CN101840522A - IC card reading and writing device - Google Patents
IC card reading and writing device Download PDFInfo
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- CN101840522A CN101840522A CN 201010149054 CN201010149054A CN101840522A CN 101840522 A CN101840522 A CN 101840522A CN 201010149054 CN201010149054 CN 201010149054 CN 201010149054 A CN201010149054 A CN 201010149054A CN 101840522 A CN101840522 A CN 101840522A
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Abstract
The invention provides an IC card reading and writing device, and a contact thereof has friction with an IC card with controllable stroke. When the card enters the card reading and writing device, the surface of the card does not have friction with the contact of the card reading and writing device in the beginning; after the edge of the IC card exceeds the contact of the IC card reading and writing device in the plane direction of the card, the IC card and the contact of the IC card reading and writing device move along the entry direction of the card simultaneously; in the vertical direction of the plane of the IC card, the plane of the IC card and the plane of the contact of the card reading and writing device gradually get close, contact and extrude, and the contact deforms; and at this time, the IC card and the contact of the IC card reading and writing device do not produce relative displacement and do not have friction. When the contact of the IC card reading and writing device is in place, the contact stops moving, the IC card continues to enter and the card and the contact of the card reading and writing device produce relative motion so as to have sliding friction.
Description
Technical field
The present invention relates to a kind of IC-card read-write equipment.
Background technology
Now, along with the high speed development of infotech, the application of IC-card more and more widely also improves reliability, stability, the security requirement that blocks read-write equipment thereupon.General reader device, friction-type is adopted in its contact, and just IC-card rubs with the device contact in the entry and exit process, so its serviceable life is shorter, and this class card reader generally is applied in and requires in some fewer equipment of card reader plug card number of times.Some are applied to the card reader of specific environment, in order to improve its life-span, the general card read-write equipment contact of adopting does not produce the mode of relative friction with the IC-card contact, thereby improve the life-span of contact, reach the purpose that improves device lifetime, the shortcoming of this card reader is when the contact is subjected to contamination by dust or contact and is stained with dirt, causes the card read-write bad easily, the reliability of influence card read-write equipment.
Be applied to all kinds of card read-write equipments of outdoor occasion at present, influenced by ambient dust and produce the bad phenomenon of read-write.Such as: outdoor IC-card public telephone, IC-card fuel charger, IC-card ATM etc.These card read-write equipments are to prevent dust by the mode of sealing, prevent dust with the mode of sealing and can only delay dust and enter, passing in time, add on the subscriber card dirty, the contact that causes card easily contacts with the bad of read-write equipment contact, causes reading and writing the damage of mistake or read-write equipment and card.
Summary of the invention
Technical matters to be solved by this invention provides a kind of can either the friction to the contact of IC-card and IC-card read-write equipment to reach the effect of contact dedusting decontamination, and the while can prevent that again the contact excessive friction of IC-card and IC-card read-write equipment from causing the IC-card read-write equipment of damage.
The objective of the invention is to be achieved through the following technical solutions:
IC-card read-write equipment provided by the invention, its contact and IC-card sheet produce the friction of controlled stroke.When card enters in the card read-write equipment process, the card surface does not rub with card read-write equipment contact during beginning, when the IC-card edge is blocking on the in-plane above behind the IC-card read-write equipment contact, move along advancing the card direction simultaneously in the contact of IC-card and IC-card read-write equipment, and on the vertical direction of IC-card plane, the IC-card plane is close gradually with card read-write equipment contact plane, contact, extruding, contact distortion, and this moment, IC-card did not produce relative displacement with IC-card read-write equipment contact, just produced yet and rubbed.After IC-card read-write equipment contact puts in place, the contact stop motion, IC-card continues to enter, and this moment, card produced relative motion with card read-write equipment contact, thereby sliding friction takes place.
The stroke of the relative motion of the contact by changing IC-card and IC-card read-write equipment, can change friction level, reach the purpose of controlled stroke friction, if have dust, dirt just can they be come off on the contact of IC-card and IC-card read-write equipment by friction, make the contact contact good, guaranteed the reliability of card read-write.
