KR100721120B1 - License plate recognition and recording system - Google Patents

Abstract

The present invention is easy to detect criminals by recognizing the vehicle number through the vehicle number recognition to recognize the number of the vehicle, and record the crime scene in real time video as a reference for judging the on-site situation of the crime scene, such as violent crime The present invention relates to a vehicle identification and recording system for recording and storing. The system of the present invention includes a surveillance camera which is rotatable vertically, zoom in / zoom out, a fixing device for fixing the surveillance camera to a warning light of a vehicle, and outputs an image signal transmitted from the surveillance camera, and includes a touch panel. The monitor unit and the monitor unit to perform up, down, left and right rotation and zoom in / out functions of the surveillance camera according to the touch signal of the touch panel of the monitor, and display information on the crime vehicle read from an external memory device. And a data converter for extracting a vehicle number from the video signal transmitted from the surveillance camera, converting the received video signal to MPEG4, and a recording program for recording and storing the data converted by the data converter. Control unit, GPS terminal for transmitting and receiving vehicle position information, voice wireless transmitter and receiver, power supply It is configured to include a supply device.

Vehicle Loading, Security Camera, Crime Scene, Recording, Recording, Storage, Backup, Touch Screen

Description

License Plate Recognition and Recording System

1 is a schematic diagram showing an example of a number recognition and recording system according to the present invention.

2 is a view showing the inside of a vehicle equipped with the system according to the present invention.

Figure 3 is a view showing the camera fixing device of the system according to the present invention, Figure 3a is a perspective view thereof, Figure 3b is a sectional view thereof.

4 is a system configuration diagram schematically showing a system according to the present invention.

5 is a view showing an execution screen of the vehicle number recognition program using the system according to the present invention.

6 is a view showing an execution screen of the recording program using the system according to the present invention.

7 is a view showing an execution screen of the search program using the system according to the present invention.

8 is a view showing an execution screen of the backup program using the system according to the present invention.

<Description of the symbols for the main parts of the drawings>

1: Vehicle number recognition and recording system

10: surveillance camera

20: fixing device

30: monitor

40: control unit

50: voice radio receiver

60: GPS terminal

70: power supply

The present invention relates to a number recognition and recording system for a vehicle, and more particularly, is installed in a police vehicle to recognize a vehicle number in a police service by recognizing a crime vehicle through vehicle number recognition, and is easy to detect criminals, and violent crimes. The present invention relates to a vehicle number recognition and recording system for recording, recording and storing a crime scene in real time as a reference for judging the scene situation of a crime scene.

In general, the crackdown on illegal parking vehicles or the crackdown on illegal vehicles is used by police officers to stop the suspected vehicle while patrolling in the vehicle, and confirms the illegal vehicle through communication with the police headquarters. have.

However, this method is inefficient and inefficient because it requires a lot of time and manpower to control.

In order to solve this problem, there is a method using a vehicle equipped with a surveillance camera and a remote monitoring method using the CCTV camera to crack down on illegal parking vehicles at the police headquarters.

In the remote monitoring method using CCTV cameras, fixed CCTVs are installed at a certain position, and illegal parking vehicles are controlled through the video screen transmitted from the camera. However, this method has a limited surveillance range and it is difficult to respond quickly. There was a problem.

In order to solve this problem, a surveillance camera is mounted on a vehicle to recognize an illegal parking vehicle number from a video signal transmitted from the camera and to issue a parking violation sticker. It was inconvenient to record because it was recorded on an analog tape.

In addition, the conventional vehicle-mounted number recognition system mainly focuses on the crackdown of illegal parking vehicles, and it is not easy to crack down on stolen vehicles or vehicles used for crimes. There was a problem such as whether or not to check.

In addition, the conventional vehicle number recognition system uses a pan / tilt / zoom control device installed separately inside the vehicle to control the mounted up / down / right / zoom function of the mounted surveillance camera, so that a criminal arrested during patrol is carried on the vehicle. In addition, there was a problem that the inside of the vehicle was complicated to cause an accident, and there was a problem that it was inconvenient to take an instant response in case of urgent action.

In addition, in a conventional vehicle number recognition system, even when only a video signal transmitted from a surveillance camera is recorded, it is recorded on a conventional analog tape, so that only necessary portions can be extracted and used as evidence in a police or prosecution later. Not only was it inconvenient, but it was not easy to record various incidents or crime scenes with voice, and even if the vehicle was dropped from the crime scene, the quality of voice recording was poor. In many cases, the value as evidence is damaged.

