CN109241788B - Anti-theft system for portable computer - Google Patents
Anti-theft system for portable computer Download PDFInfo
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- CN109241788B CN109241788B CN201810910395.7A CN201810910395A CN109241788B CN 109241788 B CN109241788 B CN 109241788B CN 201810910395 A CN201810910395 A CN 201810910395A CN 109241788 B CN109241788 B CN 109241788B
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- portable computer
- metal wire
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- heat
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 73
- 239000002184 metal Substances 0.000 claims abstract description 73
- 230000017525 heat dissipation Effects 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005678 Seebeck effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/88—Detecting or preventing theft or loss
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Human Computer Interaction (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention relates to the technical field of theft prevention, in particular to a theft prevention system for a portable computer, which comprises a table plate and a closed support, wherein the table plate is provided with a plurality of grooves hinged with a wind collecting cover, the bottom end of the closed support is fixedly provided with a sealing box, a first metal wire and a second metal wire are arranged between the wind collecting cover and the sealing box, the two ends of the first metal wire and the second metal wire are respectively welded with a hot end and a cold end, the first metal wire is electrically connected with a voltage measurer, and the voltage measurer measures the voltage difference between the two metal wires; the desk plate is provided with a plurality of heat dissipation areas, the heat dissipation areas are provided with a plurality of heat dissipation holes, and the desk plate is provided with a heat radiator for dissipating heat of the notebook computer; the infrared receiver receives infrared light, and the infrared receiver sends a warning signal to the controller when not receiving the infrared light; the controller controls the radiator to radiate the heat of the portable computer according to the voltage value. The invention can prevent the portable computer from being stolen and accelerate the heat dissipation.
Description
Technical Field
The invention relates to the technical field of theft prevention, in particular to a theft prevention system for a portable computer.
Background
The portable computer is a notebook computer, which is deeply loved by consumers due to the characteristics of small volume and light weight, and the shopping malls directly place the portable computers of different brands and different models on the display table body so as to display the use performance of the portable computer for the consumers to refer to.
When the portable computers are sold in the market, the number of consumers is large, a salesperson can not necessarily care for each portable computer, and if the anti-theft equipment is not installed on the portable computers displayed on the counter, the portable computers can be easily removed at will to cause damage and even theft; the portable computer is placed at the same position for a long time, heat dissipation heat is accumulated, heat dissipation of the portable computer is not timely, hardware of the portable computer is subjected to frequency reduction work, the running speed of the portable computer is reduced, and the experience degree of the running speed of a customer during trial is influenced, so that the device for preventing burglary and accelerating heat dissipation of the portable computer is provided; however, the heat dissipation structure easily affects the alarm structure, thereby causing false alarm of the portable computer.
Disclosure of Invention
The invention aims to provide an anti-theft system for a portable computer, which is used for preventing the displayed portable computer from being stolen, accelerating the heat dissipation and preventing false alarm of the theft.
The anti-theft system for the portable computer comprises a display table body, wherein the display table body comprises a table plate, an annular closed support is arranged on the table plate, a plurality of grooves are formed in the table plate, a wind collecting cover capable of aligning to an air outlet of the portable computer is hinged to the side wall of each groove, a sealing box in contact with the ground is fixedly arranged at the bottom end of each closed support, a first metal wire and a second metal wire are arranged between the wind collecting cover and the sealing box, one ends of the first metal wire and the second metal wire are welded to form a hot end positioned in the wind collecting cover, the other ends of the first metal wire and the second metal wire are welded to form a cold end positioned in the sealing box, a voltage measurer is electrically connected onto the first metal wire, and the voltage measurer is used for measuring the voltage difference between the first metal wire and the second metal wire;
the table plate is provided with a plurality of heat dissipation areas for placing the portable computer, the heat dissipation areas are provided with a plurality of heat dissipation holes, one side of the table plate, facing the display table body, is provided with a radiator, and the radiator can cover the heat dissipation holes to dissipate heat of the portable computer;
the portable computer comprises a display table body, and is characterized by further comprising an infrared transmitter, an infrared receiver, a controller and a warning device, wherein the infrared transmitter is positioned at any heat dissipation hole and sends infrared light to the infrared receiver;
the controller is used for obtaining the voltage value of the voltage measurer, the controller controls the heat radiator to radiate heat of the portable computer when the voltage value is larger than the threshold value, and the controller controls the alarm to stop alarming within a fixed time period when the controller receives the alarm signal and the voltage value is larger than the threshold value.
