorded on the VCR tape as shown in FIG. 6, and as shown here, the time interval of 4 seconds in the conventional method as shown in FIG. 2 is reduced to 4/30 seconds (72 hours mode, video camera 4). For large connections).

On the other hand, the long time recording control method of the general home video cassette recorder to control the general home VCR (3) by the above operation is performed by a program stored in the MICOM, the operation is as follows.

First, in the initialization step (S10) of initializing the system, if the time lapse mode is set, the VCR is paused, and when the alarm occurs, the time for recording the video of the video camera where the alarm occurs is set. In operation S20, it is determined whether an alarm signal is generated in the video camera. This alarm signal is generated in the following path.

First, when the infrared sensor attached to the video camera detects an external intruder, the alarm in the video camera generates an alarm signal, and the MICOM detects the alarm signal.

If it is determined in step S20 that the alarm has occurred, the alarm recording step (S30) for intensively recording the video of the video camera where the alarm has occurred for the time set at the time of system initialization under the alarm occurrence is performed to record the output. .

If it is determined in step S20 that no alarm has occurred, the process proceeds to step S40 to determine whether the mode set by the step S10 and various function selection keys is a time-lapse mode. If it is determined in the step S40 that the time-lapse mode is not determined, the normal recording step S50 of sequentially recording the video signals of the connected video cameras is performed.

On the other hand, if it is determined that the time lapse mode in step S40, it is determined in step S61 whether the current time and the time lapse setting time coincide.

If it is determined in step S61 that the current time and the time lapse setting time do not coincide, the type laps setting time is counted until the time lapse setting time coincides with the current time in step S62. For example, if four video cameras are connected in the 72-hour mode, the paths of steps S62 and S61 are repeated once every four seconds.

If it is determined in step S61 that the current time and the time lapse setting time coincide, the VCR pause function set in the initialization step S10 is released in step S63.

After performing step S63, the video signals from the video camera are switched in order, and the recording signals are extracted from the memory unit 50 in units of frames to output the recording signals (steps S64 and S65). After the step S65 is performed, the VCR is paused again in step S66.

As described above, the present invention eliminates the no-signal gap between the channels by controlling the general home VCR 3 as a pause control signal and outputting a recording signal while performing the above steps.

As described above, the present invention outputs a control signal such as a recording output signal of a time lapse mode and a pause and pause release signal to a general home VCR, so that the effect of a time lapse VCR can be obtained with a general home VCR. During playback, the video is played back and monitored once every 30 seconds to reduce the efficiency of the tape during recording of the existing Time Lapse VCR and to reduce the time wasted in searching.

Claims (3)

In a long time recording control apparatus of a video signal, a microcomputer (MICOM) for controlling a system according to various function selection key inputs, and connected to the microcomputer (MICOM) and according to the input of a function selection key under control of the microcomputer (MICOM) A video signal input unit 10 for outputting a video camera video signal or a playback signal, and an ID code when the output signal of the video signal input unit 10 is connected to the MICOM and is a video camera video signal. When the output signal of the video signal input unit 10 is a reproduction signal, the digital logic control unit 20 detects an ID code, and the video signal input unit 10 and the digital logic control unit 20 are connected to the digital logic control unit 20. Is connected to the signal processing unit 30 for processing the output signal of the image signal input unit 10, the digital logic control unit 20 and the signal processing unit 30 according to the control of the Under the control of the fisherman 20, the memory unit 40 and 50 storing the monitor output signal and the recording signal are connected to the memory unit 40 and encoding the output signal of the memory unit 40. It is connected to the signal output unit 60 for monitor output, the digital logic control unit 20 and the memory unit 50, and encodes a signal from the memory unit 50 and generates the signal in the digital logic control unit 20. Long time recording control device of a general home video cassette recorder composed of a recording signal encoding unit 70 for synthesizing the outputted ID code. In the long-term recording control method of the video signal, the initialization step (S10) for initializing the system, the step of determining whether the alarm signal is generated from the video camera (S20), and determines that the alarm signal has been generated in the step (S20) Alarm recording step (S30) for intensively recording the video of the video camera in which the alarm occurs as the time set at the time of system initialization under the alarm occurrence situation, and if it is determined that there is no alarm occurrence in the step (S20) S10) and determining whether the mode set by the various function selection keys is the time lapse mode (S40), and if it is determined that the time lapse mode is not the time lapse mode (S40), the video signal of the connected video camera is sequentially recorded. In the normal recording step (S50), and if it is determined that the time lapse mode in the step (S40), the video recording from the video camera by the time lapse setting time How long recording time-lapse recording of the control step (S60) in general household video cassette recorder comprising a switch for going to record the image signal. The time lapse recording step (S60) of claim 2, the step (S61) of determining whether the current time and the time lapse setting time coincides, and the current time and the time lapse setting time coincides with the step (S61) If it is determined that the time lapse setting time is equal to the current time (S62), and if it is determined in step S61 that the current time and the time lapse setting time is equal to the initialization step (S62) Releasing the VCR pause function set in step S10, and switching the video signal from the video camera in order, and reading and writing the video signal to the memory unit 50 in units of frames (S64). And, after performing step S64, outputting a recording signal (S65), and after performing step S65, stopping the VCR again (S66). Long time recording control method.