CN205750724U - A kind of wearable device and haptic feedback system thereof - Google Patents
A kind of wearable device and haptic feedback system thereof Download PDFInfo
- Publication number
- CN205750724U CN205750724U CN201620472884.5U CN201620472884U CN205750724U CN 205750724 U CN205750724 U CN 205750724U CN 201620472884 U CN201620472884 U CN 201620472884U CN 205750724 U CN205750724 U CN 205750724U
- Authority
- CN
- China
- Prior art keywords
- module
- wearable device
- feedback system
- communication module
- haptic feedback
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of wearable device and haptic feedback system thereof, haptic feedback system includes communication module, voltage pulse circuit module and two electrode modules, communication module connects voltage pulse circuit module, two electrode modules are connected with voltage pulse circuit module respectively, communication module is used for receiving signal and transmitting this signal to voltage pulse circuit module, voltage pulse circuit module for producing potential pulse and being conducted by two electrode modules, the outside being at least partially exposed through wearable device of two electrode modules when receiving this signal.The wearable device that the utility model proposes and haptic feedback system thereof, prompting function and electrocautery function can be realized, wherein user will not be allowed to miss prompting as prompting function, other people are not interfered with yet, and taking up room of this haptic feedback system is little, larger space reserved by battery for intelligence wearable device, improves its flying power.
Description
Technical field
This utility model relates to wearable smart machine field, particularly relates to a kind of wearable device and sense of touch feedback is
System.
Background technology
Intelligent consumption class mobile terminal electronic product popularity is more and more higher at present, particularly smart mobile phone, intelligence hands
The markets such as table are the most ripe, and the message feedback system of current this kind of mobile terminal product mainly has three kinds: the tinkle of bells, vibrations and LED
Light, wherein the tinkle of bells and vibrations are schemes the most traditional and ripe, and on market, big multi-mobile-terminal all possesses both patterns,
LED lamplight model comparision is rare, and this kind of pattern sight is in the majority, and practical value is low, because it intuitively can only be obtained instead by vision
Feedback, is not appropriate for using, such as public situation in a lot of occasions；The inherent shortcoming of the tinkle of bells is it is known that it is not suitable for needing to keep
Quietly public arena, such as library, classroom, meeting room etc.；Though vibration function can solve the noise problem of part the tinkle of bells, but shakes
Dynamic is the most not exclusively not have sound, itself is the eccentric shaking produced by the eccentric motor motor of high-speed rotation, still has one
Determine sound, as then shaken sound clearly when equipment contact desktop, and be placed in handbag or bag and be not easily heard, easily
Miss message, secondly as the DC eccentric electric motor of vibrations occurring source, this kind of eccentric motor motor the most on the market
Minimum dimension, also at about 8mm*3mm, takes up room obvious, owing to the absolute space size of mobile phone is the biggest, negatively
Effect is inconspicuous, but Intelligent worn device such as intelligent watch is then substantially reduced due to space layout, taking up room of eccentric motor
Just seeming bigger, causing laying of battery significantly to be limited, the flying power at Current electronic product own does not makes
In the case of people is satisfied, eccentric motor motor has tied up again the arrangement space of battery, so that the continuation of the journey of Intelligent worn device
Ability is restricted.
Utility model content
For solving above-mentioned technical problem, the utility model proposes a kind of wearable device and haptic feedback system thereof, permissible
Realize prompting function and electrocautery function, wherein user will not be allowed to miss prompting as prompting function, also not interfere with other people, and
And this haptic feedback system take up room little, for intelligence wearable device battery reserve larger space, improve its continuation of the journey energy
Power.
For solve above-mentioned technical problem, this utility model by the following technical solutions:
The utility model discloses the haptic feedback system of a kind of wearable device, including communication module, potential pulse electricity
Road module and two electrode modules, described communication module connects described voltage pulse circuit module, and two described electrode modules divide
Not being connected with described voltage pulse circuit module, described communication module is used for receiving signal and transmitting described signal to described voltage
Pulse circuit module, described voltage pulse circuit module for producing potential pulse and by two when receiving described signal
Described electrode module conducts, the outside being at least partially exposed through described wearable device of two described electrode modules.
