CN102141593B - Device and method for detecting extrapolation connection of radio frequency interface - Google Patents
Device and method for detecting extrapolation connection of radio frequency interface Download PDFInfo
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- CN102141593B CN102141593B CN201010604391XA CN201010604391A CN102141593B CN 102141593 B CN102141593 B CN 102141593B CN 201010604391X A CN201010604391X A CN 201010604391XA CN 201010604391 A CN201010604391 A CN 201010604391A CN 102141593 B CN102141593 B CN 102141593B
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- radio frequency
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- 238000013213 extrapolation Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 70
- 238000012360 testing method Methods 0.000 claims description 38
- 230000001131 transforming effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 14
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 238000004891 communication Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
- G01R31/69—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board of terminals at the end of a cable or a wire harness; of plugs; of sockets, e.g. wall sockets or power sockets in appliances
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- Physics & Mathematics (AREA)
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- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The embodiment of the invention provides a device and a method for detecting extrapolation connection of a radio frequency interface. The device comprises a radio frequency switch connector and a detection circuit connected with the radio frequency switch connector, wherein the detection circuit is used for outputting high electrical level or low electrical level from a detection port of the detection circuit according to the inserted status of an external radio frequency plug in the radio frequency switch connector. In the embodiment of the invention, the inserted status of the radio frequency switch connector is conveniently detected by transforming the inserted status or the uninserted status of the external radio frequency plug into direct-current level to output through the detection circuit.
Description
Technical field
The embodiment of the present invention relates to communication technical field, relates in particular to a kind of pick-up unit and method for detection of the connection of radio frequency interface extrapolation.
Background technology
At present a lot of communication facilitiess (especially wireless terminal device) uses RF switch connector, to connect with external equipment by radiofrequency signal.RF switch connector is be used to the connector that connects external radio-frequency cable, is mechanical switch structure.When having external radio frequency plug to insert RF switch connector, radiofrequency signal is namely connected with external equipment, and when inserting RF switch connector without external radio frequency plug, radiofrequency signal is connected between two ports of RF switch connector.
Fig. 1 is the schematic diagram when not having external radio frequency plug to insert in RF switch connector.As shown in Figure 1, when not having external radio frequency plug to insert, the radiofrequency signal between port A and port B is communicated with.Fig. 2 is the schematic diagram when having external radio frequency plug to insert in RF switch connector.As shown in Figure 2, when having external radio frequency plug to insert, radiofrequency signal is namely connected with external equipment, disconnects between two port A of RF switch connector and B simultaneously, and AC this moment two ends radiofrequency signal is communicated with, and AB two ends disconnect.
In realizing process of the present invention, the inventor finds: need to the insertion state of the RF switch connector of communication facilities be detected, with according to the insertion that detects or do not insert the work that this two states is controlled other parts of communication facilities or other equipment, need thus to provide a kind of device of the insertion state for detection of RF switch connector.
Summary of the invention
The embodiment of the present invention provides a kind of pick-up unit and method for detection of the connection of radio frequency interface extrapolation, in order to detect the insertion state of RF switch connector.
The embodiment of the present invention provides a kind of pick-up unit for detection of the connection of radio frequency interface extrapolation, comprising: RF switch connector and the testing circuit that is connected with described RF switch connector;
Described testing circuit is used for inserting according to described RF switch connector the state of external radio frequency plug, in detection port output high level or the low level of described testing circuit.
The embodiment of the present invention provides a kind of method for detection of the connection of radio frequency interface extrapolation, use the arbitrary described pick-up unit that connects for detection of the radio frequency interface extrapolation that the embodiment of the present invention provides to detect, according to the output level of detection port, judge whether radio frequency interface is inserted with external radio frequency plug.
Pick-up unit and the method for detection of the connection of radio frequency interface extrapolation of the embodiment of the present invention, the state that external radio frequency plug is inserted or do not insert by testing circuit is converted to DC level output, detects with convenient insertion state to RF switch connector.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram when not having external radio frequency plug to insert in RF switch connector;
Fig. 2 is the schematic diagram when having external radio frequency plug to insert in RF switch connector;
Fig. 3 is that the present invention is for detection of the schematic diagram of the pick-up unit embodiment one of radio frequency interface extrapolation connection;
Fig. 4 A is that the present invention does not insert the schematic diagram of state for detection of the pick-up unit embodiment two of radio frequency interface extrapolation connection;
Fig. 4 B is that the present invention inserts the schematic diagram of states for detection of the pick-up unit embodiment two of radio frequency interface extrapolation connection;
Fig. 5 A is that the present invention does not insert the schematic diagram of state for detection of the pick-up unit embodiment three of radio frequency interface extrapolation connection;
Fig. 5 B is that the present invention inserts the schematic diagram of states for detection of the pick-up unit embodiment three of radio frequency interface extrapolation connection.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The schematic diagram of Fig. 3 pick-up unit embodiment one that to be the present invention connect for detection of the radio frequency interface extrapolation, as shown in Figure 3, this device comprises: RF switch connector 31 and testing circuit 33; Wherein testing circuit 33 is connected with RF switch connector 31.
