CN109188083A - A kind of RF consistency of LDS antenna and line impedance detection system and method - Google Patents
A kind of RF consistency of LDS antenna and line impedance detection system and method Download PDFInfo
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- CN109188083A CN109188083A CN201810985701.3A CN201810985701A CN109188083A CN 109188083 A CN109188083 A CN 109188083A CN 201810985701 A CN201810985701 A CN 201810985701A CN 109188083 A CN109188083 A CN 109188083A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
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Abstract
The invention discloses a kind of RF consistency of LDS antenna and line impedance detection system, it includes jig, first test hardware, Network Analyzer, second test hardware, LCR tester and computer, jig is equipped with multiple testing impedance thimbles and two RF test thimble, multiple testing impedance thimbles are connected to the impedance Pad1 point of LDS antenna, impedance Pad1 ' point, impedance Pad2 point and impedance Pad2 ' point, two RF test thimbles are connected to the RF Pad1 point and RF pad2 point of LDS antenna, computer is equipped with test software, test software corresponds to LDS antenna and is preset with standard RF data and its bound and normal impedance value and its bound, test software is used for: judging the Return L that Network Analyzer is tested Whether oss data comply with standard the upper and lower limits of RF data, and export comparing result；Judge whether each line impedance value that LCR tester is tested meets the RF data requirement of setting, and exports comparing result.The present invention have the characteristics that it is at low cost, high-efficient, can store and called data.
Description
Technical field
The present invention relates to antenna detection apparatus more particularly to a kind of RF consistency of LDS antenna and line impedance detection system
System and method.
Background technique
With the arrival of 4G network, the appearance of smart phone has changed people's lives mode, and people pass through various APP
Solve the food, clothing, housing and transportation in life.Antenna for mobile phone as realization 4G function of surfing the Net important component is just at intelligent hand
The emphasis of machine manufacturer concern.The technique of antenna for mobile phone is broadly divided into FPC (Flexible Printed Circuit), LDS at present
(Laser Direct Structuring), in-mould injection (Insert Molding) etc., and wherein LDS antenna is being produced and is being made
During making, due to the influence of design and processes process capability, LDS antenna is easy LDS open lines occur because of plating leakage or plating of overflowing
Or the problems such as short circuit, it is bad so as to cause antenna performance, therefore the performance detection of LDS antenna is then particularly important, relative to
Traditional RF and impedance divide and rule tool test scheme often there is occupy jig it is more, detection efficiency is not high, detection data without
The defects of method retrospect and higher testing cost.
Please refer to Fig. 6, traditional RF and impedance detection system, including 100, LCR testers of a Network Analyzer
101, the detection jig 102 of LDS antenna and carrying LDS antenna, RF conformance test method are as follows: first with a network analysis
Instrument is connect by detecting jig with RF Pad1 point and RF pad2 point, is tested Return Loss value, is determined；Its impedance is surveyed
Method for testing are as follows: pass through detection jig and impedance Pad1 point, impedance Pad1 ' point, impedance Pad2 point and resistance with a LCR test equipment
Anti- Pad2 ' point connection all after the completion of detection, can complete the test of 1 LDS antenna to test antenna line impedance value
Determine, such system occupies instrument and manpower is more, and testing efficiency is low, and can not achieve the access and retrospect of data, it is difficult to
Meet application demand.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the deficiencies of the prior art, provide it is a kind of it is at low cost, high-efficient,
It can store and called data, detection system and method that LDS antenna RF consistency and line impedance can be tested simultaneously.
In order to solve the above technical problems, the present invention adopts the following technical scheme that.
