CN209417429U - A kind of VR glasses can be automatically controled broadcasting and pause - Google Patents
A kind of VR glasses can be automatically controled broadcasting and pause Download PDFInfo
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- CN209417429U CN209417429U CN201920173305.0U CN201920173305U CN209417429U CN 209417429 U CN209417429 U CN 209417429U CN 201920173305 U CN201920173305 U CN 201920173305U CN 209417429 U CN209417429 U CN 209417429U
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- glasses
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- display screen
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Abstract
The utility model provides a kind of VR glasses that can be automatically controled broadcasting and pause, by the way that at least one range sensor is arranged on the VR glasses, detect the distance between the VR glasses and face of user, and it is sent to the control mechanism on the circuit board of the VR glasses in real time, to judge whether the VR glasses are worn on the head of user.Only when the VR eyeglasses-wearing is when the head of user, for the distance in the range of setting, control mechanism just connects display screen, plays video image；And when it is described apart from it is larger when, the control mechanism judges that the VR glasses are removed, and is automatically stopped broadcasting video image, cutting and being electrically connected between display screen.VR glasses provided herein, by monitoring the wearing state of the VR glasses in real time, to automatically control the broadcasting and pause of video image in the VR glasses.Increasing VR glasses improves the usage experience of VR glasses to the adaptability of usage scenario, and saves the electric quantity consumption of the VR glasses.
Description
Technical field
The utility model relates to VR optometric technology field more particularly to a kind of VR that can be automatically controled broadcasting and pause
Glasses.
Background technique
With the rapid development of science and technology, the digital product of virtual reality device, intelligent wearable device etc. is more and more, intelligence
It can live and constitute the development trend of future society.And man-machine interactive system constitutes the important component of Intelligent life.
Virtual reality head-mounted display apparatus (Virtual Reality headset), abbreviation VR are aobvious, and also referred to as VR
Mirror is a kind of closing to extraneous vision, the sense of hearing by people using head-mounted display apparatus, and guidance user generates one kind in void
Feeling in near-ring border.Its displaying principle is the image that right and left eyes screen shows right and left eyes respectively, and human eye obtains this with poor
Three-dimensional sense is generated in brain after different information.VR glasses be using emulation technology and computer graphics, human-machine interface technology,
The product of the multiple technologies set such as multimedia technology, sensing technology, network technology is by computer and newest sensor technology
The brand-new human-computer interaction means of one kind of creation.
The VR glasses that can be touched on the market at present are generally divided into three classes, and circumscribed head shows equipment, integral type head shows and sets
Standby, mobile end shows equipment.Wherein, mobile end shows equipment, not built-in display, and collocation mobile phone uses, and utilizes mobile phone
Display screen show；Integral type head shows equipment, i.e. VR all-in-one machine, while including display and processing structure, can not depend on
It works independently in external equipment, but the performance of its processing structure is often not so good as the chip of computer.In comparison, external
Formula head shows and is built-in with display in equipment, but usually not handles chip, needs to connect high performance PC by data line, by PC
Processor handle and generate image data after, then the circumscribed head is sent to by data line and shows equipment, by built-in aobvious
Show that device is shown.
All VR glasses, are all the heads for being worn on user, and the human eye of user is watched on display screen by eyepiece
Display image the opening of a light transmission is directly set in the position of eyepiece alternatively, in some simple situations.Its optical path
Scheme the image as shown in Figure 1, on display screen 10, on the human eye 40 for converging to user after the refraction of the first time of eyepiece 110,
It is converged on the vision macula lutea of human eye using second of refraction of human lens, forms clearly image, human eye another mistake
Optical path by image projection to outside, the biggish virtual image 20 is formed, to generate feeling on the spot in person.
People, if away from keyboard, takes the VR glasses, VR glasses are still in normal play shadow during using VR glasses
Picture, it is necessary to the control system box for suspending play button to manipulate VR equipment is pressed, it is inconvenient for use.
Utility model content
In view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide one kind can be automatically controled broadcasting with temporarily
The VR glasses stopped.
