KR200254361Y1 - Multi-output screen-divider with alarm means - Google Patents

Abstract

The present invention relates to a multi-output screen splitter having an alarm means, comprising: a first converter converting an analog video signal input from at least two video cameras into a digital signal, and a plurality of video signals output from the first converter A signal processing unit including a first processing unit which performs a signal processing so as to be displayed on a screen, a second processing unit which performs a different processing from the first processing unit, and a third processing unit which detects movement of an image, a first processing unit and a second processing unit The first and second storage units for storing the video output signals of the first and second storage units, and the second and second converters and the second converter for converting the output signals into analog video signals, respectively. An output selector for selectively outputting any one of two signals input by using an output signal and an external signal as an input, an output selector And a display unit for receiving and displaying a video output signal of a control unit, a control unit for controlling the processing of the signal processing unit and an output selection unit, and an alarm unit for notifying that the third processing unit has detected movement of the image, and outputting various signals according to a user's selection A multi-output screen splitter having an alarm means for displaying a screen and detecting a motion of the image and informing a user is provided.

Description

Multi-output screen-divider with alarm means

The present invention relates to a screen splitter that displays a plurality of input images on a single monitor in a split screen. More specifically, the output of the screen splitter can be variously selected by processing a plurality of input video signals. The present invention also relates to a multi-output screen splitter having alarm means for detecting and displaying a motion on the image.

A conventional screen splitter converts images input from a plurality of cameras monitoring the surroundings into digital signals by an A / D converter, and then converts the plurality of input video signals onto a single monitor screen by a DSP dedicated chip. By processing the signal so that it can be simultaneously displayed on as many divided screens, and converting the signal-processed signal into an analog video signal by the D / A converter, it is inputted from a plurality of cameras to one monitor without the need for multiple monitors. Display the video.

However, in this case, by displaying a plurality of video signals by the same processing, it is not possible to output the video signal input from a specific camera while at the same time outputting the video signal for the whole, the alarm means for notifying the movement of the image is inappropriate there was.

An object of the present invention for solving the above problems is to display a variety of output by performing a plurality of signal processing for the video signal input from the camera, and has an alarm means that can detect the motion of the image and inform the user It provides a multi-output splitter.

Another object of the present invention is to provide a multi-output screen splitter having alarm means capable of selectively outputting an image signal stored in a storage unit to display a specific image previously recorded.

1 is a block diagram of a multiple output splitter with alerting means in accordance with an embodiment of the present invention;

In order to achieve the above object, the multi-output screen splitter having an alarm means according to the present invention includes a first converter for converting an analog video signal input from at least two video cameras into a digital signal; A first processor which performs signal processing so that a plurality of image signals output from the first converter are displayed on one screen, a second processor which performs a different process from the first processor, and detects the movement of the image A signal processor including a third processor; A first storage unit to store an image output signal of the first processor; A second storage unit which stores an image output signal of the second processor; A second converter which converts an output signal of the first processor and the second processor into an analog image signal, respectively; An output selector configured to selectively output one of the two input signals by inputting an image output signal separate from the image output signal of the second converter; A display unit configured to receive and display an image output signal of the output selector; A control unit controlling the processing of the signal processing unit and the output of the output selection unit; And alarm means for notifying that the third processor detects the movement of the image, wherein the controller synchronizes the first converter, the signal processor, and the second converter, and the signal processor according to a user's selection. The controller is configured to output only one signal of the plurality of image signals input without performing a specific process, and when the third processor detects the movement of the image, the controller controls the image in which the signal processor detects the movement. And control only to output a signal to the second display unit.

With this configuration, it is possible to display screens divided by the number of video cameras and to display various other screens, and to detect and inform the user of the movement of an image input from the video camera.

In addition, another aspect of the present invention is characterized in that the control unit controls to display the image signal stored in the first storage unit and the second storage unit to the first display unit and the second display unit.

