CN204168012U - Radio source transmitting device - Google Patents
Radio source transmitting device Download PDFInfo
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- CN204168012U CN204168012U CN201420477845.5U CN201420477845U CN204168012U CN 204168012 U CN204168012 U CN 204168012U CN 201420477845 U CN201420477845 U CN 201420477845U CN 204168012 U CN204168012 U CN 204168012U
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Abstract
The utility model discloses a kind of radio source transmitting device, comprises main coils, the first balance coil, the second balance coil, control circuit and power supply circuits.Main coils is in order to transmit power supply signal.Whether the first balance coil has external metallization object, to produce the first sensing signal in order to sensing.Whether the second balance coil is positioned at the blind area of the first balance coil in order to sense external metallization object, to produce the second sensing signal.Control circuit couples the first balance coil and the second balance coil, in order to receive the first sensing signal and/or the second sensing signal, to produce control signal.Control circuit includes balancing circuitry, in order to adjust aforementioned sensing signal.Power supply circuits couple control circuit and main coils, in order to be controlled by control signal, to produce power supply signal.
Description
Technical field
The utility model has about a kind of radio source transmission technology, particularly a kind ofly senses external metallization object exactly and the corresponding radio source transmitting device providing power supply signal.
Background technology
Present most portable electronic devices, mostly utilizes wireless induction coupling charger to charge.Aforementioned wireless induction coupling charger not only can provide battery charging function, also can as power supply unit.Aforementioned wireless induction coupling charger has main coils, and this main coils is coupled to charge with the secondary coil in an electronic equipment by the mode of induction.Further, aforementioned power source transmits between main coils and secondary coil wirelessly.
Further, in order to avoid power wastage, existing wireless induction coupling charger may be furnished with the whether close sensing element of sensing exterior object, the result that charger is sensed according to sensing element and provide charging signals.Therefore, in the power delivery system of wireless induction coupling, the method for existing many difference sensing exterior objects.These methods include and change via the electric current on the change of the power frequency on sensing main coils, sensing main coils and the imbalance of voltage and measure the power supply etc. drawn from main coils, sense exterior object.But, the aforementioned method in order to detect exterior object is comparatively complicated and be difficult to realize in its architecture design.Therefore, the space that is still improved of wireless charging system.
Summary of the invention
In view of this, the utility model provides a kind of radio source transmitting device, use and sense external metallization object exactly, and correspondence provides power supply signal, to increase in the convenience of use and architecture design comparatively simply and easily to realize.
The utility model provides a kind of radio source transmitting device, comprises main coils, the first balance coil, the second balance coil, control circuit and power supply circuits.Main coils is in order to transmit power supply signal.Whether the first balance coil has external metallization object, to produce the first sensing signal in order to sensing.Whether the second balance coil is positioned at the blind area of the first balance coil in order to sense external metallization object, to produce the second sensing signal.Control circuit couples the first balance coil and the second balance coil, in order to receive the first sensing signal and/or the second sensing signal, to produce control signal.Control circuit includes balancing circuitry, in order to adjust aforementioned sensing signal, not have to sense less than thing during external metallization object near main coils.Power supply circuits couple control circuit and main coils, in order to reception control signal, to produce power supply signal.
In one embodiment, aforementioned first balance coil is figure 8 coil.
In one embodiment, aforementioned second balance coil is figure 8 coil.
In one embodiment, aforementioned second balance coil is positioned at the blind area of the first balance coil.
In one embodiment, aforementioned control circuit comprises zero balancing adjustment micro actuator, two diodes, two electric capacity and operational amplifier.Zero balancing adjustment micro actuator couples the first balance coil and the second balance coil, in order to receive and to adjust the first sensing signal and the second sensing signal.Two diodes couple zero balancing adjustment micro actuator, in order to carry out rectification to the first sensing signal and the second sensing signal.Two electric capacity couple two diodes, in order to keep the first sensing signal and the second sensing signal.Operational amplifier couples zero balancing adjustment micro actuator, in order to detect the first sensing signal and the second sensing signal, and produces control signal.
