CN206178254U - Focal length adjustable 's portable folding virtual reality glasses - Google Patents
Focal length adjustable 's portable folding virtual reality glasses Download PDFInfo
- Publication number
- CN206178254U CN206178254U CN201621215022.0U CN201621215022U CN206178254U CN 206178254 U CN206178254 U CN 206178254U CN 201621215022 U CN201621215022 U CN 201621215022U CN 206178254 U CN206178254 U CN 206178254U
- Authority
- CN
- China
- Prior art keywords
- objective carrier
- virtual reality
- reality glasses
- eyepiece
- portable folding
- 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
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- 239000011521 glass Substances 0.000 title claims abstract description 33
- 230000000712 assembly Effects 0.000 claims description 25
- 238000000429 assembly Methods 0.000 claims description 25
- 230000000694 effects Effects 0.000 claims description 7
- 229920001821 foam rubber Polymers 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Eyeglasses (AREA)
Abstract
The utility model provides a focal length adjustable's portable folding virtual reality glasses, the utility model relates to a virtual reality glasses, put up and be located the objective carrier that the eyepiece put up the place ahead including the eyepiece, connect through the extensible member between eyepiece frame and the objective carrier, and adjust interval between the two through the extensible member, it is used for keeping the locating component of interval between the two to be equipped with between eyepiece frame and the objective carrier, the eyepiece shelf location has a left side, two lens subassemblies on the right side, the place ahead of objective carrier is equipped with and is used for placing or fixed video display terminal's support, offer the window mouth that is used for exposing video display terminal on the objective carrier, it forms a left side to be separated by the baffle in the middle of the window mouth, two objective windows on the right side. The focal length adjustable of this virtual reality glasses, and the regulation is more accurate, nimble, and glasses are small in size, convenient to carry with oneself under full fold condition.
Description
Technical field
The utility model is related to a kind of virtual reality glasses, and in particular to a kind of portable folding of focus adjustable is virtually existing
Real glasses.
Background technology
Virtual reality technology refer to by the aspects such as simulated environment, perception, natural technical ability be user create three-dimensional, solid,
Image true to nature.Can by the way that the video display terminals such as smart mobile phone, panel computer are put on the wearable device of virtual reality
To watch 3D videos, play reality-virtualizing game, carry out indoor design and industrial simulation etc..
Current virtual reality glasses volume is excessively huge and heaviness, is unfavorable for carrying, and wears can increase pendant for a long time
The sense tired out of wearer.In addition, the focal length of existing virtual reality glasses can not typically be adjusted, the virtual reality experience of user is have impact on
Sense, part glasses are after Focussing component is increased so that the overall volume increase of glasses, it is impossible to take into account wanting for compact
Ask, these deficiencies limit the application of virtual reality glasses, it is impossible to realize the purpose of experiencing virtual reality whenever and wherever possible.
Utility model content
The purpose of this utility model is to provide a kind of portable folding virtual reality glasses of focus adjustable, its focus adjustable
And compact, it is easy to carry.
To achieve the above object, the technical solution of the utility model is：A kind of portable folding of focus adjustable is virtually existing
Real glasses, including eyepiece holder and the objective carrier in front of eyepiece holder, are connected between eyepiece holder and objective carrier by extensible member, and
By extensible member regulation spacing between the two, the positioning for keeping spacing between the two is provided between eyepiece holder and objective carrier
Component, is provided with left and right two Lens assemblies on eyepiece holder, be provided with front of objective carrier for placement or fixed video display eventually
The support at end, offers the viewing window for exposing video display terminal on objective carrier, shape is separated by baffle plate in the middle of viewing window
Into left and right two object lens windows.
Further, the extensible member includes sleeve and in sleeve and can extend and retract the expansion link of sleeve,
Sleeve and expansion link are connected on eyepiece holder and objective carrier.
