CN101431553B - Automatic test equipment for mobile phone component - Google Patents
Automatic test equipment for mobile phone component Download PDFInfo
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- CN101431553B CN101431553B CN2007101244056A CN200710124405A CN101431553B CN 101431553 B CN101431553 B CN 101431553B CN 2007101244056 A CN2007101244056 A CN 2007101244056A CN 200710124405 A CN200710124405 A CN 200710124405A CN 101431553 B CN101431553 B CN 101431553B
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Abstract
本发明属于手机组件测试技术领域，尤其涉及一种应用于手机组件的音频、振动功能的测试设备。它包括工作台、隔音仓结构、可旋转的转盘结构及测试装置。该隔音仓结构包括箱体和箱门；该转盘结构包括驱动装置、与该驱动装置相连接的转盘和定位置治具；该测试装置包括音频分析处理器、振动信号采集器、数据处理器及处理结果显示器；所述的隔音仓结构和转盘结构均设置在所述的工作台上，所述的箱体罩设在所述的转盘上，所述的箱门亦设置于该转盘的上方，所述的处理结果显示器固定在所述的箱门的外部。这样就可以实现对手机组件的音频、振动功能的快速在线测试，满足现阶段快速大批量的组件生产的要求。
The invention belongs to the technical field of mobile phone component testing, and in particular relates to a testing device for audio frequency and vibration functions of mobile phone components. It includes a working table, a soundproof cabin structure, a rotatable turntable structure and a test device. The soundproof cabin structure includes a box body and a box door; the turntable structure includes a drive device, a turntable connected to the drive device and a positioning fixture; the test device includes an audio analysis processor, a vibration signal collector, a data processor and Processing result display; the soundproof bin structure and the turntable structure are both set on the workbench, the box cover is set on the turntable, and the box door is also set above the turntable, The processing result display is fixed on the outside of the box door. In this way, rapid online testing of the audio and vibration functions of mobile phone components can be realized, meeting the requirements of rapid and mass production of components at this stage.
Description
Technical field
The invention belongs to the mobile phone component technical field of measurement and test, relate in particular to a kind of audio frequency of mobile phone component, testing equipment of vibrating function of being applied to.
Background technology
Along with developing rapidly of information technology, mobile phone has obtained extensive popularizing, and becomes requisite means of communication in people's daily life.Accordingly, the production of mobile phone and assembling have also entered the stage in enormous quantities.The continuous progress of society has also proposed very high requirement to the quality of product, any product is from producing, be assembled into the program that all can't do without a test of putting on market, for this new high-tech product of mobile phone, in assembling process, to its function test especially one essential, even important link.Because functions such as audio frequency, vibration are the mobile phone Core Features, its test result will directly have influence on the speech quality and the service quality of mobile phone.So in the numerous functional test of mobile phone, it is particularly important that audio-frequency test and vibration-testing seem.
Conventional online mobile phone component detection technique mainly is by one group of anchor clamps mobile phone component and testing element to be fixed on the relevant position to test.This have a lot of defectives by the improved testing apparatus of laboratory testing method.At first be to need several operative employees and efficient to hang down to adapt to large batch of plant produced, especially enter the current of mass production, more and more become the big bottleneck that quick large batch of assembly is produced at mobile phone component; Secondly environmental requirement is higher to external world for this technology, can't carry out on-line testing, can not keep synchronously with production.This in addition technology also exists measuring accuracy low, and stability is not high, shortcomings such as versatility difference.
Summary of the invention
Technical problem to be solved by this invention provides a kind of automatic test equipment of mobile phone component, can finish the online testing of mobile phone component fast.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of automatic test equipment of mobile phone component is provided, and it comprises workbench, sound insulation chamber structure, rotatable turntable structure and testing apparatus.This sound insulation chamber structure comprises casing and chamber door, and this chamber door is movable up and down to be arranged on this casing; This turntable structure comprises drive unit, the rotating disk that is connected with this drive unit and allocation tool, and this allocation tool is arranged on the described rotating disk; This testing apparatus comprises audio frequency analysis processor, vibration signal collector, data processor and processing result display, and described processing result display, audio frequency analysis processor and vibration signal collector are electrically connected with described data processor respectively; Described sound insulation chamber structure and turntable structure all are arranged on the described workbench, and described casing is located on the described rotating disk, and described chamber door also is arranged at the top of this rotating disk, and described processing result display is fixed on the outside of described chamber door; The workbench in the dead ahead of described chamber door is provided with a door shaped stent, and described processing result display is fixed on this door shaped stent, and described audio analysis processing instrument, vibration signal collector are placed in the electrical control cubicles, and described electrical control cubicles is below described workbench.