The utility model separately provides a kind of radio source transmitting device, comprises main coils, multiple balance coil, control circuit and power supply circuits.Main coils is in order to transmit power supply signal.Whether balance coil has external metallization object in order to sense respectively, to produce sensing signal.Control circuit couples balance coil, in order to receive sensing signal, to produce control signal.Control circuit includes balancing circuitry, in order to adjust aforementioned sensing signal, not have to sense less than thing during external metallization object near main coils.Power supply circuits couple control circuit and main coils, in order to reception control signal, to produce power supply signal.
In one embodiment, aforementioned first balance coil is figure 8 coil.
In one embodiment, aforementioned control circuit comprises zero balancing adjustment micro actuator, two diodes, two electric capacity and operational amplifier.Zero balancing adjustment micro actuator couples the first balance coil and the second balance coil, in order to receive and to adjust the first sensing signal and the second sensing signal.Two diodes couple zero balancing adjustment micro actuator, in order to carry out rectification to the first sensing signal and the second sensing signal.Two electric capacity couple two diodes, in order to keep the first sensing signal and the second sensing signal.Operational amplifier couples zero balancing adjustment micro actuator, in order to detect the first sensing signal and the second sensing signal, and produces control signal.
The radio source transmitting device that the present embodiment provides, external metallization object and/or the second balance coil sensing external metallization object whether is had whether to be positioned at the blind area of the first balance coil by the first balance coil sensing, sense whether there is external metallization object by the first balance coil and the second balance coil again, and by the result of control circuit according to aforementioned sensing, controlling power supply circuits provides power supply signal to transmit to main coils.Or whether the multiple balance coil sensings by configuration have external metallization object, and by the result of control circuit according to aforementioned sensing, controlling power supply circuits provides power supply signal to transmit to main coils.Thus, external metallization object can be sensed exactly, and correspondence provides power supply signal, to increase in the convenience of use and architecture design comparatively simply and easily to realize.
The above explanation about the utility model content and the explanation of following execution mode in order to demonstration and explanation spirit of the present utility model and principle, and provide claim of the present utility model further to explain.
Accompanying drawing explanation
The schematic diagram of the radio source transmitting device of Fig. 1 disclosed by the utility model embodiment.
Another schematic diagram of the radio source transmitting device of Fig. 2 disclosed by embodiment of the present utility model.
The circuit diagram of the control circuit of Fig. 3 disclosed by the embodiment of Fig. 1.
[symbol description]
100,200 radio source transmitting devices
110,210 main coils
120 first balance coils
130 second balance coils
132 blind areas
140,230 control circuits
150,240 power supply circuits
220_1,220_2,220_3,220_4 balance coil
180,280 external metallization objects
302 bridge rectifiers
304 amplifiers
303 electric capacity
301 voltage stabilizing didoes
R resistance
Embodiment
Below detailed features of the present utility model and advantage is described in embodiments in detail, its content is enough to make any those skilled in the art understand technology contents of the present utility model and implement according to this, and content disclosed by this specification, claims and graphic, any those skilled in the art can understand the relevant object of the utility model and advantage easily.Following embodiment further describes viewpoint of the present utility model, but non-to limit category of the present utility model anyways.
As employed some vocabulary to censure particular element in the middle of specification and claims.Those skilled in the art should understand, and hardware manufacturer may call same element with different noun.This specification and claims book is not used as the mode of distinguish one element from another with the difference of title, but is used as the criterion of differentiation with element difference functionally." comprising " as mentioned in the middle of specification and claims is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition, " couple " word and comprise directly any and indirectly electric property coupling means at this.Therefore, if describe a first device in literary composition to be coupled to one second device, then represent described first device and directly can be electrically coupled to described second device, or be indirectly electrically coupled to described second device by other devices or the means that couple.Specification subsequent descriptions is implement the better embodiment of the application, and right described description is for the purpose of the rule that the application is described, and is not used to the scope limiting the application.The protection range of the application is when being as the criterion depending on the appended claims person of defining.
Also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, commodity or system and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, commodity or system.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, commodity or the system comprising described key element and also there is other identical element.
