CN205902125U - Radio fever type container - Google Patents
Radio fever type container Download PDFInfo
- Publication number
- CN205902125U CN205902125U CN201620212606.6U CN201620212606U CN205902125U CN 205902125 U CN205902125 U CN 205902125U CN 201620212606 U CN201620212606 U CN 201620212606U CN 205902125 U CN205902125 U CN 205902125U
- Authority
- CN
- China
- Prior art keywords
- container
- radio
- type container
- heat type
- resistance section
- 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.)
- Expired - Fee Related
Links
- 206010037660 Pyrexia Diseases 0.000 title abstract 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 235000013361 beverage Nutrition 0.000 claims abstract description 7
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 38
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 9
- 229920001971 elastomer Polymers 0.000 description 25
- 229920005989 resin Polymers 0.000 description 25
- 239000011347 resin Substances 0.000 description 25
- 230000005540 biological transmission Effects 0.000 description 16
- 239000011521 glass Substances 0.000 description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- -1 polytetrafluorethylene Polymers 0.000 description 3
- 239000004641 Diallyl-phthalate Substances 0.000 description 2
- 239000004962 Polyamide-imide Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 229920002312 polyamide-imide Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000001227 electron beam curing Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Landscapes
- Cookers (AREA)
Abstract
The utility model provides an enlarge scope, and the radio fever type container that can heat through the content of wireless circular telegram in with the container of the constitution material of container. The utility model relates to a radio fever type container (1), it is the container that holds beverage or food, and including passing through the wireless electric heat portion (10) of electromagnetic induction type's wireless power supply with the container electrical heating.
Description
Technical field
This utility model be related to a kind of being capable of the electrical heating by the non-contact power from alternating current power supply or DC source
Radio heat type container.
Background technology
In general, as the method that the content in container is heated it is known to various methods as follows: for example
A the mode of () direct-fired heating container, (b) is by the side heated using heating equipments such as pots that is wired and being connected with power supply
Formula, (c) makes the polar molecule that the water in content is representative vibrate the mode being heated as microwave oven using microwave.
Described (a) mode produces the equipment of flame so poor stability because needing gas stove etc..And, only can be using tool
There is the container of fire resistance.And, described (b) mode because of the line that uses the power on the heating equipment having container function concurrently and with peace
It is contained in outlet on family or the wall of office to connect, thus wired become the worries such as obstacle.And, described (c) mode needs
The such relatively large equipment possessing closing space of microwave oven.
In addition to described (a), (b) and (c), following (d) mode is also known, i.e. using the electromagnetism sense by referred to as ih
The principle answered and the vortex flow that senses are by content heating (referring for example to patent documentation 1) in container.Described (d) mode because
Do not use flame, and maintain wireless status between container and ih cooking equipment, and the content in container can be heated, institute
Think the high mode of heating of safety coefficient.
[prior art literature]
[patent document]
[patent document 1] Japanese Patent Laid-Open 2010-225407 publication
Utility model content
[utility model problem to be solved]
However, when using ih cooking equipment, in order to be able to produce vortex flow in a reservoir, and producing metal using vortex flow
Resistance heating, the container that can use is limited.Cannot be using the container comprising glass, pottery, heat stable resin.
This utility model is to complete to solve described problem it is therefore intended that providing the model of the constituent material expanding container
The radio heat type container enclosing and by wireless energising, the content in container being heated.
[technological means of solve problem]
For solving described purpose, an embodiment of the present utility model is the container holding beverage or food, and includes no
Line electric heating portion, described wireless electrothermal heat portion can be by the wireless power of way of electromagnetic induction by container electrical heating.
In the radio heat type container of another embodiment of the present utility model, may also include in described wireless electrothermal heat portion and be subject to
Electric coil and the resistance section that resistance heating can be carried out using the electric current producing in this electricity reception coil.
In the radio heat type container of another embodiment of the present utility model, and then can possess described in the bottom of container
Resistance section.
In the radio heat type container of another embodiment of the present utility model, also can possess described electricity in the sidepiece of container
Resistance part.