The positioning component includes connecting rod and positioning knob, and connecting rod one end is fixed on objective carrier, and the other end is from eyepiece holder
Activity is passed in the connecting rod jack of upper setting, and positioning knob is on eyepiece holder and can be held out against on connecting rod to limit by screwing
The activity of connecting rod processed.
The connecting rod is made up of fix bar with the hinge bar for being hinged on fix bar one end, and the fix bar other end is fixed on object lens
On frame, when extensible member shrinks completely, hinge bar just can be fully extended from connecting rod jack and be folded on eyepiece holder.
Another alternative structure of the positioning component is：Positioning component including one end be fixed on tooth bar on objective carrier and
The gear being meshed with tooth bar, gear is rotatably connected on eyepiece holder by a connecting shaft, and connecting shaft one end is provided with knob, passes through
Screw knob so as to drive eyepiece holder to objective carrier closer or far from.
Resilient sleeve is provided between the eyepiece holder and objective carrier, the two ends of resilient sleeve are separately fixed at eyepiece holder and thing
The periphery of mirror holder, and resilient sleeve can be with the change folding of spacing between eyepiece holder and objective carrier or expansion.
Pass through phase between left and right two Lens assemblies and left and right two eyeglass mounting holes of setting on eyepiece holder
The buckle of cooperation and notch clamping, and two Lens assemblies can the small slip to the left or to the right in respective card slot,
To adjust the spacing between two eyeglasses.
Left and right two Lens assemblies include lens barrel and eyeglass, and eyeglass is arranged in lens barrel, and is set by lens barrel one end
The bag put along keeping out, by the back-up ring being threaded in lens barrel fixed by eyeglass opposite side.
Goggle assemblies are connected with the eyepiece holder, goggle assemblies include eyeshade frame and are embedded the sponge on eyeshade frame periphery
Pad, the position of left and right two Lens assemblies of correspondence offers two watch windows on eyeshade frame.
The eyeshade frame is provided with headband fixture, for being connected with wearing spectacles with headband.
Beneficial effect：
Spacing between the two is adjusted between eyepiece holder and objective carrier by extensible member, video display terminal is placed in object lens
Moved on the support that frame front is set and with objective carrier such that it is able to realize distance between eyeglass and video display terminal screen
Regulation, and then realize the regulation of glasses focal length.Glasses when not in use, can be completely shunk extensible member so that lens body is rolled over
Gather into folds, glasses volume is changed into compact, consequently facilitating carrying.
Positioning component can be folded using the connecting rod and positioning knob structure being engaged, connecting rod when extensible member shrinks completely
On eyepiece holder, exceptional space is not take up, realizes the full folding of lens body.Positioning component is engaged with extensible member, can make eye
The regulation of mirror focal length is more accurate, flexible.
Left and right two Lens assemblies are slided and are connected on eyepiece holder in two corresponding draw-in grooves of eyepiece hole, make left and right two
Spacing between individual eyeglass is fine-tuning, such that it is able to adapt to the interpupillary distance of different wearers.
Brief description of the drawings
Fig. 1 is the overall structure figure that lens body of the present utility model is installed together with goggle assemblies；
Fig. 2 is the independent structure figure after lens body of the present utility model is separated with goggle assemblies；
Fig. 3 is that lens body of the present utility model is in the structure chart under deployed condition in hinge bar；
Fig. 4 is that lens body of the present utility model removes the structure chart being under extended configuration after resilient sleeve；
Fig. 5 is the structure chart that lens body of the present utility model removes the pinion and-rack positioning component after resilient sleeve；
Fig. 6 is another overall structure figure that lens body of the present utility model is installed together with goggle assemblies；
Reference is：1st, support, 2, objective carrier, 3, resilient sleeve, 4, eyepiece holder, 5, eyeshade frame, 6, positioning knob, 7,
Foam-rubber cushion, 8, hinge bar, 9, Lens assembly, 10, headband fixture, 11, nose support, 12, extensible member, 13, connecting rod, 14, baffle plate,
15th, object lens window, 16, eyeglass mounting hole, 17, tooth bar, 18, knob, 19, extending seat.
