CN201323599Y - Radio data terminal device - Google Patents
Radio data terminal device Download PDFInfo
- Publication number
- CN201323599Y CN201323599Y CNU2008201832109U CN200820183210U CN201323599Y CN 201323599 Y CN201323599 Y CN 201323599Y CN U2008201832109 U CNU2008201832109 U CN U2008201832109U CN 200820183210 U CN200820183210 U CN 200820183210U CN 201323599 Y CN201323599 Y CN 201323599Y
- Authority
- CN
- China
- Prior art keywords
- terminal equipment
- data terminal
- usb interface
- wireless data
- ground level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
- H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/79—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/62—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0274—Details of the structure or mounting of specific components for an electrical connector module
Landscapes
- Transceivers (AREA)
Abstract
The utility model provides a radio data terminal device which comprises a separate USB interface, wherein at least two redundant earthing connections are contained between the separate USB interface and the radio data terminal device, and the earthing points of at least two earthing connections are not adjacent. Through the radio data terminal device provided by the utility model, the connection between the ground level of the radio data terminal device and the ground level of a computer is effectively added, and the radio index of the terminal device is improved.
Description
Technical field
The utility model relates to wireless technical field, relates in particular to a kind of wireless data terminal equipment.
Background technology
Wireless data terminal equipment is meant and can utilizes wireless network to connect, connect the data equipment of the Internet, for example 3G network data card, WIFI/WIMAX (Wireless Fidelity/WorldwideInteroperability for Microwave Access, Wireless Fidelity/World Interoperability for Microwave Access, WiMax) data card etc.In recent years, along with the continuous lifting of people to the electronic product requirement, indexs such as the volume of data card, power consumption, speed are all being updated to satisfy market demands, for example, the structure of data card is improved for movable structure from original stationary structure, this improvement can be retracted in the data card body computer interface of data card or antenna when not using, obviously dwindled the volume of data card, and has eliminated USB cap etc. and easily lost the influence of annex to data card.
Because data card is a kind of wireless terminal device, wireless performance is one of important indicator of weighing data card performance quality, and data card is connected the wireless performance important influence of effect to data card with computer.At present, usb bus is the main flow mode that connects between data card and the computer, and when connector that data card links to each other with computer USB interface from fixed change into movable after, the wireless performance of data card has been brought very big influence.
The inventor finds that there are the following problems in the prior art in realizing process of the present utility model:
Adopt the fixedly data card of USB interface, its USB plug directly is welded on the main circuit board of data card, because USB plug is very reliable with being connected of main circuit board, the ground level of data card circuit is linked to each other reliably, so can not make a big impact to the data card wireless performance with the ground level of computer.Yet; owing to be subjected to the volume and the layout restrictions of USB interface; the data card of fixed USB interface can't continue to dwindle, and data card not the time spent need a USB cap protection USB interface, may lose because of the USB cap inevitably data card will be caused certain influence.
The mode that adopts the data card main circuit board to separate with USB interface links to each other USB interface by single thin wire or FPC (Flexible Printed Circuit board, flexible printed circuit board) soft board with main circuit board, realized the activity USB interface.And the data card of this movable USB interface, also there is certain defective, on the one hand, owing to be subjected to data card volume and the restriction that is connected the material flex life, the connecting line or the FPC soft board that connect USB interface and main circuit board can not be too big, thereby have only a very narrow earth-return, thereby can't effectively link to each other the ground level of data card main circuit board with the ground level of computer; On the other hand, the connection weak effect of ground level has also directly influenced the wireless performance of data card.
Fig. 1 is an antenna work schematic diagram, and from the basic theories of antenna as can be known, the effect of antenna is electric energy to be converted to the electromagnetic field of alternation, and is radiated the space.Under the effect of this alternating electromagnetic field, can form an electric field on the ground level around the antenna, the direction of an electric field directional antenna, as shown in Figure 1.The important function that ground level served as of antenna is exactly to make energy as much as possible be back to antenna, the energy that patch antenna radiate by the electric field around the antenna.
