CN1719374A - Computer network switch over and hard disk physical isolation device and isolation method - Google Patents
Computer network switch over and hard disk physical isolation device and isolation method Download PDFInfo
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- CN1719374A CN1719374A CNA2005100419463A CN200510041946A CN1719374A CN 1719374 A CN1719374 A CN 1719374A CN A2005100419463 A CNA2005100419463 A CN A2005100419463A CN 200510041946 A CN200510041946 A CN 200510041946A CN 1719374 A CN1719374 A CN 1719374A
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Abstract
The present invention relates to a computer network switchover and hard-disk physical isolation device and its isolation method. The internal network and external network can be freely switched over. In the mobile hard-disk box a circuit board is fixed, on said circuit board a connection port, a data wire interface and a power supply wire interface are mounted. Besides, said mobile hard-disk box also has the components of wire jumper switcher, hard-disk wire jumper plug, slide shifting block and network interface card, etc.
Description
Technical field
The present invention relates to computer information safety technique, specifically is the technology that computer network switches and hard disc physical is isolated.
Background technology
The patent No. is 02205917.2, name is called on the mainframe box that the described switch of Computer Memory Unit switch is arranged on computing machine or the cabinet outside, influence the outward appearance of former computing machine, and the jumper wire plug of prior art must be connected plurality of memory cells with attaching plug, and storage unit must be installed in the computing machine again.
The patent No. is 01235065.6, name is called computing machine that main ﹠ auxiliary disk safety switches with the switching of multidigit change-over switch control hard disk main ﹠ auxiliary disk, during online work, the original hard disk of computing machine promptly quits work, force newly-increased hard disk that one cover operating system must be installed like this, and newly-increased hard disk also must be installed in the computing machine.
Summary of the invention
The objective of the invention is freely switching of internal network and external network, when being implemented in the work of disk cartridge participating computer, the automatic cutout external network connects, connects internal network or disconnect network fully and connects, and reaches the physically-isolated purpose of inner important information and external network or all-network.And can be according to user's needs, under the situation of not opening computer mainframe box, only by stirring the switch on the disk cartridge box, control Fixed disk power switch, switch the major and minor dish wire jumper of cabinet internal fixation hard disk, finish machine internal fixation hard disk and disk cartridge master slave relation and switch, realize that the SOS guiding on the complete meaning starts, avoided in disorder drawback of the data storage that hard disk caused of a plurality of operating system coexistences.
Computer network switches and hard disk physical isolation device, its fixed support (2) can be directly installed on the idle CD-ROM drive installation site of computing machine, disk cartridge is installed in the disk cartridge box with protective effect, go up installation at the circuit board (1 ') of disk cartridge box and connect abundant (101) and data bus connection (104) and power supply line (107), the disk cartridge box is provided with disk cartridge major-minor dish wire jumper and hard disk power supply combined switch (102) and disk cartridge jumper wire plug (105,106) and slip shifting block (103); Fix a circuit board (2 ') on the fixed support (2), on the interface (207 that connects abundant (201) and be connected mainboard data line interface (208), connection host power supply is arranged, 210), be provided with main frame internal fixation hard disk controllable electric power interface (211) and Fixed disk power switch (209), Fixed disk major-minor dish wire jumper change-over switch (202) and jumper wire plug (205,206) and network change-over switch (204) and be used for the network on-off switch (203) of control interface mound (301) break-make, connect the line of network interface unit; Be connected the supporting use of mound (201) on connection mound (101) on the disk cartridge box and the fixed support, realize that disk cartridge (5) is connected with the mainboard data line with main frame to power to disk cartridge; Network interface unit (3) is provided with plug or the socket (301) that connects network interface card, the socket (302) and the socket that is connected external network (303) that is used to connect internal network, and the network change-over switch on network interface unit (3) has netting twine and circuit board (2 ') is set links to each other with the network on-off switch.