Adopt after such structure, only mobile phone component to be detected need be placed on the allocation tool on the rotating disk, start drive unit and drive dial rotation, chamber door is moved up, rotating disk can be sent into mobile phone component to be detected in the casing of sound insulation chamber structure like this, make chamber door move down this mobile phone component again and be in the environment of a relative closure and sound insulation, then test by testing apparatus.Thereby realized the audio frequency to mobile phone component, the quick on-line testing of vibrating function, satisfied the requirement of quick large batch of assembly production of present stage.
Description of drawings
Fig. 1 is the structural representation of a preferred embodiment provided by the invention;
Fig. 2 is the structural representation of sound insulation bin device in the preferred embodiment provided by the invention;
Fig. 3 is the structural representation of a preferred embodiment raising middle flask door section provided by the invention;
Fig. 4 is the scheme of installation of processing result display in the preferred embodiment provided by the invention;
Fig. 5 is the structural representation of processing result display in the preferred embodiment provided by the invention, sound insulation bin device and turntable structure part;
Fig. 6 is the structural representation of testing apparatus in the preferred embodiment provided by the invention, turntable structure and chamber door part;
Fig. 7 is another view of Fig. 6
Fig. 8 is the assembling schematic diagram that descends air cylinder and pcb board among Fig. 6.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As the embodiment of Fig. 1 to the automatic test equipment of mobile phone component shown in Figure 7, it comprises workbench 1, sound insulation chamber structure, rotatable turntable structure and testing apparatus.
The sound insulation chamber structure comprises casing 21 and chamber door 22 again, these chamber door 22 movable up and down being arranged on this casing 21.Turntable structure comprises drive unit, the rotating disk 31 that is connected with this drive unit and allocation tool 311 again, and this allocation tool 311 is arranged on the rotating disk 31.Testing apparatus comprises audio frequency analysis processor (not shown), vibration signal collector (not shown), data processor (not shown) again.The product that audio frequency analysis processor, vibration signal collector and data processor all can adopt prior art to provide, analyzing and processing and processing result display 41, processing result display 41, audio frequency analysis processor and vibration signal collector are electrically connected with data processor respectively, and data processor can be selected the computer that corresponding software is housed for use.Sound insulation chamber structure and turntable structure all are arranged on the workbench 1, and casing 21 is located on the part rotating disk 31, and chamber door 22 also is arranged at the top of this rotating disk 31, and processing result display 41 is fixed on the outside of chamber door 22.So just can realize the audio frequency to mobile phone component, the quick on-line testing of vibrating function, satisfy the requirement of quick large batch of assembly production of present stage.
In the precision measurement of mobile phone component audio frequency, extraneous various noises, noise can produce detecting and analysing system and disturb, and the system that influences judges, and then reduces the reliability of whole system, therefore, how to completely cut off ambient noise, to remove destabilizing factor be vital.For in the precision measurement of mobile phone component audio frequency, create a glitch-free test environment of sealing, as the improvement of aforementioned techniques scheme, as shown in Figure 2, the efficient acoustical cotton 211 that one deck can effectively absorb sound wave can be installed all on the inwall of aforementioned casing 21 and chamber door 22.Because the various noises in efficient 211 pairs of workshops of acoustical cotton can carry out very effective absorption, thereby can reach the purpose of creating a glitch-free test environment of sealing.
In order to make chamber door 22 to move up and down, as a kind of preferred embodiment, the sound insulation chamber structure also comprises doorframe 23 and can drive the cylinder 24 that chamber door 22 moves up and down, wherein, doorframe 23 is fixed on the casing 21, and chamber door 22 is slidingly arranged in this doorframe 23, and cylinder 24 is fixed on the doorframe 23.Like this, can chamber door 22 be opened or closed control cylinder 24.Concrete, this sound insulation chamber structure also comprises cylinder support 25, door chute 26 and sealing strip mounting groove 27, chamber door 22 is placed in the chute 26, and can in this chute 26, slide up and down, cylinder support 25 is arranged on the top of doorframe 23, and cylinder 24 is installed on this doorframe 23, sealing strip mounting groove 27 is arranged on doorframe 23 bottoms, the bottom of chamber door 22 can closely cooperate with sealing bar mounting groove 27, can lay efficient acoustical cotton in sealing bar mounting groove 27, with further raising soundproof effect.
