CN206020819U - A kind of virtual reality glasses - Google Patents
A kind of virtual reality glasses Download PDFInfo
- Publication number
- CN206020819U CN206020819U CN201620987610.XU CN201620987610U CN206020819U CN 206020819 U CN206020819 U CN 206020819U CN 201620987610 U CN201620987610 U CN 201620987610U CN 206020819 U CN206020819 U CN 206020819U
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- CN
- China
- Prior art keywords
- eyeglass
- roll adjustment
- virtual reality
- adjustment ring
- reality glasses
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Abstract
The utility model provides a kind of virtual reality glasses, belongs to technical field of virtual reality.The virtual reality glasses include lens body and headband, eyeglass is provided with lens body and eyeglass adjusts assembling device, the head rod and the second connecting rod that are connected with the first eyeglass and the second eyeglass are adjusted simultaneously by adjusting roll adjustment ring, the distance for adjusting the first eyeglass and the second eyeglass is realized.And projection that is uniform and being carved with corresponding eyeglass distance numeral is set on roll adjustment ring, and mark is carved with lens body surface, to realize reading optimal data so as to regulation next time.And the parting bead of fixed roll adjustment ring is set and covers the lid device of roll adjustment ring, the problem of the eyeglass movement for preventing from touching roll adjustment ring by mistake and causing.
Description
Technical field
The utility model is related to technical field of virtual reality, in particular to a kind of virtual reality glasses.
Background technology
With the development of science and technology, virtual reality technology is little by little applied to video, film, medical science, simulation training and trip
In the fields such as play.
At present, the selection that virtual reality is most of user's body is experienced using virtual reality glasses.Virtual reality glasses
Principle similar with our eyes, two lens are equivalent to glasses, but without human eye intelligence, optimal state is people's eye pupil
Away from, lens centre, screen center point-blank.
And different human eye interpupillary distance is different, it is impossible to guarantor's eye pupil away from, lens centre, screen center point-blank,
The image that watches can be so caused to have ghost image, it is impossible to obtain optimal visual effect.
Utility model content
In view of this, the utility model provides a kind of virtual reality glasses, to improve existing human eye interpupillary distance and virtuality
The lens centre of the Reality glasses and screen center not point-blank poor problem of caused visual effect.
For achieving the above object, the utility model provides following technical scheme：
A kind of virtual reality glasses, including lens body and headband, the first eyeglass in the lens body, the second eyeglass,
Glasses chute and lens controlling device.The lens controlling device includes head rod, the second connecting rod and roll adjustment ring.Institute
State head rod to be connected with first eyeglass, second connecting rod is connected with second eyeglass.The roll adjustment ring sets
There is gear, the head rod and second connecting rod are equipped with tooth bar, the gear of the roll adjustment ring is with described first
The tooth bar engagement of the tooth bar of connecting rod and second connecting rod.First eyeglass and the second eyeglass are equipped with sliding part, institute
The sliding part for stating the sliding part and second eyeglass of the first eyeglass is respectively positioned in the glasses chute, the rotation of the roll adjustment ring
The sliding part of the sliding part and second eyeglass of first eyeglass is driven to slide in the glasses chute.The glasses sheet
Body surface face is provided with the first opening corresponding with the roll adjustment ring, and the roll adjustment ring is arranged on first opening.
In the utility model preferred embodiment, above-mentioned virtual reality glasses, the head rod and described
Two connecting rods include the connecting portion of connecting portion and body, the head rod and second connecting rod respectively with described
The body of the first eyeglass and the connection of the second eyeglass, the head rod and second connecting rod is provided with and the gear mesh
The tooth bar that answers, the body of the head rod are parallel with the body of second connecting rod.
In the utility model preferred embodiment, above-mentioned virtual reality glasses, the collar surface of the roll adjustment ring set
There are multiple equally distributed projections.
In the utility model preferred embodiment, above-mentioned virtual reality glasses, each described projection be carved with described
First eyeglass numeral corresponding with the distance of second eyeglass.