Computer network switches and the hard disc physical partition method, during the work of disk cartridge participating computer, can start the operating system of installing on the computing machine internal fixation hard disk, also can start the operating system that other has been installed on disk cartridge.After network switch, main frame internal fixation hard disk and disk cartridge be participating computer work simultaneously, also can select one of them by switch (102) is duty, another is an off-position, when for the first time this device being installed, the data line (104) of disk cartridge box is linked to each other with disk cartridge data-interface (501); Attaching plug (107) links to each other with the power interface (503) of disk cartridge; Hard disk wire jumper inserted block (105) inserts the master position of disk cartridge in the disk cartridge box, and wire jumper inserted block (106) inserts the bracket panel position of disk cartridge;
Main frame mainboard data line (401) and fixed support data-interface (208), host power supply (402) is connected with (207), host power supply (403) is connected with (210), the Fixed disk power interface is connected with (211), with the master position that hard disk wire jumper inserted block (205) on the fixed support inserts computing machine internal fixation hard disk, wire jumper inserted block (206) inserts the bracket panel position of computing machine internal fixation hard disk;
The reference position of switch (202) is that switch is not pressed, and this moment, the Fixed disk wire jumper was that master is communicated with, and the position that switch (202) is pressed is the working position, and this moment, the Fixed disk wire jumper was communicated with for negative dish;
The reference position of switch (209) is that switch is not pressed, this moment the Fixed disk power connection, the position that switch (209) is pressed is the working position, this moment, Fixed disk was an off-position;
Interface mound (301) above the network interface unit is connected on the computing machine network interface card;
Interface mound (302) connects the Intranet netting twine; Interface mound (303) connects the outer net netting twine;
Switch (204) is used for the switching that interface mound (302) or interface mound (303) are connected with switch (203), the reference position of switch (204) is that switch is not pressed, external network interface (303) is communicated with switch (203), the position that switch (204) is pressed is the working position, and internal network interface this moment (302) is communicated with switch (203);
Switch (203) is used for interface mound (301) self break-make and switches, the reference position of switch (203) is that switch is not pressed, interface mound (301) is communicated with switch (204), and the position that switch (203) is pressed is the working position, and interface mound this moment (301) disconnects fully with switch (204).
Usefulness of the present invention is: can be directly installed on the idle CD-ROM drive installation site of computing machine, the computing machine outward appearance not made any change, installing/dismounting is simple.Fixed disk and disk cartridge quantity can be regardless of very according to computer motherboard hard disc data interface quantity or data of magnetic disk array interface quantity, even number is installed.This device can be fixed on the fixed support on the CD-ROM drive installation slot in the mainframe box by one; the disk cartridge box that can plug arbitrarily on fixed support or pull up, connect and protect disk cartridge can be installed in idle network interface unit and the compositions such as gauge tap and circuit board of expanding mouth of computer host box.This installs described disk cartridge box can be under the situation of not opening computer mainframe box, plug arbitrarily on fixed support; Under the situation of not dismantling computer mainframe box, by the insertion of disk cartridge box or pull out that the major-minor dish wire jumper that carries out main frame internal fixation hard disk is provided with and the hard disk power on/off is controlled; Carry out intranet and extranet switching or complete network simultaneously and disconnect control.
Description of drawings
Fig. 1 is a spatial structure sketch of the present invention, and Fig. 2 is an assembling synoptic diagram of the present invention, and Fig. 3 is a connection diagram, Figure 4 shows that SCSI hot plug hard disk embodiment synoptic diagram, Figure 5 shows that the embodiment synoptic diagram of interfaces such as adopting USB or 1394.
Embodiment
Launch device and method of the present invention below in conjunction with accompanying drawing.
As shown in Figure 3, the structure of apparatus of the present invention is: fixed support (2) can be directly installed on the idle CD-ROM drive installation site of computing machine, disk cartridge is installed in the disk cartridge box with protective effect, connection abundant (101) and data bus connection (104) and power supply line (107) are installed on the circuit board of disk cartridge box, and the disk cartridge box is provided with disk cartridge on/off and major-minor dish wire jumper changing-over combined switching (102) and hard disk jumper wire plug (105,106) and slip shifting block (103); Fix a circuit board (2 ') on the fixed support (2), on the interface (207,210) that connects abundant (201) and be connected mainboard data line interface (208), connection host power supply is arranged, be provided with main frame internal fixation hard disk major-minor dish wire jumper change-over switch (202) and jumper wire plug (205,206) but, Fixed disk power supply control interface (211) and power switch (209) and network change-over switch (204) and network on-off switch (203), connect the line of network interface unit; Be connected the supporting use of mound (201) on connection mound (101) on the disk cartridge box and the fixed support, realize that disk cartridge (5) is connected with the mainboard data line with main frame to power to disk cartridge; Network interface unit (3) is provided with plug or the socket (301) that connects network interface card, the socket (302) and the socket that is connected external network (303) that is used to connect internal network, and the network change-over switch on network interface unit (3) has netting twine and circuit board (2 ') is set links to each other with the network on-off switch.