The invention provides a kind of IC-card read-write equipment, comprising: pedestal, comprise the IC-card passage of feeder connection, the slide assemblies that can move along described IC-card passage, and, the contact assembly that flexibly connects with described slide assemblies;
Described slide assemblies comprises: be arranged on the slide plate on the described IC-card passage, be used for described slide plate tension is close to the slide plate tension part at described feeder connection place;
Described contact assembly comprises: contact, the contact connecting line that is electrically connected with described contact, and, contact axle in being arranged at the contact slideway of described pedestal, to limit described contact assembly along the action of described contact slideway, described contact slideway becomes certain gradient with described IC-card passage;
When IC-card inserts described IC-card passage by described feeder connection, to withstand described slide plate moves along described IC-card passage to drive described slide assemblies, described slide assemblies drives described contact assembly and moves with close described IC-card along described contact slideway, when described IC-card the time near its working position, described contact contacts with the contact part of described IC-card, and, rub mutually along with described IC-card arrives its working position.
Wherein, the working position of IC-card is meant that IC puts into the IC-card passage fully, the position in the time of can operate as normal.
Further, described slide plate tension part comprises: an end is fixed in described pedestal, and the other end is connected in the skateboard spring of described slide plate.
Preferably, described slide assemblies one end is fixed with a push rod, and the contact holder of described contact assembly is socketed on the described push rod, is with on described push rod and decides spring to withstand described contact holder.
Preferably, the contact holder of described contact assembly and described slide assemblies are connected with a contact spring.
The invention provides another kind of IC-card read-write equipment, comprising: pedestal, the IC-card passage that comprises feeder connection, the contact assembly of matrix, and, be arranged on the support bumping post of IC-card passage rear end; Described support bumping post has the slope that becomes certain slope with described IC-card passage, near its working position the time, will touch the contact of the contact assembly of described matrix, and along with described IC-card arrives its working position, rubs mutually along this slope when IC-card.
This technical scheme can be used with the technical scheme of first kind of IC-card read-write equipment, to arrive better technique effect.
The invention provides another kind of IC-card read-write equipment, comprising: pedestal, comprise the IC-card passage of feeder connection, the coaster assembly that can move along described IC-card passage, and, be fixedly installed on the contact of described pedestal;
When IC-card inserts described IC-card passage by described feeder connection, to drive described coaster assembly action and press to described IC-card, make described IC-card near described contact, when described IC-card the time near its working position, described contact contacts with the contact of described IC-card, and along with described IC-card arrives its working position, described contact and IC-card rub mutually.
Further, described coaster assembly and described pedestal are interconnected in the coaster extension spring.
Further, described coaster assembly be limited to the corresponding slideway of described IC-card passage in move.
Compared with prior art the invention has the advantages that, can either rub to reach the effect of contact dedusting decontamination, can prevent that again the contact excessive friction of IC-card and IC-card read-write equipment from causing damage simultaneously to the contact of IC-card and IC-card read-write equipment.
Description of drawings
Fig. 1 is the general assembly drawing of an embodiment of the present invention;
Fig. 2 is the fragmentary cross-sectional view of an embodiment of the present invention;
Fig. 3 is the contact assembly wiring layout of an embodiment of the present invention;
Fig. 4 is the part assembly drawing of the another kind of embodiment of the present invention;
Fig. 5 is the general assembly drawing of the another kind of embodiment of the present invention;
Fig. 6 is the part assembly drawing of the another kind of embodiment of the present invention
Fig. 7 is before the contact assembly of the another kind of embodiment of the present invention slides and the IC-card location state diagram;
Fig. 8 is after the contact assembly of the another kind of embodiment of the present invention puts in place and the IC-card location state diagram;
Fig. 9 is before the coaster assembly of the another kind of embodiment of the present invention slides and the IC-card location state diagram;
Figure 10 is after the coaster assembly of the another kind of embodiment of the present invention puts in place and the IC-card location state diagram
Figure 11 is the fragmentary cross-sectional view of the another kind of embodiment of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing and preferred embodiment.