In the utility model preferred embodiment, above-mentioned virtual reality glasses, the lens body surface first is opened
The correspondingly raised mark is carved with mouthful.
In the utility model preferred embodiment, above-mentioned virtual reality glasses, the lens body surface is provided with
Two openings, are provided with parting bead at second opening, and the parting bead is used for by the described second opening insertion lens body, positioned at phase
Between adjacent two projections.
In the utility model preferred embodiment, above-mentioned virtual reality glasses, the roll adjustment ring have part to expose institute
State the first opening.
In the utility model preferred embodiment, above-mentioned virtual reality glasses, the lid being provided with first opening
Body device, the lid device expose the described first part being open roll adjustment ring for covering the roll adjustment ring.
In the utility model preferred embodiment, above-mentioned virtual reality glasses, the lid device is described
Riser and the cover plate perpendicular to the riser are set at one opening, and the riser is slidably connected with the cover plate, and the riser sets
There is chute, the cover plate is provided with slide rail corresponding with the chute.
In the utility model preferred embodiment, above-mentioned virtual reality glasses, the lid device is described
Riser and the cover plate perpendicular to the riser are set at one opening, and the cover plate is connected with riser upset.
The utility model provides a kind of virtual reality glasses, in lens body arranges lens controlling device.Roll adjustment ring
Be provided with gear, head rod and the second connecting rod is equipped with the tooth bar matched with gear.And in the first eyeglass and
Two eyeglasses arrange sliding part, and sliding part is fixed in glasses chute to ensure that eyeglass moves linearly along glasses chute.By adjusting
Roll adjustment ring rotation driven gear is rotated, and gear is engaged with the tooth bar of connecting rod, can be adjusted simultaneously and the first eyeglass and the second mirror
The head rod of piece connection and the second connecting rod move toward one another, realize the distance for adjusting the first eyeglass and the second eyeglass increase and
Reduce.
Description of the drawings
For clearer explanation the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, is therefore not construed as the restriction to scope, for those of ordinary skill in the art
For, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation of the virtual reality glasses that the utility model first embodiment is provided；
Fig. 2 is the eyeglass of the virtual reality glasses that the utility model first embodiment is provided and the structure of lens controlling device
Schematic diagram；
Fig. 3 is the enlarged drawing of A in Fig. 2；
Fig. 4 is the enlarged drawing of B in Fig. 1；
Fig. 5 is the structural representation of the virtual reality glasses that the utility model second embodiment is provided；
Fig. 6 is the enlarged drawing of C in Fig. 5.
Wherein, reference is summarized as follows：
Virtual reality glasses 100；
Lens body 110；Headband 120；
First eyeglass 131；Second eyeglass 132；Lens frame 133；
Sliding part 134；Glasses chute 135；
Head rod 140；Second connecting rod 141；Body 142；Connecting portion 143；Tooth bar 144；
Roll adjustment ring 160；Raised 161；Numeral 162；Gear 170；
First opening 180；Second opening 190；Part I 191；Part II 192；
Mark 181；Parting bead 210；Vertical portion 211；Transverse part 212；
Riser 220；Cover plate 230.
Specific embodiment
Purpose, technical scheme and advantage for making the utility model embodiment is clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described to the technical scheme in the utility model embodiment, it is clear that retouched
The embodiment that states is a part of embodiment of the utility model, rather than whole embodiments.Generally described in accompanying drawing herein and
The component of the utility model embodiment for illustrating can be arranged and be designed with a variety of configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the present utility model for providing in the accompanying drawings below
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.In based on the utility model
Embodiment, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then in subsequent accompanying drawing which further need not be defined and be explained.
In description of the present utility model, it should be noted that term " on ", D score, "left", "right", " vertical ",
The orientation of instruction such as " interior ", " outward " or position relationship are that or the practicality is new based on orientation shown in the drawings or position relationship
Type product using when the orientation usually put or position relationship, be for only for ease of description the utility model and simplify description, and
Be not indicate or imply the device or element of indication must have specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and
It is not intended that indicating or hint relative importance.