The schematic diagram of the radio source transmitting device of Fig. 1 disclosed by embodiment of the present utility model.Radio source transmitting device 100 comprises main coils 110, first balance coil 120, second balance coil 130, control circuit 140 and power supply circuits 150.Main coils 110 is in order to transmit power supply signal.That is, power supply signal can be sent to exterior object by radio source transmitting device 100.Exterior object can receive radio source, electromagnetic field, and exterior object produces vortex flow (eddy current).Vortex flow generates an electromagnetic field.The electric current on balance coil is produced by the electromagnetic field produced.
Whether the first balance coil 120 has external metallization object 180, to produce the first sensing signal in order to sensing.In the present embodiment, external metallization object 180 such as having the secondary coil producing inductance coupling high effect with main coils 110, to receive the power supply signal that main coils 110 transmits.And external metallization object 180 is such as the electronic installations such as mobile phone, panel computer or personal digital assistant (Personal DigitalAssistant, PDA).
In addition, the first balance coil 120 is such as figure 8 coil.Although first balance coil 120 of Fig. 1 only shows the aspect that two circular patterns carry out presentation graphic 8, in fact, the first balance coil 120 is the coils surrounding figure 8 with the metal wire of tool conductive characteristic.Wherein, the metal wire of aforementioned tool conductive characteristic is such as enamelled wire etc.Further, the first balance coil 120 such as senses whether there is external metallization object 180 in the mode of inductance coupling high, that is whether sensing has external metallization object 180 close to radio source transmitting device 100.
For example, when external metallization object 180 is close to the first balance coil 120, such as be configured with the external metallization object 180 (figure does not illustrate) of secondary coil, first balance coil 120 produces inductance coupling high effect with external metallization object 180, then the first balance coil 120 produces the first sensing signal that instruction external metallization object 180 exists.
Whether the second balance coil 130 is positioned at the blind area 132 of the first balance coil 120 in order to sense external metallization object 180, to produce the second sensing signal.Wherein, blind area 132 is defined as the first balance coil 120 and senses the more weak region of external metallization object 180.That is, when external metallization object 180 is close to blind area 132, the first balance coil 120 may sense the existence less than external metallization object 180.Furthermore, the second balance coil 130 is such as positioned on the blind area 132 of the first balance coil 120, to increase the accuracy of the existence of sensing external metallization object 180.
In the present embodiment, the second balance coil 130 is also such as figure 8 coil.Although second balance coil 130 of Fig. 1 is also only show the aspect that two circular patterns carry out presentation graphic 8, in fact, the second balance coil 130 is the coils surrounding figure 8 with the metal wire of tool conductive characteristic.Wherein, the metal wire of aforementioned tool conductive characteristic is such as enamelled wire etc.Further, the second balance coil 130 such as senses whether there is external metallization object 180 in the mode of inductance coupling high, that is whether sensing has external metallization object 180 close to radio source transmitting device 100.
For example, when external metallization object 180 is close to second balance coil 130 (that is blind area 132 of the first balance coil 120), such as be configured with the external metallization object 180 (figure does not illustrate) of secondary coil, second balance coil 130 produces inductance coupling high effect with external metallization object 180, then the second balance coil 130 produces the second sensing signal that instruction external metallization object 180 exists.
Control circuit 140 couples the first balance coil 120 and the second balance coil 130.Sensing exterior object is that the magnetic flux (flux) produced at main coils 110 uses.The magnetic flux that control signal is produced by vortex flow by exterior object produces.Control circuit 140 in order to receive the first sensing signal and/or the second sensing signal, to produce control signal.Furthermore, control circuit 140 in order to by the first sensing signal received and/or the second sensing signal, can judge the existence whether having external metallization object 180.
For example, when the first sensing signal is high-voltage level, control circuit 140 can judge the existence of external metallization object, then control circuit 140 produces the control signal of such as high-voltage level.When the first sensing signal is low voltage level, control circuit 140 can judge the existence of external metallization object, then control circuit 140 produces the control signal of such as low voltage level.Maintain low voltage level, " zero balancing " adjustment produces in advance before device operation.