As shown in Figure 3, when for the first time this device being installed, the data line (104) of disk cartridge box is linked to each other with hard disc data interface (501); Attaching plug (107) links to each other with (503); Hard disk wire jumper inserted block (105) inserts the master position of disk cartridge in the disk cartridge box, and wire jumper inserted block (106) inserts the bracket panel position of disk cartridge, and switch (102) is used for the switch of major and minor dish wire jumper switching of the interior hard disk of disk cartridge box and power supply.Main frame mainboard data line (401) is connected with fixed support data-interface (208), and host power supply (402) is connected with (207), and host power supply (403) is connected with (210); With the master position that hard disk wire jumper inserted block (205) on the fixed support inserts computing machine internal fixation hard disk, wire jumper inserted block (206) inserts the bracket panel position of computing machine internal fixation hard disk, and (211) are connected with the Fixed disk power interface; Switch (202) is put the spring automatic reset switch for small-sized double-pole is two, is used for the major and minor dish wire jumper of computing machine internal fixation hard disk and switches, and switch (209) is put the spring automatic reset switch for small-sized four blade is two, is used for computing machine internal fixation hard disk power switch.The reference position of switch (202) is that switch is not pressed, and this moment, the Fixed disk wire jumper was that master is communicated with, and the position that switch (202) is pressed is the working position, and this moment, the Fixed disk wire jumper was that bracket panel is communicated with.The reference position of switch (209) is that switch is not pressed, this moment the Fixed disk power connection, the position that switch (209) is pressed is the working position, this moment, the Fixed disk power supply disconnected.Switch (203) is used for control interface mound (301) break-make, the reference position of switch (203) is that switch is not pressed, network interface this moment (301) is communicated with switch (204), the position that switch (203) is pressed is the working position, network interface this moment (301) disconnects with switch (204), realizes the switching of network break-make; Switch (204) is used for interface mound (302) or interface mound (303) is switched with the break-make of switch (203), realizes the switching of internal network and external network.The reference position of switch (204) is that switch is not pressed, and (303) are communicated with (203) at this moment, and (302) disconnect with (203), and the position that switch (204) is pressed is the working position, and (302) are communicated with (203) at this moment, and (303) disconnect with (203).Switch (102) can be set 4 gears, and its projection can be used for the action of gauge tap (202) and (209), and slip shifting block (103) can be set 3 gears, and no circuit connects, and is used for the action of gauge tap (203) and (204).Interface mound (301) above the network interface unit is connected on the computing machine network interface card; Interface mound (302) connects the Intranet netting twine; Interface mound (303) connects the outer net netting twine.
As shown in Figure 3, switch (102) can place ME, MI, three positions of SE, when switch (102) places the position of " ME " (figure does not indicate), the hard disk wire jumper is set to " master " in the disk cartridge box, when the disk cartridge box inserts support, switch (209) is pressed by switch (102) projection, the outage of computing machine internal fixation hard disk.When computer booting, disk cartridge uses as the system bootstrap dish, starts the operating system of installing on the disk cartridge automatically, and computing machine internal fixation hard disk does not participate in data and shares.When switch (102) places the position of " MI " (figure does not indicate), hard disk outage in the disk cartridge box, when the disk cartridge box inserts support, switch (202,209) can not be pressed by switch (102) projection and be in reference position, and computing machine internal fixation hard disk wire jumper is set to " master ", computing machine internal fixation hard disk uses as the system bootstrap dish, when computer booting, start the operating system of installing on the computing machine internal fixation hard disk automatically, disk cartridge does not participate in data and shares.When switch (102) places the position of " SE " (figure does not indicate), the hard disk wire jumper is set to " bracket panel " in the disk cartridge box, when the disk cartridge box inserts support, switch (202,209) all can not be pressed and be in reference position by switch (102) projection, computing machine internal fixation hard disk wire jumper is set to " master ", computing machine internal fixation hard disk uses as the system bootstrap dish, when computer booting, automatically start the operating system of installing on the computing machine internal fixation hard disk, disk cartridge is shared as system's bracket panel participation data simultaneously.When switch (102) places the position of " SI ", hard disk is set to " master " in the disk cartridge box, when the disk cartridge box inserts support, switch (209) is in reference position, switch (202) is pressed by switch (102) projection and is in the working position, and computing machine internal fixation hard disk wire jumper is set to " bracket panel ", when computer booting, automatically start the operating system of installing on the disk cartridge in the computing machine, Fixed disk participation data are shared simultaneously.
