CN102141593A - 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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- CN102141593A CN102141593A CN201010604391XA CN201010604391A CN102141593A CN 102141593 A CN102141593 A CN 102141593A CN 201010604391X A CN201010604391X A CN 201010604391XA CN 201010604391 A CN201010604391 A CN 201010604391A CN 102141593 A CN102141593 A CN 102141593A
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- switch connector
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- 238000013213 extrapolation Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 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 12
- 230000037431 insertion Effects 0.000 description 12
- 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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Classifications
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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
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 invention relates to communication technical field, relates in particular to a kind of pick-up unit and method that the radio frequency interface extrapolation connects that be used to detect.
Background technology
At present a lot of communication facilitiess (especially wireless terminal device) uses the radio-frequency (RF) switch connector, to be connected with external equipment by radiofrequency signal.The radio-frequency (RF) switch connector is the connector that is used to connect external radio-frequency cable, is mechanical switch structure.When external radio frequency plug inserted the radio-frequency (RF) switch connector, radiofrequency signal was promptly connected with external equipment, and when no external radio frequency plug inserted the radio-frequency (RF) switch connector, radiofrequency signal was then connected between two ports of radio-frequency (RF) switch connector.
Synoptic diagram when Fig. 1 inserts for there not being external radio frequency plug in the radio-frequency (RF) switch connector.As shown in Figure 1, when not having external radio frequency plug to insert, the radiofrequency signal between port A and the port B is communicated with.Synoptic diagram when Fig. 2 inserts for external radio frequency plug is arranged in the radio-frequency (RF) switch connector.As shown in Figure 2, when external radio frequency plug inserts, radiofrequency signal promptly by and external equipment connect, disconnect between two port A of radio-frequency (RF) switch connector and the B simultaneously, this moment, AC two ends radiofrequency signal was communicated with, and the AB two ends disconnect.
In realizing process of the present invention, the inventor finds: need the insertion state of the radio-frequency (RF) switch connector of communication facilities be detected, with according to the detected insertion or the work of not inserting this two states control other parts of communication facilities or other equipment, need to provide a kind of device that is used to detect the insertion state of radio-frequency (RF) switch connector thus.
Summary of the invention
The embodiment of the invention provides a kind of pick-up unit and method that the radio frequency interface extrapolation connects that be used to detect, in order to detect the insertion state of radio-frequency (RF) switch connector.
The embodiment of the invention provides a kind of being used to detect the pick-up unit that the radio frequency interface extrapolation connects, and comprising: radio-frequency (RF) switch connector and the testing circuit that is connected with described radio-frequency (RF) switch connector;
Described testing circuit is used for inserting according to described radio-frequency (RF) switch connector the state of external radio frequency plug, in the detection port output high level or the low level of described testing circuit.
The embodiment of the invention provides a kind of method that the radio frequency interface extrapolation connects that is used to detect, that uses that the embodiment of the invention provides arbitrary describedly is used to detect the pick-up unit that the radio frequency interface extrapolation connects and detects, according to the output level of detection port, judge whether radio frequency interface is inserted with external radio frequency plug.
The pick-up unit and the method that are used to detect the connection of radio frequency interface extrapolation of the embodiment of the invention, the state exchange that external radio frequency plug is inserted or do not insert by testing circuit is DC level output, detects with convenient insertion state to the radio frequency switching connector.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Synoptic diagram when Fig. 1 inserts for there not being external radio frequency plug in the radio-frequency (RF) switch connector;
Synoptic diagram when Fig. 2 inserts for external radio frequency plug is arranged in the radio-frequency (RF) switch connector;
Fig. 3 is used to detect the synoptic diagram of the pick-up unit embodiment one that the radio frequency interface extrapolation connects for the present invention;
Fig. 4 A is used to detect the synoptic diagram that pick-up unit embodiment two that the radio frequency interface extrapolation connects does not insert state for the present invention;
Fig. 4 B is used to detect the synoptic diagram that pick-up unit embodiment two that the radio frequency interface extrapolation connects inserts states for the present invention;
Fig. 5 A is used to detect the synoptic diagram that pick-up unit embodiment three that the radio frequency interface extrapolation connects does not insert state for the present invention;
Fig. 5 B is used to detect the synoptic diagram that pick-up unit embodiment three that the radio frequency interface extrapolation connects inserts states for the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 3 is used to detect the synoptic diagram of the pick-up unit embodiment one that the radio frequency interface extrapolation connects for the present invention, and as shown in Figure 3, this device comprises: radio-frequency (RF) switch connector 31 and testing circuit 33; Wherein testing circuit 33 is connected with radio-frequency (RF) switch connector 31.