In order further to improve the automatic degree of previous embodiment, this testing equipment also comprises control device, and this control device is electrically connected with aforesaid testing apparatus, the cylinder 24 that drives chamber door 22 and the drive unit in the rotating disk mechanism respectively.Concrete, on aforementioned workbench 1, also be provided with two start-up control devices 11, this start-up control device 11 needs operating personnel with the hands to press simultaneously, like this can the start-up control device, carry out following test job automatically.In addition, adopt the both hands switching manipulation, in the time of can guaranteeing to begin to test, operating personnel's hand all on start-up control device 11, have been avoided the possibility of misoperation, has improved the accuracy of test.Comprise various electric controling elements in the control device, as shown in Figure 1, they are installed in the electrical control cubicles 12 of workbench 1 below.These electrical control cubicles 12 belows are provided with supports castor 121, not only guarantees carrying, shockproof, and can realize the fast moving of entire equipment.
Referring to Fig. 5, the workbench 1 in the dead ahead of chamber door 22 be provided with one with door shaped stent 411, processing result display 41 is fixed on this door shaped stent 411.Concrete, aforementioned processing display 41 as a result can adopt LCD display, this LCD display is fixed in the dead ahead of casing 21 in the sound insulation chamber structure, directly over the turntable structure turntable 31, operating personnel look squarely the place ahead and can see that LCD goes up shown content like this, both make things convenient for equipment debugging personnel's debugging and operation of equipment employee's operation, also saved big quantity space, dwindled the unitary construction of body.
Further; as shown in Figure 4; on aforementioned LCD display, also be provided with LCD protection box 412 and LCD cable protection box 413; left and right symmetrically is equipped with two L type polyurethane ceilings 4121 in this LCD protection box 412, and this L type polyurethane ceiling 4121 all is fixed on the inner edge of LCD protection box with screw.Size is identical with LCD between this ceiling, the end face of box body, and the bottom surface and the back side all have a large amount of louvre 414.Because the L type polyurethane can effectively absorb impact, its protection LCD can not be subjected to serious collision to decreasing.And a large amount of louvres 414 has also guaranteed the adequacy that LCD dispels the heat.Easy to use, the time elegant in appearance, also dwindled the unitary construction joint of body and made an appointment with cost.
As shown in Figure 7, aforesaid drive unit comprises motor 32 and adpting flange 33, and this adpting flange 33 is connected with motor 32 and rotating disk 31 respectively, during work, drives rotating disk 31 by motor 32 by adpting flange 33 and rotates.In order further to improve the automated procedures and the test accuracy of this product, can also be at rotating disk 31 bottom surface installing and locating sensing chips, corresponding, on 1 of workbench, position transducer is set, this position transducer is electrically connected with aforementioned control device.Like this, in rotating disk 31 forwards sound insulation storehouse casing 21 to during the nominative testing position, promptly locate sensing chip when running into 1 upper position sensor of workbench, this position transducer will send signal to control device, power supply by this control device cut-out motor 32 stops operating rotating disk 31 automatically.Use motor 32 to drive the turntable structure that rotating disks 31 rotate, not only compact mechanical structure, electrical control are simple, and rotating disk 31 stops when measured piece arrives the test position place accurately, overall cost is not high.Realized high efficiency, cheaply automatic test.
In order to improve the testing efficiency of this product, as shown in Figure 5, on aforesaid rotating disk 31, be provided with two allocation tools 311 altogether, these two allocation tools 311 are separately positioned on the diametric(al) two ends of rotating disk 31.Like this, when being placed with mobile phone component on the allocation tool 311 and just testing in the casing 21 in the sound insulation storehouse, 311 of another allocation tools are in casing 21 outsides just, can lay mobile phone component next to be tested thereon.After mobile phone components in the casing 21 in sound insulation storehouse are finished test, rotate rotating disk 31 when it is produced, can change another mobile phone component to be tested in the casing 21 of sound insulation chamber structure over to simultaneously, can carry out test job at once it.