With such a configuration, in addition to the current video signals input from the plurality of video cameras, it is possible to reproduce and display the specific video signals previously input.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

1 is a block diagram of a multi-output screen splitter according to an embodiment of the present invention. As shown in FIG. 1, the multi-output screen splitter according to the present invention includes an A / D conversion unit 11 to 14 for converting video inputs 1 to 4 input from a surveillance video camera (not shown) into digital signals; Signal processing unit 20 for processing the video output signal of the A / D conversion unit (11 to 14), first and second storage unit (31, 32) for storing the video output signal of the signal processing unit 20, the signal D / A converters 41 and 42 for converting the output video signal of the processing unit 20 into analog video signals, and input external signals such as VTR and video output signals of the D / A converters 41 and 42. An output selector 50 for selectively outputting any one of the two signals, first and second display parts 61 and 62 and a key input part 70 for receiving and displaying an image output signal of the output selector 50. ), The microcomputer 80 controlling the processing of the signal processing unit 20 and the output of the output selection unit 50, and the movement of the image are detected. Inform comprises a buzzer (90).

The A / D converters 11 to 14 convert analog video signals input from a plurality of video cameras such as surveillance cameras into digital signal types so that the signal processor 20 can process them. The video signal converted into a digital signal form by the A / D converters 11 to 14 includes a luminance signal Y, a color signal Cb, Cr, a synchronization signal sync, and the like.

The signal processor 20 receives a digital output signal of the A / D converters 11 to 14 as inputs, and performs a four-segmentation process of the video signal so that the four-segmented screen can be displayed on the first display unit 61. A processing unit 21, a second processing unit 22 for performing a process for outputting an image signal different from the first display unit 61 to the second display unit 62, and a third processing unit for detecting movement of the image. do. The second processing unit 22 may perform different image processing for each screen, for example, two-division processing different from the four-division processing of the first processing unit 21. In addition, the third processor 23 compares the signals stored in the first and second storage units with the signals input from the A / D converters 11 to 14, and changes the motion detection signal to the micropro computer 80 when there is a change. ) The signal processor 20 may be configured as a DSP dedicated chip having a one-chip type including a first processor 21, a second processor 22, and a third processor 23. The output signal at 20 includes the luminance signal Y, the color signals Cb and Cr, the synchronization signal sync, and the like, similarly to the output signals of the A / D converters 11 to 14.

The first and second storage units 31 and 32, such as the SD-RAM, store respective signals processed by the first and second processing units 21 and 22, and these signals are stored in a microcomputer according to a user's selection. 80 may be output to the first and second display units.

The D / A converters 41 and 42 convert the digital output signals of the first and second processing units 21 and 22 into analog signals for display by the first and second display units 61 and 62.

The output selector 50 receives an analog video signal from the D / A converters 41 and 42, receives an external signal such as a different VTR, and performs D / A conversion under the control of the microcomputer 80. One of the output signals of the units 41 and 42 and the external input signal are selected and output to the first and second display units, respectively.

The first display unit 61 displays a quadrant screen or an external input signal processed by the first processing unit 21, and the second display unit 62 displays an image signal or external processing processed by the second processing unit 22. Display the input signal. The first and second display sections 61 and 62 include a display device such as a general monitor.

The microcomputer 80 controls the respective processing of the signal processing unit 20 and the output selection of the output selection unit 50, and the A / D conversion units 11 to 14, the signal processing unit 20, and the D / A conversion. The sections 41 and 42 are synchronized. In addition, when the user selects to output only one screen input from each video camera through the key input unit 70 to the first and second display units 61 and 62, the microcomputer 80 displays the first and second display units. When 61, 62 controls to display only the selected signal among the output signals of the A / D converters 11 to 14, and the third processor 23 detects the movement of the image and outputs a motion detection signal. In addition, the buzzer 90 is controlled to ring, and at the same time, the signal processor 20 controls to output only the image signal from which the motion is detected to the second display unit 42.

Hereinafter, the main operation of the multi-output screen splitter according to the present invention having such a configuration will be described.