Additionally, term " level ", " vertical ", etc. term be not offered as requiring part abswolute level or pendency, but can be with
It is slightly tilted.As " level " only refers to for its direction relative " vertical " more level, it is not that the expression structure must
Fully horizontally, but can be slightly tilted.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", " installation ", should be interpreted broadly " being connected ", " connection ", for example, it may be fixedly connected, or be detachably connected,
Or be integrally connected；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to by intermediary
It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
For existing virtual reality glasses, the lens centre and screen center of human eye interpupillary distance and virtual reality glasses do not exist
The poor problem of caused visual effect on straight line.The utility model embodiment provides a kind of virtual reality glasses.
First embodiment
As shown in figure 1, Fig. 1 shows the virtual reality glasses 100 that the utility model first embodiment is provided, the virtuality is existing
Real glasses 100 include lens body 110 and headband 120.
As shown in Fig. 2 setting the first eyeglass 131 and the second eyeglass 132 in lens body 110, two eyeglasses are located at same level
Parallel with lens body 110 on line.The eyeglass is optical mirror slip, it is preferable that eyeglass outer ring is provided with lens frame 133.Lens frame 133
For protecting eyeglass, and it is used for being connected with lens controlling device.
One end of first eyeglass 131 and the second eyeglass 132 is respectively equipped with sliding part 134, the thickness and eyeglass of sliding part 134
Thickness identical.In lens body 110, the position of corresponding sliding part 134 is provided with glasses chute 135, the width of glasses chute 135
Slightly larger than the width of sliding part 134, sliding part 134 is located in glasses chute 135.As sliding part 134 is fixed on glasses chute
In 135, it is ensured that eyeglass can be moved along the direction of glasses chute 135.
Lens controlling device includes head rod 140, the second connecting rod 141.Head rod 140 and the second connecting rod
141 are used for connecting the first eyeglass 131 and the second eyeglass 132 and roll adjustment ring 160.In the present embodiment, head rod 140 and
Two connecting rods 141 include that body 142 and connecting portion 143, the connecting portion 143 of head rod 140 connect the first eyeglass 131,
Specifically it is connected in the lens frame 133 of the first eyeglass 131.Correspondingly, the connecting portion 143 of the second connecting rod 141 is connected to second
In the lens frame 133 of eyeglass 132.The body 142 of head rod 140 is parallel with the body 142 of the second connecting rod 141.
Eyeglass is fixed in lens body 110, as shown in figure 3, the body 142 of head rod 140 and the second connection
Roll adjustment ring 160 is provided between the body 142 of bar 141.Roll adjustment ring 160 be circular cylindrical shape, roll adjustment ring 160 near connecting rod
Side is provided with gear 170.Also, the gear 170 is fixed with 160 link position of roll adjustment ring, and gear 170 will not be produced with roll adjustment ring 160
Raw relative motion.Specifically, the gear 170 can be formed in one with roll adjustment ring 160, or and the mode such as clamping is detachable
Connection.
The side of the close gear 170 of 140 body 142 of head rod is provided with the tooth bar 144 mated with gear 170,
The side of the close gear 170 of 141 body 142 of the second connecting rod also is provided with the tooth bar 144 mated with gear 170, makes first
Connecting rod 140 and the second connecting rod 141 are connected with gear 170.Gear 170 is made together by adjusting 160 rotation of roll adjustment ring
Rotate, head rod 140 and the second connecting rod 141 is made while counter motion, and movement velocity is identical.
Rotate for being easier to stir roll adjustment ring 160, the collar surface of roll adjustment ring 160 is provided with raised 161.Preferably, raised
It is carved with between the first eyeglass 131 and the second eyeglass 132 on 161 surfaces for being evenly provided on roll adjustment ring 160, and raised 161
Distance corresponding digital 162.