The technical solution of the utility model is as follows:
The utility model discloses a kind of VR glasses that can be automatically controled broadcasting and pause, including shank, the shank
At least one eyepiece is arranged in medial surface, and display screen, display screen described in the eyepiece face is arranged in the lateral surface of the shank；It is described
Shank is equipped with circuit board, and the circuit board includes control mechanism, signal circuit, display screen connection terminal, signal transmission electricity
Road is electrically connected to display screen connection terminal by control mechanism, and display screen connection terminal connects the control circuit of display screen；It is described
VR glasses further include at least one range sensor, are communicated to connect between the range sensor and control mechanism.
Wherein, the communication connection may is that
1) wireless signal connects: the control mechanism is equipped with wireless signal receiving circuit, and the range sensor is equipped with nothing
Line signal transmission circuit；And/or
2) data line connects, and the control mechanism and the range sensor are equipped with data line connection terminal, described
It is connected between the data line connection terminal of control mechanism and the data line connection terminal of the range sensor, by data line.
In an advantageous embodiment, the circuit board further includes control switch, and the control mechanism passes through control switch
Afterwards, it is electrically connected to the display screen connection terminal.
Preferably, the range sensor includes signal projector and signal receiver.
Preferably, the range sensor is set to the medial surface of the shank.
It is highly preferred that the eyepiece is set as two, the position of human eye of face user；Range sensor is set to two
Between the eyepiece.
It is further preferred that the shank of the VR glasses includes inner housing and outer housing, the inner housing and the shell
Body surrounds to form a cavity, and circuit board bracket is equipped in the cavity, and the circuit board bracket is located at the top of display screen, institute
It states circuit board setting to be located on the circuit board bracket, the range sensor is installed on the medial surface of the inner housing.
In a kind of preferred embodiment, region of the inner housing between two eyepieces be equipped with window, it is described away from
It is arranged in the cavity that inner housing and outer housing are formed from sensor, the signal projector and signal of the range sensor receive
Device is towards the window.
In a kind of preferred embodiment, the circuit board bracket includes connecting plate and two sub- brackets, and connecting plate is flat
Row plane, two sub- brackets where eyepiece separate one section of spacing, the top positioned at eyepiece, and connecting plate is fixed on two sub- brackets
On, circuit board is installed on the connecting plate；The inner wall of the inner housing be equipped with invagination card slot, connecting plate towards inner housing one
Side is equipped with fastener, and fastener is inserted into the invagination card slot.
In more preferred embodiment, the inner housing is aligned the window, equipped with the exntension tubs towards the outer housing, away from
It is located in the exntension tubs from sensor.
It is highly preferred that the end that the range sensor stretches out the exntension tubs is equipped with connecting pin, connecting pin and control machine
It is communicated to connect between structure.
Preferably, at least one connecting column is respectively arranged in the left and right ends of the shank, and the connecting column includes shaft, described
The free end of shaft is equipped with socket, and temple or mirror rope are inserted into and are detachably secured in the socket；The Distance-sensing
Device is set to the medial surface of the connecting column.
Preferably, the range sensor is optical distance sensor, infrared distance sensor, ultrasonic distance sensor
One of or it is a variety of.
In a kind of preferred embodiment, the connecting plate is equipped with the second window, and eyepiece is aobvious by the alignment of the second window
Display screen；The inner housing around eyepiece be equipped at least one or more extension, the connecting plate towards the inner housing one
Side is equipped with one or more docking sections around the second window, and extension is correspondingly connected with docking section.
Preferably, the VR glasses further include at least one lighttight hood, and the hood includes a cover bottom
With the cover wall enclosed around the cover bottom perimeter one；The medial surface or lateral surface of the cover bottom shank in parallel, the cover wall wrapping
The eyepiece.
It is highly preferred that the hood is interior eyeshade, cover bottom is covered in the medial surface of shank, and cover bottom corresponds to the position of eyepiece
It sets and is provided with eyepiece mouth, the range sensor is set within the scope of the covering of cover bottom, Distance-sensing described in the face of the cover bottom
Device is equipped with sensor openings.
Or it is highly preferred that the hood is interior eyeshade, cover bottom is covered in the medial surface of shank, and cover bottom corresponds to eyepiece
Position is provided with eyepiece mouth, and the range sensor is set to except the range of cover bottom covering.