Also be provided with a circle protective fence 34 on the workbench 1, as Fig. 1, Fig. 5 and shown in Figure 7, this protective fence 34 closely is sticked in rotating disk 31 outsides, and the upper surface of protective fence 34 is higher than the upper surface of rotating disk 31.Like this,, can prevent effectively that operating personnel from filling in hand in the slit of 1 of rotating disk 31 and workbench accidentally, thereby when rotating disk 31 rotates, be twisted the accident of wound, the fail safe that has improved equipment owing to do not have the slit substantially between protective fence 34 and the rotating disk 31.
As shown in Figure 6, testing apparatus also comprises artificial mouth 42, pcb board 43, vibration-testing device 44 and can promote the following air cylinder 45 of pcb board 43 and vibration-testing device 44 simultaneously, wherein, also be provided with pad 432 on the pcb board 43, and this pcb board 43 is electrically connected with audio frequency analysis processor, and vibration-testing device 44 is electrically connected with vibration signal collector.Concrete, have bar hole 431 on the pcb board 43, be preferably half arc bar hole 431, below following air cylinder 45, also be fixed with a PCB fixed head 46, also have bar hole 431 on this PCB fixed head 46, pcb board 43 is connected this PCB fixed head 46 belows, and the upper end of aforementioned vibration-testing device 44 is installed between pcb board 43 and the PCB fixed head 46, pcb board 43 is stretched out in the lower end, to contact with mobile phone component to be tested.
Further, also comprise artificial mouth fixed mount 421, cylinder fixed mount 451 and connecting struts 47 in the aforementioned testing apparatus.Aforementioned artificial mouth 42 is fixed on 1 of the workbench by artificial mouth fixed mount 421, as shown in Figure 5, is provided with a bar hole 422 on artificial mouth fixed mount 421, and artificial mouth 42 can slide along bar hole 422, so that select best audio frequency transmitting site.Connecting struts 47 has four, aforementioned pcb board 43 promptly by these 4 connecting struts 47 and be bolted to PCB fixed head 46 under, and PCB fixed head 46 is fixed on down under the air cylinder 45 by bar hole 431.Following air cylinder 45 is installed on the cylinder fixed mount 451, also is provided with bar hole 452 (referring to Fig. 7) on this cylinder fixed mount 451, with the convenient position of air cylinder 45 down of regulating.Vibration-testing device 44 is installed in 46 of pcb board 43 and PCB fixed heads, because pcb board 43 all has identical bar hole 431 with PCB fixed head 46, so vibration-testing device 44 can be according to mobile phone component situation trim locations, to improve its scope of application.
Testing apparatus also comprises artificial mouth school accent device 48, school accent device fixed mount 481 and the school accent device position adjustment piece 482 that can contact artificial mouth 42, wherein, the artificial mouth school is transferred device 48 to be installed in the school and is transferred on the device position adjustment piece 482, and this school transfers device position adjustment piece 482 to be arranged on the school accent device fixed mount 481, specifically can be bolted to the school and transfer on the device fixed mount 481, can become flexible this bolt as required and adjust the position that device position adjustment piece 482 is transferred in the school by one.Artificial mouth 42 belongs to the precision measurement components and parts, for guaranteeing the accuracy of test data, needs to carry out primary calibration after every one week of work, and in the present embodiment, the school transfers device fixed mount 481 to be fixed on the workbench 1 by bar hole, and is positioned at the right side of air cylinder 45 down.By this Slide bar structure, it is the rotation that axle carries out 360 degree that the artificial mouth school transfers device 48 to transfer device fixed mount 481 with the school, and this makes the school modulation of artificial mouth 42 get easily.With reference to figure 7, specifically artificial mouth 42 is carried out the school timing, only need loose bolts, rotate the artificial mouth school and transfer device 48, after the artificial mouth school transfers the induction end of device 48 to aim at the audio frequency emission port of artificial mouth 42, again bolt is tightened.By instrument to artificial mouth 42 proofread and correct finish after, equally only need loose bolts, rotate the artificial mouth school and transfer 48 times original positions of device, tighting a bolt gets final product again.