First, when the user selects the first display unit 61 to display the four-split screen and the second display unit 62 to display the two-split screen through the key input unit 70, the user controls the microcomputer 80. Thus, the first processing unit 21 divides each signal input from the A / D conversion units 11 to 14 into four divisions, and the second processing unit 22 selects any two of the same input signals and divides it into two divisions. The output selector 50 outputs an input from the D / A converters 41 and 42. Therefore, the first display unit 61 may display the screen divided into four, and the second display unit 62 may display the divided screen.

Next, when the user selects the first display unit 61 or the second display unit 62 to display one screen through the key input unit 70, the signal processing unit 20 is controlled by the microcomputer 80. Outputs only one signal selected from the output signals of the A / D converters 11 to 14 to the first display unit 61 or the second display unit 62 without performing a special process. Accordingly, the first display unit 61 or the second display unit 62 may display only the screen selected from the video input of the surveillance camera.

Next, when the user selects the first display portion 61 or the second display portion 62 to display an external input signal such as a VTR or a television different from the input signal from the surveillance camera through the key input portion 70, the microcomputer By the control of 80, the output selection unit 50 selects the external input signal and outputs it to the first display unit 61 or the second display unit 62. Accordingly, the first display unit 61 or the second display unit 62 may display an external input signal such as a VTR.

Next, when the user selects the first display portion 61 or the second display portion 62 to display the previous video signal input from the surveillance camera through the key input portion 70, under the control of the microcomputer 80 The signal processor 20 outputs the previous image signal stored in the first and second storage units to the first display unit 61 or the second display unit 62. Accordingly, the first display unit 61 and the second display unit 62 may display the video signal previously input from the surveillance camera.

Next, when the third processing unit detects the motion of the image input from the monitoring camera, the third processing unit 23 outputs the motion detection signal, and under the control of the microcomputer 80, the buzzer 90 rings and at the same time The signal processor 20 outputs only the image of which motion is detected, and the second display unit 62 displays only the image of which motion is detected.

Although the present embodiment has been described with respect to the four-division process, it can be processed to be divided by the number of surveillance cameras, and the two-division process is described as another process by the second processing unit 22. Image processing can be performed.

According to the present invention, by processing a plurality of video signals inputted by a plurality of surveillance cameras, etc., a screen divided by the number of surveillance cameras can be displayed and a variety of different image processed screens can be provided.

In addition, according to the present invention, by including a processor and an alarm means for detecting the movement of the image input from the surveillance camera, it is possible to inform the user of the alarm signal and display only the motion image signal.

Further, according to the present invention, by additionally inputting an external input signal such as a VTR other than the surveillance camera, it is possible to display other necessary data and the like while displaying an image of the current situation input by the surveillance camera.

In addition, according to the present invention, by including the first and second storage for storing the video signal processed by the signal processor or the video signal output from the A / D converter, it is possible to reproduce and display the previously processed video signal have.

Claims (2)

A first converter converting an analog image signal input from at least two video cameras into a digital signal; A first processor which performs signal processing so that a plurality of image signals output from the first converter are displayed on one screen, a second processor which performs a different process from the first processor, and detects the movement of the image A signal processor including a third processor; A first storage unit to store an image output signal of the first processor; A second storage unit which stores an image output signal of the second processing unit; A second converter which converts an output signal of the first processor and the second processor into an analog image signal, respectively; An output selector configured to selectively output one of the two input signals by inputting an image output signal separate from the image output signal of the second converter; A display unit configured to receive and display an image output signal of the output selector; A control unit controlling the processing of the signal processing unit and the output of the output selection unit; And An alarm means for informing that the third processing unit has detected movement of the image, The control unit synchronizes the first converter, the signal processor, and the second converter, and outputs only one signal of the plurality of video signals inputted without performing a specific process by the signal processor according to a user's selection. And when the third processor detects the movement of the image, the controller controls the signal processor to output only the image signal in which the movement is detected to the second display unit. Output Splitter. The multi-output screen splitter according to claim 1, wherein the controller controls to display the image signals stored in the first storage unit and the second storage unit on the first display unit and the second display unit.