It is highly preferred that the hood is outer eyeshade, the outer eyeshade is from the outer sheaths of the VR glasses together in the mirror
The lateral surface of body.
Preferably, the VR glasses further include a nose support, can by least one between the nose support and the shank
Division fixed structure and be detachably connected.
It is highly preferred that it is described can division fixed structure include snap-fastener or thread gluing.
The utility model provides a kind of VR glasses that can be automatically controled broadcasting and pause, by setting on the VR glasses
At least one range sensor is set, the distance between the VR glasses and face of user are detected, and sends in real time
Correlation distance information is to the control mechanism on the circuit board of the VR glasses, to judge whether the VR glasses are worn on use
The head of person, and only when the VR eyeglasses-wearing is when the head of user, the distance is described in the range of setting
Control mechanism just connects the display screen, plays video image on a display screen；And when the control mechanism receives the VR
When the distance between glasses and face are larger, then judge that the VR glasses are removed, be just automatically stopped broadcasting video image, and cut
Disconnected being electrically connected between the display screen.So VR glasses provided herein, by real time monitoring user to described
The wearing state of VR glasses carries out automatically controlling the broadcasting of video image in the VR glasses with pause.Both VR glasses had been increased
To the adaptability of usage scenario, and improve the usage experience of VR glasses, moreover it is possible to save the electric quantity consumption of the VR glasses.
Detailed description of the invention
Fig. 1 is the index path of VR glasses.
Fig. 2 is the overall structure diagram of the VR glasses that can be automatically controled broadcasting and pause of the utility model.
Fig. 3 is that the VR glasses that can be automatically controled broadcasting and pause of the utility model show equipped with the overall structure after hood
It is intended to.
Fig. 4 is the structural schematic diagram of the connecting column of the VR glasses that can be automatically controled broadcasting and pause of the utility model.
In figure, 20. virtual images, 40. human eyes, 100. range sensors, 200. nose supports, 201. nose support fixed structures, 300. mirrors
Body, 302. shank fixed structures, 310. eyepieces, 311. convex lenses, 320. display screens, 325. circuit boards, 350. mirror holders, 351. connect
Connect column, 355. sockets, 360. data-interfaces, 370. outer eyeshades, eyeshade in 380..
Specific embodiment
The utility model provides a kind of VR glasses that can be automatically controled broadcasting and pause, for make the purpose of this utility model,
Technical solution and effect are clearer, clear, referring to the drawings and give an actual example to the utility model further description.It answers
Work as understanding, specific embodiment described herein is only used to explain the utility model, is not used to limit the utility model.
A kind of VR glasses can be automatically controled broadcasting and pause disclosed in the utility model, overall structure as shown in Fig. 2,
Including shank 300, it is worn in front of the human eye of user.At least one eyepiece 310 is arranged in the medial surface of the shank 300,
After user wears the VR glasses, the human eye of the 310 face user of eyepiece.Therefore the eyepiece 310 preferably left and right
Two, the eyes of difference face user.Display screen 320, the 310 face institute of eyepiece is arranged in the lateral surface of the shank 300
State display screen 320.In one more preferably embodiment, when the eyepiece 310 is left and right two, the display screen 320 also phase
Two should be set as, also, the video image played on two display screens 320 in left and right there can also be certain phase difference, from
And constitute stereoscopic effect.
Inside in the application refers to after wearing the VR glasses that the VR glasses face the side of face, and outside refers to back
Side from face.
After user wears the VR glasses, so that it may by the eyepiece 310 to the video played on display screen 320
Image is watched.
The shank 300 include a circuit board 325, the circuit board 325 include control mechanism, signal circuit,
Display screen connection terminal, wherein the signal circuit is electrically connected the display screen connection terminal by the control mechanism.
The broadcasting situation of the display screen 320 can be controlled in real time by the control mechanism, including playing and pause
Control.Especially, the circuit board 325 further includes control switch, the control mechanism by after the control switch, reconnect
To display screen connection terminal, with more convenient manipulation.