A kind of RF consistency of LDS antenna and line impedance detection system comprising have jig, the first test hardware, net
Network analyzer, the second test hardware, LCR tester and computer, the jig are equipped with multiple testing impedance thimbles and two
RF tests thimble, and for the jig for placing LDS antenna to be detected, multiple testing impedance thimbles are connected to LDS antenna
Impedance Pad1 point, impedance Pad1 ' point, impedance Pad2 point and impedance Pad2 ' point, two RF test thimbles are connected to LDS
The RF Pad1 point and RF pad2 point of antenna, the Network Analyzer test thimble test by the first test hardware and two RF
The Return Loss data of RF Pad1 point and RF Pad2 point are simultaneously uploaded to computer, and the LCR tester passes through the second test
Hardware and multiple testing impedance thimble Impedance measurement Pad1 points/impedance Pad1 ' point and impedance Pad2 point/impedance Pad2 ' put route
Impedance value and be uploaded to computer, the computer is equipped with test software, and the test software corresponds to LDS antenna and presets
There are standard RF data and its bound and normal impedance value and its bound, the test software is used for: judging the network point
Whether the Return Loss data that analyzer is tested comply with standard the upper and lower limits of RF data, and export comparing result；Sentence
Whether each line impedance value that the LCR tester is tested that breaks meets the RF data requirement of setting, and exports comparing result.
Preferably, the computer is handled according to the comparing result that test software exports, if comparing result is to meet,
It then shows " Pass ", if comparing result is not meet, shows " Fail ".
Preferably, the first test hardware and the second test hardware pass through cable respectively and are connected to computer.
Preferably, the second test hardware includes that power supply, data collector and Switch switch, the power supply are used for
The end Input port for data collector and Switch switch power supply, the Switch switch is connected to LCR tester, described
The output end of Switch switch is connected to the I/O mouth of data collector, and the end Port1 of the Switch switch is connected to impedance
Pad1 point/impedance Pad1 ' point, the end Port2 of Switch switch are connected to impedance Pad2 point/impedance Pad2 ' point, and described the
The structure of one test hardware is identical as the second test hardware.
Preferably, the model NI USB-6501 of the data collector, and the data collector includes 24 numbers
I/O mouthfuls of word.
Preferably, the Switch switch is that Agilent 87104B type hilted broadsword four-throw type switchs.
Preferably, the power supply is the rail type switch power supply of model DR-45-5V.
A kind of RF consistency of LDS antenna and line impedance detection method, this method are based on device realization, described device
It include jig, the first test hardware, Network Analyzer, the second test hardware, LCR tester and computer, on the jig
Thimble is tested equipped with multiple testing impedance thimbles and two RF, the jig is for placing LDS antenna to be detected, multiple impedances
Test thimble is connected to impedance Pad1 point, impedance Pad1 ' point, impedance Pad2 point and the impedance Pad2 ' point of LDS antenna, and two
A RF test thimble is connected to the RF Pad1 point of LDS antenna and RF pad2 point, the computer are equipped with test software,
The test software corresponds to LDS antenna and is preset with standard RF data and its bound and normal impedance value and its bound, institute
The method of stating includes the following steps: that step S1, the Network Analyzer test thimble test by the first test hardware and two RF
The Return Loss data of RF Pad1 point and RF Pad2 point are simultaneously uploaded to computer；Step S2, the LCR tester pass through
Second test hardware and multiple testing impedance thimble Impedance measurement Pad1 points/impedance Pad1 ' point and impedance Pad2 point/impedance
The impedance value of Pad2 ' point route is simultaneously uploaded to computer；Step S3, the test software judge that the Network Analyzer is tested
To Return Loss data whether comply with standard the upper and lower limits of RF data, and export comparing result；Step S4, it is described
Test software judges whether each line impedance value that the LCR tester is tested meets the RF data requirement of setting, and defeated
Comparing result out.
Preferably, further include step as the result is shown: at the comparing result that the computer is exported according to test software
Reason shows " Pass " if comparing result is to meet, if comparing result is not meet, shows " Fail ".
Preferably, the Network Analyzer and LCR tester are connected to computer by cable, and are by the computer
Network Analyzer and LCR tester distribute IP address.
