CN2645132Y - Computer automatic protection device - Google Patents
Computer automatic protection device Download PDFInfo
- Publication number
- CN2645132Y CN2645132Y CNU032084501U CN03208450U CN2645132Y CN 2645132 Y CN2645132 Y CN 2645132Y CN U032084501 U CNU032084501 U CN U032084501U CN 03208450 U CN03208450 U CN 03208450U CN 2645132 Y CN2645132 Y CN 2645132Y
- Authority
- CN
- China
- Prior art keywords
- computing machine
- signal
- transmitter unit
- receiving
- transmitter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
- H04B1/3818—Arrangements for facilitating insertion or removal of identification devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optical Communication System (AREA)
- Mobile Radio Communication Systems (AREA)
- Selective Calling Equipment (AREA)
- Transmitters (AREA)
Abstract
The utility model relates to an automatic protection device of a computer, which is mainly composed of a sending unit and a receiving unit which are in a radio transmission mode, wherein the receiving unit is inserted into an input and output port of a computer host and can receive radio waves or light wave signals sent out by the sending unit. The radio signals are sent out by the sending unit in specific low power, and the receiving unit only receives the radio signals within a specific short range. The sending unit is carried by the user. When the user is away from the computer and exceeds the distance range of the radio signals from the sending unit received by the receiving unit, the receiving unit can automatically send out a group of control signals to the computer, and the computer is forced to enter a specific protection state (such as power off, system standby, dormancy, screen protection picture, etc.).
Description
Technical field
The utility model relates to a kind of automatic safety device of computing machine; relate in particular to a kind of radio transmitting device that is used on the computing machine; can when not receiving the wireless signal that is sent by transmitter unit, receiving element make computing machine enter a specific guard mode.
Background technology
Computing machine becomes an indispensable role in modern society already.The user (especially working clan) of general computing machine often uses a computer for a long time, there are many situations to make the user under unexpected situation, need to leave computing machine (as leader's calling or accident etc.) temporarily, cause having little time or forgetting the picture or the state of coordinate conversion computer, make the user away from keyboard during this period of time in cause computing machine to be in state in the air, anyly can see the content that computer picture is shown per capita.If the image content of this moment is not secret file of learning for the stranger of desire of commerce or military secrecy or other, this secret is leaked, and then cause incalculable damage.Though operation system of computer (as Windows, Linux) also can setting screen protection picture or the automatic log-on states such as (Suspend) or dormancy of awaiting orders; but these functions are in order to protect screen or saving power consumption designed; rather than purpose in order to maintain secrecy; so be with Time Calculation the opportunity of its startup, promptly start after a few minutes or several hours behind the operational computations machine the last time.But this mode that starts with the time can not be reacted in the very first time after the user disembarks, and just can be started after must waiting for a period of time.The software and hardware of computing machine all can't solve the blank phase of this section picture data protection now.At present on the market without any solution, be a big shortcoming in fact.
Content of the present utility model
Fundamental purpose of the present utility model is to provide a kind of automatic safety device of computing machine.When the computing machine user leaves computing machine to a specific range, make computing machine enter the guard mode that can remove picture automatically, reveal to other people thoroughly to prevent picture data.
In order to achieve the above object, the utility model utilization Radio Transmission Technology is carried a low power transmissions unit by the user, and described low power transmissions unit can continue to send the radiowave or the lightwave signal of characteristic frequency, specific coding.Other be provided with one with this corresponding receiving element in low power transmissions unit, described acceptance on the input/output port that the unit is plugged on computing machine.When wireless signal that transmitter unit sent can be received the unit and receives, receiving element just can not move to some extent.And when but the user carries transmitter unit and leaves computing machine and surpass the distance range of receiving element received signal; receiving element is promptly sent one group of control signal automatically and is given computing machine, make its enter as shutdown, system await orders, the specific guard mode of dormancy or screen protection picture etc.
Use the automatic safety device of computing machine of the present utility model, can make computing machine enter guard mode immediately in the very first time after the user leaves computing machine, have splendid secret effect.