First kind of enforcement:
Referring to Fig. 1, wherein, pedestal 1 is the housing of a plastic material moulding, divides inside and outside two cavitys, and inner chamber is provided with the IC-card passage that IC-card sheet 6 enters; Exocoel is installed contact assembly 2 and slide assemblies 3.Postmedian design in card reader pedestal 1 exocoel has contact slideway 12.
Wherein, described contact assembly 2 comprises: contact 23, the contact connecting line 24 that is electrically connected with described contact 23, and, contact axle 22 in being arranged at the contact slideway 12 of described pedestal 1, to limit described contact assembly 2 along 12 actions of described contact slideway, described contact slideway 12 becomes certain gradient with described IC-card passage.
Fig. 2 is a sectional view embodiment illustrated in fig. 1, and wherein, contact slideway 12 is slideways of contact assembly 2, and its shape has certain slope, and contact assembly 2 is assemblied in wherein.
Before and after contact axle 22 can be on slideway, slide, then fall contact 23, slide backward then contact 23 and raise to front slide.Slide by the front and back of contact assembly 2 like this, the IC-card 6 in making it and being in inner chamber contacts with contact 23 or separates.When sliding forward the contact gradually in deck cavity direction fall, at last contact with card, so just can carry out read-write operation, when contact assembly 2 is run into bumping post 13 on the pedestal 1, stop slip, represent that contact assembly 2 puts in place; When sliding backward contact 23 gradually outside deck cavity direction raise, break away from IC-card 6 at last.Slide assemblies 3 is followed IC-card 6 and is slided front and back together.
Referring to Fig. 3, contact assembly 2 comprises: contact holder 21, contact axle 22, metal contact 23, contact connecting line 24, contact spring 25, and patchcord circuit board 26.Contact holder 21 is used for fixing contact 23, contact axle 22 and patchcord circuit board 26, and an oval-shaped via hole 212 is arranged on the support.Please in conjunction with shown in Figure 4, the top spring 33 on the slide assemblies 3 promotes contact assembly 2 motions by 212, plays position-limiting action simultaneously; Contact axle 22 slides on slideway; Contact connecting line 24 is connected to electric signal on the circuit interface of card read-write equipment; Contact spring 25 provides pulling force when moving back card.
Referring to shown in Figure 4, be the slide assemblies of repulsive-type maglev.Slide assemblies 3 comprises: slide plate 31, push rod 32, top spring 33, and, skateboard spring 34.
Slide plate 31 is followed IC-card 6 and is slided together, is fixed on skateboard spring 34 tensions between pedestal 1 and the slide plate 31, and top spring 33 withstands on contact holder 212 places, promotes contact assembly 2 and slides.After contact assembly 2 puts in place, contact assembly 2 stop motions, slide plate 31 is followed card and is continued motion.This moment, contact holder 212 places compression top spring 33, and slide plate 31 has produced relative motion with the contact of contact assembly 2 like this, because slide plate 31 is followed IC-card 6 and slided together, so the contact of IC-card 6 and contact assembly 2 produces relative motion, rubs thereby produce again.
By distance between change push rod 321 places and the via hole 212, and adjust top spring 33 pressure, can change the stroke of relative motion, can change friction level, reach the purpose of the friction that realizes controlled stroke.
In conjunction with Fig. 1, when IC-card 6 inserted, slide assemblies 3 was followed IC-card 6 and is slided together, and the establishment 3 of sliding promotes contact assembly 2 simultaneously and slides on the contact slideway 12 on the pedestal 1, and the while is cavity direction whereabouts in deck gradually.One segment distance of setting in motion, IC-card 6 does not rub with contact 23, and when IC-card 6 got in position, IC-card 6 contacted gradually with contact 23.
After gear post 13 places that contact assembly 2 supports are run into pedestal 1 put in place, stop to slide.Be mounted on base simultaneously and do seat 1 upper slide spring 34 and contact spring 25 tensions.IC-card 6 continues to enter, and rubs with contact assembly 2 like this, if having dust, dirt just can they be come off by friction on the contact 23, makes the contact contact good.The contact 23 of last contact assembly 2 just contacts with the contact of IC-card 6 can carry out reliable read-write operation.