Preferably, at least one in two described electrode modules is traveling electrode module.
Preferably, described voltage pulse circuit module is additionally operable to read the pulse current between two described electrode modules
Value, and described pulse current value is transferred to described communication module, described communication module is additionally operable to pass described pulse current value
It is defeated by described wearable device or external connected electronic equipment.
Preferably, described haptic feedback system also includes memory module, and described memory module connects described potential pulse electricity
Road module and described communication module, be used for storing described pulse current value and described pulse current value being transferred to described communication mould
Block.
Preferably, two described electrode modules are the concentric structure that radius does not waits or the circular ring structure being parallel to each other.
Preferably, described communication module is wire communication module or wireless communication module, and described wireless communication module is blue
One in tooth module, WIFI module, GPS module.
The invention also discloses a kind of wearable device, including power module and above-mentioned haptic feedback system, institute
State the power module described haptic feedback system of connection to power for described haptic feedback system.
Preferably, described wearable device includes software control module, described software control module and described communication module
Communication connects.
Preferably, described wearable device is bracelet, hand strap, wrist-watch or ring.
Compared with prior art, the beneficial effects of the utility model are: the wearable device that the utility model proposes and
Its haptic feedback system, acts on two electrode modules by pulse circuit module, and two electrode modules are at least partially exposed through
Outer respectively with human contact, it is possible to achieve prompting function and electrocautery function, wherein user will not be allowed to miss as prompting function
Remind, also do not interfere with other people, the prompting of public situation can be met, it is to avoid the noise of the tinkle of bells；And this haptic feedback system
Take up room little, for intelligence wearable device battery reserve larger space, improve its flying power.
In further scheme, at least an electrode module is removable electrode module, it is possible to achieve to health
Different parts carries out the function of electrocautery；It can in addition contain read the arteries and veins between two electrode modules by voltage pulse circuit module
Rush current value, and be transferred to wearable device or external connected electronic equipment by communication module, in combination with removable electrode mould
Block, can read the pulse current value of health different parts, such that it is able to by this wearable device and haptic feedback system thereof
Realize detection and the monitoring of acupuncture point health situation of human acupoint position, and data base based on acupuncture point health can be set up, for
The health status at family provides reference data.Preferred scheme, haptic feedback system also includes memory module, can store this number
According to, user can first store data in memory module, then is periodically the external connected electronic equipment that data is uploaded to, and nothing
Need to be connected with external connected electronic equipment in real time.
Accompanying drawing explanation
Fig. 1 is the module diagram of the haptic feedback system of the wearable device of this utility model embodiment one；
Fig. 2 is the module diagram of the haptic feedback system of the wearable device of this utility model embodiment two；
Fig. 3 is the structural representation of the intelligent watch of this utility model example one；
Fig. 4 is the structural representation of the intelligent hand strap of this utility model example two；
Fig. 5 is the structural representation of the Intelligent bracelet of this utility model example three.
Detailed description of the invention
Below against accompanying drawing and combine preferred embodiment the utility model is described in further detail.
As it is shown in figure 1, the module diagram of the haptic feedback system 1 of the wearable device of this utility model embodiment one,
Haptic feedback system 1 includes communication module 11,12, two electrode modules 13 and 14 of voltage pulse circuit module, communication module 11
Connecting voltage pulse circuit module 12, two electrode modules 13 and 14 are connected with voltage pulse circuit module 12 respectively, and communicate mould
Block 11 is for receiving the signal of software control module 21 and transmitting this signal to voltage pulse circuit module 12, voltage pulse circuit
Module 12 is used in when receiving signal and produces potential pulse and conducted by two electrode modules 13 and 14, two electrode modules 13
With 14 outsides being at least partially exposed through wearable device, in order to make two electrode modules 13 and 14 can connect with human body respectively
Touch and form loop so that potential pulse can act on human body.