It is shown in equipment in circumscribed head, a data-interface 360, the data-interface 360 is also set up on the shank 300
It is also electrically connected to the control mechanism, for connecting external equipment, obtains played data, and be conveyed to by the control mechanism
The display screen 320 is played.
The VR glasses further include at least one range sensor 100, and the range sensor 100 is electrically connected the circuit
Plate 325, for being detected to the distance between the VR glasses and user's face.Specifically, the range sensor 100
By the communication connection between the control mechanism, the range information detected is sent to the control mechanism, thus
Judged by the control mechanism, according to preset value range, judges whether the VR glasses are just worn on user
Head.The judgement specifically: the value range that some distance can be preset in the control mechanism is ordinarily selected to described
Range sensor 100, after the VR eyeglasses-wearing is good, the face of user between at a distance from, along with lower two errors
Value.Its numerical value can be a wider range.In one more preferably embodiment, a play time delay can also be set
Value so that it is guaranteed that user has worn the VR glasses, and is ready to appreciate the video image to be played.It is specific described
Distance value and the error amount can be preset in the control mechanism before factory, and more preferably, in the control machine
In structure, an adjusting entrance can also be provided, be adjusted for user oneself, adapt to more special circumstances to increase.
Wherein, the range sensor 100 can be optical distance sensor, infrared distance sensor or ultrasonic wave away from
It is on sale on the market from one of sensor or a variety of.Usually all include a signal projector and a signal receiver,
The signal includes visible light, infrared ray or ultrasonic signal.Using infrared ray as the benefit of signal is to be more suitable for judgement to lean on
The nearly range sensor 100 is human body or other objects, and because the wavelength of ultrasonic wave is longer, thus use ultrasonic wave away from
Then allowing the installation site of the range sensor 100 from sensor has certain flexibility.
Wherein, the communication connection may is that
1) wireless signal connects: the control mechanism is equipped with wireless signal receiving circuit, and the range sensor 100 is equipped with
Wireless signal transmission circuit；And/or
2) data line connects, and the control mechanism and the range sensor 100 are equipped with data line connection terminal, institute
It states between the data line connection terminal of control mechanism and the data line connection terminal of the range sensor, connected by data line
It connects.
The range sensor 100 is preferably the medial surface for being set to the shank 300, so as to face user's
Face.
Specifically, the shank 300 includes inner housing and outer housing, and the inner housing and the outer housing surround to form one
A cavity, the cavity is interior to be equipped with circuit board bracket, and the circuit board bracket is located at the top of the display screen 320, the electricity
Road plate 325 is set on the circuit board bracket, and the range sensor 100 is installed on the medial surface of the inner housing, i.e.,
On the side of the face of user.
In a kind of preferred embodiment, region of the inner housing between two eyepieces 310 is equipped with window, described
Range sensor 100 is arranged in the cavity that inner housing and outer housing are formed, but the signal of the range sensor 100 emits
Device and signal receiver are towards the window, so as to detect the face of user without barrier.
Specifically, the circuit board bracket includes connecting plate and two sub- brackets, and connecting plate is put down where being parallel to eyepiece 310
Face, two sub- brackets then separate one section of spacing after, be all located at the top of eyepiece 310, and connecting plate is secured to two sub- brackets
On, circuit board 325 is just installed on the connecting plate.Correspondingly, on the inner wall of the inner housing, it is equipped with invagination card slot, even
Fishplate bar is equipped with fastener towards the side of inner housing, and when installation, fastener is inserted into the invagination card slot.To be more fixed the connection
Plate, to guarantee the settling position of the circuit board 325.
In a more preferred embodiment, inner housing is additionally provided with an exntension tubs towards the spacing, and exntension tubs are aligned institute
Window is stated, and range sensor 100 is just set in the exntension tubs, so that also window described in face, guarantees with user's
It is accessible between face.
It is highly preferred that the range sensor 100 stretches out the end of the exntension tubs, it is additionally provided with connecting pin, the connection
Pass through communication connection between end and the control mechanism.
Therefore, the set-up mode of above-mentioned range sensor 100 and circuit board 325 can make full use of eyepiece 310 and show
The distance between display screen 320 space, therefore the thickness of the shank 300 can be reduced.