When moving back card, the user dials card or the card of moving certainly, and IC-card 6 outwards moves, contact assembly 2 is subjected to the elastic force effect of top spring 33, temporarily motionless, IC-card 6 produces friction with the contact 23 of contact assembly 2 like this, if having dust, dirt also can make it drag by friction on the contact 23 like this.After motion was a bit of, the elastic force of top spring 33 had discharged, and contact assembly 2 begins to slide backward under the effect of contact spring 25, and contact 23 breaks away from IC-card 6 gradually simultaneously, made IC-card 6 and contact assembly 2 not produce too much friction, improved the life-span of reader device contact.
Referring to Fig. 6.Be the pulling type slide assemblies.Slide assemblies 4 comprises: slide plate 41, pull bar 42 and skateboard spring 44 etc. form interlinked mechanism.
Its course of work is please referring to Fig. 5, and when IC-card 6 inserted, slide assemblies 4 was followed IC-card 6 and slided together, and pull bar 42 slides on the slideway on the card reader pedestal 1 by contact spring 25 traction contact assemblies 2, and the while is cavity direction whereabouts in deck gradually.In a segment distance of setting in motion, IC-card 6 does not come in contact with contact 23, and when IC-card 6 gets in position, as soon near its working position the time, IC-card 6 contacts gradually with the contact 23 of contact assembly 2.After contact assembly 2 puts in place, stop to slide, and IC-card 6 continues to enter, contact spring 25 on the contact assembly 2 is elongated at this moment, card and contact assembly 2 rub like this, if having dust, dirt just can they be come off by friction on the contact like this, make the contact contact good.At last, the contact 23 of contact assembly 2 contacts with the contact of IC-card 6, so just can carry out reliable read-write operation.
When moving back card, when the user dialled card or moves card certainly, IC-card 6 outwards moved, and under the effect of skateboard spring 44 pulling force, slide assemblies 4 is followed card outwards motion together, and contact assembly 2 is temporarily motionless, and IC-card 6 produces friction with the contact 23 of contact assembly 2 like this.After motion is a bit of, pull bar 42 is run into contact holder 21 bumping posts, 211 places (as Fig. 3), drags contact assembly 2 and outwards slides backward together, and contact 23 breaks away from IC-card 6 gradually simultaneously, make IC-card 6 and contact assembly 2 not produce too much friction, improve the life-span of reader device contact.
Second kind of embodiment:
As shown in Figure 7, the contact holder rear end of the contact assembly 5 of matrix erects a matrix bumping post, and bumping post edge 502,503 forms a slope, contacts with the front edge of IC-card 6.
In advancing the card process, IC-card 6 edges are moved to bumping post edge 502 by bumping post edge 503, have realized that card and card device contact produce relative motion, thereby have produced sliding friction.
By changing the gradient and the distance between 502,503, can change the stroke of relative motion, can change friction level, reach the purpose of the friction that realizes controlled stroke.
State when the state when Fig. 7 promotes contact assembly 5 setting in motions for card, Fig. 8 enter 5 stop motions of back contact assembly for card.
The technical scheme of second kind of embodiment can be in conjunction with first kind technical scheme, to produce better effect.
With reference to figure 7, when IC-card 6 inserted, the bumping post 503 that IC-card 6 promotes the contact assembly 5 of matrix slided together clearly, and contact assembly 5 falls to the interior cavity direction of deck 1 gradually simultaneously.
In a segment distance of setting in motion, IC-card 6 does not rub with contact assembly 5.Further referring to Fig. 8, IC-card 6 moves forward, the contact assembly 5 of matrix further falls, IC-card 6 contacts gradually with the contact assembly 5 of matrix, the front edge 603 of IC-card 6 moves from 503 to 502 places with the contact site of the support bumping post of the contact assembly 5 of matrix simultaneously, IC-card 6 is subjected to displacement with the relative position of contact assembly 5, IC-card 6 rubs with contact assembly 5 like this, if have dust, dirt just can they be come off on the contact by friction, make the contact contact good, the card read-write is reliable.