In the radio heat type container of another embodiment of the present utility model, also can bury described resistance in a reservoir
Portion.
In the radio heat type container of another embodiment of the present utility model, also can be using described wireless electrothermal heat portion as being subject to
Electric coil is contacted with container with the formed body of resistance integrally.
In the radio heat type container of another embodiment of the present utility model, also can make formed body in rubber-like elastic body
In possess electricity reception coil and resistance section.
In the radio heat type container of another embodiment of the present utility model, also can be by formed body via rubber-like elasticity
Body is fixed on container.
[utility model effect]
This utility model can provide a kind of scope of constituent material of expansion container and can be energized container by wireless
The radio heat type container of interior content heating.
Brief description
Fig. 1 represents the longitudinal section of radio heat type container of first embodiment of the present utility model, located at this container
The amplification view (1a) in the wireless electrothermal heat portion of bottom and wireless electrothermal heat portion schematic configuration axonometric chart (1b).
Fig. 2 represents to illustrate the figure of the structure of resistance section energising in the wireless electrothermal heat portion to Fig. 1.
Fig. 3 represents the figure of the details of mechanism further describing Fig. 2.
Fig. 4 physically represents the situation of Fig. 3.
Fig. 5 represents longitudinal section (5a) and the radio of the radio heat type container of second embodiment of the present utility model
The schematic configuration (5b) in hot portion.
Specific embodiment
Next, while referring to the drawings while saying to the embodiment of radio heat type container of the present utility model
Bright.However, following embodiment not limits radio heat type container of the present utility model, constitute each of following embodiments
Element is not necessarily necessity element of the present utility model.
< first embodiment >
Fig. 1 represents the longitudinal section of radio heat type container of first embodiment of the present utility model and located at this container
The amplification view (1a) in the wireless electrothermal heat portion of bottom, and the axonometric chart (1b) of the schematic configuration in wireless electrothermal heat portion.
The radio heat type container 1 of first embodiment is the container holding beverage or food, possesses and can pass through electromagnetism
The wireless power of induction mode is by electrically heated for container wireless electrothermal heat portion 10.In present embodiment, radio heat type container 1 from
The sidepiece (also referred to as container side) 5 of container is linked in the bottom 6 of downside, buries wireless electrothermal heat portion 10.Wireless electrothermal heat portion 10
In formed body 15, preferably possess electricity reception coil 20, power side circuit board 30 and resistance section 40.Resistance section 40 can be using by electricity
The electric current producing in coil 20 carries out resistance heating.Electricity reception coil 20 and resistance section 40 are all via joining on power side circuit board 30
Line or electronic component and connect.Resistance section 40 is preferably configured as spiral-shaped.
Even if formed body 15 preferably comprise contact with resistance section 40 be not easy to melt or decompose the glass of excellent heat resistance,
Pottery, resin, rubber etc., in the case of using resin or rubber, are more suitable for comprising thermosetting resin, UV cured property
Resin, electron-beam curing resin, thermosetting elastomer etc..For example, in the feelings that resin material as formed body 15 is used
Under condition, can be suitably used polyphenylene sulfide (pps, poly phenylene sulfide), polyimides (pi,
Polyimide), politef (ptfe, polytetrafluorethylene), polyamide-imides (pai,
Polyamideimide), diallyl phthalate resin (pdap, diallyl phthalate resin), silicone resin
The thermostability such as (si, silicone resin), epoxy resin (ep, epoxy resin), furane resins (ff, furan resin)
High resin.And, in the case of rubber material as formed body 15 is used, fluorine system rubber, silicon can be suitably used
The high rubber of thermostability such as ketone system rubber.From improve electricity reception coil 20, power side circuit board 30, the electronic component such as resistance section 40 or
For the viewpoint of the water proofing property of circuit board, formed body 15 possesses by electric wire in the rubber-like elastic body with silicone rubber as representative
Circle 20 and resistance section 40 are more highly preferred to.In subject application, " thermostability " is to refer to withstand more than 100 DEG C, preferably 150 DEG C
Above, the property of more preferably more than 180 DEG C and then more preferably more than 200 DEG C of temperature.