When the antenna of terminal equipment during in work, the ground level of terminal equipment itself plays the energy backflow just as the part of antenna.And because present terminal equipment volume is more and more littler, volume as the data card series products has been tending towards the limit, the energy that the ground level of terminal equipment has been not enough to supporting antenna refluxes, present way all is to use the ground level of other equipment, ground level as computer, supporting the work of terminal equipment antenna, thus terminal equipment with become particularly important being connected of other equipment ground levels.
Before USB interface separate type terminal equipment occurs, be being connected of terminal equipment and computer by fixing USB interface connection, this fixedly USB interface directly is connected on the ground level of terminal equipment, directly links to each other with the ground level of computer-side.Because the joint face of this fixedly USB interface ground level is enough big, so terminal equipment can be used the backflow that the ground level of computer is realized energy well.And just being USB interface, the problem of USB interface separate type terminal equipment maximum separates with main circuit board, can only be connected on the main circuit board by the mode that is flexible coupling, that is to say that the USB interface and the ground level of terminal equipment have only very thin very narrow conductors such as flexible cord or FPC soft board to link to each other.Unless this is flexible coupling very wide, otherwise can't satisfy the energy backflow requirement of antenna.But this is flexible coupling and retrained by factors such as material, the device space, layout, life requirements, can't accomplish wideer.So USB interface separate type terminal equipment is when having only an earth-return to connect USB interface and ground level, wireless performance can't meet the demands.And this ground connects the backflow also undertaking the equipment work electric current simultaneously, and various interference are very serious, and this has also further worsened the operational environment of antenna.
The utility model content
The main purpose of the utility model embodiment is to provide a kind of wireless data terminal equipment, to solve antenna energy return flow path and interference problem, the USB interface that reduces data card changes the influence that bring to data card movable back into, and improves the wireless performance of separate type USB interface data card.
The above-mentioned purpose of the utility model embodiment is achieved by the following technical solution:
A kind of wireless data terminal equipment, this wireless data terminal equipment comprises a separate type USB interface, comprise that at least two redundant ground connection are connected between described separate type USB interface and the described wireless data terminal equipment, and non-conterminous between the earth point of described at least two redundant ground connection.
By the wireless data terminal equipment of the utility model embodiment, effectively increased being connected of wireless data terminal equipment ground level and computer ground level, improved the wireless index of terminal equipment.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute qualification of the present utility model.In the accompanying drawings:
Fig. 1 is an antenna work schematic diagram;
Fig. 2 A is not for increasing two ground connection USB interface connection diagrams;
Fig. 2 B does not increase a lead and connects USB interface and main circuit board schematic diagram;
Fig. 3 A is for using the unparalleled ground link schematic diagram of FPC soft board;
Fig. 3 B is for using the two ground link schematic diagrames of FPC soft board band.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer, below in conjunction with embodiment and accompanying drawing, embodiment is described in further details to the utility model.At this, illustrative examples of the present utility model and explanation thereof are used to explain the utility model, but not as to qualification of the present utility model.
Embodiment one
The utility model embodiment provides a kind of wireless data terminal equipment, and this wireless data terminal equipment comprises a separate type USB interface, below in conjunction with accompanying drawing present embodiment is elaborated.
Generally speaking, wireless data terminal equipment itself with separate type USB interface just has the lead of ground connection, but because the earth lead of itself has only very thin one, though perhaps more than one but tie point is adjacent, therefore, reality only is equivalent to an earth-return, thus terminal equipment ground level and computer ground level to be connected reality still very narrow, can't satisfy the demand that energy refluxes.
Fig. 2 A, Fig. 2 B are the earth connection schematic diagram of the usb segment of rotary USB interface wireless data terminal equipment.
Shown in Fig. 2 A, the usb segment of the wireless data terminal equipment of existing rotary USB interface does not increase two ground connection, owing to be subjected to the structural limitations of volume and rotary USB interface, USB interface is linked main circuit board can only pass through several thin wires or very narrow FPC soft board, and cabling is partially on one side of USB interface, there are two though from Fig. 2 A, see ground wire GND, but because the tie point of these two ground wires all is adjacent, reality only is equivalent to an earth-return, thus terminal equipment ground level and computer ground level to be connected reality still very narrow.