Radio-frequency (RF) switch connector 31 is a mechanical switch structure, is the connector that is used to connect external radio frequency plug.
Testing circuit 33 is used for inserting according to radio-frequency (RF) switch connector 31 state of external radio frequency plug, in the detection port output high level or the low level of testing circuit 33.
When not inserting external radio frequency plug in the radio-frequency (RF) switch connector 31, external radio-frequency cable C and A point and B point are all less than being connected, and A point in the radio-frequency (RF) switch connector and B point are electrically connected, this moment testing circuit 33 detection port output high level (or low level); When inserting external radio frequency plug in the radio-frequency (RF) switch connector 31, external radio-frequency cable C is electrically connected with A point in the radio-frequency (RF) switch connector 31 by external radio frequency plug, and the B point in external radio-frequency cable C and the radio-frequency (RF) switch connector 33 disconnects, and the A point disconnects with the B point and being connected, at this moment the detection port output low level (or high level) of testing circuit 33.That is to say, concrete structure difference according to testing circuit, in radio-frequency (RF) switch connector 31, insert or when not inserting external radio frequency plug, the height difference of the level of the detection port output of testing circuit, according to the height of output level, can judge whether be inserted with external radio frequency plug in the radio-frequency (RF) switch connector.
Radio-frequency (RF) switch connector in the present embodiment can be applied to several scenes, for example: the transceiver connection external antenna that is used to have built-in aerial, under this application scenarios, A point among 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 linked to each other with transceiver self built antenna; After the external radio frequency plug that connects external antenna inserted the radio-frequency (RF) switch connector, the radio frequency transceiver front end just linked to each other with external antenna, and disconnects with transceiver self built antenna.In addition, the radio-frequency (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, links to each other with radio transceiver device by radio frequency connector.
After in detecting the radio-frequency (RF) switch connector, whether being inserted with external radio frequency plug, can control the work of other parts of communication facilities or other equipment according to testing result, 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 the hardware damage that (port mismatch) user misoperation (such as opening radio frequency transceiver) causes under the situation that does not have antenna to connect; Perhaps, terminal device can be discerned the current wireless connection conditions that whether is in 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 in that wireless connection conditions is next, make it smooth in each frequency range, it is excessive to correct some frequency power simultaneously, to reduce Overall Power Consumption, reduce the complete machine heating.
The embodiment of the invention, the state exchange that external radio frequency plug is inserted or do not insert by testing circuit is DC level output, detects with convenient insertion state to the radio frequency switching connector.
Fig. 4 A is used to detect the synoptic diagram that pick-up unit embodiment two that the radio frequency interface extrapolation connects does not insert state for the present invention, and Fig. 4 B is used to detect the synoptic diagram of the pick-up unit embodiment two insertion states that the radio frequency interface extrapolation connects for the present invention; Shown in Fig. 4 A and Fig. 4 B, on the basis of device embodiment one, the testing circuit 33 in this device comprises first detecting unit 40.
First detecting unit 40 is used for when radio-frequency (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 the radio-frequency (RF) switch connector 31, in the first detection port output low level of testing circuit.
First detecting unit 40 specifically can comprise: draw voltage port 49, first detection port 42 on first electric capacity 41, first inductance 43, second inductance 45, first resistance 47, first.
First end of first electric capacity 41 is electrically connected with the front end of the radio frequency transceiver of outside, and second end of first electric capacity 41 is electrically connected with first end of radio-frequency (RF) switch connector 31 and first end of first inductance 43 respectively.
The second end ground connection of first inductance 43.