When not inserting external radio frequency plug in RF switch connector 31, external radio-frequency cable C and A point with the B point all less than being connected, A point in RF switch connector and B point are electrically connected to, and this moment, the detection port of testing circuit 33 was exported high level (or low level); When inserting external radio frequency plug in RF switch connector 31, external radio-frequency cable C is electrically connected to A point in RF switch connector 31 by external radio frequency plug, and the B point in external radio-frequency cable C and RF switch connector 33 disconnects, and A point and B point disconnect, at this moment the detection port output low level (or high level) of testing circuit 33.That is to say, different according to the concrete structure of testing circuit, insert in RF switch connector 31 or when not inserting external radio frequency plug, the height of the level of the detection port output of testing circuit is different, according to the height of output level, can judge whether be inserted with external radio frequency plug in RF switch connector.
RF switch connector in the present embodiment can be applied to several scenes, for example: be used for connecting external antenna with the transceiver of built-in aerial, under this application scenarios, A point in Fig. 3 connects the radio frequency transceiver front end, the B point connects the built-in aerial of transceiver, the C point is connected to external antenna, and when external like this radio frequency plug did not insert, the radio frequency transceiver front end just was connected with the built-in aerial of transceiver self; After the external radio frequency plug that connects external antenna inserted RF switch connector, the radio frequency transceiver front end just was connected with external antenna, and with the built-in aerial disconnection of transceiver self.In addition, RF switch connector also can be applicable to drawing of interior other radiofrequency signals of transceiver etc.Wherein built-in aerial is a kind of antenna form of transceiver, is characterized as to be built in radio transceiver device inside; External antenna is a kind of antenna form of transceiver, is characterized as to be placed on the radio transceiver device outside, is connected with radio transceiver device by radio frequency connector.
Whether be inserted with external radio frequency plug in detecting RF switch connector after, can control according to testing result the work of other parts of communication facilities or other equipment, for example: according to the insertion state-detection result of extrapolation radio frequency connector, terminal device can inform whether the user has external antenna to insert by indication (signal lamp or man-machine interface prompting etc.), to avoid in the situation that do not have antenna to connect the hardware damage that (port mismatch) user misoperation (such as opening radio frequency transceiver) causes; Perhaps, terminal device can be identified the current wireless connection conditions that whether is according to testing result, as going to control radio transmitted power according to antenna in the difference of the physical property of different frequent points wireless connection conditions is next, make it smooth in each frequency range, correct simultaneously some frequency power excessive, to reduce Overall Power Consumption, reduce the complete machine heating.
The embodiment of the present invention, the state that external radio frequency plug is inserted or do not insert by testing circuit is converted to DC level output, detects with convenient insertion state to RF switch connector.
Fig. 4 A is that the present invention does not insert the schematic diagram of state for detection of the pick-up unit embodiment two of radio frequency interface extrapolation connection, and Fig. 4 B is that the present invention inserts the schematic diagram of states for detection of the pick-up unit embodiment two of radio frequency interface extrapolation connection; As shown in Fig. 4 A and Fig. 4 B, on the basis of device embodiment one, the testing circuit 33 in this device comprises the first detecting unit 40.
The first detecting unit 40 is used for when RF switch connector 31 inserts external radio frequency plug, detection port output high level at testing circuit 33, when not inserting external radio frequency plug in RF switch connector 31, in the first detection port output low level of testing circuit.
The first detecting unit 40 specifically can comprise: draw voltage port 49, the first detection port 42 on the first electric capacity 41, the first inductance 43, the second inductance 45, the first resistance 47, first.
The first end of the first electric capacity 41 is electrically connected to the front end of the radio frequency transceiver of outside, and the second end of the first electric capacity 41 is electrically connected to the first end of RF switch connector 31 and the first end of the first inductance 43 respectively.
The second end ground connection of the first inductance 43.
The first end of the second inductance 45 is electrically connected to the second end of RF switch connector 31, and the second end of the second inductance 45 is electrically connected to first end and first detection port 44 of the first resistance 47 respectively.