Wherein software control module 21 can be wearable device or external connected electronic equipment, when software controls mould
Block 21 is wearable device, and communication module 11 can use wire communication module, is by wired with software control module 21
Connect；When software control module 21 is external connected electronic equipment, and communication module 11 need to use wireless communication module, with software control
Module 21 is by wireless connections, and wireless communication module is the one in bluetooth module, WIFI module, GPS module.
In certain embodiments, two electrode modules 13 and 14 can be fixed electrode module；In other embodiments
In, in two electrode modules 13 and 14, at least one is removable electrode module, and i.e. two electrode modules 13 and 14 can be equal
For traveling electrode module, it is also possible to one of them is fixed electrode module, another is traveling electrode module；And traveling electrode mould
Block can be connected with voltage pulse circuit module by electrode socket.
By the haptic feedback system 1 of wearable device as shown in Figure 1, it is possible to achieve passive sense of touch feedback and active are touched
Feel and feed back.Wherein passive sense of touch feedback is when wearable device or external connected electronic equipment receive phone or information, passes through software
Control module 21 be signaled to communication module 11 with control voltage pulse circuit module 12 produce correspondence potential pulse pass through
Two electrode modules 13 and 14 act on skin, make human body sensing arrive the message of correspondence, thus reach the function reminded, are
Passive sense of touch feedback.Active haptic feedback is to arrange artificial startup voltage pulse circuit module 12 by software control module 21,
The signal function of generation certain frequency and voltage, on human body skin, on the one hand can carry out electrocautery to human body, the most logical
Crossing formula I=U/R, the current data recorded in real time is fed back to voltage pulse circuit module 12 by two electrode modules 13 and 14,
By voltage pulse circuit module 12, current data is fed back to communication module 11 again, to feed back to wearable device or external electricity
The software control module 21 of subset, by software control module 21, user can know that two electrode modules 13 and 14 are surveyed in real time
The current data obtained；And based on the widely different (cave of resistance at human body different parts, especially human acupoint and other non-acupuncture points
At Wei, resistance is less than normal), one of them electrode module can be fixed on skin somewhere by two of which electrode module 13 and 14, another
Individual electrode module can move on other skins, and when electric current suddenly increases, the position at the electrode module place now moved is i.e.
For certain acupuncture point, such that it is able to that accurately finds out human body has more acupuncture point, it is possible to set up acupuncture point electric current at software control module 21
Data base, with the current data by acupuncture point, repetitive measurement somewhere, Statistics Division's acupuncture point normal current value size fluctuation range, when certain
Secondary measured data exceeds normal fluctuation range, then may illustrate that the health that at this, acupuncture point is corresponding occurs in that exception, can remind
User arrives hospital in time and ascertains the reason further, i.e. can set up data based on acupuncture point health by this haptic feedback system
Storehouse, the health status for user provides reference data.
It should be noted that two electrode modules 13 and 14 in the present embodiment are respectively positive pole and negative pole, need to connect simultaneously
Touch human body skin, but can not there be directly contact at the two poles of the earth, otherwise causes short circuit, the pulse electricity produced for voltage pulse circuit module 12
Pressure acts on the terminal medium of human body skin, and generally metal material, its shape need to adjust according to practical situation, connect with skin
Synapsis can be point-like, wire, planar even irregular shape.The signal of voltage pulse circuit module 12 module under software control 21
Ordering about one pulse voltage of generation, its frequency and intensity to be arranged by software control module 21, frequency can be as different messages
Association, as low frequency represent phone, high frequency represents note etc., voltage strength is adjustable is that the most different people is to voltage strength
Sensitivity is different and sets.Communication module 11 can be wire communication module and wireless communication module, such as software control module 21
Just on wearable device, then use wire communication module the most permissible, as software control module 21 is on extraneous electronic equipment, then
Wireless communication module need to be used, and wireless communication module can be any one in bluetooth, WIFI, GPS.Software control module 21
It is mounted to the APP software on wearable device or external connected electronic equipment, the strong of pulse voltage is set by this software visualization
Spend the implication corresponding with frequency, such as phone alerts or note prompting etc., algorithm also can be set by magnitude of voltage and skin resistance
Draw the electric current of correspondence, current values can be shown the most in real time.