As shown in figure 4, the surface of lens body 110 and 160 corresponding position of roll adjustment ring are provided with the first opening 180, first
Opening 180 is used for user and adjusts roll adjustment ring 160.Preferably, the part of roll adjustment ring 160 is exposed in glasses from the first opening 180
Outside body 110, convenient use person stirs roll adjustment ring 160.Preferably, 110 surface of lens body in the middle of corresponding first opening 180
It is carved with mark 181.Numeral 162 in 181 respective protrusions 161 of mark, is easy to reading number 162 and later regulation behaviour
Make.
Lens body 110 is additionally provided with parting bead 210, and parting bead 210 can block the roll adjustment ring inside lens body 110
Projection 161 on 160, moves eyeglass so as to prevent roll adjustment ring 160 from accidentally being encountered to rotate.
110 surface of lens body is additionally provided with the second opening 190, makes above-mentioned parting bead 210 insert glasses sheet from the second opening 190
Body 110.As shown in figure 4, the second 190 shapes of opening such as alphabetical " L " shape, including the Part I parallel to 110 edge of lens body
191 and the Part II 192 of vertical Part I 191.
Specifically, parting bead 210 include through the second opening 190 vertical portion 211 and can be with the projection of roll adjustment ring 160
The transverse part 212 of 161 contacts.Vertical portion 211 has part to expose the second opening 190, and transverse part 212 is located in lens body 110.Transverse part
One end of 212 close roll adjustment ring 160 is set to and is slightly less than the shape of width between the adjacent protrusion 161 of roll adjustment ring 160 so that
Parting bead 210 is moved in the second opening 190, can be stuck between two neighboring raised 161 and be fixed roll adjustment ring 160, it is to avoid unintentionally
Encounter roll adjustment ring 160 and rotate roll adjustment ring 160 and change the position of eyeglass.
The operation principle of the virtual reality glasses 100 that the utility model first embodiment is provided is as follows：
Virtual reality glasses 100 are first worn on the head by user, open video-see, and adjusting eyeglass reaches viewing effect
Most preferably.As shown in figure 4, the vertical portion 211 of parting bead 210 is located at the Part I 191 of the second opening 190, roll adjustment ring 160 is stirred,
First eyeglass 131 and second eyeglass 132 are adjusted simultaneously can with identical speed move toward one another in the horizontal direction, until being transferred to viewing
The position of best results.Now can be with the numeral 162 on mark-sense 181 corresponding raised 161, to be adjusted to this next time
Position.
Then, the Part II 192 of the opening of slip parting bead 210 to the second 190, makes 212 one end of transverse part block roll adjustment ring
160, the position is fixed.Need next time adjust eyeglass apart from when, by parting bead 210 from second opening 190 Part II 192
Part I 191 is pushed, roll adjustment ring 160 is adjusted.
The virtual reality glasses 100 that the utility model first embodiment is provided not only can adjust eyeglass distance, allow use
Person obtains more preferable viewing effect, additionally it is possible to which record adjusts spacing, settles at one go the operation for adjusting eyeglass again, but also can
To fix the position of roll adjustment ring 160, eyeglass is caused to move to prevent from accidentally encountering roll adjustment ring 160.
Second embodiment
As shown in figure 5, from unlike embodiment one, the virtual reality glasses that the present embodiment is provided do not have the second opening
190 and parting bead 210, also include lid device.
Lid device is used for covering roll adjustment ring 160, and preventing from touching by mistake roll adjustment ring 160 causes eyeglass to move.As shown in fig. 6, lid
Body device is to be arranged on the riser 220 and cover plate 230 at the first opening 180.Lid device can be cover plate 230 and two risers
220 are slidably connected.Two risers 220 are provided with, two risers 220 are arranged on the relative both sides of the first opening 180, two risers
220 are provided with corresponding slide rail.The two edges corresponding with riser 220 of cover plate 230 are respectively equipped with chute, and cover plate 230 can phase
Riser 220 is slided.It is of course also possible to be that cover plate 230 arranges slide rail, riser 220 arranges chute.