The beneficial effect of this scheme is:
1. when the portable computer is removed by a thief, the infrared receiver can not receive the infrared light of the infrared transmitter and sends a warning signal to the controller, and the controller controls the warning device to give an alarm to remind a worker that the portable computer leaves the display table body, so that the safety of the portable computer is monitored, and the portable computer on the display table body is prevented from being damaged or stolen.
2. The temperature in the air collecting cover is generally higher than that at the sealing box because of the action of notebook heat dissipation airflow, therefore, the temperature of the hot end is higher than that of the cold end, the first metal wire, the second metal wire and the voltage measurer form a closed loop, according to the Secke effect, a voltage difference is generated between the first metal wire and the second metal wire, the voltage difference changes along with the change of the temperature of the hot end head, when the voltage difference is larger than the threshold value, the controller controls the radiator to radiate the heat of the portable computer, the heat radiation of the radiator is triggered by the heat generated by the self radiation of the portable computer, the heat radiation is started more accurately, the waste of electric energy caused by the heat radiation of the radiator which is always started is avoided, meanwhile, the temperature rise caused by the fact that the portable computer is placed on the display table body for a long time and cannot dissipate heat timely is avoided, and the influence on the user experience caused by the fact that the temperature of the portable computer rises and the running speed is reduced is prevented.
3. When the voltage difference is greater than the threshold value and the controller receives the warning signal, the controller controls the warning device to stop for a certain time without alarming, and false alarm caused by the fact that the infrared receiver cannot receive the infrared light of the infrared transmitter due to heat dissipation is avoided.
Further, the radiator includes air pump and piston cylinder, the controller controls the air pump to start when the magnitude of voltage is greater than the threshold value, the air pump is connected with many intake pipes, all set firmly the dish that shelters from that can shelter from the heat dissipation district in the intake pipe, it all fixes on branch to shelter from the dish, the piston board has set firmly on branch, the cooperation of piston board gas tightness is in the piston cylinder, the piston cylinder is fixed on the table, be connected with the outlet duct on the air pump, the outlet duct is connected to and promotes on the piston cylinder on the tip that the piston board removed to the radiating hole side.
When the heat radiator radiates the portable computer, the controller controls the air pump to be started, the air pump pumps out hot air at the position of the shielding plate, the air pump guides the pumped hot air into the piston cylinder, the hot air pushes the piston plate to move towards the heat radiating holes, the shielding plate covers the position of the heat radiating holes, and the hot air for radiating the portable computer is pumped out, so that the heat radiating speed of the portable computer is accelerated.
Further, the shielding plate is shaped like a disk.
The disc-shaped shielding plate can completely shield the heat dissipation holes so as to draw away hot air in the placement area of the portable computer and accelerate the heat dissipation of the portable computer.
Furthermore, elastic pipes are fixedly arranged in the air collecting cover, bonding blocks are connected to the elastic pipes, the first metal wires and the second metal wires penetrate through the elastic pipes to expose hot ends, and surplus lengths are formed in the first metal wires and the second metal wires in the elastic pipes.
Because the air outlet position of different computers is different, pull out bonding piece adhesion to the air outlet department of portable computer, adjust the position of hot end, guarantee to let the temperature of hot end department be higher than the cold junction, facilitate the use.
Further, the elastic tube is a corrugated tube.
The bellows retracts to the initial length automatically after being stretched, and the disorder of the display table body caused by the overlong length of the elastic tube is avoided.
Further, the first metal wire is made of nickel-chromium alloy, and the second metal wire is made of iron.
According to the seebeck effect, when a closed loop formed by the first metal wire, the second metal and the voltage measurer generates a voltage difference, current flows from the first metal wire to the second metal wire, and the voltage measurer is guaranteed to be capable of measuring the voltage difference.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an anti-theft system for a portable computer according to the present invention;
FIG. 2 is a schematic structural diagram of the groove in FIG. 1;
FIG. 3 is a diagram showing the connection relationship between a first metal wire and a second metal wire in an embodiment of the anti-theft system for a portable computer according to the present invention
FIG. 4 is a schematic block diagram of circuitry of an embodiment of the anti-theft system for a portable computer of the present invention.