The present invention is to solve the problems of the prior art described above, an object of the present invention is installed in the vehicle as a vehicle-mounted number recognition and recording system is installed in police vehicles that often arrest a criminal and board a vehicle. Even if it is possible to avoid the accidental inside installation to prevent accidents when boarding the killer, and adopts a touch screen type system to omit a separate surveillance camera control device, the operation of the surveillance camera by simple operation of the touch screen It is to provide a vehicle-mounted number recognition and recording system that can execute the pan / tilt / zoom function.

In addition, another object of the present invention is to provide a vehicle-mounted number recognition and recording system that can record a high-quality digital recording with a small capacity by storing the video signal transmitted from the camera in a high compression rate method.

In addition, another object of the present invention is to provide a vehicle-mounted number recognition and recording system having a wireless voice transmitter capable of recording / recording the live voice in the field with the video signal transmitted from the camera.

In addition, another object of the present invention, by storing the time information with the stored video signal and the audio signal, it is easy to search the recorded file by the time unit or date unit, as well as a backup file having a separate backup program It is to provide a vehicle-mounted number recognition and recording system that is easy to store.

In addition, another object of the present invention is to divide the screen of the touch screen into several to output the video signal transmitted from the surveillance camera and at the same time read the information from a separate USB memory chip in which the information of the criminal vehicle is stored and output to the screen. It is possible to provide a vehicle-mounted number recognition and recording system that can simplify the structure installed inside the vehicle by performing a variety of functions with a single monitor by having a control unit that can execute various functions of the camera. .

In order to achieve the above object, the vehicle-mounted number recognition and recording system according to the present invention,

Surveillance camera that can rotate up, down, left and right and zoom in / zoom out function,

A fixing device for fixing the surveillance camera to a warning light of a vehicle;

A monitor unit for outputting an image signal transmitted from the surveillance camera and having a touch panel installed thereon;

In response to the touch signal of the touch panel of the monitor, the camera controls to perform up, down, left and right rotation and zoom in / out functions of the surveillance camera, and outputs information on a crime vehicle read from an external memory device to the monitor unit. And a vehicle number recognition program for extracting a vehicle number from the video signal transmitted from the video signal input unit, wherein the video signal input unit receives the video signal transmitted from the surveillance camera, and converts the video signal received from the video signal input unit to MPEG4. A control unit including a data conversion unit, a recording program for recording and storing the data converted by the data conversion unit;

GPS terminal for transmitting and receiving location information of the vehicle,

It includes a power supply for receiving power from the power supply of the vehicle for supplying power to the surveillance camera, the monitor and the control unit.

The system according to the present invention further includes a voice wireless transmitter and a voice wireless transmitter which receives a voice signal transmitted wirelessly from the voice wireless transmitter and is installed inside the vehicle, wherein the control unit comprises the voice wireless It is connected to a receiver, characterized in that for recording and storing the audio signal received from the audio player with the video signal.

The monitor unit may be divided into a plurality of screens, and the plurality of screens may include a main screen display unit for outputting a video signal transmitted from the surveillance camera, and a vehicle extracted and recognized from the video signal transmitted from the surveillance camera. A vehicle indicating a vehicle number display unit for displaying a number, an operation screen display unit for displaying a plurality of menu icons to perform up / down, left / right rotation and zoom in / zoom out functions of the surveillance camera, and a vehicle for displaying information of the vehicle read from the external memory device A vehicle information display unit for displaying vehicle information displayed on the vehicle list display unit when the vehicle information displayed on the vehicle list display unit and the vehicle information displayed on the vehicle list display unit are the same; The information of the vehicle whose information is displayed on the vehicle list display unit. If the inconsistent consists vehicle display briefly indicating the information of the vehicle read from the monitoring camera, the main screen display unit and the operation screen display unit and the vehicle, the list display is characterized in that it is composed of a touch panel.

The main screen display unit may be configured to perform a zoom-in function and the up, down, left, and right rotation functions of the surveillance camera according to a touch input signal of the main screen display unit.

The recording program may record and store location information read from the GPS terminal and time information read from a timer installed in the controller together with the video signal and the audio signal.

The controller may search for a file stored at a predetermined time according to the time information, divide the stored file into a predetermined time unit set by a user, and display the stored file as a plurality of files. And a search program configured to search only a specific file among the files.