Wherein wearable device can be bracelet, hand strap, wrist-watch or ring, when wearable device is intelligent watch, and can
To arrange software control module 21 in wearable device；External connected electronic equipment can be smart mobile phone, removable computer etc..
As in figure 2 it is shown, be the module signal of the haptic feedback system 1 of the wearable device of this utility model embodiment two
Figure, the present embodiment differs only in embodiment one, and haptic feedback system 1 also includes memory module 15, and memory module 15 is even
Connecing voltage film pulse circuit module 12 and communication module 11, memory module 15 can perform active haptics at haptic feedback system 1
The current data of voltage pulse circuit module 12 is stored during feedback, and when communication module 11 communicates to connect with external connected electronic equipment
This current data is transferred to communication module 11, so that current data is transferred to external connected electronic equipment by communication module 11, and nothing
All real-time transmission data when need to every time detect.
Wearable device of the present utility model and haptic feedback system thereof are carried out specifically by following combination instantiation
Bright.
Example one: intelligent watch
As it is shown on figure 3, first pair of positive and negative 31 and 32 designs on the bonnet 33 of intelligent watch 3, for ensureing a pair
The electrode energy moment maintains with wrist skin and contacts, and the shape of electrode 31 and 32 is designed as radius concentric structure not etc. (also
The electrode of the structure matching of correspondence can be designed according to the intelligent watch profile of different structure and bonnet), i.e. in 360 degree of scopes
All existing and contact skin probability, intelligent watch 3 is internal is additionally provided with power module (not shown), and power module may be used for
Power to the haptic feedback system in intelligent watch.
If intelligent watch itself does not possess call function, then it can be as the message prompting terminal of smart mobile phone 4, need to be
Set up radio communication by communication module (not shown) between intelligent watch 3 and smart mobile phone 4 to connect；First at smart mobile phone
The born pulse voltage setting everyone in the control software APP of 4 (has ratio owing to bearing the amplitude of voltage between different people
Bigger difference, therefore need to have this Voltage Cortrol that function is set), then frequency A is set represents call reminding, frequency B representative information
Remind, by that analogy, after setting completed, enter if any phone, then set up radio communication by communication module and connect, intelligent watch
Signal is passed to voltage pulse circuit module (not shown) by the communication module of 3, produces the potential pulse of respective frequencies A, logical
The electrode 31 and 32 crossing a pair contact skin makes people feel stimulation, thus knows incoming call or have information to come in.
If intelligent watch itself has call function, then it is not required to extra wireless communication module, only need to be by potential pulse
Circuit module is integrated on the mainboard of intelligent watch, controls software APP and also will be installed on the operating system of intelligent watch 3,
By controlling software, pulse is configured, reaches predetermined and remind effect.After using haptic feedback system of the present utility model,
If for the inner space saving intelligent watch 3, internal eccentric shaking motor can be cancelled, i.e. cancel vibration function, completely with
Electric pulse stimulation substitutes vibration reminding function, such that it is able to the battery module for intelligent watch 3 reserves larger space, improves it and continues
Boat ability.
Example two: intelligence hand strap
As shown in Figure 4, this intelligence hand strap 5 can connect as the prompting terminalization of smart mobile phone 6 message, power module 51
Haptic feedback system, power module 51 can use 3.7V button cell to reduce its volume to maximize；Haptic feedback system bag
Including bluetooth module 52, voltage pulse circuit module 53, anelectrode 54 and negative electrode 55, bluetooth module 52 connects voltage pulse circuit
Module 53, voltage pulse circuit module 53 connects anelectrode 54 and negative electrode 55, and wherein anelectrode 54 and negative electrode 55 are designed as
The circular ring structure being parallel to each other, anelectrode 54 and negative electrode 55 are made cyclic rings around hand strap, the reliability of increase contact skin.