Lid device can be connected with the upset of riser 220 for cover plate 230.Specifically, two risers 220 are arranged on first and open
The relative both sides of mouth 180, arrange a rotating shaft between two risers 220, cover plate 230 is connected with rotating shaft, and cover plate 230 can be along rotating shaft
Upset covers roll adjustment ring 160.
Lid device can also be covered on riser 220 for cover plate 230.Riser 220 is could be arranged in the first opening 180
Two of relative both sides, it is also possible to be arranged on four of surrounding of the first opening 180.
The operation principle of the virtual reality glasses 100 that the utility model second embodiment is provided is as follows：
Virtual reality glasses 100 are first worn on the head by user, open video-see, and adjusting eyeglass reaches viewing effect
Most preferably.Cover plate 230 is opened, roll adjustment ring 160 is stirred, the first eyeglass 131 can be adjusted simultaneously with the second eyeglass 132 with identical speed
Move toward one another in the horizontal direction, until being transferred to the optimal position of viewing effect.Now can be with 181 corresponding projection of mark-sense
Numeral 162 on 161, to be adjusted to the position next time.
Finally, close cover plate 230 and cover roll adjustment ring 160.Need next time to adjust eyeglass apart from when, then open cover plate 230,
Adjust roll adjustment ring 160.
The virtual reality glasses 100 that the utility model second embodiment is provided, can adjust eyeglass distance, allow user to obtain
Arrive more preferable viewing effect, additionally it is possible to which record adjusts spacing, settles at one go the operation for adjusting eyeglass again, but also can cover
Firmly roll adjustment ring 160, causes eyeglass to move to prevent from accidentally encountering roll adjustment ring 160.
In sum, the utility model provides a kind of virtual reality glasses 100, in lens body 110 arranges eyeglass
Assembling device is adjusted, and the be connected with the first eyeglass 131 and the second eyeglass 132 first company is adjusted simultaneously by adjusting roll adjustment ring 160
Extension bar 140 and the second connecting rod 141, realize the distance for adjusting the first eyeglass 131 and the second eyeglass 132.And in roll adjustment ring 160
The upper projection 161 for arranging uniformly and being carved with corresponding eyeglass distance numeral 162, and mark is carved with 110 surface of lens body
181, to realize reading optimal data so as to regulation next time.And the parting bead 210 of fixed roll adjustment ring 160 is set and covers roll adjustment
The lid device of ring 160, the problem of the eyeglass movement for preventing from touching roll adjustment ring 160 by mistake and causing.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements that is made etc. are should be included within protection domain of the present utility model.
Claims (10)
1. a kind of virtual reality glasses, it is characterised in that including lens body and headband, the first eyeglass in the lens body,
Second eyeglass, glasses chute and lens controlling device, the lens controlling device include head rod, the second connecting rod and
Roll adjustment ring, the head rod are connected with first eyeglass, and second connecting rod is connected with second eyeglass, described
Roll adjustment is equipped with gear, and the head rod and second connecting rod are equipped with tooth bar, the gear of the roll adjustment ring with
The tooth bar engagement of the tooth bar of the head rod and second connecting rod, first eyeglass and the second eyeglass are equipped with cunning
The sliding part of moving part, the sliding part of first eyeglass and second eyeglass is respectively positioned in the glasses chute, the roll adjustment
The rotation of ring drives the sliding part of the first eyeglass and the sliding part of second eyeglass to slide in the glasses chute, institute
State lens body surface and be provided with the first opening corresponding with the roll adjustment ring, the roll adjustment ring is arranged on first opening.
2. virtual reality glasses according to claim 1, it is characterised in that the head rod and second connection
Bar include the connecting portion of connecting portion and body, the head rod and second connecting rod respectively with first mirror
The body of piece and the connection of the second eyeglass, the head rod and second connecting rod is provided with tooth corresponding with the gear
Bar, the body of the head rod are parallel with the body of second connecting rod.