Specific embodiment
As shown in Fig. 1 ~ 4, a kind of portable folding virtual reality glasses of focus adjustable, including eyepiece holder 4 and positioned at mesh
The objective carrier 2 in the front of mirror holder 4, is connected between eyepiece holder 4 and objective carrier 2 by extensible member 12, and adjusts two by extensible member 12
Spacing between person, is provided with the positioning component for keeping spacing between the two between eyepiece holder 4 and objective carrier 2.On eyepiece holder 4
Left and right two Lens assemblies 9 are installed, the front of objective carrier 2 is provided with the support 1 for placement or fixed video display terminal,
Support 1 is connected on objective carrier 2 using the releasable connection part such as bolt, is easy to pull down at any time, and support 1 has certain elasticity, Ke Yishi
The video display terminal of different-thickness is answered, and ensures that video display terminal will not be inclined or come off.Support 1 includes a support
Base plate and the side shield being connected with support baseboard, support baseboard and side shield be respectively supported at video display terminal bottom and
Sidepiece, the shape of side shield can be the shapes such as rectangle, circle, curved.Offered on objective carrier 2 and shown for exposing video
Show the viewing window of terminal, the whole display screen of video display terminal can be seen by the viewing window, by baffle plate in the middle of viewing window
14 separate to form left and right two object lens windows 15.
The extensible member 12 includes sleeve and in sleeve and can extend and retract the expansion link of sleeve, sleeve with stretch
Contracting bar is connected on eyepiece holder 4 and objective carrier 2.Can the further sheathed spring on the expansion link of cartridge exterior, spring one
End can be fixed on the upper of sleeve, expansion link is stretched automatically after shrinking.Eyepiece holder 4 and the entirety of objective carrier 2 are tabular
Structure, an extensible member 12 can be respectively set at four corresponding between the two angles.Mesh is adjusted using the stretching motion of expansion link
Spacing between mirror holder and objective carrier, that is, realize the purpose of distance between regulation eyeglass and video display terminal screen, Ye Jishi
The regulation of focal length is showed.
The positioning component includes connecting rod 13 and positioning knob 6, and the one end of connecting rod 13 is fixed on objective carrier 2, the other end from
Activity is passed in the connecting rod jack set on eyepiece holder 4, and positioning knob 6 is on eyepiece holder 4 and can be held out against by screwing
With the activity of limiting rod 13 on connecting rod 13, so as to limit the stretching motion of extensible member 12, make between eyepiece holder 4 and objective carrier 2
Spacing be maintained fix.In the telescopic process of extensible member 12, the expansion link of extensible member 12 drives objective carrier 2 to eyepiece holder 4
Closer or far from when expansion link is under the fully extended state, the fixture block that the end of connecting rod 13 is set is held in connecting rod jack
One end, makes connecting rod 13 not deviate from from connecting rod jack.Positioning component may be configured as two, respectively positioned at eyepiece holder and objective carrier
Between two side positions.The stretching motion of extensible member 12 can be made to be accurately positioned at an arbitrary position by positioning component, the He of eyepiece holder 4
The regulation of spacing is more flexible between objective carrier 2.
The connecting rod 13 is made up of fix bar with the hinge bar 8 for being hinged on fix bar one end, and the fix bar other end is fixed on
On objective carrier 2, when extensible member 12 shrinks completely, hinge bar 8 just can be fully extended from connecting rod jack and be folded in eyepiece
On frame 4, now, lens body（I.e. glasses remove remaining part after goggle assemblies）In full folded state, that is, reach the most
Slim state, the property carried with is more preferably.