Slip shifting block (103) can place E, I, three positions of O, when slip shifting block (103) places the position of " E " (figure does not indicate), the shifting block (103) that slides this moment can not be pressed switch (203 and 204), switch (203,204) all is in reference position, network connects outer net, and data are easily illegally stolen by outer net in the hard disk.When slip shifting block (103) places the position of " I " (figure does not indicate), (103) can not press switch (203), be in reference position, switch (103) projection is pressed switch (204), switch (204) is in the working position, network connects Intranet, can guarantee that data are not illegally stolen by outer net in the hard disk, but easily illegally be stolen by Intranet.When slip shifting block (103) placed the position of " O " (figure does not indicate), switch (103) projection was pressed switch (203), and switch (203) is in the working position, and internal-external network all disconnects, and can guarantee that data are not illegally stolen by intranet and extranet in the hard disk.
As shown in Figure 3, when the disk cartridge box was extracted, (202), (203), (204), (209) all were in reference position, and computing machine internal fixation hard disk is system's master, and guidance system is finished startup, not participation system work of disk cartridge; Network is connected to outer net.
As shown in Figure 3, when hard disk insertion fixed support was not installed in the disk cartridge box, switch (102) should be set in " MI " position, and computing machine internal fixation hard disk is system's master, and guidance system is finished startup.This moment, the disk cartridge box still had network switching and network break-make control function, and when slip shifting block (103) was set in " E ", (103) projection was all inoperative to (203) and (204), and network is connected to outer net; When slip shifting block (103) was set in " I ", (103) projection was only pressed (204), and network is connected to Intranet; When slip shifting block (103) was set in " O ", (103) projection was only pressed (203) and is in the working position, and intranet and extranet all disconnect.
As shown in Figure 3, the disk cartridge box is installed hard disk, when switch (102) places the position of " MI ", hard disk outage in the disk cartridge box, when the disk cartridge box inserted support, computing machine internal fixation hard disk wire jumper was set to " master ", computing machine internal fixation hard disk uses as the system bootstrap dish, when computer booting, start the operating system of installing on the computing machine internal fixation hard disk automatically, disk cartridge does not participate in data and shares.When slip shifting block (103) placed the position of " E ", network was connected to outer net and is communicated with, and the data on the Fixed disk are easily illegally usurped by external user; When slip shifting block (103) placed the position of " I ", network was connected to Intranet and is communicated with, and the data on the Fixed disk are easily illegally usurped by Intranet user; When slip shifting block (103) placed the position of " O ", internal-external network all disconnected, and can guarantee that the data on the Fixed disk are not illegally usurped by the network user.
When switch (102) places the position of " ME ", when the disk cartridge box inserts support, the outage of computing machine internal fixation hard disk, hard disk is set at master in the disk cartridge box, and guidance system is finished startup.When slip shifting block (103) placed the position of " E ", network was connected to outer net and is communicated with, and the data in the disk cartridge box on the hard disk are easily illegally usurped by external user; When slip shifting block (103) placed the position of " I ", network was connected to Intranet and is communicated with, and the data on the disk cartridge are easily illegally usurped by Intranet user; When slip shifting block (103) placed the position of " O ", internal-external network all disconnected, and can guarantee that the data on the hard disk are not illegally usurped by the network user in the disk cartridge box.
When switch (102) places the position of " SI ", hard disk is set at master in the disk cartridge box, and when the disk cartridge box inserted support, disk cartridge was as system's master, and guidance system is finished startup during start, and computing machine internal fixation hard disk is as bracket panel.When slip shifting block (103) placed the position of " E ", network was connected to outer net and is communicated with, and the data on all hard disks are easily illegally usurped by external user; When slip shifting block (103) placed the position of " I ", network was connected to Intranet and connects, and the data on all hard disks are easily illegally usurped by Intranet user; When slip shifting block (103) placed the position of " O ", internal-external network all disconnected, and can guarantee that the data on all hard disks are not illegally usurped by the network user.