In addition, when the second sensing signal is high-voltage level, control circuit 140 can judge the existence of external metallization object, then control circuit 140 produces the control signal of such as high-voltage level.When the second sensing signal is low voltage level, control circuit 140 can judge the existence of external metallization object, then control circuit 140 produces the control signal of such as low voltage level.
In addition, when the first sensing signal and the second sensing signal are high-voltage level simultaneously, control circuit 140 also can judge the existence of external metallization object 180, then control circuit 140 also produces the control signal of such as high-voltage level.
From the above, as long as the first sensing signal and the second sensing signal are when at least one is high-voltage level, control circuit 140 all can judge the existence of external metallization object, and then produces the control signal of such as high-voltage level.
Power supply circuits 150 couple control circuit 140 and main coils 110, in order to reception control signal, to produce power supply signal.Furthermore, power supply circuits 150 can in order to by the control signal received, to determine whether produce power supply signal to main coils 110.
For example, when control signal is high-voltage level, power supply circuits 150 can produce power supply signal to main coils 110, make main coils 110 that power supply signal is transferred to external metallization object 180, and then allow external metallization object 180 carry out the operations such as charging.In this article, power supply signal such as results between the secondary coil of main coils 110 and external metallization object 180 wirelessly.Specifically, be exactly by the inductance coupling high effect between main coils 110 and the secondary coil of external metallization object 180, produce or transmit the power supply that outside metal object 180 is charged.When power supply circuits 150 provide power supply signal to main coils 110, main coils 110 correspondingly can produce magnetic field.In this exposure, the interaction between this kind of coil is the transmission of the power supply signal be defined as between main coils and secondary coil.When control signal is low voltage level, control signal can be exaggerated in control circuit 140.Thus, the radio source transmitting device 100 of the present embodiment can sense external metallization object 180 exactly, and correspondence provides power supply signal, to increase in the convenience of use and architecture design comparatively simply and easily to realize.
The schematic diagram of another the radio source transmitting device of Fig. 2 disclosed by embodiment of the present utility model.Radio source transmitting device 200 comprises main coils 210, balance coil 220_1,220_2,220_3,220_4, control circuit 230 and power supply circuits 240.
Main coils 210 is in order to transmit power supply signal.That is, radio source transmitting device 200 can utilize wireless mode by main coils 210, is transferred out by power supply signal.
Whether balance coil 220_1,220_2,220_3,220_4 have external metallization object 280, to produce multiple sensing signal in order to sensing.In addition, balance coil 220_1,220_2,220_3,220_4 is such as figure 8 coil.Furthermore, balance coil 220_1,220_2,220_3,220_4 can the mode of array be arranged in main coils 210 around scope in.Further, balance coil 220_1,220_2,220_3,220_4 such as sense whether there is external metallization object 280 in the mode of inductance coupling high, that is whether sensing has external metallization object 280 close to radio source transmitting device 200.
For example, when external metallization object 280 is close to balance coil 220_1,220_2,220_3,220_4, balance coil 220_1,220_2,220_3,220_4 and external metallization object 280 produce inductance coupling high effect, then balance coil 220_1,220_2,220_3,220_4 produces the sensing signal of such as high-voltage level.On the contrary, when external metallization object 280 is not close to balance coil 220_1,220_2,220_3,220_4, balance coil 220_1,220_2,220_3,220_4 can't produce inductance coupling high effect, then balance coil 220_1,220_2,220_3,220_4 produces the sensing signal of such as low voltage level.
In addition, the quantity of the balance coil of Fig. 2 is for 4, but the utility model is not limited thereto, user also its demand visual from the quantity of Row sum-equal matrix balance coil and allocation position, be such as 2, more than 3 or 4, and these balance coils be close between two or be arranged in a staggered manner main coils 210 around scope in.
Control circuit 230 couples balance coil 220_1,220_2,220_3,220_4, in order to receive sensing signal, to produce control signal.Furthermore, control circuit 230 in order to by the sensing signal received, can judge the existence whether having external metallization object 280.Further, control circuit 230, with reference to the enforcement example of the control circuit 140 of figure 1, therefore can not repeat them here to produce control signal according to sensing signal.