Detailed Description
The following is a more detailed description of the present invention with reference to specific embodiments.
Reference numerals in the drawings of the specification include: the device comprises a closed support 1, a table plate 2, a portable computer 3, heat dissipation holes 4, an infrared emitter 5, an infrared receiver 6, a piston plate 7, an air outlet pipe 8, a support rod 9, an air inlet pipe 10, an air pump 11, a piston cylinder 12, an air collecting cover 13, a groove 14, a first metal wire 15, a second metal wire 16, a hot end 17, a cold end 18, a voltage measurer 19, an elastic pipe 20 and a bonding block 21.
Anti-theft device for a portable computer 3, as shown in figures 1 and 2: including the show table body, the show table body includes table 2, be equipped with annular closed support 1 on the table 2, a plurality of recesses 14 have been seted up on the table 2, the figure of recess 14 is set for according to the portable computer 3 that the show table body can be placed, it has the wind-collecting cover 13 that can aim at the 3 air outlets of portable computer to articulate through the hinge on the lateral wall of recess 14, all install the elastic tube 20 in the wind-collecting cover 13, the elastic tube 20 uses the bellows, 20 one end bonds in the wind-collecting cover 13 of elastic tube, the elastic tube 20 other end all bonds and has bonding piece 21, it has the viscose layer of adhesion to portable computer 3 on the bonding piece 21.
As shown in fig. 3, a sealing box contacting the ground is welded at the bottom end of the sealing bracket 1, a first metal wire 15 and a second metal wire 16 are arranged between the wind-collecting cover 13 and the sealing box, the first metal wire 15 is made of nickel-chromium alloy, the second metal wire 16 is made of iron, the first metal wire 15 and the second metal wire 16 are wired and extended through the inner wall of the sealing bracket 1, one end of the first metal wire 15 and one end of the second metal wire 16 are welded to form a hot end 17 located in the wind-collecting cover 13, the first metal wire 15 and the second metal wire 16 penetrate through the elastic tube 20 to expose the hot end 17, the first metal wire 15 and the second metal wire 16 in the elastic tube 20 have surplus length, the other end of the first metal wire 15 and the other end of the second metal wire 16 are welded to form a cold end 18 located in the sealing box, the first metal wire 15 is electrically connected with a voltage measurer 19, one side of the first metal wire 15 connected with the hot end 17 is connected with the positive pole of the voltage measurer 19, the first metal is connected to the cold terminal 18 and connected to the negative electrode of the voltage measuring device 19, the voltage measuring device 19 can be a millivoltmeter, and the voltage measuring device 19 is used for measuring the voltage difference between the first metal wire 15 and the second metal wire 16.
It has the heat dissipation area that a plurality of confession portable computer 3 placed to distribute on table 2, the area in heat dissipation area is set for according to portable computer 3's bottom area, a plurality of louvres 4 have all been seted up in the heat dissipation area, for example 20 diameter 1 cm's louvre 4 can be seted up to portable computer 3 to 15.6 inches, table 2 is installed the radiator towards showing on one side of the table internal, the radiator includes air pump 11 and piston tube 12, air pump 11 is located closed support 1, air pump 11 is connected with many intake pipes 10, the figure of intake pipe 10 equals with the figure in heat dissipation area, it has the dish that shelters from that can hide the heat dissipation area all to bond on the intake pipe 10, it is discoid to shelter from the dish, it all bonds on branch 9 to shelter from the dish, branch 9 passes through hanging seat slidable mounting on table 2, all weld on branch 9 piston plate 7, piston plate 7 all gas-tight fit is in piston tube 12, piston tube 12 welds on table 2 towards closed support 1 one side and piston tube 12 is located closed support The air pump 11 is connected with an air outlet pipe 8 in a threaded manner, and the air outlet pipe 8 is connected to the end part of the piston cylinder 12 which pushes the piston plate 7 to move towards the heat dissipation hole 4.