With regard to the vessel of radio heat type container 1, except could be for holding the deep cup of the beverages such as water, tea, coffee
Outward, can also be the tray for holding food.And, radio heat type container 1, in addition to comprising glass, pottery, metal, also may be used
Suitably comprise the resin of excellent heat resistance or rubber (the especially resin of more than 180 DEG C of heat resisting temperature or rubber).As described
Resin or rubber, can be suitably used the material identical option with formed body 15, i.e. pps, pi, ptfe, pai, pdap,
Si, ep, ff, fluorine system rubber or silicone-based rubber.
Fig. 2 represents to illustrate the figure of the mechanism of resistance section energising in the wireless electrothermal heat portion to Fig. 1.
In generation magnetic field h around the power transmission coil 50 that alternating current power supply 60 is powered, thus producing magnetic flux.If making wireless
The bottom 6 of electroheating type container 1 near power transmission coil 50, is then located in the electricity reception coil 20 in the h of magnetic field the faradic current that flows.This profit
If with giving change to by the magnetic flux of coil, this Faraday's law of electromotive force can be produced.Faradic current is through by electricity
Distribution in lateral circuit plate 30, electric current i flows to resistance section 40.Thus, resistance section 40 is generated heat.
Fig. 3 represents the figure of the mechanism further describing Fig. 2.
Wireless power transmission device 70, as one, comprises rectifier smoothing circuit 81, resonance circuit 82, capacitor 83, power transmission line
Circle 50 etc., can be constituted with alternating current power supply 60 with being connected.Rectifier smoothing circuit 81, resonance circuit 82 and capacitor 83 preferably set
In power transmission side circuit board 80.On the other hand, power side circuit board 30 possesses capacitor 31 and rectification circuit 32 etc..Electricity reception coil 20
And resistance section 40 is all electrically connected with rectification circuit 32.
Rectifier smoothing circuit 81 is by the exchange from alternating current power supply 60 using the rectification circuit employing diode in addition
Rectification, and utilize smoothing circuit smoothes, and be converted to direct current.Resonance circuit 82 carries out the higher-order of oscillation, as a result, constituting
Surrounding's generation magnetic field h of the power transmission coil 50 of lc circuit.Electricity reception coil 20 can be passed through by the magnetic flux that this magnetic field h produces, and utilize
Electromagnetic induction makes to induce electric current in electricity reception coil 20.Flow through comprise electricity reception coil 20 and the lc circuit of capacitor 31 exchange by
Rectification circuit 32 is converted to direct current.As a result, streaming current i in resistance section 40.
Fig. 4 physically represents the situation of Fig. 3.
If wireless power transmission device 70 is connected to alternating current power supply 60, generation magnetic field h around power transmission coil 50.Wirelessly
Power transmission device 70 possesses power transmission coil 50 in the position in the face near its table side.And, radio heat type container 1 side possess by electricity
Coil 20 is located at bottom 6 and the position near power transmission coil 50 of radio heat type container 1.Therefore, if by radio heat type
Container 1 is placed in the upper surface of wireless power transmission device 70 or near this upper surface, then the magnetic flux producing because of magnetic field h can be by by electricity
Coil 20.As a result, inducing electric current in electricity reception coil 20, streaming current i in resistance section 40.If resistance section 40 is generated heat,
This heat is delivered to the content in this vessel by formed body 15, vessel.
< second embodiment >
Next, illustrating to the radio heat type container of second embodiment of the present utility model.Present embodiment
In identical symbol is enclosed to the composition sharing with first embodiment, and the repetitive description thereof will be omitted.
Fig. 5 represents longitudinal section (5a) and the radio of the radio heat type container of second embodiment of the present utility model
The schematic configuration (5b) in hot portion.