Because in the present embodiment, artificial mouth fixed mount 421, cylinder fixed mount 451 and school transfer parts such as device fixed mount 481 all to use bar hole etc. can adjust structure in a large number.Thereby, make this equipment interoperability very strong, be not limited to the test of one, two mobile phone component.In actual production process, by changing tool, increase and decrease testing sensor etc. can be realized testing automatically for the audio frequency vibration of multiple mobile phone component.Can satisfy the requirement that production firm's fecund product are alternately produced fully.Saved the equipment investment of manufacturer greatly.
When testing, at first mobile phone component to be measured is put into that localization tool 311 of casing 21 outsides in sound insulation storehouse on the rotating disk 31, after operating personnel with the hands press two start-up control devices 11 simultaneously, motor 32 starts, and drive rotating disks 31 by adpting flange 33 and begin to rotate, drive cylinder 24 with timed unit and promote chamber doors 22 and move to highest point along door chute 26; After the mobile phone component to be measured on the rotating disk 31 changeed in the sound insulation storehouse casing 21, the chamber door 22 of sound insulation storehouse automatically-controlled door can be promoted drop to lowest part until closure along door chute 26 by cylinder 24.In rotating disk 31 forwards sound insulation storehouse casing 21 to during the nominative testing position, when the location sensing chip that promptly is installed in rotating disk 31 bottom surfaces is run into the position transducer that is installed on 1 of the workbench, control device will make rotating disk 31 stop operating.
Next, the following air cylinder 45 that is fixed on the cylinder fixed mount 451 begins to press down, and it is common mobile down by PCB fixed head 46 drive pcb boards 43 and vibration-testing device 44, pad 432 until pcb board 43 belows just in time contacts with the corresponding contacts of tested mobile phone component, and this moment, the audio components of mobile phone component also just in time is positioned at the audio signal transmitting boundary of artificial mouth 42, and vibration-testing device 44 also is positioned at the top of mobile phone component, and contacts with mobile phone component.Send the signal of telecommunication by the audio frequency analysis processor that is placed in the electrical control cubicles 12, these signals of telecommunication are transferred to the audio components of mobile phone component by pcb board 43, and artificial mouth 42 is then to the audio signal of the audio components emission rule of mobile phone component.The audio components of mobile phone component can produce some signals of telecommunication after receiving audio signal, these signals of telecommunication are transferred to audio frequency analysis processor analysis and decoding the electrical control cubicles 12 from pcb board 43 again; The vibration signal collector that is placed in the electrical control cubicles 12 is also sent the signal of telecommunication, and these signals of telecommunication are transferred to the vibrating motor of mobile phone component by pcb board 43, and vibrating motor can send vibration according to the signal of telecommunication that receives.The vibration-testing device 44 that contacts with the mobile phone surface can be converted into electrical signal collection to these vibrations, sends them to the vibration signals collecting instrument and handles.Audio frequency analysis processor and vibration signal collector can with analyze and decoded transfer of data to the data processor in the electrical control cubicles 12, compare by software, analyze and make judgement.Whether be qualified product, and each parameter of last result and this mobile phone component is shown by the processing result display on the door shaped stent 411 41 if measuring mobile phone component at last.
After test finished, both hands were pressed two start-up control devices 11 simultaneously, tested the mobile phone component that finishes and produced casing 21 with rotating disk 31, and the allocation tool 311 that mobile phone component to be tested is installed outside casing 21 changes casing 21 over to.Equally, test by abovementioned steps.And this moment, operating personnel can take out just produced casing 21 test the mobile phone component that finishes, confirm according to result displayed above the processing result display 41 whether product is qualified, mobile phone component is flowed into next procedure office or puts into defective district, and put into next mobile phone component to be measured.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the automatic test equipment of a mobile phone component, it is characterized in that: it comprises
Workbench;
The sound insulation chamber structure, this sound insulation chamber structure comprises casing and chamber door, this chamber door is movable up and down to be arranged on this casing;
Rotatable turntable structure, this turntable structure comprise drive unit, the rotating disk that is connected with this drive unit and allocation tool, and this allocation tool is arranged on the described rotating disk;
Testing apparatus, this testing apparatus comprises audio frequency analysis processor, vibration signal collector, data processor and processing result display, and described processing result display, audio frequency analysis processor and vibration signal collector are electrically connected with described data processor respectively;
Described sound insulation chamber structure and turntable structure all are arranged on the described workbench, and described casing is located on the described rotating disk, and described chamber door also is arranged at the top of this rotating disk, and described processing result display is fixed on the outside of described chamber door;
The workbench in the dead ahead of described chamber door is provided with a door shaped stent, and described processing result display is fixed on this door shaped stent, and described audio analysis processing instrument, vibration signal collector are placed in the electrical control cubicles, and described electrical control cubicles is below described workbench.
