KR19990012794U - Video Camera Video Recording Control Device of Tele Video - Google Patents

Abstract

The present invention relates to a video camera video recording control device of a tele video. When a surveillance system is constructed by combining a video camera and a tele video, the point of the surveillance video captured by the video camera is designated by a cursor and the image of the designated point is enlarged. A remote controller 30 for specifying a cursor on a point of the surveillance image captured by the video camera 10 and a cursor control unit in response to the cursor designation from the remote controller 30 so as to be recorded on the videotape in a normal state. A control unit 32 for controlling the positional displacement of the cursor on the CRT apparatus by controlling 46; and expanding the video portion of the point specified by the cursor in the surveillance image captured by the video camera under the control of the control unit 32; And a video recording / reading section 44 for recording and reproducing the video tape T by the VCR function.

Description

Video Camera Video Recording Control Device of Tele Video

The present invention relates to a video recording control apparatus of a video camera of a tele video, and more particularly, when a surveillance system is constructed by connecting a video camera to a tele video, an important point among video signals captured by the video camera is enlarged to provide good clarity. The present invention relates to a video camera video recording control apparatus of a tele video for recording a video in a state of having.

As is well known, a television performs a function of reproducing a video / audio signal of a broadcast program transmitted from a broadcasting station and displaying it on a CRT device, and a video tape recorder reproduces a video / audio signal recorded on a videotape. The reproduced video / audio signal is output through the CRT device provided in the.

Accordingly, televisions and video tape recorders are typically interconnected by video / audio cables to reproduce video / audio signals of broadcast programs or video / audio signals of video tapes by video tape recorders.

However, considering that the structure of reproducing a video / audio signal of a broadcast program or reproducing a video / audio signal from a video tape by connecting a separate television and a video tape recorder with a video / audio cable is recently complicated, There is a so-called 'tele video' in which a TV function for playing a broadcast program and a VCR function for playing a video tape are unified.

In addition, in recent years, the surveillance system is connected to a televideo 20 by connecting a video camera 10 installed in an entrance or an area requiring surveillance using a video / audio playback function of a television for a security function. It is assumed that it is configured.

Therefore, in the case of such a surveillance system, the surveillance image captured by the video camera 10 can be recorded on the video tape by the VCR function of the televideo and later played back to confirm the surveillance target (for example, a visitor or surveillance zone). .

However, in the case of the surveillance system illustrated in FIG. 1, when the surveillance image of the imaging range of the video camera 10 is applied to the tele video and recording is performed, the image captured according to the imaging distance of the video camera 10. There is a problem that the perspective of is changed, and therefore, the sharpness and precision of the surveillance image captured by the video camera 10 tend to be degraded.

The present invention has been made in view of the above-mentioned circumstances. When a surveillance system captured by a video camera is recorded on a video tape by combining a video camera and a tele video, an important point in the surveillance image is enlarged and recorded. It is an object of the present invention to provide a video camera video recording control device of a tele video to improve the sharpness and precision of the surveillance video.

In order to achieve the above object, according to a preferred embodiment of the present invention, in a surveillance system configured by combining a video camera with a tele video having a TV function and a VCR function, the point of the surveillance image captured by the video camera cursor A remote control for designating, a control unit controlling a cursor control unit in response to the cursor designation from the remote control unit so that the position displacement of the cursor is executed on the CRT apparatus, and a cursor specified in the surveillance image captured by the video camera under the control of the control unit There is provided a video camera image recording control apparatus for a tele video including a video recording / reading unit for enlarging and processing a video portion of a point to record and reproduce on a video tape by the VCR function.

According to the video camera video recording control apparatus of the tele-video according to the present invention of the above-described configuration, when the point of the surveillance video captured by the video camera is specified by the remote control, only the surveillance video portion of the point designated by the remote controller Under the control of the control unit, the video recording / reading unit is processed in an enlarged state and recorded / played back on the video tape, so that the sharpness and precision of the surveillance image by the video camera are remarkably improved.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view for explaining an outline of a surveillance system constructed by connecting a video camera to a tele video having a general TV function and a VCR function for handling a video tape.

2 is a schematic block diagram of a tele video including a video camera video recording control apparatus according to the present invention;

3 is a view illustrating an image enlargement recording process by the video camera image recording control apparatus of a tele video according to the present invention.

* Description of the symbols for the main parts of the drawings *

T: video tape, 10: video camera,

20: televideo, 30: remote control,

32: control unit, 34: image IF processing unit,

36: image switching unit, 38: image processing unit,

40: CRT device, 42: tape driving mechanism,

44: video recording / reading section, 46: cursor control section,

50: Cursor.

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

2 is a block diagram showing a schematic configuration of a tele video including a video camera video recording control apparatus according to the present invention. In the figure, reference numeral 30 denotes to selectively set the entire function assigned to the corresponding televideo or to set the surveillance mode by the surveillance system illustrated in FIG. 1 and to capture by the video camera 10 in the surveillance mode. A remote control for recording the point of the surveillance video is recorded in the enlarged mode, 32 is a control unit in charge of the execution control of the function set by the remote control 30, the control unit 32 is controlled by the remote control 30 Execution control of a well-known TV function or VCR function, and when a point of the surveillance image of the video camera 10 is instructed, recording and playback of the magnified image of the indicated point are executed.