First intelligence hand strap 5 need to carry out wireless connections with smart mobile phone 6, then sets in the control software APP of smart mobile phone 6
Put and can bear voltage and indicating mode (phone, note, wechat etc.) corresponding to pulse frequency, when smart mobile phone 6 has phone to enter
Fashionable, bluetooth module 52 receives signal and signal passes to voltage pulse circuit module 53 to produce potential pulse, voltage
Pulse is acted on human body skin by anelectrode 54 and negative electrode 55, thus reaches prompting function.
The material of intelligence hand strap can be multiple, plastic cement, metal or pottery, if wherein using metal material, it is right to need
Electrode is carried out and is prevented positive and negative electrode short circuit measure, if using plastic cement or ceramic material, then design flexibility is bigger.If by intelligence
Hand strap is designed as the plastic cement material of elasticity, and artificially arranges Push And Release in the control software APP of smart mobile phone, it is not necessary to phone
Or note excites, then can use as electrocautery hand strap, now intelligence hand strap is worn on other positions of wrist, arm or health
Put, after startup, by electrode pulse, the skin of contact position is carried out pulse electric shock stimulation, can reach to stimulate blood circulation, refresh oneself
Refreshment, effect loosened of releiving.
Example three: Intelligent bracelet
As it is shown in figure 5, the structure of Intelligent bracelet 7 is essentially identical with the structure of intelligence hand strap 5, it is only that in place of difference, intelligence
The pair of electrodes of energy bracelet 7 is divided into fixed electrode 71 and traveling electrode 72, and wherein traveling electrode 72 is by stretch conducting wire 73, electrode
Plug 74 is connected with electrode socket 75 docking.When without detecting acupuncture point, its function is exactly passive tactile feedback patterns, and electrode is inserted
Seat 75 can use as fixed electrode, plays feedback effect；And when there being acupuncture point detection demand, electrode plug 74 is inserted into electricity
In pole socket 75, first Intelligent bracelet is worn a certain position at health, try not mobile, more hand-held traveling electrode 72
Other positions of sliding contact skin, when showing that dynamic pulse current value increases suddenly in the control software APP of smart mobile phone 8
Time, illustrate that the position that current traveling electrode 72 contacts is the acupuncture point, somewhere of health.By this Intelligent bracelet 7 can periodic detection same
Current value at acupuncture point, sets up data base based on acupuncture point health, and the health status for user provides reference data.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to
Assert that of the present utility model being embodied as is confined to these explanations.For this utility model person of ordinary skill in the field
For, without departing from the concept of the premise utility, it is also possible to make some equivalents and substitute or obvious modification, and performance
Or purposes is identical, protection domain of the present utility model all should be considered as belonging to.
Claims (9)
1. the haptic feedback system of a wearable device, it is characterised in that include communication module, voltage pulse circuit module and
Two electrode modules, described communication module connects described voltage pulse circuit module, and two described electrode modules are respectively with described
Voltage pulse circuit module connects, and described communication module is used for receiving signal and transmitting described signal to described voltage pulse circuit
Module, described voltage pulse circuit module for producing potential pulse and by two described electrodes when receiving described signal
Module is conducted, the outside being at least partially exposed through described wearable device of two described electrode modules.
Haptic feedback system the most according to claim 1, it is characterised in that at least one in two described electrode modules
For removable electrode module.
Haptic feedback system the most according to claim 2, it is characterised in that described voltage pulse circuit module is additionally operable to read
Take the pulse current value between two described electrode modules, and described pulse current value is transferred to described communication module, described
Communication module is additionally operable to be transferred to described pulse current value described wearable device or external connected electronic equipment.
Haptic feedback system the most according to claim 3, it is characterised in that also include memory module, described memory module
Connect described voltage pulse circuit module and described communication module, be used for storing described pulse current value and by described pulse current
Value is transferred to described communication module.
Haptic feedback system the most according to claim 1, it is characterised in that two described electrode modules are radiuses
Concentric structure or the circular ring structure being parallel to each other.
6. according to the haptic feedback system described in any one of claim 1 to 5, it is characterised in that described communication module is wired
Communication module or wireless communication module, described wireless communication module is the one in bluetooth module, WIFI module, GPS module.