In the RF consistency and line impedance detection system of LDS antenna disclosed by the invention, first by the network analysis
Instrument tests thimbles by the first test hardware and two RF and tests the Return Loss data of RF Pad1 points and RF Pad2 point simultaneously
It is uploaded to computer；The second test hardware and multiple testing impedance thimble Impedance measurement Pad1 are passed through by the LCR tester again
Point/impedance Pad1 ' point and impedance Pad2 point/impedance Pad2 ' point route impedance value are simultaneously uploaded to computer；The test later
Software judges whether the Return Loss data that the Network Analyzer is tested comply with standard the bound model of RF data
It encloses, and exports comparing result；And the test software judges whether is each line impedance value that the LCR tester is tested
Meet the RF data requirement of setting, and exports comparing result.Based on the above principles, the present invention substantially increases testing efficiency, has
Effect saves production time and cost of labor, and reduces the production cost of enterprise.Meanwhile present system design jig
Cost is reduced, and reduces area needed for producing line puts jig, more spaces can be reserved for other stations, and then improve producing line
Utilization rate.In addition, present system can be reserved for the test data of each product, pass through the finishing analysis to test data, discovery
The problems in procedure for producing simultaneously improves in time, and then improves product quality.
Detailed description of the invention
Fig. 1 is the Facad structure figure of LDS antenna.
Fig. 2 is the backside structure figure of LDS antenna.
Fig. 3 is the RF consistency of LDS antenna and the composition block diagram of line impedance detection system.
Fig. 4 is the composite structural diagram of the second test hardware.
Fig. 5 is the RF consistency of LDS antenna and the flow chart of line impedance detection method.
Fig. 6 is the composition block diagram of tradition RF consistency and line impedance detection system.
Specific embodiment
The present invention is described in more detail with reference to the accompanying drawings and examples.
The invention discloses a kind of RF consistency of LDS antenna and line impedance detection system, in conjunction with shown in Fig. 1 to Fig. 4,
It includes that jig 1, first tests hardware 2, Network Analyzer 3, second tests hardware 4, LCR tester 5 and computer 6, institute
Jig 1 is stated equipped with multiple testing impedance thimbles and two RF test thimbles, the jig 1 is for placing LDS days to be detected
Line 200, multiple testing impedance thimbles are connected to the impedance Pad1 point, impedance Pad1 ' point, impedance Pad2 point of LDS antenna 200
With impedance Pad2 ' point, two RF test thimbles are connected to the RF Pad1 point and RF pad2 point of LDS antenna 200, the net
Network analyzer 3 tests the Return that thimble tests RF Pad1 point and RF Pad2 point by the first test hardware 2 and two RF
Loss data are simultaneously uploaded to computer 6, and the LCR tester 5 passes through the second test hardware 4 and the test of multiple testing impedance thimbles
Impedance Pad1 point/impedance Pad1 ' point and impedance Pad2 point/impedance Pad2 ' point route impedance value are simultaneously uploaded to computer 6, institute
State computer 6 and test software be installed, the test software correspond to LDS antenna and be preset with standard RF data and its bound and
Normal impedance value and its bound, the test software are used for:
Judge that the Network Analyzer 3 tests whether obtained Return Loss data comply with standard the upper and lower of RF data
Range is limited, and exports comparing result；
Judge that the LCR tester 5 tests the RF data requirement whether obtained each line impedance value meets setting, and defeated
Comparing result out.
In above system, thimble test is tested by the first test hardware 2 and two RF by the Network Analyzer 3 first
The Return Loss data of RF Pad1 point and RF Pad2 point are simultaneously uploaded to computer 6；Pass through the by the LCR tester 5 again
Two test hardware 4 and multiple testing impedance thimble Impedance measurement Pad1 points/impedance Pad1 ' point and impedance Pad2 point/impedance Pad2 '
The impedance value of point route is simultaneously uploaded to computer 6；The test software judges what the test of Network Analyzer 3 obtained later
Whether Return Loss data comply with standard the upper and lower limits of RF data, and export comparing result；And the test software
Judge that the LCR tester 5 tests whether obtained each line impedance value meets the RF data requirement of setting, and exports comparison knot
Fruit.Based on the above principles, the present invention substantially increases testing efficiency, effectively saves production time and cost of labor, and drop
The production cost of Di Liao enterprise.Meanwhile the cost of present system design jig is reduced, and is reduced producing line and is put needed for jig
Area can reserve more spaces for other stations, and then improve producing line utilization rate.In addition, present system can be reserved for each
The test data of product is found the problems in procedure for producing and is improved in time, Jin Erti by the finishing analysis to test data
High product quality.