Wherein, the end of the first end of RF switch connector 31 for being connected with external radio frequency plug when external radio frequency plug inserts.
The electric capacity that uses in the present embodiment is capacitance, and the inductance that uses in the present embodiment is the straight inductance of resistance.
The present embodiment changes the topological structure of testing circuit by RF switch connector difference of self port connection status when having or not external radio frequency plug to insert, make the voltage of the detection port of testing circuit also change thereupon, detect thereby reach the purpose whether external radio frequency plug inserts; Simultaneously in testing circuit with capacitance with hinder the alternating current sense and guarantee isolation between direct current and high-frequency circuit.
In another embodiment of the present embodiment, the first detecting unit can also comprise the second electric capacity 44.The first end of the second electric capacity 44 is electrically connected to the built-in aerial of the transceiver of outside, and the second end of the second electric capacity 44 is electrically connected to the second end of RF switch connector 31 and the first end of the second inductance 45 respectively.
In the present embodiment, as shown in Fig. 4 A, when external radio frequency plug did not insert RF switch connector, the first detection port 42 and earth terminal were communicated with, and this moment, the first detection port was low level; As shown in Figure 4 B, when external radio frequency plug inserts RF switch connector, the value that the voltage of the first detection port 42 draws voltage on being namely, this moment, the first detection port was high level.
Further, the first inductance in the present embodiment can be replaced by resistance, and the second inductance also can be replaced by resistance, and the resistance of the preferred high value of resistance here arrives hundreds of kilo-ohms as tens of.
The embodiment of the present invention is converted to high level output by testing circuit with the state that external radio frequency plug inserts, and the state that external radio frequency plug is not inserted is converted to low level output, detects with convenient insertion state to RF switch connector.
Fig. 5 A is that the present invention does not insert the schematic diagram of state for detection of the pick-up unit embodiment three of radio frequency interface extrapolation connection, and Fig. 5 B is that the present invention inserts the schematic diagram of states for detection of the pick-up unit embodiment three of radio frequency interface extrapolation connection; As shown in Fig. 5 A and Fig. 5 B, on the basis of device embodiment one, the testing circuit 33 in this device comprises the second detecting unit 50.
The second detecting unit 50 is used for when RF switch connector 31 inserts external radio frequency plug, detection port output low level at testing circuit 33, when not inserting external radio frequency plug in RF switch connector 31, at the second detection port output high level of testing circuit 33.
The second detecting unit 50 specifically can comprise: draw voltage port 59, the second detection port 52 on the 3rd electric capacity 51, the 3rd inductance 53, the 4th inductance 55, the second resistance 57, second.
The first end of the 3rd electric capacity 51 is electrically connected to the front end of the radio frequency transceiver of outside, and the second end of the 3rd electric capacity 51 is electrically connected to the first end of RF switch connector 31 and the first end of the 3rd inductance 53 respectively.
The second end of the 3rd inductance 53 is electrically connected to the first end of the second detection port 52 and the second resistance 57 respectively.
The second end ground connection of the second resistance 57.
The first end of the 4th inductance 55 is electrically connected to the second end of RF switch connector 31, draws voltage port 59 to be electrically connected on second end and second of the 4th inductance 55.
Wherein, the end of the first end of RF switch connector 31 for being connected with external radio frequency plug when external radio frequency plug inserts.
The electric capacity that uses in the present embodiment is capacitance, and the inductance that uses in the present embodiment is the straight inductance of resistance.The present embodiment changes the topological structure of testing circuit by RF switch connector difference of self port connection status when having or not external radio frequency plug to insert, make the voltage of the detection port of testing circuit also change thereupon, detect thereby reach the purpose whether external radio frequency plug inserts; Simultaneously in testing circuit with capacitance with hinder the alternating current sense and guarantee isolation between direct current and high-frequency circuit.
In another embodiment of the present embodiment, the second detecting unit can also comprise the 4th electric capacity 54.The first end of the 4th electric capacity 54 is electrically connected to the built-in aerial of the transceiver of outside, and the second end of the 4th electric capacity 54 is electrically connected to the second end of RF switch connector 31 and the first end of the 4th inductance 55 respectively.
In the present embodiment, as shown in Fig. 5 A, when external radio frequency plug does not insert RF switch connector, draw voltage port 59 to be communicated with on the second detection port 52 and second, this moment, the second detection port 52 was high level; As shown in Fig. 5 B, when external radio frequency plug inserted RF switch connector, in the situation that there is no DC voltage on external radio frequency plug, it is drop-down that the voltage of the second detection port 52 is grounded end, and this moment, the second detection port 52 was low level.