The radio heat type container 1 of second embodiment in the same manner as first embodiment, for holding beverage or food
Container, including can be by the wireless power of way of electromagnetic induction by electrically heated for container wireless electrothermal heat portion 10a.Present embodiment
Radio heat type container 1 from container side 5 link downside bottom 6 in, embedded wireless electrothermal heat portion 10a.Wherein, radio
Hot portion 10a preferably possesses electricity reception coil 20 and power side circuit board 30 in formed body 15, but does not possess resistance section 40a.Resistance
Portion 40a is embedded in the container side 5 of radio heat type container 1.Resistance section 40a is can be using the electricity producing in electricity reception coil 20
Flow and carry out the constituting portion of resistance heating, advancing from bottom to top in the shape of a spiral and wind in container side 5 forms.Electricity reception coil
20 and resistance section 40a all connect via the distribution on power side circuit board 30 or electronic component.
The distribution extending from the power side circuit board 30 of wireless electrothermal heat portion 10a in the point p and point q of in figure, respectively with resistance
Two ends p, q of portion 40a connect.Wireless electrothermal heat portion 10a is in the bottom 6 of vessel.However, wireless electrothermal heat portion 10a also can
Enough it is fixed on the outside of bottom 6.In the case of being somebody's turn to do, as its consolidation method, though being not particularly limited, can suitably illustrate makes
The method of the rubber-like binding agent being representative in order to silicone-based adhesive etc..Formed body 15 preferably comprise glass, pottery, resin,
Rubber etc., in the case of using resin or rubber, is more suitable for by thermosetting resin, uv-hardening resin, electron beam
Hardening resin, thermosetting elastomer etc. are constituted.For example, in the case of resin material as formed body 15 is used, energy
Enough it is suitably used the high resin of the thermostabilitys such as pps, pi, ptfe, pai, pdap, si, ep, ff.And, rubber conduct is being used
In the case of the material of formed body 15, the high rubber of thermostability such as fluorine system rubber, silicone-based rubber can be suitably used.From carrying
For the water proofing property viewpoint of the electronic components such as high electricity reception coil 20, power side circuit board 30 or circuit board, more preferably formed body 15
It is made up of the rubber-like elastic body with silicone rubber as representative.
The vessel of radio heat type container 1 is because contacting with resistance section 40a, it is advantageous to comprising glass, ceramic or golden
Belong to.In the case that vessel is constituted by resin or rubber, can suitably comprise the resin of excellent heat resistance or rubber (especially
The resin or rubber that more than 180 DEG C of heat resisting temperature).As described resin or rubber, can suitably illustrate pps, pi, ptfe,
Pai, pdap, si, ep, ff, fluorine system rubber or silicone-based rubber.
< other embodiment >
More than, suitable embodiment of the present utility model is illustrated, but this utility model is not limited to institute
State each embodiment, implement after various modifications can be carried out.
For example, wireless power transmission device 70 also can be not necessarily the equipment being connected with alternating current power supply 60.Wireless power transmission device 70 is for example
Can be the equipment being connected with DC sources such as batteries.In this case, it is equipped on the power side circuit board of radio heat type container 1
30 electronic component or circuit and be equipped on the electronic component of power transmission side circuit board 80 of wireless power transmission device 70 or circuit is variable
More DC source is used.The wireless electrothermal heat portion 10 possessing in the radio heat type container 1 of first embodiment, with the second embodiment party
The wireless electrothermal heat portion 10a possessing in the radio heat type container 1 of formula similarly, also can be only by electricity reception coil 20 and by electricity circuit
Plate 30 is put into formed body 15, and by resistance section 40 outside formed body 15.So, as long as formed body 15 is electricity reception coil 20
Integrally formed with power side circuit board 30 form, also can be by resistance section 40,40a inside or outside formed body 15.
Resistance section 40, also can be located at the container of radio heat type container 1 not only located at the bottom 6 of radio heat type container 1
Side 5.And, resistance section 40a, also can be located at radio heat type container not only located at the container side 5 of radio heat type container 1
1 bottom 6.And, though resistance section 40 is not embedded in container, container also can be embedded in the same manner as resistance section 40a.