From the above, as long as the sensing signal that balance coil 220_1,220_2,220_3,220_4 produce is when at least one is high-voltage level, control circuit 280 all can judge the existence of external metallization object 280, and then produces the control signal of such as high-voltage level.
Power supply circuits 240 couple control circuit 230 and main coils 210, in order to reception control signal, to produce power supply signal.Furthermore, power supply circuits 240 can in order to by the control signal received, to determine whether produce power supply signal to main coils 210.
For example, when control signal is high-voltage level, power supply circuits 240 can produce power supply signal to main coils 210, make main coils 210 that power supply signal is transferred to external metallization object 280, and then allow external metallization object 280 carry out the operations such as charging.Thus, the radio source transmitting device 200 of the present embodiment can sense external metallization object exactly, and correspondence provides power supply signal, to increase in the convenience of use and architecture design comparatively simply and easily to realize.
The circuit diagram of the control circuit of Fig. 3 disclosed by the embodiment of Fig. 1.
Control circuit 140 comprises zero balancing adjustment micro actuator (zero balance adjustmenttrimmer) 302, the operational amplifier 304 in order to sensing coil electric current, two diodes 301 for rectification, two electric capacity 303 for inhibit signal.Zero balancing adjustment micro actuator 302 connects aforementioned two balance coils, in order to receive aforementioned two sensing signals, and operates aforementioned two sensing signals, to balance aforementioned two balance coils.If aforementioned sensing signal such as has non-equilibrium signal, this is because external metallization object is close to aforementioned balance coil.Further, these sensing signals do not sense into external metallization object.Operational amplifier 304 connects zero balancing adjustment micro actuator 302, in order to operate into a differential amplifier, to change two two sensing signals between balance coil and exterior object.Operational amplifier 304 connects power supply circuits 150.
Zero balancing adjustment micro actuator 302 is used in balancing circuitry.The sensing signal that aforementioned balancing circuitry receives for adjusting operational amplifier 304.
In addition, the execution mode of balance coil 220_1,220_2,220_3,220_4 of Fig. 2, can with reference to the execution mode of first balance coil 120 of figure 3, and the execution mode of the control circuit 230 of Fig. 2, with reference to the execution mode of the control circuit 140 of figure 3, therefore can not repeat them here yet.
The radio source transmitting device that the present embodiment provides, external metallization object and/or the second balance coil sensing external metallization object whether is had whether to be positioned at the blind area of the first balance coil by the first balance coil sensing, external metallization object whether is had again by the first balance coil and/or the second balance coil sensing, and by the result of control circuit according to aforementioned sensing, controlling power supply circuits provides power supply signal to transmit to main coils.Or whether the multiple balance coil sensings by configuration have external metallization object, and by the result of control circuit according to aforementioned sensing, controlling power supply circuits provides power supply signal to transmit to main coils.Thus, external metallization object can be sensed exactly, and correspondence provides power supply signal, to increase in the convenience of use and architecture design comparatively simply and easily to realize.The main purpose of exterior object sensing refers in safety operation, and power supply circuits protection transmission power supply does not affect by metal detection.
Although the utility model discloses as above with aforesaid embodiment, so itself and be not used to limit the utility model.Not departing from spirit and scope of the present utility model, the change of doing and retouching, all belong to scope of patent protection of the present utility model.The protection range defined about the utility model please refer to appending claims.
Claims (10)
1. a radio source transmitting device, comprising:
One main coils, in order to transmit a power supply signal;
Whether one first balance coil, have an external metallization object, to produce one first sensing signal in order to sensing;
Whether one second balance coil, be positioned at a blind area of this first balance coil in order to sense this external metallization object, to produce one second sensing signal;
One control circuit, couples this first balance coil and this second balance coil, and in order to receive this first sensing signal and/or this second sensing signal, to produce a control signal, wherein control circuit has a balancing circuitry, in order to adjust those sensing signals; And
One power supply circuits, couple this control circuit and this main coils, in order to receive this control signal, to produce this power supply signal.
2. radio source transmitting device as claimed in claim 1, wherein this first balance coil is figure 8 coil.