Further, the 3rd inductance in the present embodiment can be replaced by resistance, and the 4th inductance also can be replaced by resistance, and the resistance here is preferably the resistance of high value, arrives hundreds of kilo-ohms as tens of.
The embodiment of the present invention is converted to low level output by testing circuit with the state that external radio frequency plug inserts, and the state that external radio frequency plug is not inserted is converted to high level output, detects with convenient insertion state to RF switch connector.
The embodiment of the present invention also provides a kind of method for detection of the connection of radio frequency interface extrapolation, the method uses arbitrary pick-up unit that connects for detection of the radio frequency interface extrapolation that the embodiment of the present invention provides that RF switch connector is detected, according to the output level of the detection port of pick-up unit, can judge RF switch connector is whether to be inserted with external radio frequency plug in radio frequency interface.
The embodiment of the present invention, the state that external radio frequency plug is inserted or do not insert by testing circuit is converted to DC level output, detects with convenient insertion state to RF switch connector.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. the pick-up unit for detection of the connection of radio frequency interface extrapolation, is characterized in that, comprising: RF switch connector and the testing circuit that is connected with described RF switch connector;
Described testing circuit is used for inserting according to described RF switch connector the state of external radio frequency plug, in detection port output high level or the low level of described testing circuit;
Described testing circuit comprises:
The first detecting unit, be used for when described RF switch connector inserts external radio frequency plug, at the detection port output high level of described testing circuit, when not inserting external radio frequency plug in described RF switch connector, in the detection port output low level of described testing circuit; Perhaps
The second detecting unit, be used for when described RF switch connector inserts external radio frequency plug, in the detection port output low level of described testing circuit, when not inserting external radio frequency plug in described RF switch connector, at the detection port output high level of described testing circuit.
2. the pick-up unit for detection of the connection of radio frequency interface extrapolation according to claim 1, is characterized in that, described the first detecting unit comprises:
Draw voltage port, the first detection port on the first electric capacity, the first inductance, the second inductance, the first resistance, first;
The first end of described the first electric capacity is electrically connected to the front end of the radio frequency transceiver of outside, and the second end of described the first electric capacity is electrically connected to the first end of described RF switch connector and the first end of described the first inductance respectively;
The second end ground connection of described the first inductance;
The first end of described the second inductance is electrically connected to the second end of described RF switch connector, and the second end of described the second inductance is electrically connected to first end and described first detection port of described the first resistance respectively;
Draw voltage port to be electrically connected on the second end of described the first resistance and described first;
The end of the first end of described RF switch connector for being connected with described external radio frequency plug when external radio frequency plug inserts.
3. the pick-up unit for detection of the connection of radio frequency interface extrapolation according to claim 2, is characterized in that, described the first detecting unit also comprises: the second electric capacity;
The first end of described the second electric capacity is electrically connected to the built-in aerial of the transceiver of outside, and the second end of described the second electric capacity is electrically connected to the second end of described RF switch connector and the first end of described the second inductance respectively.
4. the pick-up unit for detection of the connection of radio frequency interface extrapolation according to claim 1, is characterized in that, described the second detecting unit comprises:
Draw voltage port, the second detection port on the 3rd electric capacity, the 3rd inductance, the 4th inductance, the second resistance, second;
The first end of described the 3rd electric capacity is electrically connected to the front end of the radio frequency transceiver of outside, and the second end of described the 3rd electric capacity is electrically connected to the first end of described RF switch connector and the first end of described the 3rd inductance respectively;
The second end of described the 3rd inductance is electrically connected to the first end of described the second detection port and described the second resistance respectively;
The second end ground connection of described the second resistance;
The first end of described the 4th inductance is electrically connected to the second end of described RF switch connector, draws voltage port to be electrically connected on the second end of described the 4th inductance and described second;
The end of the first end of described RF switch connector for being connected with described external radio frequency plug when external radio frequency plug inserts.
5. the pick-up unit for detection of the connection of radio frequency interface extrapolation according to claim 4, is characterized in that, described the second detecting unit also comprises: the 4th electric capacity;
The first end of described the 4th electric capacity is electrically connected to the built-in aerial of the transceiver of outside, and the second end of described the 4th electric capacity is electrically connected to the second end of described RF switch connector and the first end of described the 4th inductance respectively.
6. according to claim 2 or 3 described pick-up units for detection of the connection of radio frequency interface extrapolation, is characterized in that, described the first inductance is replaced by the first resistance, and/or described the second inductance is replaced by the second resistance.
7. according to claim 4 or 5 described pick-up units for detection of the connection of radio frequency interface extrapolation, is characterized in that, described the 3rd inductance is replaced by the 3rd resistance, and/or described the 4th inductance is replaced by the 4th resistance.