Another alternative structure of the positioning component is：The positioning component is fixed on objective carrier 2 including one end
Tooth bar 17 and the gear being meshed with tooth bar 17, the other end of tooth bar 17 are provided with limited block, and the sidepiece of eyepiece holder 4 is provided with one
Extending seat 19, gear is rotatably connected on extending seat 19 by a connecting shaft, and connecting shaft one end is provided with knob 18, gear and knob
18 respectively positioned at extending seat 19 both sides, by screw knob 18 so as to drive eyepiece holder 4 to objective carrier 2 closer or far from.Should
Rack-and-pinion positioning component is set to two sets, respectively positioned at the both sides of glasses.
Resilient sleeve 3 is provided between the eyepiece holder 4 and objective carrier 2, the two ends of resilient sleeve 3 are separately fixed at eyepiece holder
4 and the periphery of objective carrier 2, and resilient sleeve 3 can fold or launch with the change of spacing between eyepiece holder and objective carrier, to adapt to
The regulation of spacing.Resilient sleeve 3 can be made using materials such as silica gel or fabrics, and its cylinder can use organ pattern, just
In folding or expansion.The two ends of resilient sleeve 3 are respectively sleeved at protrusion that eyepiece holder and objective carrier periphery set along upper, and pass through
Some screws are fixed on respective protrusion along upper.Eyepiece holder and objective carrier can be using materials such as plastics.
Left and right two Lens assemblies 9 include lens barrel and eyeglass, and eyeglass uses VR optical mirror slips, eyeglass to be arranged on
In lens barrel, and kept out by the bag edge that lens barrel one end is set, eyeglass opposite side is fixed by the back-up ring being threaded in lens barrel.Two
Lens assembly 9 is separately mounted on eyepiece holder 4 in left and right two eyeglass mounting holes 16 of setting, two lens barrels of Lens assembly 9
On be equipped with buckle, corresponding notch is equipped with two eyeglass mounting holes 16, by the buckle and draw-in groove knot that are engaged
Be connected in two Lens assemblies 9 in two eyeglass mounting holes 16 by structure, has certain cooperation empty between the buckle and draw-in groove
Gap so that two Lens assemblies 9 can the small slip to the left or to the right in respective card slot, so as to reach two eyeglasses of regulation it
Between spacing purpose, to adapt to the interpupillary distance of different wearers.Wherein, the fine setting scope of two eyeglass spacing is 8 ~ 12mm.
Goggle assemblies are connected with the eyepiece holder 4, goggle assemblies include eyeshade frame 5 and are embedded on the periphery of eyeshade frame 5
Foam-rubber cushion 7, foam-rubber cushion 7 is fitted tightly over around human eye, makes wearing for glasses more comfortable, and correspondence is left and right two on eyeshade frame 5
The position of Lens assembly 9 offers two watch windows, and the bottom of eyeshade frame 5 is provided with nose support 11.The activity of eyeshade frame 5 is connected to eyepiece
On frame 4, can remove realizing self disassembling as needed, to meet the random switching of immersion viewing and hand-held viewing.The He of eyeshade frame 5
The draw-in groove being engaged and fixture block structure of both clampings are respectively provided with eyepiece holder 4.
The eyeshade frame 5 is provided with headband fixture 10, and for being connected with headband with wearing spectacles, headband fixture 10 can
Using forms such as hook, hanging holes, number may be configured as three, respectively positioned at the both sides and top on the periphery of eyeshade frame 5, using three
Point support concept, can mitigate pressure of the glasses to face during wearing.
Claims (10)
1. portable folding virtual reality glasses of a kind of focus adjustable, it is characterised in that：Including eyepiece holder（4）With positioned at eyepiece
Frame（4）The objective carrier in front（2）, eyepiece holder（4）And objective carrier（2）Between pass through extensible member（12）Connection, and by extensible member
（12）Regulation spacing between the two, eyepiece holder（4）And objective carrier（2）Between be provided with positioning for keeping spacing between the two
Component, eyepiece holder（4）On left and right two Lens assemblies are installed（9）, objective carrier（2）Front be provided with for placing or fixed
The support of video display terminal（1）, objective carrier（2）On offer viewing window for exposing video display terminal, viewing window
Centre is by baffle plate（14）Separate to form left and right two object lens windows（15）.