As shown in fig. 4, the portable computer comprises an infrared transmitter 5 located at any heat dissipation hole 4 and sending infrared light to an infrared receiver 6, the infrared transmitter 5 is adhered to the bottom of the portable computer 3 through an adhesive strip, when in use, the portable computer 3 is placed in a heat dissipation area, the infrared transmitter 5 is adhered to the bottom of the portable computer 3 from the heat dissipation hole 4 below the table plate 2, the infrared receiver 6 is located in the display table body and receives the infrared light, the infrared receiver 6 sends a warning signal to the controller when not receiving the infrared light, the warning signal is a sound signal, the controller controls the warning device to alarm according to the warning signal, namely the warning device sends sound to alarm, the controller is used for obtaining the voltage value of a voltage measurer 19, the controller controls the air pump 11 to start when the voltage value is greater than a threshold value, when the controller receives the warning signal and the voltage value is larger than the threshold value, the warning device is controlled to stop alarming in a timed long period, the threshold value can be set to 5 millivolts, and when the controller is used, each computer corresponds to one pair of the infrared transmitter 5 and the infrared receiver 6.
When the portable computer display table is used specifically, a portable computer 3 to be sold or displayed is placed on the surface of a table plate 2 of a display table body, the bottom of the portable computer 3 is completely positioned in a heat dissipation area, meanwhile, an air outlet of the portable computer 3 is aligned with an air collection cover 13, an adhesive block 21 in the air collection cover 13 is pulled out and adhered to a heat dissipation hole 4 of the portable computer 3, a heat end 17 is positioned at the heat dissipation hole 4 of the portable computer 3, and then an infrared emitter is adhered to the bottom of the portable computer 3; in the display process of the portable computer 3, when the portable computer 3 is removed by a thief, the infrared receiver 6 can not receive the infrared light of the infrared emitter 5 and sends a warning signal to the controller, the controller controls the warning device to give an alarm to remind a worker that the portable computer 3 leaves the display table body, the safety of the portable computer 3 is monitored, and the portable computer 3 on the display table body is prevented from being damaged or stolen.
In the display process of the portable computer 3, heat generated by heat dissipation of the portable computer 3 is collected to the air collecting cover 13, the temperature in the air collecting cover 13 is generally higher due to the action temperature of notebook heat dissipation airflow, the temperature in the air collecting cover 13 is higher than the temperature at the sealing box, therefore, the temperature of the hot end head 17 is higher than the temperature of the cold end head 18, the first metal wire 15, the second metal wire 16 and the voltage measurer 19 form a closed loop, voltage difference is generated in the first metal wire 15 and the second metal wire 16 according to the Seker effect, the voltage difference is changed along with the change of the temperature of the hot end head 17, when the voltage difference is larger than a threshold value, the controller controls the radiator to radiate heat to the portable computer 3, the heat generated by the heat dissipation of the portable computer 3 per se is utilized to cause the heat dissipation of the radiator, the heat dissipation is more accurately started, the heat dissipation and electricity waste caused by the heat dissipation of the radiator which is always started, and the temperature increase caused by the situation, the temperature of the portable computer 3 is prevented from rising to reduce the operation speed and the user experience is prevented from being influenced.
In the heat dissipation process of the portable computer 3, the temperature at the air outlet of the portable computer 3 rises, so that the temperature of the hot end 17 rises, a voltage difference is generated between the first metal wire 15 and the second metal wire 16 due to the seebeck effect, when the voltage difference is greater than a threshold value and the controller receives a warning signal, the controller controls the warning device to stop for a certain time without alarming, and the problem that the infrared receiver 6 cannot receive the infrared light of the infrared transmitter 5 to cause false alarm due to heat dissipation is avoided.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. Anti-theft system for portable computer, including the show table body, the show table body includes the table, be equipped with annular closed support on the table, its characterized in that: the table plate is provided with a plurality of grooves, the side walls of the grooves are hinged with a wind collecting cover capable of aligning with an air outlet of the portable computer, the bottom end of the closed support is fixedly provided with a sealing box which is in contact with the ground, a first metal wire and a second metal wire are arranged between the wind collecting cover and the sealing box, one ends of the first metal wire and the second metal wire are welded to form a hot end which is positioned in the wind collecting cover, the other ends of the first metal wire and the second metal wire are welded to form a cold end which is positioned in the sealing box, the first metal wire is electrically connected with a voltage measurer, and the voltage measurer is used for measuring the voltage difference between the first metal wire and the second metal wire;
the table plate is provided with a plurality of heat dissipation areas for placing the portable computer, the heat dissipation areas are provided with a plurality of heat dissipation holes, one side of the table plate, facing the display table body, is provided with a radiator, and the radiator can cover the heat dissipation holes to dissipate heat of the portable computer;
the portable computer comprises a display table body, and is characterized by further comprising an infrared transmitter, an infrared receiver, a controller and a warning device, wherein the infrared transmitter is positioned at any heat dissipation hole and sends infrared light to the infrared receiver;
the controller is used for obtaining the voltage value of the voltage measurer, the controller controls the heat radiator to radiate heat of the portable computer when the voltage value is larger than the threshold value, and the controller controls the alarm to stop alarming within a fixed time period when the controller receives the alarm signal and the voltage value is larger than the threshold value.