34 denotes an image IF processing unit which performs IF conversion processing on a broadcast signal received on a selected channel under the TV function set by the remote controller 30 by applying a predetermined intermediate frequency. A video switching unit for switching the path of the video signal in accordance with the TV function and the VTR function selected by 30, 38 denotes a video signal under the TV mode or a video signal under the VTR mode applied through the video switching unit 36. A video processing unit for reproducing and reproducing in the CRT apparatus 40. FIG.

42 denotes a tape driving mechanism which is operated by the remote controller 30 under the control of the control unit 32 in the VTR mode to execute driving such as play / rewind / rewind / pause the video tape T. Denotes a video recording / reading section for recording and reading video (and audio) on the video tape T driven at the constant or double speed by the tape driving mechanism 42 in the VTR mode.

In addition, 46 indicates a surveillance image displayed on the CRT apparatus 40 when the surveillance image captured by the video camera 10 is displayed on the CRT apparatus 40 while the surveillance mode is set by the remote controller 30. 3 shows a cursor control unit for driving a cursor 50 indicating an instruction for an image region including an important point in the virtual division into four regions 40a to 40d in the form illustrated in FIG. 32 controls only the video portion included in the area designated by the cursor 50 to be recorded on the video tape T of the surveillance image recorded by the video recording / reading unit 44. do.

That is, according to the above configuration, when the TV mode is selected by the remote controller 30 and tuning of a specific channel is performed, the control unit 32 selects tuning data for a channel to be tuned to a tuner (not shown). In addition, the switching unit SW is applied to the image switching unit 36 to control the image signal path under the TV mode. Then, the video IF processor 34 performs a conversion process based on the video IF signal on the broadcast signal received in the channel tuned by the tuner, and the video IF signal PIF in the video IF processor 34 is It is applied to the image processing unit 38 through the image switching unit 36 and reproduced, and then reproduced by the CRT apparatus 40.

When the VTR mode is set by the remote controller 30, the controller 32 applies the switching signal SW to the image switching unit 36 so that the image signal path under the VTR mode is set. In such a VTR mode, if the rewind / rewind is set to set the playback (recording) position for the videotape T from the remote controller 30, the control unit 32 controls the tape driving mechanism 42 to control the videotape. (T) is driven at high speed until the stop signal is input in the winding direction or the rewinding direction or when the winding / rewinding is completed.

Subsequently, when recording of a TV broadcast signal is set, for example, from the remote controller 30, the controller 32 causes the video IF signal PIF processed by the video IF processing unit 34 to perform the video recording / reading unit 44. The switching signal SW is applied to the image switching unit 36 so as to be connected to the side. Then, the video IF processor 34 performs a conversion process by a predetermined video IF signal on the broadcast signal of the recording target channel, and then obtains the resulting video IF signal. It is applied to the video recording / reading section 44 via the section 36 to amplify to the recording level, and recording on the video tape T is performed.

When the playback of the video tape T is set from the remote controller 30, the control unit 32 sets an image signal path between the video recording / reading unit 44 and the image processing unit 38. The switching signal SW is applied to the image switching unit 36 so as to control switching. When the video tape T is driven at a constant speed by the tape driving mechanism 42, the video recording / reading is performed. The mounting section 44 reads out the video signal from the video tape T and is applied to the image processing section 38 through the image switching section 36. Accordingly, the image processing section 38 uses the video tape ( The reproduction of the video signal read out in T) is performed and applied to reproduce it on the CRT apparatus 40. FIG.

On the other hand, when the monitoring mode is set by the video camera 10 by the remote controller 30, the control unit 32 activates the video camera 10 so that the surveillance image of the monitoring target is the video recording / reading unit The controller 50 controls the cursor controller 46 to be displayed on the CRT device 40 through the image switching unit 36 and the image processor 38. Control to appear on the CRT device 40.

In this case, the surveillance image displayed on the CRT device 40 is virtually divided into four regions, and the position of the cursor 50 is changed to the point side of the surveillance image while the cursor 50 is displayed at a predetermined position. When the control signal is applied, the control unit 32 controls the cursor control unit 46 to cause the cursor 50 to be changed on the CRT device 40.

When the cursor 50 is located at the point of the surveillance image and a selection signal is input from the remote controller 30, the controller 30 applies a control signal CS to the video recording / reading unit 44 to control the cursor. Only the surveillance video of the point designated by 50 is processed in the form of being enlarged so as to be controlled to be recorded on the video tape T. FIG.

Therefore, only the point of the surveillance image captured by the video camera 10 is recorded on the video tape T driven by the tape driving mechanism 42 in an enlarged state, and recorded in the enlarged state. When the surveillance video is played back, only the points of the recorded surveillance video are reproduced in the CRT apparatus 40, thereby improving the accuracy and clarity of the surveillance video.

As described above, according to the video camera image recording control apparatus of the tele-video according to the present invention, when the cursor is designated as the point of the surveillance image captured by the video camera, only the surveillance image portion of the designated point is processed in an enlarged state. As the recording / reproducing process is performed on the video tape, the sharpness and precision of the surveillance image by the video camera can be remarkably improved.

Claims (1)

In the surveillance system configured by combining the video camera 10 to the tele video 20 mixed with the TV function and VCR function, A remote controller 30 for designating a cursor of a point of a surveillance image captured by the video camera 10; A control unit 32 which controls the cursor control unit 46 in response to the cursor designation from the remote controller 30 so as to execute the position displacement of the cursor on the CRT apparatus; A video recording / reading unit 44 which enlarges and processes the video portion of the point designated by the cursor in the surveillance video captured by the video camera under the control of the control unit 32 and records and plays back on the video tape T by the VCR function. Televideo video camera video recording control device, characterized in that configured including.