8. method that connects for detection of the radio frequency interface extrapolation, it is characterized in that, use the described pick-up unit that connects for detection of the radio frequency interface extrapolation as arbitrary in claim 1-7 to detect, according to the output level of detection port, judge whether radio frequency interface is inserted with external radio frequency plug.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010604391XA CN102141593B (en) | 2010-12-24 | 2010-12-24 | Device and method for detecting extrapolation connection of radio frequency interface |
| PCT/CN2011/083861 WO2012083802A1 (en) | 2010-12-24 | 2011-12-13 | Detection device and method for detecting external connection of radio frequency interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010604391XA CN102141593B (en) | 2010-12-24 | 2010-12-24 | Device and method for detecting extrapolation connection of radio frequency interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102141593A CN102141593A (en) | 2011-08-03 |
| CN102141593B true CN102141593B (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010604391XA Expired - Fee Related CN102141593B (en) | 2010-12-24 | 2010-12-24 | Device and method for detecting extrapolation connection of radio frequency interface |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102141593B (en) |
| WO (1) | WO2012083802A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI555266B (en) * | 2014-10-21 | 2016-10-21 | 明泰科技股份有限公司 | Radio frequency apparatus and adjusting method thereof |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141593B (en) * | 2010-12-24 | 2013-06-05 | 华为终端有限公司 | Device and method for detecting extrapolation connection of radio frequency interface |
| CN105092998A (en) * | 2014-05-19 | 2015-11-25 | 华为技术有限公司 | Interface detection circuit, device and method |
| CN105866611A (en) * | 2016-04-28 | 2016-08-17 | 乐视控股（北京）有限公司 | Antenna plugging state detection device |
| JP6961187B2 (en) * | 2016-11-22 | 2021-11-05 | 日本圧着端子製造株式会社 | Electrical characteristic inspection system |
| CN110908842A (en) * | 2018-09-14 | 2020-03-24 | 鸿富锦精密电子（重庆）有限公司 | USB equipment detection circuit |
| CN113296031B (en) * | 2020-02-21 | 2022-04-19 | 荣耀终端有限公司 | Radio frequency line installation detection device and terminal |
| CN111812556B (en) * | 2020-06-29 | 2023-03-21 | 深圳领跑者新能源有限公司 | Detection circuit with voltage-dividing resistor for good socket insertion |
| CN114441998A (en) * | 2020-10-31 | 2022-05-06 | 华为技术有限公司 | Radio frequency system, electronic device, and computer-readable storage medium |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3838657A1 (en) * | 1988-11-15 | 1990-05-17 | Bayerische Motoren Werke Ag | Device for detecting the inadvertent loosening of the two plug parts of an electrical connector |
| DE69836677D1 (en) * | 1998-06-08 | 2007-02-01 | Hewlett Packard Co | Method and circuit for detecting the presence of a connection part in a contact socket |
| US7057401B2 (en) * | 2004-03-23 | 2006-06-06 | Pass & Seymour, Inc. | Electrical wiring inspection system |
| KR100593823B1 (en) * | 2004-07-14 | 2006-06-28 | (주)베스트원 | Coaxial Connector with RF Switch |
| CN100514077C (en) * | 2006-07-03 | 2009-07-15 | 深圳Tcl新技术有限公司 | Device for detecting connection state of audio-visual apparatus and external apparatus |
| US20090004991A1 (en) * | 2007-03-26 | 2009-01-01 | Speed Tech Corp. | Receiving apparatus with enhanced isolation |
| TWI344765B (en) * | 2007-05-16 | 2011-07-01 | Wistron Neweb Corp | Expandable wireless transceiver |
| CN101409571B (en) * | 2008-11-27 | 2012-08-08 | 华为终端有限公司 | Switchable antenna and electronic device |
| CN102141593B (en) * | 2010-12-24 | 2013-06-05 | 华为终端有限公司 | Device and method for detecting extrapolation connection of radio frequency interface |
-
2010
- 2010-12-24 CN CN201010604391XA patent/CN102141593B/en not_active Expired - Fee Related
-
2011
- 2011-12-13 WO PCT/CN2011/083861 patent/WO2012083802A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI555266B (en) * | 2014-10-21 | 2016-10-21 | 明泰科技股份有限公司 | Radio frequency apparatus and adjusting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012083802A1 (en) | 2012-06-28 |
| CN102141593A (en) | 2011-08-03 |
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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: 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 before: Huawei terminal (Dongguan) Co.,Ltd. |
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