Shown in Fig. 2 B, the usb segment of the wireless data terminal equipment of the rotary USB interface of present embodiment has adopted two ground connection to be provided with, increase the lead redundance GND of a ground connection at the another one fixing feet place of USB interface metal shell, and be connected to main circuit board another one earth point.Make USB interface and main circuit board that two non-conterminous earth points are all arranged like this, form two earth-returns, increased being connected of terminal equipment ground level and computer ground level effectively, thereby well improved the wireless index of terminal equipment.
The wireless data terminal equipment of present embodiment, except the electrical grounding line of wireless data terminal equipment USB, adopt extra lead that the ground level of USB interface with the wireless terminal device main circuit board linked to each other, and the tie point that makes USB interface is on the metal shell of USB interface, and two tie points are non-conterminous, make two earth points on the wireless terminal device main circuit board non-conterminous.
Present embodiment has increased the redundant ground connection of the USB interface of wireless data terminal equipment, and be provided with because of separating, increased being connected of terminal equipment ground level and computer ground level, increased the reliability that is connected of ground level with the computer ground level of separate type USB interface wireless terminal device, thereby improved the wireless index of equipment well, solved because the restriction of space and connected mode, terminal equipment main circuit board ground level is connected too narrow with the computer ground level, can't form an enough big ground level and the problem that causes wireless index to descend.
Embodiment two
The utility model embodiment also provides a kind of wireless data terminal equipment, and this wireless data terminal equipment comprises a separate type USB interface, below in conjunction with accompanying drawing present embodiment is elaborated.
Fig. 3 A, Fig. 3 B are the earth connection schematic diagram of the usb segment of slidingtype USB interface wireless data terminal equipment.
As shown in Figure 3A, the usb segment of the wireless data terminal equipment of existing glide formula USB interface does not increase two ground connection, USB interface is fixed on the PCB, and usb signal and power supply are drawn by the FPC soft board, and USB interface can be along with the slip of PCB version outside the extending equipment.As seen, USB interface is connected the bottom line that has only on the FPC soft board with the ground level of main circuit board from Fig. 3 A, though can satisfy the backflow demand of electric current, for less radio-frequency, is the bottleneck that the wireless data terminal equipment ground level is connected with the computer ground level here.
Shown in Fig. 3 B, the usb segment of the wireless data terminal equipment of the slidingtype USB interface of present embodiment has adopted two ground connection to be provided with, on main circuit board, stretch out the USB metal clips of a ground connection, be overlapped on the top of the metal shell of USB connector, make the USB joint when sliding extension, not influence the activity of USB joint.Through actual test shows, add this earth-return of metal clips after, the wireless performance of equipment is greatly improved.
The wireless data terminal equipment of present embodiment, except the electrical grounding line of wireless data terminal equipment USB, adopt extra metal clips that the ground level of USB interface with the wireless terminal device main circuit board linked to each other, and the tie point that makes USB interface is on the metal shell of USB interface, and two tie points are non-conterminous, make two earth points on the wireless terminal device main circuit board non-conterminous.
Present embodiment has increased the redundant ground connection of the USB interface of wireless data terminal equipment, and be provided with because of separating, increased being connected of terminal equipment ground level and computer ground level, increased the reliability that is connected of ground level with the computer ground level of separate type USB interface wireless terminal device, thereby improved the wireless index of equipment well, solved because the restriction of space and connected mode, terminal equipment main circuit board ground level is connected too narrow with the computer ground level, can't form an enough big ground level and the problem that causes wireless index to descend.
By the wireless data terminal equipment of present embodiment, not only improve the ground connection effect of separate type USB interface wireless terminal device and computer, and improved the wireless performance of separate type USB interface wireless terminal device, the technology realization is simple, cost is controlled.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; and be not used in and limit protection range of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (7)
1, a kind of wireless data terminal equipment, this wireless data terminal equipment comprises a separate type USB interface, it is characterized in that, comprise that at least two redundant ground connection are connected between described separate type USB interface and the described wireless data terminal equipment, and non-conterminous between the earth point of described at least two redundant ground connection.
2, wireless data terminal equipment according to claim 1, it is characterized in that, at least one of described redundant ground connection is solid conductor, one end of this solid conductor is arranged on the fixing feet of metal shell of described USB interface, and the other end connects another earth point of the main circuit board of this wireless data terminal equipment.