2. portable folding virtual reality glasses of a kind of focus adjustable as claimed in claim 1, it is characterised in that：It is described to stretch
Contracting part（12）Including sleeve and in sleeve and the expansion link of sleeve can be extended and retracted, sleeve and expansion link are connected respectively
In eyepiece holder（4）And objective carrier（2）On.
3. portable folding virtual reality glasses of a kind of focus adjustable as claimed in claim 1, it is characterised in that：It is described fixed
Hyte part includes connecting rod（13）And positioning knob（6）, connecting rod（13）Objective carrier is fixed in one end（2）On, the other end is from eyepiece holder
（4）Activity is passed in the connecting rod jack of upper setting, positioning knob（6）Located at eyepiece holder（4）Go up and can be held out against by screwing
Connecting rod（13）On with limiting rod（13）Activity.
4. portable folding virtual reality glasses of a kind of focus adjustable as claimed in claim 3, it is characterised in that：The company
Bar（13）By fix bar and the hinge bar for being hinged on fix bar one end（8）Composition, the fix bar other end is fixed on objective carrier（2）
On, in extensible member（12）Hinge bar when shrinking completely（8）Just can be fully extended from connecting rod jack and it be folded in eyepiece holder
（4）On.
5. portable folding virtual reality glasses of a kind of focus adjustable as claimed in claim 1, it is characterised in that：It is described fixed
Hyte part is fixed on objective carrier including one end（2）On tooth bar（17）And with tooth bar（17）The gear being meshed, gear passes through one
Connecting shaft is rotatably connected on eyepiece holder（4）On, connecting shaft one end is provided with knob（18）, by screwing knob（18）So as to drive mesh
Mirror holder（4）To objective carrier（2）Closer or far from.
6. portable folding virtual reality glasses of a kind of focus adjustable as claimed in claim 1, it is characterised in that：The mesh
Mirror holder（4）And objective carrier（2）Between be provided with resilient sleeve（3）, resilient sleeve（3）Two ends be separately fixed at eyepiece holder（4）With
Objective carrier（2）Periphery, and resilient sleeve（3）Can be with eyepiece holder（4）And objective carrier（2）Between spacing change fold or open up
Open.
7. portable folding virtual reality glasses of a kind of focus adjustable as claimed in claim 1, it is characterised in that：It is described
Left and right two Lens assemblies（9）With eyepiece holder（4）Left and right two eyeglass mounting holes of upper setting（16）Between by match
The buckle of conjunction and notch clamping, and two Lens assemblies（9）Can the small slip to the left or to the right in respective card slot,
To adjust the spacing between two eyeglasses.
8. portable folding virtual reality glasses of a kind of focus adjustable as claimed in claim 1, it is characterised in that：It is described
Left and right two Lens assemblies（9）Include lens barrel and eyeglass, eyeglass is arranged in lens barrel, and the bag edge set by lens barrel one end
Keep out, eyeglass opposite side is fixed by the back-up ring being threaded in lens barrel.
9. portable folding virtual reality glasses of a kind of focus adjustable as claimed in claim 1, it is characterised in that：The mesh
Mirror holder（4）On be connected with goggle assemblies, goggle assemblies include eyeshade frame（5）Be embedded in eyeshade frame（5）The foam-rubber cushion on periphery
（7）, eyeshade frame（5）Upper left and right two Lens assemblies of correspondence（9）Position offer two watch windows.