When switch (102) places the position of " SE ", the hard disk wire jumper is set to bracket panel in the disk cartridge box, when the disk cartridge box inserts support, computing machine internal fixation hard disk wire jumper is set to " master ", computing machine internal fixation hard disk uses as the system bootstrap dish, when computer booting, start the operating system of installing on the computing machine internal fixation hard disk automatically, disk cartridge is shared as system's bracket panel participation data simultaneously.When slip shifting block (103) placed the position of " E ", network was connected to outer net and is communicated with, and the data on all hard disks are easily illegally usurped by external user; When slip shifting block (103) placed the position of " I ", network was connected to Intranet and is communicated with, and the data on all hard disks are easily illegally usurped by Intranet user; When slip shifting block (103) placed the position of " O ", internal-external network all disconnected, and can guarantee that the data on all hard disks are not illegally usurped by the network user.
Figure 4 shows that SCSI hot plug hard disk embodiment, (6) are SCSI hot plug hard disk; (601) be hot plug hard disc data and power interface; Switch (602) is identical with above-mentioned switch (102) function, and switch (603) is identical with above-mentioned switch (103) function; (605) above-mentioned (105) function is identical, and (606) above-mentioned (106) function is identical; (701) be and (601) matching used interface to connect main frame mainboard data power interfaces (9); Switch (702) is identical with above-mentioned switch (202) function, and switch (703) is identical with above-mentioned switch (203) function, and switch (704) is identical with above-mentioned switch (204) function, and switch (709) is identical with above-mentioned switch (109); (705) identical with above-mentioned (205) function, (706) are identical with above-mentioned (206) function; (707) be the line that is used to control the Fixed disk power supply; (801) identical with above-mentioned (301) function, (802) are identical with above-mentioned (302) function, and (803) are identical with above-mentioned (303) function.
Figure 5 shows that the embodiment of interfaces such as adopting USB or 1394, support hot plug.Hard-disk cartridge (10) can adopt existing product on the market, and fixed support can customize by (10) size.(1004) be that hard disc data and power supply change the USB circuit board, (1001) are interfaces such as USB or 1394, and (1101) are interfaces such as USB or 1394, and (1001) are and (1101) matching used interface; Switch (1002) only is used to control the disk cartridge power on/off, and switch (1003) is identical with above-mentioned switch (103) function; Switch (1103) is identical with above-mentioned switch (203), and switch (1104) is identical with above-mentioned switch (204); (1301) identical with above-mentioned (301) function, (1302) are identical with above-mentioned (302) function, and (1303) are identical with above-mentioned (303) function.
Claims (9)
1, computer network switches and hard disk physical isolation device, its fixed support (2) can be directly installed on the idle CD-ROM drive installation site of computing machine, disk cartridge is installed in the disk cartridge box with protective effect, it is characterized in that fixing a circuit board (1 ') at the disk cartridge box, install on it and connect abundant (101) and data bus connection interface (104) and power supply line interface (107), the disk cartridge box is provided with disk cartridge major-minor dish wire jumper change-over switch (102), hard disk jumper wire plug (105,106) and slip shifting block (103); Fix a circuit board (2 ') on the fixed support (2), on the interface (207 that connects abundant (201) and be connected mainboard data line interface (208), connection host power supply is arranged, 210), be provided with main frame internal fixation hard disk major-minor dish wire jumper change-over switch (202) and jumper wire plug (205,206), switch (209) and the network change-over switch (204) of control Fixed disk power on/off and be used for the network on-off switch (203) of control interface mound (301) break-make, the line of connection network interface unit; Be connected the supporting use of mound (201) on connection mound (101) on the disk cartridge box and the fixed support, realize that Fixed disk (5) is connected with the mainboard data line with main frame to power to disk cartridge; Network interface unit (3) is provided with plug or the socket (301) that connects network interface card, the socket (302) and the socket that is connected external network (303) that is used to connect internal network, and the network change-over switch (204) on network interface unit (3) has netting twine and is arranged on circuit board (2 ') links to each other with network on-off switch (203).
2, computer network according to claim 1 switches and hard disk physical isolation device, it is characterized in that all types of hot plug hard disks are provided with switch on the hard disk body, or on hard disk movable support and fixed support switch is installed.
3, computer network according to claim 1 switches and hard disk physical isolation device, it is characterized in that the switch that all types of hot plug hard disks are provided with on the hard disk body adopts optoelectronic switch, perhaps induction type non-contact switch.
4, computer network according to claim 1 switches and hard disk physical isolation device, it is characterized in that switch (202) for being used for the automatic reset switch that the major and minor dish wire jumper of computing machine internal fixation hard disk switches, (209) are the automatic reset switch of control Fixed disk on/off.