3. virtual reality glasses according to claim 1, it is characterised in that the collar surface of the roll adjustment ring is provided with multiple
Equally distributed projection.
4. virtual reality glasses according to claim 3, it is characterised in that each described projection is carved with and first mirror
Piece numeral corresponding with the distance of second eyeglass.
5. virtual reality glasses according to claim 4, it is characterised in that carve at first opening of lens body surface
There is the correspondingly raised mark.
6. virtual reality glasses according to claim 3, it is characterised in that the lens body surface is provided with second and opens
Mouthful, parting bead is provided with second opening, the parting bead is used for, by the described second opening insertion lens body, to be located at and adjusting
Between the two neighboring described projection of ring.
7. virtual reality glasses according to claim 1, it is characterised in that the roll adjustment ring has part to expose described first
Opening.
8. virtual reality glasses according to claim 1, it is characterised in that be provided with lid device at first opening,
The lid device exposes the described first part being open roll adjustment ring for covering the roll adjustment ring.
9. virtual reality glasses according to claim 8, it is characterised in that the lid device is in the described first opening
Place arranges riser and the cover plate perpendicular to the riser, and the riser is slidably connected with the cover plate, and the riser is provided with chute,
The cover plate is provided with slide rail corresponding with the chute.
10. virtual reality glasses according to claim 8, it is characterised in that the lid device is to open described first
Riser and the cover plate perpendicular to the riser are set at mouthful, and the cover plate is connected with riser upset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620987610.XU CN206020819U (en) | 2016-08-30 | 2016-08-30 | A kind of virtual reality glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620987610.XU CN206020819U (en) | 2016-08-30 | 2016-08-30 | A kind of virtual reality glasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206020819U true CN206020819U (en) | 2017-03-15 |
Family
ID=58253634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620987610.XU Expired - Fee Related CN206020819U (en) | 2016-08-30 | 2016-08-30 | A kind of virtual reality glasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206020819U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639877A (en) * | 2017-09-01 | 2018-01-30 | 安徽工程大学 | A kind of feed arrangement of novel packaging box groover |
| CN107678160A (en) * | 2017-10-16 | 2018-02-09 | 深圳市中科智诚科技有限公司 | A kind of heat radiating type VR glasses based on Internet of Things |
| CN108519678A (en) * | 2018-05-17 | 2018-09-11 | 芜湖乐知智能科技有限公司 | A kind of camera lens and its adjusting method of the virtual reality that can freely focus |
| CN109288658A (en) * | 2018-08-31 | 2019-02-01 | 北京目瞳科技有限公司 | A kind of VR glasses and visual training method for realizing visual training |
| CN109966129A (en) * | 2019-05-08 | 2019-07-05 | 徐春明 | Visual accommodation exerciser and multi-functional glasses |
-
2016
- 2016-08-30 CN CN201620987610.XU patent/CN206020819U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639877A (en) * | 2017-09-01 | 2018-01-30 | 安徽工程大学 | A kind of feed arrangement of novel packaging box groover |
| CN107678160A (en) * | 2017-10-16 | 2018-02-09 | 深圳市中科智诚科技有限公司 | A kind of heat radiating type VR glasses based on Internet of Things |
| CN108519678A (en) * | 2018-05-17 | 2018-09-11 | 芜湖乐知智能科技有限公司 | A kind of camera lens and its adjusting method of the virtual reality that can freely focus |
| CN109288658A (en) * | 2018-08-31 | 2019-02-01 | 北京目瞳科技有限公司 | A kind of VR glasses and visual training method for realizing visual training |
| CN109966129A (en) * | 2019-05-08 | 2019-07-05 | 徐春明 | Visual accommodation exerciser and multi-functional glasses |
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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: 20170315 Termination date: 20180830 |
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| CF01 | Termination of patent right due to non-payment of annual fee |