Wherein, described support bumping post will be realized this function, can satisfy the rear end that is arranged on the IC-card passage and get final product.
The third embodiment:
As figure method 11, contact assembly 7 is fixed on 91 places, pedestal 9 positions, slide in coaster assembly 8 front and back on the slideway 92 of pedestal 9, fall to front slide tackle block part, sliding backward the coaster assembly raises, can slide by front and back like this, make card and install the contact contact or separate, finish the IC-card read-write operation.
After the IC-card sheet inserts, promote coaster assembly 8 and move forward, it is close to the contact of IC-card read-write equipment that the coaster assembly presses down the IC-card sheet simultaneously, up to contact.
State when the state when entering setting in motion as Fig. 9 for IC-card, Figure 10 enter into the working position fully for IC-card.
After IC-card 6 inserts, promote coaster assembly 8 and move forward, coaster assembly 8 presses down the IC-card sheet to 711 close, the contacts of the contact of IC-card read-write equipment simultaneously.Because contact 711 is fixing, and card moves, so card and the 711 generation relative motions of card device contact, produces friction from youngster.After the coaster assembly puts in place, can finish the read-write card operation.
When moving back card group card or moving card certainly, IC-card 6 outwards moves, coaster assembly 8 is under the effect of coaster extension spring 81, follow IC-card 6 and slide backward, IC-card 6 rubs with contact 711, continues motion backward with IC-card 6, coaster assembly 8 is raised gradually, IC-card 6 disengaging contact 711 gradually makes contact 711 and IC-card 6 not produce too much friction, improves the life-span of contact.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (8)
1. an IC-card read-write equipment is characterized in that, comprising: pedestal (1), comprise the IC-card passage of feeder connection, the slide assemblies (3) that can move along described IC-card passage, and, the contact assembly (2) that flexibly connects with described slide assemblies (3);
Described slide assemblies (3) comprising: be arranged on the slide plate (31) on the described IC-card passage, be used for described slide plate (31) tension is close to the slide plate tension part at described feeder connection place;
Described contact assembly (2) comprising: contact (23), the contact connecting line (24) that is electrically connected with described contact (23), and, contact axle (22) in being arranged at the contact slideway (12) of described pedestal (1), to limit described contact assembly (2) along described contact slideway (12) action, described contact slideway (12) becomes certain gradient with described IC-card passage;
When IC-card (6) inserts described IC-card passage by described feeder connection, to withstand described slide plate (31) moves along described IC-card passage to drive described slide assemblies (3), described slide assemblies (3) drives described contact assembly (2) and moves with close described IC-card (6) along described contact slideway (12), when described IC-card (6) time near its working position, described contact (23) contacts with the contact part of described IC-card (6), and, rub mutually along with described IC-card (6) arrives its working position.
2. IC-card read-write equipment as claimed in claim 1 is characterized in that, described slide plate tension part comprises: an end is fixed in described pedestal (1), and the other end is connected in the skateboard spring (34) of described slide plate (31).
3. IC-card read-write equipment as claimed in claim 1 or 2, it is characterized in that, described slide assemblies (3) one ends are fixed with a push rod (32), the contact holder (212) of described contact assembly (2) is socketed on the described push rod (32), is with to decide spring (33) to withstand described contact holder (212) on described push rod (32).
4. IC-card read-write equipment as claimed in claim 1 or 2 is characterized in that, the contact holder (212) and the described slide assemblies (3) of described contact assembly (2) are connected with a contact spring (25).
5. an IC-card read-write equipment is characterized in that, comprising: the contact assembly (5) of pedestal (1), the IC-card passage that comprises feeder connection, matrix, and, be arranged on the support bumping post of IC-card passage rear end; Described support bumping post has the slope that becomes certain slope with described IC-card passage, when IC-card (6) along this slope the time near its working position, to touch the contact of the contact assembly (5) of described matrix, and, rub mutually along with described IC-card (6) arrives its working position.