The LDS antenna that the present embodiment is related to usually takes two Pad points, respectively RF during RF consistency check
Pad1,RF Pad2.In testing impedance, corresponding Pad point is taken according to the item number of antenna traces, the position of Pad point exists respectively
The initial position and end of route please refer to Fig. 1, and LDS antenna has two lines road, therefore 4 Pad points are taken in testing impedance,
Respectively impedance Pad1, impedance Pad1 ', impedance Pad2, impedance Pad2 '.
The computer 6 is handled according to the comparing result that test software exports as a preferred method, if comparison
As a result it to meet, then shows " Pass ", if comparing result is not meet, shows " Fail ".
Further, the first test hardware 2 and the second test hardware 4 are connected to computer 6 by cable respectively.
About the concrete composition of test hardware, referring to figure 4., the second test hardware 4 includes that power supply 40, data are adopted
Storage 41 and Switch switch 42, the power supply 40 is used to power for data collector 41 and Switch switch 42, described
The end Input port of Switch switch 42 is connected to LCR tester 5, and the output end of the Switch switch 42 is connected to data
The I/O mouth of collector 41, the end Port1 of the Switch switch 42 is connected to impedance Pad1 point/impedance Pad1 ' point, described
The end Port2 of Switch switch 42 is connected to impedance Pad2 point/impedance Pad2 ' point, the structure of the first test hardware 2 and the
Two test hardware 4 are identical.
About the type selecting of each device, the model NI USB-6501 of the data collector 41, and the data collector
41 include 24 I/O mouthfuls of numbers.The Switch switch 42 is Agilent 87104B type hilted broadsword four-throw type switch.The electricity
Source 40 is the rail type switch power supply of model DR-45-5V.
In order to better describe technical solution of the present invention, the invention also discloses a kind of RF consistency of LDS antenna with
Line impedance detection method, in conjunction with shown in Fig. 1 to Fig. 5, this method is realized based on a device, and described device includes jig 1, the
One test hardware 2, Network Analyzer 3, second test hardware 4, LCR tester 5 and computer 6, and the jig 1 is equipped with multiple
Testing impedance thimble and two RF test thimble, and the jig 1 is for placing LDS antenna 200 to be detected, multiple testing impedances
Thimble is connected to impedance Pad1 point, impedance Pad1 ' point, impedance Pad2 point and the impedance Pad2 ' point of LDS antenna 200, and two
RF test thimble is connected to the RF Pad1 point and RF pad2 point of LDS antenna 200, and it is soft that the computer 6 is equipped with test
Part, the test software correspond to LDS antenna and are preset with standard RF data and its bound and normal impedance value and its bound,
Described method includes following steps:
Step S1, the Network Analyzer 3 test thimble by the first test hardware 2 and two RF and test RF Pad1 point
With the Return Loss data of RF Pad2 point and be uploaded to computer 6；
Step S2, the LCR tester 5 pass through the second test hardware 4 and multiple testing impedance thimble Impedance measurement Pad1
Point/impedance Pad1 ' point and impedance Pad2 point/impedance Pad2 ' point route impedance value are simultaneously uploaded to computer 6；
Step S3, the test software judge that the Network Analyzer 3 tests whether obtained Return Loss data accord with
The upper and lower limits of standardization RF data, and export comparing result；
Step S4, the test software judge whether each line impedance value that the test of LCR tester 5 obtains meets and set
Fixed RF data requirement, and export comparing result.
The above method further includes step as the result is shown: the computer 6 is carried out according to the comparing result that test software exports
Processing shows " Pass " if comparing result is to meet, if comparing result is not meet, shows " Fail ".
In practical application, the Network Analyzer 3 and LCR tester 5 are connected to computer 6 by cable, and by described
Computer 6 is that Network Analyzer 3 and LCR tester 5 distribute IP address.