2. the automatic test equipment of mobile phone component according to claim 1 is characterized in that: the acoustical cotton that one deck can effectively absorb sound wave all has been installed on the inwall of described casing and chamber door.
3. the automatic test equipment of mobile phone component according to claim 1, it is characterized in that: described sound insulation chamber structure also comprises doorframe and can drive the cylinder that described chamber door moves up and down, wherein, doorframe is fixed on the casing, described chamber door is slidingly arranged in this doorframe, and described cylinder is fixed on the described doorframe.
4. the automatic test equipment of mobile phone component according to claim 1, it is characterized in that: described allocation tool is provided with two altogether, and these two allocation tools are separately positioned on the diametric(al) two ends of described rotating disk.
5. the automatic test equipment of mobile phone component according to claim 1 is characterized in that: also be provided with a circle protective fence on the described workbench, this protective fence closely is sticked in the rotating disk outside, and the upper surface of this fence is higher than the upper surface of described rotating disk.
6. the automatic test equipment of mobile phone component according to claim 1, it is characterized in that: described testing apparatus also comprises artificial mouth, pcb board, vibration-testing device and can promote the following air cylinder of pcb board and vibration-testing device simultaneously, wherein, also be provided with pad on the pcb board, and this pcb board and described audio frequency analysis processor are electrically connected, and vibration-testing device and described vibration signal collector are electrically connected; Described artificial mouth is fixed on the described workbench by the artificial mouth fixed mount.
7. the automatic test equipment of mobile phone component according to claim 6 is characterized in that: have bar hole on the described pcb board, this pcb board is fixed on the described below of air cylinder down by this bar hole.
8. the automatic test equipment of mobile phone component according to claim 7, it is characterized in that: the described below of air cylinder down also is fixed with a PCB fixed head, this PCB fixed head also has the bar hole identical with described pcb board, described pcb board is connected this PCB fixed head below, and the upper end of described vibration-testing device is installed between described pcb board and the PCB fixed head.
9. the automatic test equipment of mobile phone component according to claim 6, it is characterized in that: described testing apparatus also comprises artificial mouth school accent device, school accent device fixed mount and the school accent device position adjustment piece that can contact described artificial mouth, wherein, the artificial mouth school is transferred device to be installed in the school and is transferred on the device position adjustment piece, and this school is transferred device position to adjust the then rotating school that is arranged on of piece and transferred on the device fixed mount; This school transfers device to be fixed on the workbench by the bar hole fixed mount.
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| CN2007101244056A CN101431553B (en) | 2007-11-07 | 2007-11-07 | Automatic test equipment for mobile phone component |
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| CN2007101244056A CN101431553B (en) | 2007-11-07 | 2007-11-07 | Automatic test equipment for mobile phone component |
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| CN101431553B true CN101431553B (en) | 2011-12-14 |
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| CN101063641A (en) * | 2006-04-28 | 2007-10-31 | 孙盈军 | Method for testing digital products and special equipment thereof |
-
2007
- 2007-11-07 CN CN2007101244056A patent/CN101431553B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0691773A2 (en) * | 1994-07-06 | 1996-01-10 | Harris Corporation | Resealable module for supporting acoustic transducer and printed circuit components within receiver end of craftperson's test set |
| CN101063641A (en) * | 2006-04-28 | 2007-10-31 | 孙盈军 | Method for testing digital products and special equipment thereof |
| CN200962616Y (en) * | 2006-10-24 | 2007-10-17 | 比亚迪精密制造有限公司 | Multifunctional Flip Phone Performance Tester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9866980B2 (en) * | 2012-05-18 | 2018-01-09 | Kyocera Corporation | Measuring apparatus, measuring system and measuring method |
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| Publication number | Publication date |
|---|---|
| CN101431553A (en) | 2009-05-13 |
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