First end of second inductance 45 is electrically connected with second end of radio-frequency (RF) switch connector 31, and second end of second inductance 45 is electrically connected with first end and first detection port 44 of first resistance 47 respectively.
Draw voltage port 49 to be electrically connected on second end and first of first resistance 47.
Wherein, the end of first end of radio-frequency (RF) switch connector 31 for when external radio frequency plug inserts, being connected with external radio frequency plug.
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.
Present embodiment changes the topological structure of testing circuit by radio-frequency (RF) switch connector difference of self port connection status when having or not external radio frequency plug to insert, make the voltage of detection port of testing circuit also change thereupon, detect the purpose whether external radio frequency plug inserts thereby reach; Use capacitance and the sense of resistance alternating current guarantee the isolation between direct current and the high-frequency circuit in the while testing circuit.
In another embodiment of present embodiment, first detecting unit can also comprise second electric capacity 44.First end of second electric capacity 44 is electrically connected with the built-in aerial of the transceiver of outside, and second end of second electric capacity 44 is electrically connected with second end of radio-frequency (RF) switch connector 31 and first end of second inductance 45 respectively.
In the present embodiment, shown in Fig. 4 A, when external radio frequency plug did not insert the radio-frequency (RF) switch connector, first detection port 42 and earth terminal were communicated with, and this moment, first detection port was a low level; Shown in Fig. 4 B, when external radio frequency plug inserts the radio-frequency (RF) switch connector, the value that the voltage of first detection port 42 draws voltage on promptly being, this moment, first detection port was a high level.
Further, first inductance in the present embodiment can be replaced by resistance, and 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 invention, the state exchange that external radio frequency plug is inserted by testing circuit is high level output, the state exchange that external radio frequency plug is not inserted is low level output, detects with convenient insertion state to the radio frequency switching connector.
Fig. 5 A is used to detect the synoptic diagram that pick-up unit embodiment three that the radio frequency interface extrapolation connects does not insert state for the present invention, and Fig. 5 B is used to detect the synoptic diagram of the pick-up unit embodiment three insertion states that the radio frequency interface extrapolation connects for the present invention; Shown in Fig. 5 A and Fig. 5 B, on the basis of device embodiment one, the testing circuit 33 in this device comprises second detecting unit 50.
Second detecting unit 50 is used for when radio-frequency (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 the radio-frequency (RF) switch connector 31, at second detection port output high level of testing circuit 33.
Second detecting unit 50 specifically can comprise: draw voltage port 59, second detection port 52 on the 3rd electric capacity 51, the 3rd inductance 53, the 4th inductance 55, second resistance 57, second.
First end of the 3rd electric capacity 51 is electrically connected with the front end of the radio frequency transceiver of outside, and second end of the 3rd electric capacity 51 is electrically connected with first end of radio-frequency (RF) switch connector 31 and first end of the 3rd inductance 53 respectively.
Second end of the 3rd inductance 53 is electrically connected with first end of second detection port 52 and second resistance 57 respectively.
The second end ground connection of second resistance 57.
First end of the 4th inductance 55 is electrically connected with second end of radio-frequency (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 first end of radio-frequency (RF) switch connector 31 for when external radio frequency plug inserts, being connected with external radio frequency plug.
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.Present embodiment changes the topological structure of testing circuit by radio-frequency (RF) switch connector difference of self port connection status when having or not external radio frequency plug to insert, make the voltage of detection port of testing circuit also change thereupon, detect the purpose whether external radio frequency plug inserts thereby reach; Use capacitance and the sense of resistance alternating current guarantee the isolation between direct current and the high-frequency circuit in the while testing circuit.
In another embodiment of present embodiment, second detecting unit can also comprise the 4th electric capacity 54.First end of the 4th electric capacity 54 is electrically connected with the built-in aerial of the transceiver of outside, and second end of the 4th electric capacity 54 is electrically connected with second end of radio-frequency (RF) switch connector 31 and first end of the 4th inductance 55 respectively.