The execution process of the above method are as follows: entire test macro is built first, using cable by computer and network
Analyzer or LCR test equipment carry out unified IP and are arranged to guarantee successful connection, then by connecting line by Network Analyzer or
The port Input connection on the output port and hardware switch of LCR table, the P0.0/P0.1/P0.2/ of Usage data collection equipment
P0.3 mouthfuls of connections and successively four ports Port1, Port2, Port3, Port4 of trigger switch make it keep being connected to, finally net
Network analyzer tests the Return Loss data of RF Pad1 and RF Pad2, LCR tester Impedance measurement Pad1/ impedance Pad1 '
With impedance Pad2/ impedance Pad2 ' line impedance value and product test data be transferred to by computer by data line and save.
The judgement of the test software include: a, Test Engineer by computer test software be arranged test point frequency values
Or the specification (i.e. the upper and lower bounds of software grabs data) of the frequency values impedance of resistance value and test point；B, data collector passes through
Acquisition to number of test points evidence in Network Analyzer or LCR table simultaneously sends computer test software to and compares and by related data
It is saved；C, judgement is compared by data and test specification, judges the performance of test sample, performance OK is shown:
" Pass ", performance NG show " Fail ".
The RF consistency and line impedance detection system and method for LDS antenna disclosed by the invention, can be completed at the same time
The impedance of product and RF uniformity test, and testing efficiency is doubled, tester can be reduced to by original two
One, dramatically save testing time and cost of labor.Meanwhile the present invention is recorded and saved often using computer and test software
The test data of a product can easily find product after carrying out finishing analysis by test data of the engineer to preservation
In process of production the problem of, is simultaneously improved, and is helped to improve the quality of LDS antenna, has been better meet application demand.
The above is preferred embodiments of the present invention, is not intended to restrict the invention, all in technology model of the invention
Interior done modification, equivalent replacement or improvement etc. are enclosed, should be included in the range of of the invention protect.
Claims (10)
1. a kind of RF consistency of LDS antenna and line impedance detection system, which is characterized in that include jig (1), the first survey
Hardware (2), Network Analyzer (3), the second test hardware (4), LCR tester (5) and computer (6) are tried, on the jig (1)
Thimble is tested equipped with multiple testing impedance thimbles and two RF, the jig (1) is used to place LDS antenna (200) to be detected,
Multiple testing impedance thimbles are connected to impedance Pad1 point, impedance Pad1 ' point, impedance Pad2 point and the resistance of LDS antenna (200)
Anti- Pad2 ' point, two RF test thimbles are connected to the RF Pad1 point and RF pad2 point of LDS antenna (200), the network
Analyzer (3) tests the Return that thimble tests RF Pad1 point and RF Pad2 point by the first test hardware (2) and two RF
Loss data are simultaneously uploaded to computer (6), and the LCR tester (5) passes through the second test hardware (4) and multiple testing impedance tops
Needle Impedance measurement Pad1 point/impedance Pad1 ' point and impedance Pad2 point/impedance Pad2 ' point route impedance value are simultaneously uploaded to calculating
Machine (6), the computer (6) are equipped with test software, the test software correspond to LDS antenna and be preset with standard RF data and
Its bound and normal impedance value and its bound, the test software are used for:
Judge that the Network Analyzer (3) test the bound whether obtained Return Loss data comply with standard RF data
Range, and export comparing result；
Whether each line impedance value for judging that LCR tester (5) test obtains meets the RF data requirement of setting, and exports
Comparing result.
2. the RF consistency of LDS antenna as described in claim 1 and line impedance detection system, which is characterized in that the meter
Calculation machine (6) is handled according to the comparing result that test software exports, if comparing result is to meet, " Pass " is shown, if right
It is not meet than result, then shows " Fail ".
3. the RF consistency of LDS antenna as described in claim 1 and line impedance detection system, which is characterized in that described the
One test hardware (2) and the second test hardware (4) are connected to computer (6) by cable respectively.
