CN209845137U - Microcomputer video protection system - Google Patents
Microcomputer video protection system Download PDFInfo
- Publication number
- CN209845137U CN209845137U CN201920309823.0U CN201920309823U CN209845137U CN 209845137 U CN209845137 U CN 209845137U CN 201920309823 U CN201920309823 U CN 201920309823U CN 209845137 U CN209845137 U CN 209845137U
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- China
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- protection system
- microcomputer
- video
- video protection
- microcomputer video
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Abstract
The utility model discloses a computer video protection system, this computer video protection system's main control board includes: the video interface is connected with a display card of the microcomputer, and the antenna is used for transmitting interference signals of the microcomputer video information according to the microcomputer video information acquired by the video interface. Through the technical scheme of the utility model, can prevent effectively to stealing receipts of computer video information. The interference signal related to the microcomputer video information is adopted, so that the information protection effect is good.
Description
Technical Field
The utility model relates to a computer video protection system.
Background
In order to meet the requirement of protecting confidential information such as confidential information, a special interference device for protecting microcomputer video information is needed.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem of correlation technique, the utility model provides a computer video protection system can prevent to stealing receiving of computer video information.
According to an aspect of the utility model provides a computer video protection system, wherein, computer video protection system's main control board includes: the video interface is connected with a display card of the microcomputer, and the antenna is used for transmitting interference signals of the microcomputer video information according to the microcomputer video information acquired by the video interface.
According to the utility model discloses an embodiment, the antenna includes the power antenna who is used for launching the interference signal of high frequency.
According to the utility model discloses an embodiment, the antenna includes the built-in antenna who is arranged in the low frequency interference signal of transmission.
According to the utility model discloses an embodiment, the main control board still includes: the power supply comprises a power interface used for inputting alternating voltage and a power filter connected to the power interface and used for filtering the alternating voltage.
According to the utility model discloses an embodiment, the main control board still includes alarm device, and alarm device is including being used for judging whether computer video protection system breaks down the fault judgement unit and connecting in the fault judgement unit and being used for carrying out the alarm output unit that reports to the police when judging computer video protection system breaks down.
According to the utility model discloses an embodiment, alarm output unit is including being used for sending out the warning when judging computer video protection system to break down and buzzing the ware.
According to the utility model discloses an embodiment, alarm output unit is including the pilot lamp that is used for lighting when judging computer video protection system and breaks down.
The utility model discloses an above-mentioned technical scheme can prevent effectively to stealing receipts of computer video information. The interference signal related to the microcomputer video information is adopted, so that the information protection effect is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of a main control board of a microcomputer video protection system according to an embodiment of the present invention;
FIG. 2 is a rear view of a microcomputer prior to installation of a microcomputer video protection system in accordance with an embodiment of the present invention;
fig. 3 is a rear view of a microcomputer after installation of a microcomputer video protection system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
With reference to fig. 1, fig. 2 and fig. 3, according to an embodiment of the present invention, there is provided a microcomputer video protection system, where the main control board 15 of the microcomputer video protection system may include: a Video interface such as VGA (Video Graphics Array, VGA is a Video transmission standard) interface 1, which is connected to a display card of a microcomputer. The main control panel 15 further comprises an antenna for transmitting an interference signal of the microcomputer video information according to the microcomputer video information acquired by the video interface.
Through the technical scheme, the utility model provides a computer video protection system can prevent effectively to stealing receiving of computer video information. The interference signal related to the microcomputer video information is adopted, so that the information protection effect is good.
In some embodiments, the antenna may comprise a power supply antenna 6 for transmitting interference signals at high frequencies. In some embodiments, the high frequency interference signal is in the frequency range of 300MHz to 1.0 GHz. In some embodiments, the antenna may also comprise an internal antenna 7 for emitting interference signals of medium and low frequencies. In some embodiments, the medium to low frequency interfering signals are in the frequency range of 1MHz to 300 MHz. In some embodiments, the frequency range of the interference signal transmitted by the microcomputer video protection system is 1MHz to 1.0 GHz. In one embodiment, the disturbance mode of the microcomputer video protection system is correlated disturbance. In one embodiment, the microcomputer video protection system has an omni-directional interference direction.