6. an IC-card read-write equipment is characterized in that, comprising: pedestal (9), comprise the IC-card passage of feeder connection, the coaster assembly (8) that can move along described IC-card passage, and, be fixedly installed on the contact (711) of described pedestal (1);
When IC-card (6) inserts described IC-card passage by described feeder connection, to drive described coaster assembly action and press to described IC-card (6), make described IC-card (6) near described contact (711), when described IC-card (6) time near its working position, described contact (711) contacts with the contact of described IC-card (6), and along with described IC-card (6) arrives its working position, described contact (711) and IC-card (6) rub mutually.
7. IC-card read-write equipment as claimed in claim 6 is characterized in that, described coaster assembly (8) and described pedestal (9) are interconnected in coaster extension spring (81).
8. as claim 6 or 7 described IC-card read-write equipments, it is characterized in that described coaster assembly (8) is limited to and the middle motion of the corresponding slideway of described IC-card passage (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101490546A CN101840522B (en) | 2010-04-06 | 2010-04-06 | IC card reading and writing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101490546A CN101840522B (en) | 2010-04-06 | 2010-04-06 | IC card reading and writing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101840522A true CN101840522A (en) | 2010-09-22 |
| CN101840522B CN101840522B (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101490546A Active CN101840522B (en) | 2010-04-06 | 2010-04-06 | IC card reading and writing device |
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| Country | Link |
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| CN (1) | CN101840522B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778446A (en) * | 2014-01-23 | 2014-05-07 | 深圳怡化电脑股份有限公司 | Box-packed U-key issuing device and control method |
| CN104992203A (en) * | 2015-07-30 | 2015-10-21 | 深圳市铭特科技有限公司 | IC card reading-writing apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842565Y (en) * | 2005-10-27 | 2006-11-29 | 杭州东信灵通电子实业公司 | Multifunction IC card read-write apparatus |
| CN1959748A (en) * | 2006-01-17 | 2007-05-09 | 扬州恒信仪表有限公司 | Hot water gauge of intellective IC card |
| CN201628977U (en) * | 2010-04-06 | 2010-11-10 | 深圳市铭特科技有限公司 | IC card read/write device |
-
2010
- 2010-04-06 CN CN2010101490546A patent/CN101840522B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842565Y (en) * | 2005-10-27 | 2006-11-29 | 杭州东信灵通电子实业公司 | Multifunction IC card read-write apparatus |
| CN1959748A (en) * | 2006-01-17 | 2007-05-09 | 扬州恒信仪表有限公司 | Hot water gauge of intellective IC card |
| CN201628977U (en) * | 2010-04-06 | 2010-11-10 | 深圳市铭特科技有限公司 | IC card read/write device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778446A (en) * | 2014-01-23 | 2014-05-07 | 深圳怡化电脑股份有限公司 | Box-packed U-key issuing device and control method |
| CN103778446B (en) * | 2014-01-23 | 2017-02-08 | 深圳怡化电脑股份有限公司 | Box-packed U-key issuing device and control method |
| CN104992203A (en) * | 2015-07-30 | 2015-10-21 | 深圳市铭特科技有限公司 | IC card reading-writing apparatus |
| CN104992203B (en) * | 2015-07-30 | 2018-01-30 | 深圳市铭特科技有限公司 | A kind of IC-card read-write equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101840522B (en) | 2012-05-30 |
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Address after: 518057, Nanshan District, Guangdong hi tech Industrial Park, North District, Shenzhen Aerospace micro motor building, 4 floor (South) Patentee after: SHENZHEN MINGTE TECH CO., LTD. Address before: 518057, Nanshan District, Guangdong hi tech Industrial Park, North District, Shenzhen Aerospace micro motor building, 4 floor (South) Patentee before: Shenzhen Mingte Technology Co., Ltd. |
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Address after: 518057, Nanshan District, Guangdong hi tech Industrial Park, North District, Shenzhen Aerospace micro motor building, 4 floor (South) Patentee after: Shenzhen Mingte Technology Co., Ltd. Address before: 518057, Nanshan District, Guangdong hi tech Industrial Park, North District, Shenzhen Aerospace micro motor building, 4 floor (South) Patentee before: SHENZHEN MINGTE TECH CO., LTD. |
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