In the present embodiment, shown in Fig. 5 A, when external radio frequency plug does not insert the radio-frequency (RF) switch connector, draw voltage port 59 to be communicated with on second detection port 52 and second, this moment, second detection port 52 was a high level; Shown in Fig. 5 B, when external radio frequency plug inserts the radio-frequency (RF) switch connector, do not having on the external radio frequency plug under the situation of DC voltage, it is drop-down that the voltage of second detection port 52 is grounded end, and this moment, second detection port 52 was a 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 invention, the state exchange that external radio frequency plug is inserted by testing circuit is low level output, the state exchange that external radio frequency plug is not inserted is high level output, detects with convenient insertion state to the radio frequency switching connector.
The embodiment of the invention also provides a kind of method that the radio frequency interface extrapolation connects that is used to detect, this method uses that embodiment of the invention provides arbitraryly is used to detect the pick-up unit that the radio frequency interface extrapolation connects the radio frequency switching connector is detected, according to the output level of the detection port of pick-up unit, can judge the radio-frequency (RF) switch connector is whether to be inserted with external radio frequency plug in the radio frequency interface.
The embodiment of the invention, the state exchange that external radio frequency plug is inserted or do not insert by testing circuit is DC level output, detects with convenient insertion state to the radio frequency switching 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 made amendment to the technical scheme that aforementioned each embodiment put 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 (9)
1. one kind is used to detect the pick-up unit that the radio frequency interface extrapolation connects, and it is characterized in that, comprising: radio-frequency (RF) switch connector and the testing circuit that is connected with described radio-frequency (RF) switch connector;
Described testing circuit is used for inserting according to described radio-frequency (RF) switch connector the state of external radio frequency plug, in the detection port output high level or the low level of described testing circuit.
2. according to claim 1 being used to detected the pick-up unit that the radio frequency interface extrapolation connects, and it is characterized in that described testing circuit comprises:
First detecting unit, be used for when described radio-frequency (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 the described radio-frequency (RF) switch connector, in the detection port output low level of described testing circuit; Perhaps
Second detecting unit, be used for when described radio-frequency (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 the described radio-frequency (RF) switch connector, at the detection port output high level of described testing circuit.
3. according to claim 2 being used to detected the pick-up unit that the radio frequency interface extrapolation connects, and it is characterized in that described first detecting unit comprises:
Draw voltage port, first detection port on first electric capacity, first inductance, second inductance, first resistance, first;
First end of described first electric capacity is electrically connected with the front end of the radio frequency transceiver of outside, and second end of described first electric capacity is electrically connected with first end of described radio-frequency (RF) switch connector and first end of described first inductance respectively;
The second end ground connection of described first inductance;
First end of described second inductance is electrically connected with second end of described radio-frequency (RF) switch connector, and second end of described second inductance is electrically connected with first end and described first detection port of described first resistance respectively;
Draw voltage port to be electrically connected on second end of described first resistance and described first;
The end of first end of described radio-frequency (RF) switch connector for when external radio frequency plug inserts, being connected with described external radio frequency plug.
4. according to claim 3 being used to detected the pick-up unit that the radio frequency interface extrapolation connects, and it is characterized in that described first detecting unit also comprises: second electric capacity;
First end of described second electric capacity is electrically connected with the built-in aerial of the transceiver of outside, and second end of described second electric capacity is electrically connected with second end of described radio-frequency (RF) switch connector and first end of described second inductance respectively.
5. according to claim 2 being used to detected the pick-up unit that the radio frequency interface extrapolation connects, and it is characterized in that described second detecting unit comprises:
Draw voltage port, second detection port on the 3rd electric capacity, the 3rd inductance, the 4th inductance, second resistance, second;
First end of described the 3rd electric capacity is electrically connected with the front end of the radio frequency transceiver of outside, and second end of described the 3rd electric capacity is electrically connected with first end of described radio-frequency (RF) switch connector and first end of described the 3rd inductance respectively;
Second end of described the 3rd inductance is electrically connected with first end of described second detection port and described second resistance respectively;
The second end ground connection of described second resistance;
First end of described the 4th inductance is electrically connected with second end of described radio-frequency (RF) switch connector, draws voltage port to be electrically connected on second end of described the 4th inductance and described second;
The end of first end of described radio-frequency (RF) switch connector for when external radio frequency plug inserts, being connected with described external radio frequency plug.