10. portable folding virtual reality glasses of a kind of focus adjustable as claimed in claim 9, it is characterised in that：It is described
Eyeshade frame（5）It is provided with headband fixture（10）, for being connected with wearing spectacles with headband.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215022.0U CN206178254U (en) | 2016-11-11 | 2016-11-11 | Focal length adjustable 's portable folding virtual reality glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215022.0U CN206178254U (en) | 2016-11-11 | 2016-11-11 | Focal length adjustable 's portable folding virtual reality glasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206178254U true CN206178254U (en) | 2017-05-17 |
Family
ID=58683700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621215022.0U Expired - Fee Related CN206178254U (en) | 2016-11-11 | 2016-11-11 | Focal length adjustable 's portable folding virtual reality glasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206178254U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037590A (en) * | 2017-05-18 | 2017-08-11 | 佛山市优样电子科技有限公司 | A kind of folding virtual reality glasses |
| CN107121776A (en) * | 2017-05-18 | 2017-09-01 | 佛山市优样电子科技有限公司 | A kind of virtual reality glasses |
| CN107577052A (en) * | 2017-09-30 | 2018-01-12 | 深圳市冠旭电子股份有限公司 | Interpupillary distance adjustment structure and virtual reality display device |
| CN108710211A (en) * | 2018-08-14 | 2018-10-26 | 深圳创维新世界科技有限公司 | Object distance is adjustable virtual reality device |
| CN109633903A (en) * | 2018-12-17 | 2019-04-16 | 许昌学院 | A kind of portable folding virtual reality glasses of focus adjustable |
| CN110262072A (en) * | 2019-05-06 | 2019-09-20 | 深圳市康刚眼镜有限公司 | A kind of Zoom glasses |
| CN110703442A (en) * | 2019-09-29 | 2020-01-17 | 歌尔股份有限公司 | Single display screen head-mounted display |
| WO2021057156A1 (en) * | 2019-09-29 | 2021-04-01 | 陈侃 | Underwater observation device |
| CN112904559A (en) * | 2021-01-20 | 2021-06-04 | 山东梦幻视界智能科技有限公司 | Fusion reality (MR) space sensing device based on laser radar |
-
2016
- 2016-11-11 CN CN201621215022.0U patent/CN206178254U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037590A (en) * | 2017-05-18 | 2017-08-11 | 佛山市优样电子科技有限公司 | A kind of folding virtual reality glasses |
| CN107121776A (en) * | 2017-05-18 | 2017-09-01 | 佛山市优样电子科技有限公司 | A kind of virtual reality glasses |
| CN107577052A (en) * | 2017-09-30 | 2018-01-12 | 深圳市冠旭电子股份有限公司 | Interpupillary distance adjustment structure and virtual reality display device |
| CN107577052B (en) * | 2017-09-30 | 2023-11-10 | 深圳市冠旭电子股份有限公司 | Pupil distance adjusting structure and virtual reality display device |
| CN108710211A (en) * | 2018-08-14 | 2018-10-26 | 深圳创维新世界科技有限公司 | Object distance is adjustable virtual reality device |
| CN108710211B (en) * | 2018-08-14 | 2024-01-30 | 深圳创维新世界科技有限公司 | Virtual reality equipment with adjustable object distance |
| CN109633903A (en) * | 2018-12-17 | 2019-04-16 | 许昌学院 | A kind of portable folding virtual reality glasses of focus adjustable |
| CN109633903B (en) * | 2018-12-17 | 2021-01-12 | 许昌学院 | Focus adjustable portable folding virtual reality glasses |
| CN110262072A (en) * | 2019-05-06 | 2019-09-20 | 深圳市康刚眼镜有限公司 | A kind of Zoom glasses |
| CN110703442A (en) * | 2019-09-29 | 2020-01-17 | 歌尔股份有限公司 | Single display screen head-mounted display |
| WO2021057156A1 (en) * | 2019-09-29 | 2021-04-01 | 陈侃 | Underwater observation device |
| CN112904559A (en) * | 2021-01-20 | 2021-06-04 | 山东梦幻视界智能科技有限公司 | Fusion reality (MR) space sensing device based on laser radar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 |