3, wireless data terminal equipment according to claim 2 is characterized in that, described USB interface is connected by lead with the main circuit board of described wireless data terminal equipment.
4, wireless data terminal equipment according to claim 3 is characterized in that, described separate type USB interface is rotary.
5, wireless data terminal equipment according to claim 1, it is characterized in that, at least one of described redundant ground connection is metal clips, this metal clips is arranged at the top of the metal shell of described USB connector, do not influence the position of described USB connector activity, and this metal clips connects another earth point of the main circuit board of this wireless data terminal equipment.
6, wireless data terminal equipment according to claim 5 is characterized in that, described USB interface is connected by the FPC soft board with the main circuit board of described wireless data terminal equipment.
7, wireless data terminal equipment according to claim 6 is characterized in that, described separate type USB interface is a slidingtype.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201832109U CN201323599Y (en) | 2008-12-22 | 2008-12-22 | Radio data terminal device |
| PCT/CN2009/074272 WO2010072095A1 (en) | 2008-12-22 | 2009-09-28 | Method and device for improving wireless performance of the wireless data terminal device |
| JP2009291142A JP4865850B2 (en) | 2008-12-22 | 2009-12-22 | Method and apparatus for improving wireless performance of wireless data terminal equipment |
| EP09180445.0A EP2199920B1 (en) | 2008-12-22 | 2009-12-22 | Method and apparatus for improving radio performance of wireless data terminal device |
| US12/645,192 US8335087B2 (en) | 2008-12-22 | 2009-12-22 | Method and apparatus for improving radio performance of wireless data terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201832109U CN201323599Y (en) | 2008-12-22 | 2008-12-22 | Radio data terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201323599Y true CN201323599Y (en) | 2009-10-07 |
Family
ID=41160970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201832109U Expired - Lifetime CN201323599Y (en) | 2008-12-22 | 2008-12-22 | Radio data terminal device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4865850B2 (en) |
| CN (1) | CN201323599Y (en) |
| WO (1) | WO2010072095A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010072095A1 (en) * | 2008-12-22 | 2010-07-01 | 华为终端有限公司 | Method and device for improving wireless performance of the wireless data terminal device |
| CN102064435A (en) * | 2010-11-04 | 2011-05-18 | 美商威睿电通公司 | Earth wire balancing device and method for externally connected device |
| CN102158246A (en) * | 2011-01-27 | 2011-08-17 | 华为终端有限公司 | Wireless terminal |
| CN102176596A (en) * | 2011-01-07 | 2011-09-07 | 中兴通讯股份有限公司 | Universal serial bus (USB) interface and data product with same |
| WO2011147135A1 (en) * | 2010-05-25 | 2011-12-01 | 中兴通讯股份有限公司 | Usb connector |
| US8335087B2 (en) | 2008-12-22 | 2012-12-18 | Huawei Device Co., Ltd. | Method and apparatus for improving radio performance of wireless data terminal device |
| WO2013155803A1 (en) * | 2012-04-19 | 2013-10-24 | 中兴通讯股份有限公司 | Usb interface and terminal |
| WO2014161260A1 (en) * | 2013-07-01 | 2014-10-09 | 中兴通讯股份有限公司 | Grounding structure and rotary wireless network card |
| CN102055084B (en) * | 2009-10-28 | 2015-08-05 | 上海摩波彼克半导体有限公司 | Wireless terminal electronic equipment pluggable device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8364870B2 (en) * | 2010-09-30 | 2013-01-29 | Cypress Semiconductor Corporation | USB port connected to multiple USB compliant devices |
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| JP2000347790A (en) * | 1999-06-01 | 2000-12-15 | Alps Electric Co Ltd | Keyboard device |