6. according to claim 5 being used to detected the pick-up unit that the radio frequency interface extrapolation connects, and it is characterized in that described second detecting unit also comprises: the 4th electric capacity;
First end of described the 4th electric capacity is electrically connected with the built-in aerial of the transceiver of outside, and second end of described the 4th electric capacity is electrically connected with second end of described radio-frequency (RF) switch connector and first end of described the 4th inductance respectively.
7. detect the pick-up unit that the radio frequency interface extrapolation connects according to claim 3 or 4 described being used to, it is characterized in that described first inductance is replaced by first resistance, and/or described second inductance is replaced by second resistance.
8. detect the pick-up unit that the radio frequency interface extrapolation connects according to claim 5 or 6 described being used to, it 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.
9. one kind is used to detect the method that the radio frequency interface extrapolation connects, it is characterized in that, use as the arbitrary described pick-up unit that is used to detect the connection of radio frequency interface extrapolation of claim 1-8 detects,, judge whether radio frequency interface is inserted with external radio frequency plug according to the output level of detection port.
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 true CN102141593A (en) | 2011-08-03 |
| CN102141593B 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 (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012083802A1 (en) * | 2010-12-24 | 2012-06-28 | 华为终端有限公司 | Detection device and method for detecting external connection of radio frequency interface |
| WO2015176621A1 (en) * | 2014-05-19 | 2015-11-26 | 华为技术有限公司 | Interface detection circuit, apparatus 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 |
| US9664732B2 (en) | 2014-10-21 | 2017-05-30 | Alpha Networks Inc. | RF device and switching control performed therein |
| CN108089090A (en) * | 2016-11-22 | 2018-05-29 | 日本压着端子制造株式会社 | Electrical characteristics check system and electrical characteristics inspection method |
| 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 |
| CN111812556A (en) * | 2020-06-29 | 2020-10-23 | 深圳追日新能源技术有限公司 | Detection circuit with voltage-dividing resistor for good socket insertion |
| WO2021164309A1 (en) * | 2020-02-21 | 2021-08-26 | 荣耀终端有限公司 | Radio frequency line installation detection apparatus and terminal |
| WO2022088920A1 (en) * | 2020-10-31 | 2022-05-05 | 华为技术有限公司 | Radio frequency system, electronic device, and computer readable storage medium |
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- 2011-12-13 WO PCT/CN2011/083861 patent/WO2012083802A1/en active Application Filing
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| 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 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012083802A1 (en) * | 2010-12-24 | 2012-06-28 | 华为终端有限公司 | Detection device and method for detecting external connection of radio frequency interface |
| WO2015176621A1 (en) * | 2014-05-19 | 2015-11-26 | 华为技术有限公司 | Interface detection circuit, apparatus and method |
| US9664732B2 (en) | 2014-10-21 | 2017-05-30 | Alpha Networks Inc. | RF device and switching control performed therein |
| CN105866611A (en) * | 2016-04-28 | 2016-08-17 | 乐视控股（北京）有限公司 | Antenna plugging state detection device |
| CN108089090A (en) * | 2016-11-22 | 2018-05-29 | 日本压着端子制造株式会社 | Electrical characteristics check system and electrical characteristics inspection method |
| CN108089090B (en) * | 2016-11-22 | 2021-04-13 | 日本压着端子制造株式会社 | Electrical characteristic inspection system and electrical characteristic inspection method |
| 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 |
| WO2021164309A1 (en) * | 2020-02-21 | 2021-08-26 | 荣耀终端有限公司 | Radio frequency line installation detection apparatus and terminal |
| CN111812556A (en) * | 2020-06-29 | 2020-10-23 | 深圳追日新能源技术有限公司 | Detection circuit with voltage-dividing resistor for good socket insertion |
| 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 |
| WO2022088920A1 (en) * | 2020-10-31 | 2022-05-05 | 华为技术有限公司 | Radio frequency system, electronic device, and computer readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102141593B (en) | 2013-06-05 |
| WO2012083802A1 (en) | 2012-06-28 |
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