The control unit may further include a backup program for setting only the file for a predetermined range of time and storing the stored file in an external storage device.

In addition, the power supply device may be supplied with power from the power supply of the vehicle and can be supplied and cut off manually and automatically, the power control unit for removing the mechanical noise of the vehicle, and the power controlled from the power control unit It characterized in that it further comprises a DC / DC converter for supplying the system.

Hereinafter, with reference to the accompanying drawings will be described in detail the vehicle number recognition and recording system 1 according to the present invention.

1 is a schematic diagram showing an example of a number recognition and recording system according to the present invention, FIG. 2 is a diagram showing a camera fixing apparatus, and FIG. 3 is a system configuration diagram.

As shown in Figs. 1 to 3, the system 1 according to the present invention includes a surveillance camera 10, a fixing device 20, a monitor unit 30, a control unit 40, a voice wireless transmitter and receiver ( 50, a GPS terminal 60, and a power supply device 70.

The surveillance camera 10 uses a PAN / TILT / ZOOM type surveillance camera capable of rotating 360 ° left and right, rotating up and down, and zooming in / out. In addition, the surveillance camera 10 is preferably made of a waterproof and bulletproof material that is not affected by external impact. In addition, it uses a camera that can take infrared rays at night without a separate LED.

The surveillance camera 10 is fixed to the fixing device 20 surrounding the surveillance camera 10 and installed in the vehicle 2. The fixing device 20 includes a fixing plate 21 fixed to a top of a warning light of a vehicle by a screw or bolt (not shown), a lower fixing housing 22 attached to the fixing plate 21, and the lower fixing. It is connected to the housing 22 is composed of an upper rotation housing 23 to rotate left and right with the surveillance camera according to the left and right rotation of the surveillance camera. The surveillance camera 10 is installed on a separate pedestal 25 provided inside the lower fixing housing 22, it is preferably installed high so as not to be disturbed by the lighting device installed in front of the warning light of the police vehicle. Do. In addition, the fixing plate 21 is configured to provide a separate input hole inside the portion covered by the lower fixing housing 22 so that the power connection line and the captured image signal can be sent to the controller by wire through the input hole.

The upper pivot housing 23 is provided with a see-through window 24 made of a transparent waterproof material, and the lens of the surveillance camera 10 accommodated in the upper pivot housing 23 is positioned inside the see-through window 24. It is configured to take a picture while protecting the surveillance camera 10.

The monitor unit 30 is installed in the front of the vehicle, that is, the driver's seat in the interior of the vehicle, it is preferable that the computer main body 3, the control unit 40 is installed on the trunk of the vehicle. In the case where the computer body 3 is installed inside the vehicle, when the culprit arrested during patrol is carried on the vehicle, the inside of the vehicle is complicated and there is a risk of inadvertent accidents. Since it is inconvenient to deal with the situation, it is desirable to install it on the trunk side of the vehicle to prevent such accidental accident.

The monitor unit 30 outputs an image signal transmitted from the surveillance camera 10 and is provided with a touch panel 31. The screen structure of the monitor unit 30 is divided into a plurality of screens as shown in FIG. The plurality of screens include a main screen display unit 32, a vehicle identification number display unit 33, an operation screen display unit 34, a vehicle list display unit 35, a vehicle information display unit 36, and other vehicle display units. It consists of 37. The main screen display unit 32 outputs a video signal transmitted from the surveillance camera 10 and is configured as a touch panel. The recognition vehicle number display unit 33 receives and displays data on the vehicle number recognized by the control unit 40 extracted from the video signal transmitted from the monitoring camera, and the operation screen display unit 34 A rotation operation icon 34a for rotating the surveillance camera up, down, left, and right, a zoom in / zoom out operation icon 34b for instructing the zoom in / zoom out function of the surveillance camera, and an external storage device to / from the external storage device. There is a function operation icon 34c provided with a transmission / reception icon and a camera operation termination icon for reading and sending information and sending and receiving information about the vehicle. In addition, the operation screen display unit 34 sets a plurality of angles and zoom ratios of the surveillance cameras frequently used during patrol, and functions the positions and zoom ratios of the plurality of set surveillance cameras with a single touch. A plurality of favorite icons 34d may be provided so as to be more easily manipulated.