Brief description of drawings
Fig. 1 is the use synoptic diagram of the utility model on mobile computer;
Fig. 2 is the circuit block diagram of transmitter unit of the present utility model;
Fig. 3 is the circuit block diagram of receiving element of the present utility model.
Embodiment
Fig. 1 is the use synoptic diagram of the utility model embodiment.As shown in Figure 1, the utility model mainly is made up of transmitter unit 1 and the receiving element 2 corresponding with it.Wherein receiving element 2 is plugged on the input/output port 31 of computing machine 3.For example but be not limited only to this: generic serial port (Universal Serial Bus, USB).In addition, computing machine 3 shown in Figure 1 is to be example with the notebook, and other can certainly be suitable for as computing machines such as desktop, hand helds, is not as limit.
Transmitter unit 1 is carried for computing machine 3 users, sustainable radiowave or the lightwave signal that sends a characteristic frequency, specific coding, and emissive power is very low, and it effectively contains the scope of lid about about 2 to 5 meters, when slightly being longer than general user's operational computations machine and the distance between the computing machine.Receiving element 2 can receive radiowave or the lightwave signal that is sent by transmitter unit 1 in the coverage of transmitter unit 1, when the user carries transmitter 1 and is in the state of normal running computing machine, receiving element 2 can receive the wireless signal from transmitter unit 1, and receiving element 2 just can not move to some extent.And leave computing machine when surpassing 2 of receiving elements and can receive distance range from the wireless signal of transmitter unit 1 when the user carries transmitter unit 1; receiving element 2 promptly can be sent one group of control signal automatically and give computing machine 3, forces computing machine 3 to enter a specific guard mode immediately.This specific guard mode be for can changing any state of original picture, as shutdown, system await orders, one of dormancy or screen protection picture etc., make other people can't spy on the image content of computing machine 3.If computing machine 3 enters the screen protection picture, then can arrange in pairs or groups and use the password setting function (promptly need import proper password recovery operation picture again) of operating system, just can form further protection.The specific executive routine of a lockable computing machine and if computing machine 3 has prestored; can be started this program by the control signal of receiving element 2, make computing machine enter lock-out state, other people not only can't spy on image content; even can't operational computations machine 3, reach safer protection effect.
Fig. 2 is the circuit block diagram of transmitter unit 1.Be the state that transmits with electric wave, as shown in Figure 2, transmitter unit 1 is made up of mission controller 11, modulation transmitter 12 and emitting antenna 13.Wherein mission controller 11 can produce specific coded signal, delivers to the carrier wave of modulation transmitter 12 usefulness one predeterminated frequency and is modulated, and externally sends through emitting antenna 13.Fig. 3 is the circuit block diagram of receiving element 2.Receiving element 2 is formed by receiving controller 21, receiving demodulation device 22, receiving antenna 23 and connector 24.Wherein receiving antenna 23 is used for receiving the electric wave from transmitter unit 1, gives demodulation reduction through receiving demodulation device 22, delivers to receive in addition identification of controller 21 again.As confirm that this electric wave is from transmitter unit 1; then do not have any action; if and the electric wave from transmitter unit 1 is not received in affirmation; promptly send one group of control signal automatically and send into computing machine 3 through the connector 24 and the input/output port 31 of being pegged graft thereof; be used for starting computing machine 3, make computing machine 3 enter guard mode.Above-mentioned Fig. 2, Figure 3 shows that the embodiment of the utility model, carry out wireless transmission and also can if use infrared light-wave instead with electric wave transmission.Its circuit block diagram is identical with above-mentioned two figure basically.Only need with emitting antenna 13 change infrared light-emitting diode (IR LED) into, receiving antenna 23 changes optical diode (photodiode) into and gets final product, so repeat no more.
In sum, the utility model can make computing machine enter guard mode immediately in the user leaves the very first time of computing machine, has splendid secret effect.And transmitter unit 1 is an extremely excellent design in fact.The above only is the detailed description of the utility model embodiment, and the equivalent transformation that other use technical characterictic of the present utility model to do all belongs to the application's claim.