The action effect > of each embodiment of <
As more than, the radio heat type container 1 of embodiment of the present utility model is the container holding beverage or food, tool
The standby wireless power that can pass through way of electromagnetic induction is by electrically heated for container wireless electrothermal heat portion 10,10a.And, wireless electrothermal heat
Portion 10,10a possess electricity reception coil 20 and using in electricity reception coil 20 produce electric current carry out resistance heating resistance section 40,
40a.Therefore, need not possess the line in order to the energising being connected with power supply in radio heat type container 1, carrying is easy, and, with
Common feeder similarly easily cleans.And, because possessing electricity reception coil 20 in radio heat type container 1, thus with respect to ih
There are the differences such as pot using upper restriction for regulation machine, the appearance being made up of the various materials comprising metal can be used
Device.
And, can efficiently the content in the container of shallow bottom be added located at the bottom 6 of container by by resistance section 40
Temperature.And, can efficiently the content in deep vessel be heated located at the sidepiece of container by by resistance section 40a.
If resistance section 40a is buried in a reservoir, easily by the heat transfer of resistance section 40a to container.And, wirelessly
Electric heating portion 10 because contacting with container as electricity reception coil 20 and the formed body 15 of resistance section 40 integration, so in heating
In the case of mechanism malfunction, as long as formed body 15 being extracted from container and is replaced by another formed body 15, wirelessly
Electroheating type container 1 itself need not be discarded.Especially in the case of the bottom 6 that wireless electrothermal heat portion 10 is fixed on container, radio
The replacing in hot portion 10 becomes easier to.
Formed body 15 is because possessing electricity reception coil 20, resistance section 40 and power side circuit board 30, institute in rubber-like elastic body
With cleaning radio heat type container 1 in the case of it is also possible to guarantee the water proofing property of electricity reception coil 20 grade in formed body 15.And
And, formed body 15 also can be contacted with container with rubber-like binding agent via container.Therefore, even if in the outer configuration electricity of formed body 15
In the case of the 40a of resistance part, there is rubber-like binding agent because in the gap with container for the formed body 15, it is possible to improving electricity further
The water proofing property of resistance part 40a.
[industrial utilization field]
This utility model can be used in the container wirelessly content heated can be utilized.
[symbol description]
1 radio heat type container
5 container side (sidepiece of container)
6 bottoms
10th, 10a wireless electrothermal heat portion
15 formed bodies
20 electricity reception coil
30 power side circuit boards
40th, 40a resistance section
Claims (7)
1. a kind of radio heat type container it is characterised in that: be the container holding beverage or food, and
Including wireless electrothermal heat portion, described container electricity is added by the wireless power that described wireless electrothermal heat portion can pass through way of electromagnetic induction
Heat, and
Described wireless electrothermal heat portion includes electricity reception coil and can carry out resistance heating using the electric current producing in described electricity reception coil
Resistance section.
2. radio heat type container according to claim 1 it is characterised in that:
Described resistance section is located at the bottom of described container.
3. radio heat type container according to claim 1 it is characterised in that:
Described resistance section is located at the sidepiece of described container.
4. the radio heat type container according to Claims 2 or 3 it is characterised in that:
Described resistance section is buried in described container.
5. radio heat type container according to any one of claim 1 to 3 it is characterised in that:
Described wireless electrothermal heat portion as described electricity reception coil and described resistance integrally formed body and with described container
Contact.
6. radio heat type container according to claim 5 it is characterised in that:
Described formed body possesses described electricity reception coil and described resistance section in rubber-like elastic body.
7. radio heat type container according to claim 5 it is characterised in that:
Described formed body is fixed on described container via rubber-like binding agent.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620212606.6U CN205902125U (en) | 2016-03-18 | 2016-03-18 | Radio fever type container |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620212606.6U CN205902125U (en) | 2016-03-18 | 2016-03-18 | Radio fever type container |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205902125U true CN205902125U (en) | 2017-01-18 |
Family
ID=57764921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620212606.6U Expired - Fee Related CN205902125U (en) | 2016-03-18 | 2016-03-18 | Radio fever type container |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205902125U (en) |
-
2016
- 2016-03-18 CN CN201620212606.6U patent/CN205902125U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: 20170118 |
|
CF01 | Termination of patent right due to non-payment of annual fee |