In addition, the vehicle list display unit 35 shows the vehicle information read from the external memory device by the control unit as a list, and the vehicle information display unit 36 reads from the vehicle information displayed on the vehicle list display unit and the monitoring camera. When the information of the entered vehicle is the same, information on the vehicle, such as a vehicle registration number or an address of the vehicle displayed on the vehicle list display unit, and whether the vehicle is wanted, stolen or escaped, is displayed. The other vehicle display unit 37 briefly shows information of the vehicle read from the surveillance camera when the information of the vehicle read from the surveillance camera does not match the information of the vehicle displayed on the vehicle list display.

The main screen display unit 32, the operation screen display unit 34, and the vehicle list display unit 35 are constituted by a touch panel. As shown in FIG. 5, when the main screen display unit 32 touches an arbitrary point in the main screen display unit 32, the main screen display unit 32 zooms in on the touched point according to the touch input signal and displays the enlarged image, and the arbitrary point. After the touch, if the user moves the finger in the touched state is set to rotate the surveillance camera up and down, left and right in the moving direction, the operation screen display unit 34 is the plurality of icons (34a, 34b, 34c) When is touched, it is set to perform a function corresponding to the plurality of icons (34a, 34b, 34c), the vehicle list display unit 35, for touching the vehicle displayed in the list for the vehicle of the touch input list The information is set on the vehicle information display unit 36.

The system 1 according to the present invention may further include a voice radio transmitter and receiver 50. The voice radio transmitter 50 is configured to be carried by a user, and is configured to be carried by police at various event sites, and is a wireless microphone for collecting a voice at a scene, and a vehicle of a vehicle. It is installed inside the voice radio transmitter 51 can be mounted, it is composed of a voice radio transmitter 52 for receiving a voice signal transmitted wirelessly from the voice radio transmitter 51. The audio player 52 transmits the audio signal received from the voice radio transmitter 51 to the audio signal input unit 42 of the controller 40 to be described later together with the video signal received from the surveillance camera 10. It is configured to be recorded. The voice wireless transmitter 50 can record in real time using, for example, a voice wireless transmitter from a vehicle in the 900 MHz band.

In addition, the system 1 according to the present invention may further include a GPS terminal 60. For the GPS terminal 60, a commercially available GPS terminal is used, and since the transmission and reception of data for the GPS terminal and the location information are already known, a detailed description thereof will be omitted.

The control unit 40 includes a video signal input unit 41, an audio signal input unit 42, a touch signal input unit 43, and a data converter 44. The control unit 40 further includes a number recognition program 45, a recording program 46, a search program 47, and a backup program 48.

The controller 40 receives an analog video signal transmitted from the surveillance camera 10 through the video signal input unit 41 and receives an analog audio signal transmitted from the audio player 52. Received through the audio signal input unit 42, the video signal and the audio signal is converted into a digital image by the data converter 44, and the high-definition compression based on MPEG-4 based H.263 recording program The data is stored in the storage device 49 by using 46. As described above, the system 1 according to the present invention adopts the MPEG-4 method having excellent compression ratio, and can store the file in a small size of 2-3 KB per image.

The recording program 46 stores the data of the position information received from the GPS terminal 60 when storing the above-described video signal and audio signal together with the data of the time information received from the timer built in the computer. do. The recording program 46, as shown in Figure 6, the number of files recorded by the plurality of police vehicles, the number of each police vehicle or surveillance cameras in the same manner as 'Camera 1', 'Camera 2' Save the recording for identification.

In addition, the control unit 40 displays the video signal transmitted from the surveillance camera 10 on the main screen display unit 32 of the monitor unit 30, and the main screen display unit 32 or the operation screen. The touch signal input unit 43 receives a touch signal by a touch input of the rotation operation icon 34a of the display unit 34, the zoom in / zoom out operation icon 34b, the function operation icon 34c, and the favorite icon 34d. It receives from the input accordingly controls the surveillance camera 10 to perform up and down, left and right rotation, zoom in / zoom out, and start and end driving of the surveillance camera. In addition, the control unit 40 reads information on a crime vehicle or the like from an external memory device 61 and controls it to be displayed on the vehicle list display unit 35 of the monitor unit 30, and the vehicle list display unit ( The touch signal of the touch input of the control unit 35 is input to control the vehicle information display unit 36 to display vehicle information of the vehicle.

In addition, the controller 40 compares the vehicle information read from the external memory device 61 with the vehicle information extracted from the video signal transmitted from the surveillance camera, so that the vehicle information extracted from the video signal is stored in the external device. When there is no information that matches the vehicle information read from the memory device 61, the extracted vehicle information is displayed on the other vehicle display unit.