4. the RF consistency of LDS antenna as described in claim 1 and line impedance detection system, which is characterized in that described the
Two tests hardware (4) include power supply (40), data collector (41) and Switch switch (42), and the power supply (40) is for being
Data collector (41) and Switch switch (42) power supply, the end Input port of the Switch switch (42) are connected to LCR
The output end of tester (5), the Switch switch (42) is connected to the I/O mouth of data collector (41), and the Switch is opened
The end Port1 for closing (42) is connected to impedance Pad1 point/impedance Pad1 ' point, and the end Port2 of the Switch switch (42) is connected to
The structure of impedance Pad2 point/impedance Pad2 ' point, first test hardware (2) is identical as the second test hardware (4).
5. the RF consistency of LDS antenna as claimed in claim 4 and line impedance detection system, which is characterized in that the number
According to the model NI USB-6501 of collector (41), and the data collector (41) includes 24 I/O mouthfuls of numbers.
6. the RF consistency of LDS antenna as claimed in claim 4 and line impedance detection system, which is characterized in that described
Switch switchs (42) as Agilent 87104B type hilted broadsword four-throw type switch.
7. the RF consistency of LDS antenna as claimed in claim 4 and line impedance detection system, which is characterized in that the electricity
Source (40) is the rail type switch power supply of model DR-45-5V.
8. a kind of RF consistency of LDS antenna and line impedance detection method, which is characterized in that it is real that this method is based on a device
Existing, described device includes jig (1), the first test hardware (2), Network Analyzer (3), the second test hardware (4), LCR survey
Instrument (5) and computer (6) are tried, the jig (1) is equipped with multiple testing impedance thimbles and two RF test thimble, the jig
(1) for placing LDS antenna (200) to be detected, multiple testing impedance thimbles are connected to the impedance of LDS antenna (200)
Pad1 point, impedance Pad1 ' point, impedance Pad2 point and impedance Pad2 ' point, two RF test thimbles are connected to LDS antenna
(200) RF Pad1 point and RF pad2 point, the computer (6) are equipped with test software, and the test software corresponds to LDS days
Line and be preset with standard RF data and its bound and normal impedance value and its bound, described method includes following steps:
Step S1, the Network Analyzer (3) test thimble by the first test hardware (2) and two RF and test RF Pad1 point
With the Return Loss data of RF Pad2 point and be uploaded to computer (6)；
Step S2, the LCR tester (5) pass through the second test hardware (4) and multiple testing impedance thimble Impedance measurement Pad1
Point/impedance Pad1 ' point and impedance Pad2 point/impedance Pad2 ' point route impedance value are simultaneously uploaded to computer (6)；
Whether step S3, the Return Loss data that the test software judges that the Network Analyzer (3) test obtains meet
The upper and lower limits of standard RF data, and export comparing result；
Whether step S4, each line impedance value that the test software judges that LCR tester (5) test obtains meet setting
RF data requirement, and export comparing result.
9. the RF consistency of LDS antenna as claimed in claim 8 and line impedance detection method, which is characterized in that further include
Step as the result is shown: the computer (6) is handled according to the comparing result that test software exports, if comparing result is symbol
It closes, then shows " Pass ", if comparing result is not meet, show " Fail ".
10. the RF consistency of LDS antenna as claimed in claim 8 and line impedance detection method, which is characterized in that the net
Network analyzer (3) and LCR tester (5) are connected to computer (6) by cable, and are network analysis by the computer (6)
Instrument (3) and LCR tester (5) distribute IP address.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112067894A (en) * | 2020-07-14 | 2020-12-11 | 深圳捷豹电波科技有限公司 | Millimeter wave antenna impedance consistency detection method, device, equipment and storage medium |
| CN112834953A (en) * | 2020-12-29 | 2021-05-25 | 深圳市信维通信股份有限公司 | PEP vibrator preparation process |
| CN113945758A (en) * | 2021-09-16 | 2022-01-18 | 昆山睿翔讯通通信技术有限公司 | Printed antenna resistance value measurement and control method and system |
| CN114744399A (en) * | 2022-06-13 | 2022-07-12 | 深圳华大北斗科技股份有限公司 | Automatic antenna debugging system and method |
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| US20140266939A1 (en) * | 2013-01-15 | 2014-09-18 | Fitbit, Inc. | Hybrid radio frequency / inductive loop antenna |
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