In one embodiment, the main control board 15 may further include: a power interface 4 for inputting an ac voltage, and a power filter 5 connected to the power interface 4 for filtering the ac voltage Vin. In addition, the microcomputer video protection system can be connected with a power interface 23 of the microcomputer through the power output end 18.
In one embodiment, the main control board 15 may further include an alarm device, and the alarm device includes a fault determination unit for determining whether the microcomputer video protection system has a fault, and an alarm output unit connected to the fault determination unit for alarming when the microcomputer video protection system has a fault. Wherein, the alarm output unit may include a buzzer 2 for sounding a warning when it is judged that the microcomputer video protection system is out of order. The alarm output unit may further include a malfunction indicator lamp 10 for lighting when it is judged that the microcomputer video protection system malfunctions.
Specifically, a specific embodiment of the microcomputer video protection system according to the present invention will be described with reference to fig. 1. The utility model provides a computer video protection system can include VGA interface 1, VGA interface 1 can use together with one minute two VGA lines for signal safety and stability. When the microcomputer video protection system fails in the using process, the buzzer 2 can give out warning sound for buzzing, so that the safety of the host computer is effectively protected. Optionally, the main control board 15 may further include a USB interface 3, and the USB interface 3 may be used to audit the use condition of the host. The power interface 4 is used for inputting 220V alternating current power supply and inputting voltage stably. The power filter 5 has a filtering effect on the 220V ac power input. The power antenna 6 and the 220V power input line enter the machine body simultaneously, and signal transmission is random. The power antenna 6 has a power antenna signal enhancing terminal 61, and the power antenna signal enhancing terminal 61 has functions of strong emission, high frequency output, and the like. The built-in antenna 7 is used for signal amplification inside the machine body and has certain stability. In one embodiment, the internal antenna 7 is an internal loop antenna. The built-in antenna 7 has a built-in loop antenna transmitting end 71 for medium and low frequency transmission of the built-in loop antenna. The power switch 8 is used for controlling the start and the stop of the microcomputer video protection system. And the power supply indicator light is turned on when the microcomputer video protection system is started and turned off when the microcomputer video protection system is turned off. The fault indicator lamp 10 is turned off when the microcomputer video protection system is in normal use, and is turned on when the microcomputer video protection system has a fault and the buzzer 2 sounds a warning sound. The power transformation terminal 11 is used for transforming 220V AC power input into current required by the microcomputer video protection system.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A microcomputer video protection system is characterized in that a main control panel of the microcomputer video protection system comprises: the video interface is connected with a display card of a microcomputer, and the antenna is used for transmitting interference signals of the microcomputer video information according to the microcomputer video information acquired by the video interface.
2. The microcomputer video protection system of claim 1, wherein the antenna comprises a power antenna for transmitting high frequency interference signals.
3. The microcomputer video protection system according to claim 1 or 2, wherein the antenna comprises a built-in antenna for transmitting a low and medium frequency interference signal.
4. The microcomputer video protection system of claim 1, wherein the main control board further comprises: the power supply comprises a power supply interface used for inputting alternating voltage and a power supply filter connected to the power supply interface and used for filtering the alternating voltage.
5. The microcomputer video protection system according to claim 1, wherein the main control board further comprises an alarm device, the alarm device comprising a failure determination unit for determining whether the microcomputer video protection system has a failure, and an alarm output unit connected to the failure determination unit for alarming when the microcomputer video protection system has a failure.
6. The microcomputer video protection system according to claim 5, wherein the alarm output unit includes a buzzer for sounding a warning when it is determined that the microcomputer video protection system is malfunctioning.
7. The microcomputer video protection system according to claim 5 or 6, wherein the alarm output unit includes an indicator lamp for lighting when it is judged that the microcomputer video protection system is out of order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920309823.0U CN209845137U (en) | 2019-03-12 | 2019-03-12 | Microcomputer video protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920309823.0U CN209845137U (en) | 2019-03-12 | 2019-03-12 | Microcomputer video protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209845137U true CN209845137U (en) | 2019-12-24 |
Family
ID=68906031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920309823.0U Expired - Fee Related CN209845137U (en) | 2019-03-12 | 2019-03-12 | Microcomputer video protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209845137U (en) |
-
2019
- 2019-03-12 CN CN201920309823.0U patent/CN209845137U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |