CN201332557Y - Wireless transmission terminal equipment - Google Patents
Wireless transmission terminal equipment Download PDFInfo
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- CN201332557Y CN201332557Y CNU2009200033315U CN200920003331U CN201332557Y CN 201332557 Y CN201332557 Y CN 201332557Y CN U2009200033315 U CNU2009200033315 U CN U2009200033315U CN 200920003331 U CN200920003331 U CN 200920003331U CN 201332557 Y CN201332557 Y CN 201332557Y
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- wireless transmission
- terminal equipment
- transmission terminal
- air inlet
- gas
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Abstract
A wireless transmission terminal equipment comprises a shell with a inner chamber, a main circuit board positioned in the inner chamber and connecting interface; the shell is provided with air inlet and air outlet; a air passage forms in inner chamber from air inlet to air outlet; the air inlet and air outlet distributes among positions of different height, preferentially the air inlet and outlet are separately provided at upper surface and lower surface of shell; air drive device is provided at air passage such as air inlet, opening and outlet; wireless transmission terminal equipment is provided with temperature sensing unit; main circuit board comprises a processor and temperature sensing unit; air drive device separately connects with processor. The wireless transmission terminal equipment of the utility can reduce working temperature, promotes working performance, increase safety and radiation during trend of reduced size of wireless terminal equipment.
Description
Technical field
The relevant wireless transmission terminal equipment of the utility model, particularly relevant for example these class wireless transmission terminal equipments such as data card, radio modem, wireless transmission fixed station, portable terminal.
Background technology
Wireless transmission terminal equipment mainly is meant and can utilizes wireless network to connect the data equipment that the Internet carries out transfer of data, comprises data card, radio modem, wireless transmission fixed station, portable terminal or the like.Wherein data card comprises various 3G network data cards, multiple models such as WIFI/WIMAX data card.In recent years, along with the continuous lifting of people, more and more higher for the requirement of the small size of wireless transmission terminal equipment, low-power consumption, performance index such as high-speed to the product instructions for use.Particularly the transmission rate of wireless transmission terminal equipment is more and more higher at present, the also corresponding rising of power consumption, so the temperature of wireless transmission terminal equipment also and then rises during work, and the rising of temperature can bring a lot of negative problems, for example cause performance decrease, more seriously there is very big potential safety hazard in the life-span of also reducing device simultaneously, so the heat radiation of wireless transmission terminal equipment just becomes the problem that must pay close attention to.
The present wireless transmission terminal equipment particularly development trend of data card is that volume is more and more littler, thereby the temperature of wireless transmission terminal equipment will be more and more higher, so heat radiation just more and more becomes a very serious problem.The heat dissipation problem of wireless transmission terminal equipment is a major obstacles that influences wireless transmission terminal equipment performance and smaller volume, also becomes the technical barrier that an industry is difficult to breakthrough.
The utility model content
The utility model embodiment technical problem to be solved provides a kind of wireless transmission terminal equipment, can reduce temperature, raising service behaviour, the increase fail safe of wireless transmission terminal equipment when work, and under the development trend that the volume of wireless transmission terminal equipment constantly dwindles, also can play excellent radiating effect.
Embodiment of the present utility model provides a kind of wireless transmission terminal equipment, this wireless transmission terminal equipment comprises the shell with internal chamber, main circuit veneer and the connecting interface that is arranged in internal chamber, it is characterized in that: described shell is provided with air inlet and gas outlet, and described internal chamber forms gas channel between air inlet and gas outlet.After cold air so externally enters from air inlet, just can absorb high-temperature components for example after the heat on the main circuit veneer, the hot-air that absorbs heat can be extruded by the outside cold air that enters, thereby the inner chamber chamber of wireless transmission terminal equipment just can participate in the middle of macroscopical cross-ventilation behavior of external environment condition, has played better heat radiating effect.
According to such scheme, the utility model embodiment has changed the habitual design that people only limit to adopt heat conduction in the heat exchange pattern and thermal radiation dual mode to dispel the heat for wireless transmission terminal equipment, air inlet and gas outlet have been designed with external communications, allow wireless transmission terminal equipment be communicated with extraneous air, allow cool exterior air can pass wireless transmission terminal equipment, the heat of internal chamber is participated in the middle of the central macroscopical air thermal convection heat radiation process of external environment condition, externally adopted unique " thermal convection " radiating mode that is not employed in the radiating mode between the internal chamber of cold air and wireless transmission terminal equipment, reduced the temperature of wireless transmission terminal equipment when work effectively, improve service behaviour, increase fail safe, and under the development trend that the volume of wireless transmission terminal equipment constantly dwindles, also can play excellent radiating effect, make that the heat dissipation problem of transmission terminal equipment no longer is the obstacle that influences wireless transmission terminal equipment performance and smaller volume, fundamentally solved the technical barrier that wireless transmission terminal equipment performance and smaller volume are taken into account.
Description of drawings
Fig. 1 is the front view of the broken section of the utility model execution mode 1.
Fig. 2 cuts open schematic diagram for the A-A of Fig. 1 to ladder.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is the front view of the broken section of the utility model execution mode 2.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the stereogram of the U type conducting element in the utility model.
Fig. 7 is the front view of the broken section of the utility model execution mode 3.
Fig. 8 is the front view of the broken section of the utility model execution mode 4.
Fig. 9 is the circuit block diagram of the utility model quick heat radiating pattern.
Figure 10 is the front view of the broken section of the utility model execution mode 5.
Figure 11 cuts open schematic diagram for the ladder of Figure 10.
Figure 12 is the front view of the broken section of the utility model execution mode 6.
Figure 13 cuts open schematic diagram for the ladder of Figure 12.
Figure 14 is the front view of the broken section of the utility model execution mode 7.
Figure 15 cuts open schematic diagram for the ladder of Figure 14.
Figure 16～18 are the schematic diagram to the 2 further improved preferred implementations of execution mode among Fig. 4.
Embodiment
The utility model provides a kind of wireless transmission terminal equipment, for example data card, radio modem, wireless transmission fixed station, portable terminal etc., but other wireless transmission terminal equipment that can connect the Internet and cause working temperature to rise along with transmission rate increase, smaller volume also should be included in the pointed wireless transmission terminal equipment of the utility model.Though the utility model has only exemplified the several of wireless transmission terminal equipment; but obvious other NM kind; as long as enclosure has free space, can construct gas channel and adopt radiator structure of the present utility model, also should belong to protection range of the present utility model.
In the utility model, only be that example describes in detail with the data card, as for radio modem, wireless transmission fixed station, portable terminal etc., because of project organization and data card basic identical, can implement according to the execution mode of the data card in the present embodiment fully, therefore in the utility model, will describe the concrete structure of radio modem, wireless transmission fixed station etc. no longer one by one in detail.
As shown in Figure 1, 2, 3, the execution mode 1 of the wireless transmission terminal equipment that provides for the utility model.It shown in the figure data card, comprise for example USB interface of the shell 2 with internal chamber 1, the main circuit veneer 3 that is arranged in internal chamber 1 and connecting interface 4, usually shell 2 and main circuit veneer 3 parallel surfaces greatly are referred to as upper surface 21 and lower surface 22, two facing surfaces along data card thickness direction on vertical with main circuit veneer 3 are side surface 23 and side surface 24, and will be called end face 25 and end face 26 along the less relatively end surface of area on the data card length direction, it is only clear for ease of describing so to define these surfaces.Improvements of the present utility model are: be provided with air inlet 5 and gas outlet 6 on shell 2, and internal chamber 1 forms gas channel 7 between air inlet 5 and gas outlet 6.The differing heights position that preferred air inlet 5 and gas outlet 6 are distributed on the shell 2 is that the two has difference in height, for example gas outlet 6 and air inlet 5 for example are located at respectively on two facing surfaces of shell 2 on the upper surface 21 and lower surface 22, thereby when work, has difference in height between air inlet 5 and the gas outlet 6, and make air inlet 5 and gas outlet 6 be distributed in the different two ends of shell 2, at Fig. 1,2, in 3, air inlet 5 and venthole 6 comprise an independent hole respectively, the shape in hole can be square, circle or other arbitrary shapes, do not limit, can be according to the product IDs flexible design, like this under the situation of natural heat dissipation, help making low-temperature airflow enter in the internal chamber 2 from the air inlet 5 of shell 2 one ends according to convective principles, an end of chamber 2 flows to the other end via gas channel 7 internally again, air-flow can run through whole internal chamber 1, and the intensification current density diminishes rising again by 6 discharges of the gas outlet on internal chamber 2 other end upper surfaces 21, the flow path that the layout of this air admission hole 5 that helps Natural Heat Convection and venthole 6 can make cold air flow through is longer, most of zone in the cooled enclosure 2 also can absorb more heat.Gas channel 7 in the utility model might not have the passage of standard fully aware of, but just can to define these spaces be gas channel as long as have space that air feed stream passes through between air inlet 5 and the gas outlet 6, for example the side of main circuit veneer 3 and the gap between shell 2 inwalls can be defined as gas channel, and be that perforate 31 by main circuit veneer 3 two ends makes main circuit veneer both sides spatial communication and constitute gas channel 7 about in the of 3 among Fig. 1.After Wai Bu cold air enters from air inlet 5 like this, just can absorb in the internal chamber 1 for example heat on the main circuit veneer 3 of high-temperature components particularly, the hot-air that absorbs heat can rise and discharge from gas outlet 6, make internal chamber 1 just can participate in the middle of macroscopical cross-ventilation behavior of external environment condition, reduced the temperature of wireless transmission terminal equipment when work, improve service behaviour, increase fail safe, even and the data card volume dwindles once again, high temperature about 70 degree that main circuit veneer 3 is reached during based on work is apparently higher than the temperature difference of outside room temperature 25 degree, can play excellent radiating effect equally, and the heat dissipation problem of data card also no longer is the obstacle of equipment performance and smaller volume, has fundamentally solved the technical barrier that wireless transmission terminal equipment performance and smaller volume are taken into account.
In the execution mode of front, be that venthole 6 and air inlet 5 are located on relative upper surface 21 and the lower surface 22, obviously air inlet 5 and gas outlet 6 can be located on two adjacent surfaces of shell 2, for example air inlet 5 still is located on the lower surface 22, and gas outlet 6 is located on a side 23 or the side 24, but preferably keep air inlet 5 and gas outlet 6 to be in different height places, be beneficial to create the thermal convection path of natural heat dissipation, if air inlet 5 and gas outlet 6 flush and do not have difference in height, particularly very hour in enclosure volume, gas is difficult for flowing, just can come forced gas to enter again to come out, with the cross-ventilation heat radiation in the middle of the participation external environment condition by gas actuating device from the gas outlet from air inlet.
Shown in Fig. 4,5, be execution mode 2 of the present utility model, with the difference of execution mode 1 be: gas channel 7 is not to make up gas channel 7 by the perforate on the main circuit veneer 3 31, gas outlet 6 and air inlet 5 are located on upper surface 21 and the lower surface 22 equally, but air inlet 5 and venthole 6 are positioned at the same end of shell 5, as shown in Figure 4, air inlet 5 comprises a plurality of holes and concentrates distribution together in this embodiment, and gas outlet 6 also comprises a plurality of holes and concentrate distribution together; Internal chamber 1 is separated out upper chamber 11 and lower chamber 12 by main circuit veneer 3, be provided with opening 13 (or gap) between the inner surface of the end face 32 of main circuit veneer 3 apart from the side 26 of the end that air inlet 5 and gas outlet 6 are not set on the shell 2, can constitute described gas channel 7 by this upper chamber 11, this opening 13 and lower chamber 12 like this.Thereby when wireless transmission terminal equipment is worked below design temperature, the cold air that density is bigger enters from air inlet 5, can nature after the gas channel 7 of flowing through has absorbed heat and heats up upwards flow and discharged by gas outlet 6, air can flow and natural heat dissipation by the thermal natural convection principle equally.
Shown in Fig. 6,7, be execution mode 3 of the present utility model, be further improvement to execution mode 2.Also comprise a U type conducting element 8 in this execution mode, this U type conducting element 8 comprises slices 81, bottom 82 and following sheet 83, last slice 81, bottom 82 and following sheet 83 surround spatial accommodation 80, main circuit veneer 3 is in this spatial accommodation 80, the end 32 of main circuit veneer 3 leans against on the bottom 82, and this bottom 82 constitutes the sidewall of these openings 13, by last slice 81 with upper surface 21 between path 84, this opening 13, time sheet 83 and lower surface 22 between path 85 constitute gas channel 7.Preferred U type conducting element 8 is made by the good material system of thermal conductivity such as aluminium, copper.By this U type conducting element 8 last slice 81, the flow-guiding channel 7 that constituted of sheet 83 and bottom 82 and shell 2 down, upper chamber 11 and lower chamber 12 are communicated with form stack effect, because of U type conducting element 8 rapid heat dissipations, its heat can further make gas heating, makes gas easier to be mobile; U type conducting element 8 itself also can play the effect of balance upper chamber 11 and lower chamber 12 temperature simultaneously, better conducts heat and dispels the heat.Certainly, the U type conducting element 8 in the utility model can also replace to other shape, can suitable conducting element specifically be set according to the inner space of data card.
In front among each embodiment of Miao Shuing, all are the natural heat dissipation modes that are applicable to when data card is worked below design temperature, when the working temperature of data card surpasses design temperature, the natural heat dissipation mode can not satisfy radiating requirements, need to increase the air quality that enters internal chamber 1, promptly adopt the quick heat radiating mode, with further raising heat-sinking capability.As shown in Figure 8, be execution mode 4 of the present utility model,, can in internal chamber 1, be provided with gas actuating device 9, flow fast to drive air in order to realize quick heat radiating; Main circuit veneer 3 comprises processor 33 (with reference to figure 9), gas actuating device 9 is connected with processor 33, sending whether for gas actuating device 9 by processor 33 according to wireless transmission terminal equipment work starts and stop signal, gas actuating device 9 will be in opening, good heat dissipation effect always when wireless transmission terminal equipment is worked like this; Wherein gas actuating device 9 can be located at opening 13 places of gas channel 7, so that being provided to air, the transfer actuating force quickens air flows, gas actuating device 9 for example can be fan, air blast, air pump or piezoelectric micropump etc., as long as can reach the device that driving gas flows, concrete which kind of type that adopts can be taken all factors into consideration according to characteristics, space size, energy consumption, efficient and the cost etc. of wireless transmission terminal equipment.As shown in Figure 9, in a preferred embodiment, wireless transmission terminal equipment also is provided with for example temperature sensor etc. of temperature sensing unit 91, this temperature sensing unit 91 also is connected with processor 33, when the working temperature of wireless transmission terminal equipment surpasses set point, temperature sensing unit 91 sends to processor 33 with the temperature signal that senses and handles, processor 33 judges that temperature surpasses after the design temperature, send enabling signal to gas actuating device 9, start gas actuating device 9 and carry out quick heat radiating, reduce the temperature of wireless transmission terminal equipment rapidly, improve fail safe; Judge temperature when processor 33 and drop to set point when following, send stop signal and it is closed automatically, close quick heat radiating, can further cut down the consumption of energy to gas actuating device 9.
Shown in Figure 10,11, be execution mode 5 of the present utility model, gas actuating device 9 also can be located at 6 places, gas outlet and as exhaust apparatus, the hot-air of the internal chamber 1 of shell 2 is discharged to the outside, reaches cool effect.
Shown in Figure 12,13, be execution mode 6 of the present utility model, gas actuating device 9 also can be installed in air inlet place 5 and serve as getter device, and the cold air of outside is sucked in the shell 2, again the hot-air in the shell 2 is squeezed away, can reach the effect of cooling equally.
Shown in Figure 14,15; be execution mode 7 of the present utility model; gas actuating device 9 also can be installed on the main circuit veneer 3; for example only certain the crucial heater members 34 on it is dispelled the heat; not only can promote the air in the hollow chamber 1 to discharge like this, also can protect key components by free convection.If the internal chamber of wireless transmission terminal equipment 1 has enough big free space, gas actuating device 9 can not only be confined to be provided with one, for example can gas actuating device 9 be set simultaneously at air inlet 5, gas outlet 6, opening 13 places, can further promote quick heat radiating, as shown in figure 10, exactly in the gas outlet 6, opening 13 places respectively establish a gas actuating device 9.
Shown in Figure 16,17,18, in the middle of the utility model execution mode 2 that does not comprise U type conducting element 8 shown in Figure 4, equally can be in internal chamber 1 for example the opening 13 of gas channel 7, gas outlet 6 or air inlet 5 places gas actuating device 9 is set, realize quick heat radiating.
It should be noted that at this: although the thermal natural convection that the utility model discloses by extraneous air dispels the heat; but obviously; if do not utilize cold air following; the thermal natural convection principle that hot-air rises; and enter from air inlet by forcing to drive cold air; hot-air is discharged from the gas outlet; perhaps from the outside of wireless transmission terminal equipment to inner blows cold air; equally also can play the effect of heat radiation; all be feasible; as long as on the shell of wireless transmission terminal equipment, offer air inlet and gas outlet; the heat of wireless transmission terminal equipment inside is taken away and participated in the middle of the air thermal convection behavior of outside macroscopic view by cool exterior air; all be equal on the principle, all should belong to protection range of the present utility model with the utility model.
Claims (13)
1. wireless transmission terminal equipment, comprise the shell with internal chamber, main circuit veneer and the connecting interface that is arranged in internal chamber, it is characterized in that: described shell is provided with air inlet and gas outlet, and described internal chamber forms gas channel between air inlet and gas outlet.
2. wireless transmission terminal equipment according to claim 1 is characterized in that: described air inlet and gas outlet are distributed in the differing heights position of shell.
3. wireless transmission terminal equipment according to claim 2 is characterized in that: described air inlet and gas outlet are located at respectively on the upper surface and lower surface of shell, and described air inlet and gas outlet lay respectively at the two ends of shell.
4. wireless transmission terminal equipment according to claim 2, it is characterized in that: described air inlet and gas outlet are located at respectively on the upper surface and lower surface of shell, and described air inlet and gas outlet are positioned at the same end of shell, internal chamber is separated out upper chamber and lower chamber by described main circuit veneer, be not provided with on the end face distance shell of described main circuit veneer between the inner surface of an end of air inlet and gas outlet and be provided with opening, constitute described gas channel by this upper chamber, this opening and lower chamber.
5. wireless transmission terminal equipment according to claim 4, it is characterized in that: also comprise a U type conducting element, this U type conducting element comprises slice, bottom and following sheet, described main circuit veneer is at this last slice and between the following sheet, and this bottom constitutes the sidewall of this opening, by last slice and upper surface between path, this opening, the path between sheet and this lower surface constitutes described gas channel down.
6. according to any described wireless transmission terminal equipment in the claim 1～5, it is characterized in that: in described internal chamber, be provided with gas actuating device, described main circuit veneer comprises processor, described gas actuating device is connected with described processor, sends enabling signal and stop signal for described gas actuating device by described processor.
7. wireless transmission terminal equipment according to claim 6, it is characterized in that: described wireless transmission terminal equipment also is provided with temperature sensing unit, described temperature sensing unit also is connected with described processor, temperature signal during the work of described temperature sensing unit sensing wireless transmission terminal equipment also sends to described processor and handles, and described processor sends enabling signal and stop signal for described drive unit according to this temperature signal.
8. wireless transmission terminal equipment according to claim 6 is characterized in that: described gas actuating device is located at the place, gas outlet as exhaust apparatus; Perhaps, described gas actuating device is located at the air inlet place and makes getter device; Perhaps described gas actuating device is installed on the main circuit veneer.
9. wireless transmission terminal equipment according to claim 6 is characterized in that: described gas actuating device is fan, air blast, air pump or piezoelectric micropump.
10. according to claim 4 or 5 described wireless transmission terminal equipments, it is characterized in that: in described internal chamber, be provided with gas actuating device, described gas actuating device is located at described opening part, described main circuit veneer comprises processor, described gas actuating device is connected with described processor, sends enabling signal and stop signal for described gas actuating device by described processor.
11. wireless transmission terminal equipment according to claim 10, it is characterized in that: described wireless transmission terminal equipment also is provided with temperature sensing unit, described temperature sensing unit also is connected with described processor, temperature signal during the work of described temperature sensing unit sensing wireless transmission terminal equipment also sends to described processor and handles, and described processor sends enabling signal and stop signal for described drive unit according to this temperature signal.
12. wireless transmission terminal equipment according to claim 1 is characterized in that: described wireless transmission terminal equipment is data card, radio modem or wireless transmission fixed station.
13. wireless transmission terminal equipment according to claim 1 is characterized in that: described air inlet comprises a plurality of holes and concentrates distribution that described gas outlet also comprises a plurality of holes and concentrates distribution; Perhaps, described air inlet and gas outlet only comprise an independent hole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200033315U CN201332557Y (en) | 2009-01-19 | 2009-01-19 | Wireless transmission terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200033315U CN201332557Y (en) | 2009-01-19 | 2009-01-19 | Wireless transmission terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201332557Y true CN201332557Y (en) | 2009-10-21 |
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ID=41225942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200033315U Expired - Lifetime CN201332557Y (en) | 2009-01-19 | 2009-01-19 | Wireless transmission terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201332557Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684971A (en) * | 2016-12-12 | 2017-05-17 | 天长市优信电器设备有限公司 | Charger shell conducive to promoting air circulation |
| CN109219310A (en) * | 2017-09-12 | 2019-01-15 | 邯郸学院 | A kind of network engineering take-up |
| CN111867319A (en) * | 2019-04-28 | 2020-10-30 | 北京小米移动软件有限公司 | Electronic equipment |
| CN116667540A (en) * | 2022-11-21 | 2023-08-29 | 荣耀终端有限公司 | Wireless charging equipment and wireless charging system |
-
2009
- 2009-01-19 CN CNU2009200033315U patent/CN201332557Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684971A (en) * | 2016-12-12 | 2017-05-17 | 天长市优信电器设备有限公司 | Charger shell conducive to promoting air circulation |
| CN109219310A (en) * | 2017-09-12 | 2019-01-15 | 邯郸学院 | A kind of network engineering take-up |
| CN109219310B (en) * | 2017-09-12 | 2024-02-13 | 邯郸学院 | Take-up device for network engineering |
| CN111867319A (en) * | 2019-04-28 | 2020-10-30 | 北京小米移动软件有限公司 | Electronic equipment |
| CN116667540A (en) * | 2022-11-21 | 2023-08-29 | 荣耀终端有限公司 | Wireless charging equipment and wireless charging system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUAWEI DEVICE CO., LTD. Free format text: FORMER NAME: SHENZHEN HUAWEI TECHNOLOGY CO. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518129 headquarters building of Bantian HUAWEI base, Longgang District, Guangdong, Shenzhen Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 headquarters building of Bantian HUAWEI base, Longgang District, Guangdong, Shenzhen Patentee before: Huawei Device Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518129 office building, Bantian headquarters, HUAWEI District, Longgang, Shenzhen, Guangdong Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 office building, Bantian headquarters, HUAWEI District, Longgang, Shenzhen, Guangdong Patentee before: HUAWEI DEVICE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181221 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 office building, Bantian headquarters, HUAWEI District, Longgang, Shenzhen, Guangdong Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091021 |
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| CX01 | Expiry of patent term |