| JP3686785B2 (en) * | 1999-06-14 | 2005-08-24 | アルプス電気株式会社 | Signal cable |
| JP4659175B2 (en) * | 2000-04-25 | 2011-03-30 | 富士通東芝モバイルコミュニケーションズ株式会社 | Mobile communication terminal |
| JP2002163044A (en) * | 2000-11-29 | 2002-06-07 | Canon Inc | Portable information terminal equipment, charging equipment, method for electric power supply, and storage medium |
| JP2003241867A (en) * | 2002-02-18 | 2003-08-29 | Kyocera Corp | Portable terminal, communication cable and interface switching method |
| CN2678164Y (en) * | 2003-12-23 | 2005-02-09 | 英济股份有限公司 | Thin-shaped universal serial bus connector with system |
| CN2746455Y (en) * | 2004-11-03 | 2005-12-14 | 赫立讯科技(北京)有限公司 | USB expansion wireless transceiver |
| JP2006185246A (en) * | 2004-12-28 | 2006-07-13 | Interfuncs Co Ltd | Communication system conversion adapter |
| CN2773927Y (en) * | 2004-12-29 | 2006-04-19 | 陈国良 | USB electric connector |
| JP4720184B2 (en) * | 2005-01-07 | 2011-07-13 | 船井電機株式会社 | Printed circuit board and electronic device including the same |
| WO2008021741A1 (en) * | 2006-08-16 | 2008-02-21 | Sandisk Corporation | Connector with esd protection |
| JP2009111553A (en) * | 2007-10-29 | 2009-05-21 | Seiko Epson Corp | Multifunction machine system |
| JP2009111552A (en) * | 2007-10-29 | 2009-05-21 | Seiko Epson Corp | Multifunction machine system |
| CN201323599Y (en) * | 2008-12-22 | 2009-10-07 | 深圳华为通信技术有限公司 | Radio data terminal device |
-
2008
- 2008-12-22 CN CNU2008201832109U patent/CN201323599Y/en not_active Expired - Lifetime
-
2009
- 2009-09-28 WO PCT/CN2009/074272 patent/WO2010072095A1/en active Application Filing
- 2009-12-22 JP JP2009291142A patent/JP4865850B2/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8335087B2 (en) | 2008-12-22 | 2012-12-18 | Huawei Device Co., Ltd. | Method and apparatus for improving radio performance of wireless data terminal device |
| WO2010072095A1 (en) * | 2008-12-22 | 2010-07-01 | 华为终端有限公司 | Method and device for improving wireless performance of the wireless data terminal device |
| CN102055084B (en) * | 2009-10-28 | 2015-08-05 | 上海摩波彼克半导体有限公司 | Wireless terminal electronic equipment pluggable device |
| WO2011147135A1 (en) * | 2010-05-25 | 2011-12-01 | 中兴通讯股份有限公司 | Usb connector |
| CN102064435A (en) * | 2010-11-04 | 2011-05-18 | 美商威睿电通公司 | Earth wire balancing device and method for externally connected device |
| CN102064435B (en) * | 2010-11-04 | 2013-04-17 | 美商威睿电通公司 | Earth wire balancing device and method for externally connected device |
| CN102176596A (en) * | 2011-01-07 | 2011-09-07 | 中兴通讯股份有限公司 | Universal serial bus (USB) interface and data product with same |
| CN102176596B (en) * | 2011-01-07 | 2015-06-10 | 中兴通讯股份有限公司 | Universal serial bus (USB) interface and data product with same |
| WO2012100713A1 (en) * | 2011-01-27 | 2012-08-02 | 华为终端有限公司 | Wireless terminal |
| CN102158246A (en) * | 2011-01-27 | 2011-08-17 | 华为终端有限公司 | Wireless terminal |
| US9306279B2 (en) | 2011-01-27 | 2016-04-05 | Huawei Device Co., Ltd. | Wireless terminal |
| WO2013155803A1 (en) * | 2012-04-19 | 2013-10-24 | 中兴通讯股份有限公司 | Usb interface and terminal |
| WO2014161260A1 (en) * | 2013-07-01 | 2014-10-09 | 中兴通讯股份有限公司 | Grounding structure and rotary wireless network card |
| US9755304B2 (en) | 2013-07-01 | 2017-09-05 | Zte Corporation | Grounding structure and rotary wireless network card |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010158011A (en) | 2010-07-15 |
| WO2010072095A1 (en) | 2010-07-01 |
| JP4865850B2 (en) | 2012-02-01 |
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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 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee after: Huawei Device Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: Shenzhen Huawei Communication Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091007 |