The number recognition program 45 installed in the control unit 40 may use a conventional number recognition method. For example, the number recognition program 45 divides the image signal received from the surveillance camera 10 in units of pixels, extracts a difference image by comparing each pixel with a background image, and then extracts the difference image from the extracted difference image. Extracts license plate images of vehicles by searching areas with significant changes in brightness, saturation, and color values, removes unnecessary miscellaneous images from the extracted images, separates parts of characters, and recognizes character information by combining recognized characters. . The control unit 40 controls the number recognition program 45 to display the vehicle number recognized as described above on the recognition vehicle number display unit 33 of the monitor unit 30.

The number recognition program 45 and the recording program 46 are configured to be driven at the same time, and receive the video signal from the surveillance camera 10, it can be stored along with the voice signal, location information and time information while number recognition. It is configured to.

On the other hand, the controller 40 further includes a search program 47 for searching the recorded files as described above. The search program 47 reads a specific file from the storage device 49 in which a file recorded using the recording program 46 is stored. The screen structure of the search program 47 includes a time search icon 47a for searching the stored file by year / month / day / hour and a plurality of times stored at a specific year month date when the specific year month date and time is selected. Screen configuration comprising a storage screen display unit 47b showing files recorded / stored by a plurality of cameras of a police vehicle, and a plurality of screen operation icons so that the screens of the storage screen display unit 47b can be adjusted and displayed as one or more. It is comprised by the display part 47c.

In addition, the search program 47 may be set to display a specific file stored together with time information in predetermined time units. For example, if you select a saved file with a total recorded time of 30 minutes, you can configure it to display as a total of 6 subfiles if you set it to search in 5 minutes. It can be configured to display. Accordingly, for a file having a total recording time of 30 minutes, only a necessary portion is easily searched, and only a necessary subfile among the searched subfiles is backed up and stored in a separate storage medium using a backup program 48 which will be described later. It is configured to be.

The backup program 48 may search for a specific file by using the search program 47, not only backup and store the entire searched specific file, but also reconstruct the specific file into a plurality of subfiles, It is configured to be backed up while searching only the necessary subfiles of the subfiles and to save them in the storage medium. For example, it is configured to set a time range of a predetermined time of the stored files, select a medium to be stored, and then select one of the types of files to be stored, for example, an AVI file or a DAT file, The storage medium may be various media such as a USB memory stick, a CD-RW, a DVD-RW, and the like. By constructing as described above, there is an advantage that it is very convenient to extract only necessary parts and use it as evidence in the police or the prosecution later.

On the other hand, the system 1 according to the present invention includes a power supply device 70. The power supply device 70 is composed of a power control unit 71 and a DC-DC converter 72, the power control unit 71 receives the power from the power supply of the vehicle manual and automatic power supply It can supply and cut off, and is configured to remove the mechanical noise of the vehicle. In addition, the DC / DC converter 72 is configured to convert a single power supply of 12V, which is the power of the vehicle, into a power suitable for a computer main body in which the control unit is installed, the monitoring camera, the voice radio transmitter and the GPS terminal, and the like. have.

The embodiments and drawings attached to this specification are merely to clearly show some of the technical ideas included in the present invention, and those skilled in the art can easily infer within the scope of the technical ideas included in the specification and drawings of the present invention. It is apparent that all modifications and specific embodiments that can be included in the scope of the technical idea of the present invention.

According to the present invention, even if it is installed in the vehicle as a vehicle-mounted number recognition and recording system installed in a police vehicle frequently arresting a criminal and boarding the vehicle, a complicated internal installation can be prevented when the criminal is boarded. By adopting the touch screen type system to avoid the separate surveillance camera control device, it is possible to execute the pan / tilt / zoom function of the surveillance camera by simple operation of the touch screen. There is an advantage that the inquiry of the vehicle can be performed simply.

In addition, according to the present invention, by storing the video signal transmitted from the camera in a manner of excellent compression rate, it is possible to record in a high-definition digital format with a small capacity, and equipped with a wireless voice transmitter to the field with the video signal transmitted from the camera There is an advantage that you can record a vivid voice in Esau.

In addition, by storing the location information and time information together with the stored video signal and audio signal, it is not only easy to search the recorded file by time unit or date unit, but also easy to store as a backup file with a separate backup program. In addition, it is very convenient to extract only necessary parts and use it as evidence in the police or prosecution later.