3. radio source transmitting device as claimed in claim 1, wherein this second balance coil is figure 8 coil.
4. radio source transmitting device as claimed in claim 1, wherein this second balance coil is positioned at this blind area of this first balance coil.
5. radio source transmitting device as claimed in claim 1, wherein this control circuit comprises:
One zero balancing adjustment micro actuator, couples this first balance coil and this second balance coil, in order to receive and to adjust this first sensing signal and this second sensing signal;
Two diodes, couple this zero balancing adjustment micro actuator, in order to carry out rectification to this first sensing signal and this second sensing signal;
Two electric capacity, couple this two diode, in order to keep this first sensing signal and this second sensing signal; And
One operational amplifier, couples this zero balancing adjustment micro actuator, in order to detect this first sensing signal and this second sensing signal, and produces this control signal.
6. a radio source transmitting device, comprising:
One main coils, in order to transmit a power supply signal;
Whether multiple balance coil, have an external metallization object in order to sense respectively, to produce a sensing signal;
One control circuit, couples those balance coils, and in order to receive those sensing signals, to produce a control signal, wherein control circuit has a balancing circuitry, in order to adjust those sensing signals; And
One power supply circuits, couple this control circuit and this main coils, in order to receive this control signal, to produce this power supply signal.
7. radio source transmitting device as claimed in claim 6, wherein those balance coils are figure 8 coil.
8. radio source transmitting device as claimed in claim 6, wherein those balance coils be configured at this main coils around scope in.
9. radio source transmitting device as claimed in claim 6, wherein those balance coils are with array way or staggered arrangement.
10. radio source transmitting device as claimed in claim 6, wherein this control circuit comprises:
One zero balancing adjustment micro actuator, couples those balance coils, in order to receive and to adjust those sensing signals;
Two diodes, couple this zero balancing adjustment micro actuator, in order to carry out rectification to those sensing signals;
Two electric capacity, couple this two diode, in order to keep those sensing signals; And
One operational amplifier, couples this zero balancing adjustment micro actuator, in order to detect those sensing signals, and produces this control signal.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103214394U TWM498993U (en) | 2014-08-13 | 2014-08-13 | Wireless power transmission apparatus |
| CN201420477845.5U CN204168012U (en) | 2014-08-13 | 2014-08-22 | Radio source transmitting device |
| JP2014004623U JP3194181U (en) | 2014-08-13 | 2014-08-29 | Wireless power transmission device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103214394U TWM498993U (en) | 2014-08-13 | 2014-08-13 | Wireless power transmission apparatus |
| CN201420477845.5U CN204168012U (en) | 2014-08-13 | 2014-08-22 | Radio source transmitting device |
| JP2014004623U JP3194181U (en) | 2014-08-13 | 2014-08-29 | Wireless power transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204168012U true CN204168012U (en) | 2015-02-18 |
Family
ID=56555132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420477845.5U Expired - Fee Related CN204168012U (en) | 2014-08-13 | 2014-08-22 | Radio source transmitting device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3194181U (en) |
| CN (1) | CN204168012U (en) |
| TW (1) | TWM498993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936225A (en) * | 2015-12-31 | 2017-07-07 | 中惠创智无线供电技术有限公司 | A kind of alignment system and its method for electric automobile wireless charging |
-
2014
- 2014-08-13 TW TW103214394U patent/TWM498993U/en not_active IP Right Cessation
- 2014-08-22 CN CN201420477845.5U patent/CN204168012U/en not_active Expired - Fee Related
- 2014-08-29 JP JP2014004623U patent/JP3194181U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936225A (en) * | 2015-12-31 | 2017-07-07 | 中惠创智无线供电技术有限公司 | A kind of alignment system and its method for electric automobile wireless charging |
| CN106936225B (en) * | 2015-12-31 | 2020-03-27 | 中惠创智无线供电技术有限公司 | Positioning system and method for wireless charging of electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM498993U (en) | 2015-04-11 |
| JP3194181U (en) | 2014-11-06 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20150822 |
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| EXPY | Termination of patent right or utility model |