7. a wearable device, including power module, it is characterised in that also include touching described in any one of claim 1 to 6
Feel that feedback system, described power module connect described haptic feedback system and power for described haptic feedback system.
Wearable device the most according to claim 7, it is characterised in that described wearable device includes that software controls mould
Block, described software control module is connected with described communication module communication.
9. according to the wearable device described in claim 7 or 8, it is characterised in that described wearable device be bracelet, hand strap,
Wrist-watch or ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620472884.5U CN205750724U (en) | 2016-05-20 | 2016-05-20 | A kind of wearable device and haptic feedback system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620472884.5U CN205750724U (en) | 2016-05-20 | 2016-05-20 | A kind of wearable device and haptic feedback system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205750724U true CN205750724U (en) | 2016-11-30 |
Family
ID=57362605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620472884.5U Active CN205750724U (en) | 2016-05-20 | 2016-05-20 | A kind of wearable device and haptic feedback system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205750724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731277A (en) * | 2017-11-06 | 2018-02-23 | 广东乐心医疗电子股份有限公司 | Behavior monitoring method and device and wearable device |
-
2016
- 2016-05-20 CN CN201620472884.5U patent/CN205750724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731277A (en) * | 2017-11-06 | 2018-02-23 | 广东乐心医疗电子股份有限公司 | Behavior monitoring method and device and wearable device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105324759B (en) | System and method for data transmission | |
| CN204290930U (en) | A kind of wearable device with wearing state inducing function | |
| CN204331624U (en) | Intelligent worn device | |
| CN205493818U (en) | Wearable ECG detecting device | |
| CN204378001U (en) | A kind of sign language communication gloves | |
| KR20160024627A (en) | Electronic apparatus and method for monitoring sleep | |
| CN204598230U (en) | Intelligence neck ring | |
| CN106877528A (en) | Wireless power receiver and the method for controlling the wireless power receiver | |
| CN104837083A (en) | Multifunctional intelligent neck ring | |
| US10874823B2 (en) | Remotely controlled bilateral alternating tactile stimulation therapeutic method and system | |
| CN104423429B (en) | A kind of wearable mobile terminal | |
| CN205831197U (en) | A kind of intelligent shoe | |
| US11177693B1 (en) | Wearable loops with embedded circuitry | |
| CN110448779A (en) | A kind of method and device adjusting biological rhythm | |
| CN112773997B (en) | Intelligent sleep awakening method and intelligent wearable device | |
| CN105242778A (en) | Reminding apparatus and method for wearable device | |
| CN205750724U (en) | A kind of wearable device and haptic feedback system thereof | |
| CN204797839U (en) | Multi -functional intelligent waistband | |
| CN105490316A (en) | Electronic bracelet and charging method and system therefor | |
| CN106096220B (en) | A kind of acupoint information methods of exhibiting, relevant device and system | |
| CN105812983A (en) | Wireless sound box having health state prompting function | |
| KR20220015835A (en) | Electronic device for and method for evaluating sleep quality in the electronic device | |
| CN204708072U (en) | A kind of Intelligent waistband device with biological electricity imitated massaging function | |
| US20220079521A1 (en) | Wearable Tags | |
| CN207541757U (en) | Locating alarm device and locating alarming pendant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523843 Guangdong Province, Dongguan city Changan town Xiabian Yincheng Road No. 7 Co-patentee after: Guangdong wins smart group Limited by Share Ltd Patentee after: Dongguan Hua Jing powder metallurgy company limited Address before: 523843 Guangdong Province, Dongguan city Changan town Xiabian Yincheng Road No. 7 Co-patentee before: Dongguan Janus Precision Components Co., Ltd. Patentee before: Dongguan Hua Jing powder metallurgy company limited |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190806 Address after: 523843 No. 2 Weifeng Road, Niushan External Economic Industrial Park, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: Dongguan Hua Jing powder metallurgy company limited Address before: 523843 Guangdong Province, Dongguan city Changan town Xiabian Yincheng Road No. 7 Co-patentee before: Guangdong wins smart group Limited by Share Ltd Patentee before: Dongguan Hua Jing powder metallurgy company limited |