In addition, by dividing the screen of the touch screen into several, it outputs the video signal transmitted from the surveillance camera, and at the same time can read the information from a separate USB memory chip that stores the information of the criminal vehicle, and output it to the screen, various functions of the camera By providing an operation unit capable of executing, a structure installed in the vehicle can be simplified by performing various functions with one monitor.

Claims (9)

Surveillance camera 10 that can be rotated up and down, left and right and zoom in / zoom out function, Fixing device 20 for fixing the surveillance camera 10 to the warning lights of the vehicle, A monitor unit 30 which outputs an image signal transmitted from the surveillance camera 10 and is provided with a touch panel; Information about the crime vehicle read from the external memory device 61 by controlling to perform the up, down, left and right rotation and zoom in / out functions of the surveillance camera 10 according to the touch input signal of the touch panel of the monitor unit 30. Outputs to the monitor unit 30, a vehicle number recognition program for extracting a vehicle number from the image signal transmitted from the surveillance camera 10, and receives the image signal transmitted from the surveillance camera 10 The video signal input unit 41, the data converter 44 for converting the video signal received from the video signal input unit 41 into digital data, and the data converted by the data converter 44 are MPEG-4 type. A control unit 40 including a recording program 46 for recording and storing the video; And a power supply device (70) for receiving power from a vehicle power supply and supplying power to the surveillance camera, the monitor and the controller. The method of claim 1, It further comprises a voice radio transmitter (50) consisting of a voice radio transmitter (51) and a voice radio transmitter (52) which receives a voice signal transmitted wirelessly from the voice radio transmitter (51) and is installed inside the vehicle. Is composed, The controller (40) is connected to the audio player (51), the number recognition and recording system for a vehicle, characterized in that for storing the audio signal received from the audio player (51) with the video signal. The method of claim 1, The monitor unit 30 is divided into a plurality of screens, The plurality of screens may include a main screen display unit 32 for outputting a video signal transmitted from the surveillance camera 10, and a display for displaying a vehicle number extracted and recognized from the video signal transmitted from the surveillance camera 10. A vehicle number display unit 33, an operation screen display unit 34 on which a plurality of menu icons are displayed to perform up, down, left and right rotation and zoom in / zoom out functions of the surveillance camera 10, and read from the external memory device 61; When the vehicle list display unit 35 indicating the information of the entered vehicle and the vehicle information displayed on the vehicle list display unit 35 and the information of the vehicle read out from the surveillance camera 10 are the same, the vehicle list display unit 35 is displayed. The vehicle information display unit 36 displaying the displayed vehicle information and the information of the vehicle read out from the surveillance camera 10 may not match the information of the vehicle displayed on the vehicle list display unit 35. There is composed of the display vehicle (37) briefly indicating the information of the vehicle read from the monitor camera, And said main screen display section (32), said operation screen display section (34) and said vehicle list display section (35) comprise a touch panel. The method of claim 3, wherein And the main screen display unit (32) is configured to perform a zoom-in function and the up, down, left, and right rotation functions of the surveillance camera according to the touch input signal of the main screen display unit. The method of claim 1, It further comprises a GPS terminal 60 for transmitting and receiving location information of the vehicle, The recording program 46, And position information read from the GPS terminal (60) and time information read from a timer installed in the control unit together with the video signal and the audio signal. The method of claim 5, The controller 40 may search for the stored file at a predetermined time according to the time information, divide the stored file into a predetermined time unit set by a user, and display the stored file as a plurality of subfiles. A number identification and recording system for a vehicle, comprising: a search program configured to search only a specific file among a plurality of subfiles. The method of claim 5, The control unit 40, the number recognition and recording system for a vehicle, characterized in that further comprising a backup program that can be stored in the external storage device by setting only the file for a predetermined range of time. The method of claim 1, The power supply device 70 may be supplied with power from the power supply of the vehicle to supply and cut off power manually and automatically, and may include a power control unit 71 for removing mechanical noise of the vehicle and the power control unit. And a DC / DC converter (72) for supplying the power controlled from (71) to the system. The method of claim 3, wherein In the operation screen display unit 34, a plurality of preset angles and zoom ratios of the surveillance cameras which are frequently used during patrol are set in advance, and a plurality of preset surveillance cameras can function as a single touch. Number recognition and recording system for the vehicle, characterized in that the bookmark icon (34d) of the further provided.

Images