Claims (5)
1. the automatic safety device of a computing machine is characterized in that comprising:
One transmitter unit can send radiowave or lightwave signal, carries for the user;
One receiving element; be plugged on the input/output port of computing machine; can receive the wireless signal that sends by described transmitter unit; when carrying transmitter unit, the user leaves computing machine when surpassing receiving element and can receive distance range from the wireless signal of transmitter unit; described receiving element is sent the input/output port that one group of control signal passes through to be pegged graft automatically and is given computing machine, forces computing machine to enter a specific guard mode.
2. the automatic safety device of computing machine as claimed in claim 1, the specific guard mode that it is characterized in that described computing machine is for changing the state of original picture.
3. the automatic safety device of computing machine as claimed in claim 2, it is characterized in that the described state that changes original picture for shutdown, system await orders, dormancy or screen protection picture one of them.
4. as the automatic safety device of each described computing machine of claim 1-3, it is characterized in that described transmitter unit comprises:
One mission controller can produce specific coded signal;
One modulation transmitter, the coded signal of the controller of self-emission is in the future modulated with the carrier wave of a preset frequency;
One emitting antenna, the modulation signal of the transmitter of self-modulation in the future outwards sends;
Described receiving element comprises:
One receiving antenna is used to receive the electric wave from transmitter unit;
One receiving demodulation device, the electric wave that receiving antenna is received gives the demodulation reduction;
One receives controller, is used to discern the restituted signal from the receiving demodulation device, and when not obtaining restituted signal, sends one group of control signal that can make computing machine enter specific guard mode;
A connector is plugged on the corresponding input/output port of computing machine, is used for described control signal input computing machine.
5. as the automatic safety device of each described computing machine of claim 1-3, it is characterized in that described transmitter unit comprises:
One mission controller can produce specific coded signal;
One modulation transmitter, the coded signal of the controller of self-emission is in the future modulated with the carrier wave of a preset frequency;
One infrared light-emitting diode, the modulation signal of the transmitter of self-modulation in the future outwards sends;
Described receiving element comprises:
One optical diode is used to receive the infrared light-wave from transmitter unit;
One receiving demodulation device, the light wave that optical diode is received gives the demodulation reduction;
One receives controller, is used to discern the restituted signal from the receiving demodulation device, and when not obtaining restituted signal, sends one group of control signal that can make computing machine enter specific guard mode;
A connector is plugged on the corresponding input/output port of computing machine, is used for described control signal input computing machine.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032084501U CN2645132Y (en) | 2003-08-27 | 2003-08-27 | Computer automatic protection device |
| KR20-2004-0022622U KR200365979Y1 (en) | 2003-08-27 | 2004-08-09 | Automatic protection apparatus for unattended computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032084501U CN2645132Y (en) | 2003-08-27 | 2003-08-27 | Computer automatic protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2645132Y true CN2645132Y (en) | 2004-09-29 |
Family
ID=34288657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032084501U Expired - Fee Related CN2645132Y (en) | 2003-08-27 | 2003-08-27 | Computer automatic protection device |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR200365979Y1 (en) |
| CN (1) | CN2645132Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968843A (en) * | 2010-09-21 | 2011-02-09 | 东南大学 | Computer operation locking device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101962438B1 (en) * | 2018-05-28 | 2019-03-26 | 주식회사 포유디지탈 | System for automatically saving power of monitor using wireless short range communication of smart phone and method for automatically saving power of monitor using this |
-
2003
- 2003-08-27 CN CNU032084501U patent/CN2645132Y/en not_active Expired - Fee Related
-
2004
- 2004-08-09 KR KR20-2004-0022622U patent/KR200365979Y1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968843A (en) * | 2010-09-21 | 2011-02-09 | 东南大学 | Computer operation locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR200365979Y1 (en) | 2004-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040929 |