2. The antitheft system for a portable computer according to claim 1, characterized in that: the radiator includes air pump and piston cylinder, the controller controls the air pump to start when the magnitude of voltage is greater than the threshold value, the air pump is connected with many intake pipes, all set firmly the dish that shelters from that can hide the radiating area in the intake pipe, it all fixes on branch to shelter from the dish, the piston board has set firmly on branch, piston board gas tightness cooperation is in the piston cylinder, the piston cylinder is fixed on the table, be connected with the outlet duct on the air pump, the outlet duct is connected to and promotes on the piston cylinder on the tip that the piston board moved to the radiating hole side.
3. The antitheft system for a portable computer according to claim 2, characterized in that: the shielding disc is disc-shaped.
4. The antitheft system for a portable computer according to claim 1, characterized in that: elastic pipes are fixedly arranged in the air collecting cover, bonding blocks are connected to the elastic pipes, the first metal wires and the second metal wires penetrate through the elastic pipes to expose hot ends, and surplus lengths are formed in the first metal wires and the second metal wires in the elastic pipes.
5. The antitheft system for a portable computer according to claim 4, characterized in that: the elastic tube is a corrugated tube.
6. The antitheft system for a portable computer according to claim 1, characterized in that: the first metal wire is made of nickel-chromium alloy, and the second metal wire is made of iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810910395.7A CN109241788B (en) | 2018-08-10 | 2018-08-10 | Anti-theft system for portable computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810910395.7A CN109241788B (en) | 2018-08-10 | 2018-08-10 | Anti-theft system for portable computer |
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| Publication Number | Publication Date |
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| CN109241788A CN109241788A (en) | 2019-01-18 |
| CN109241788B true CN109241788B (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810910395.7A Active CN109241788B (en) | 2018-08-10 | 2018-08-10 | Anti-theft system for portable computer |
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| CN (1) | CN109241788B (en) |
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| CN207123915U (en) * | 2017-07-21 | 2018-03-20 | 淮阴师范学院 | A kind of novel computer anti-theft device |
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| US6191943B1 (en) * | 1998-11-12 | 2001-02-20 | Compaq Computer Corporation | Docking station with thermoelectric heat dissipation system for docked portable computer |
| CN101046907A (en) * | 2006-03-31 | 2007-10-03 | 鸿富锦精密工业（深圳）有限公司 | Start device for alarm of note-book computer |
| CN102188104B (en) * | 2011-03-29 | 2013-07-10 | 高珊 | Antitheft folding portable wall-mounted laptop table |
| CN204722514U (en) * | 2015-06-26 | 2015-10-28 | 中国热带农业科学院科技信息研究所 | The desk of notebook can be placed |
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|---|---|---|---|---|
| CN201891993U (en) * | 2010-08-10 | 2011-07-06 | 江苏大学 | Portable theftproof notebook computer rack |
| CN202060257U (en) * | 2011-03-29 | 2011-12-07 | 高珊 | Folding portable type wall-hanging notebook computer desk with anti-theft function |
| CN104933794A (en) * | 2015-06-25 | 2015-09-23 | 郭萌 | Intelligent lock system |
| CN105133954A (en) * | 2015-06-25 | 2015-12-09 | 郭萌 | Intelligent lock |
| CN207123915U (en) * | 2017-07-21 | 2018-03-20 | 淮阴师范学院 | A kind of novel computer anti-theft device |
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| CN109241788A (en) | 2019-01-18 |
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Effective date of registration: 20210107 Address after: Room 501, office building, Langchuan Avenue, Jianping Town, Langxi County, Xuancheng City, Anhui Province Patentee after: Zeng Huan Address before: 564500 Guojiu Avenue, Zhongxin Town, Renhuai City, Zunyi City, Guizhou Province Patentee before: GUIZHOU RENHUAI XIKE COMPUTER TECHNOLOGY Co.,Ltd. |
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