5, computer network switches and the hard disc physical partition method, during the work of disk cartridge participating computer, can start the operating system of installing on the computing machine internal fixation hard disk, also can start the operating system that other has been installed on disk cartridge, after network switch, main frame internal fixation hard disk and disk cartridge be participating computer work simultaneously, also can select one of them is duty, another is an off-position, when it is characterized in that for the first time this device being installed, the data line (104) of disk cartridge box is linked to each other with hard disc data interface (501); Attaching plug (107) links to each other with (503); Hard disk wire jumper inserted block (105) inserts the master position of disk cartridge in the disk cartridge box, and wire jumper inserted block (106) inserts the bracket panel position of disk cartridge;
Main frame mainboard data line (401) and fixed support data-interface (208), host power supply (402) is connected with (207), and host power supply (403) is connected with (210), and (211) are connected with the Fixed disk power interface; With the master position that hard disk wire jumper inserted block (205) on the fixed support inserts computing machine internal fixation hard disk, wire jumper inserted block (206) inserts the bracket panel position of computing machine internal fixation hard disk;
The reference position of switch (202) is that switch is not pressed, and this moment, the Fixed disk wire jumper was that master is communicated with, and the position that switch (202) is pressed is the working position, and this moment, the Fixed disk wire jumper was that bracket panel is communicated with;
Switch (209) reference position is that switch is not pressed, Fixed disk energising this moment, and the position that switch (209) is pressed is the working position, Fixed disk outage this moment;
Interface mound (301) above the network interface unit is connected on the computing machine network interface card;
Interface mound (302) connects the Intranet netting twine; Interface mound (303) connects the outer net netting twine;
Switch (204) is used for the switching that interface mound (302) or interface mound (303) are connected with interface mound (203), the reference position of switch (204) is that switch is not pressed, external network interface is communicated with switch (203), the position that switch (204) is pressed is the working position, and this moment, internal network interface was communicated with switch (203);
Switch (203) is used for interface mound (301) self break-make and switches, the reference position of switch (203) is that switch is not pressed, interface mound (301) is communicated with switch (204), and the position that switch (203) is pressed is the working position, and interface mound this moment (301) disconnects fully with switch (204).
6, computer network according to claim 4 switches and the hard disc physical partition method, it is characterized in that adopting IDE connected mode, perhaps SCSI connected mode, perhaps USB connected mode, perhaps 1394 connected modes as the hard disk of active storage unit.
7, computer network according to claim 4 switches and the hard disc physical partition method, it is characterized in that on connection mound (101) and the fixed support on the disk cartridge box what be connected that mound (201) adopts is the contact connection, or the contactless transmission of photoelectricity.
8, computer network according to claim 6 switches and the hard disc physical partition method, it is characterized in that switch (202,203,204,209) can be installed in support bracket fastened other positions.
9, computer network according to claim 6 switches and the hard disc physical partition method, it is characterized in that switch (102,103) can be installed in other positions of disk cartridge box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100419463A CN100487627C (en) | 2005-04-06 | 2005-04-06 | Computer network switch over and hard disk physical isolation device and isolation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100419463A CN100487627C (en) | 2005-04-06 | 2005-04-06 | Computer network switch over and hard disk physical isolation device and isolation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1719374A true CN1719374A (en) | 2006-01-11 |
| CN100487627C CN100487627C (en) | 2009-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100419463A Expired - Fee Related CN100487627C (en) | 2005-04-06 | 2005-04-06 | Computer network switch over and hard disk physical isolation device and isolation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139880A (en) * | 2015-08-19 | 2015-12-09 | 浪潮电子信息产业股份有限公司 | CD-ROM drive power supply cable fixing device for preventing cable from falling off based on modularization |
| CN107122684A (en) * | 2017-05-05 | 2017-09-01 | 河南理工大学 | A kind of information security of computer network control device |
-
2005
- 2005-04-06 CN CNB2005100419463A patent/CN100487627C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139880A (en) * | 2015-08-19 | 2015-12-09 | 浪潮电子信息产业股份有限公司 | CD-ROM drive power supply cable fixing device for preventing cable from falling off based on modularization |
| CN107122684A (en) * | 2017-05-05 | 2017-09-01 | 河南理工大学 | A kind of information security of computer network control device |
| CN107122684B (en) * | 2017-05-05 | 2019-12-03 | 河南理工大学 | A kind of information security of computer network control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100487627C (en) | 2009-05-13 |
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