In a kind of preferred embodiment, the connecting plate can be set larger, be stuck in the surrounding of the eyepiece 310.I.e.
The connecting plate is equipped with the second window, and eyepiece 310 is aligned the display screen 320 by second window；Meanwhile the inner casing
Body is equipped at least one or more extension around the eyepiece 310, and the connecting plate is towards the one of the inner housing
Side is correspondingly provided with one or more docking sections, the extension and the docking section can be with an a pair around second window
It should connect.To further increase the fastness after the circuit board 325 is installed, the fastness of the eyepiece 310 is also increased.
When two eyepieces 310 in setting left and right on the shank 300, the range sensor 100 is preferably arranged
Between two eyepieces 310, so that it may ensure after wearing the VR glasses, then detect the face of user, sentence
The VR glasses that break have been worn, and can start to play video image.
In one more preferably embodiment, range is watched in order to build a dark video image, increases user's
Experience on the spot in person, as shown in figure 3, the VR glasses further include at least one lighttight hood, the hood packet
Include a cover bottom and the cover wall around the cover bottom perimeter one circle；The medial surface or lateral surface of the cover bottom shank 300 in parallel,
The cover wall wraps the eyepiece 310.For example, the hood is selected as interior eyeshade 380, cover bottom is covered in the shank 300
Medial surface, at this point, the position that the cover bottom corresponds to the eyepiece 310 needs to be provided with eyepiece mouth.And the range sensor 100
It can be set except range of the shank 300 at the cover bottom somewhere, but needing to guarantee will not be by the interior eye
Cover 380 is covered or is blocked.And because the interior eyeshade 380 is usually to want big close to the aperture efficiency cover bottom of face, i.e., cover wall can
The medial surface that entire shank 300 can be blocked also blocks the range sensor 100, so, at this point, the range sensor 100
Preferably ultrasonic distance sensor, thus the ability with certain cut-through transmitting signal.Alternatively, the Distance-sensing
Device 100 is preferably arranged within the scope of the cover bottom covering, correspondingly, range sensor 100 described in the face of the cover bottom
It needs to be arranged a sensor openings, with the exposure range sensor 100, signal is avoided to be blocked, influence the sensitive of detection
Degree.
In another more preferably embodiment, the hood is then selected as outer eyeshade 370, and the outer eyeshade 370 is from institute
State lateral surface of the outer sheath together in the shank 300 of VR glasses.Also, in the described embodiment, the outer eyeshade 370 can be with
For a flexible structure, such as black-out cloth, it is only necessary to guarantee with the contact site of face not light leakage, to increase user's pendant
Wear the comfort in head.
In the left and right ends of the shank 300, preferably each at least one connecting column 351 of setting, as shown in figure 4, described
Connecting column 351 includes shaft, and the free end of the shaft is equipped with socket 355, and mirror holder 350, including frame in the people of user
Temple on ear stretches tight in the mirror rope on user head, be inserted into and be detachably secured in the socket 355.At this point, institute
Stating range sensor 100 also can choose to be mounted on the inside of the connecting column 351, thus the side on the head to user
It is detected, because the range sensor 100 is shorter at a distance from head at this time, therefore interference can be reduced, especially with light
When learning range sensor.
In one more preferably embodiment, in order to increase the comfort level of user's wearing, and institute is adjusted to a certain extent
The distance between eyepiece 310 and face are stated, among the lower part of the shank 300, a nose support, the nose support can also be set
Between the shank 300 by least one can division fixed structure, such as snap-fastener or thread gluing are detachably connected.
Meanwhile when the hood is selected as the outer eyeshade 370 of flexible material production, and the mirror holder 350 selects
For temple, so that it may a fixed mechanism is set in the temple, is opened with the cover wall for keeping the outer eyeshade 370 is merged,
Guarantee to seal the contact between the outer eyeshade 370 and face, to build a good viewing environment.
In conclusion the utility model provides a kind of VR glasses that can be automatically controled broadcasting and pause, by described
At least one range sensor 100 is set on VR glasses, the distance between the VR glasses and face of user are examined
It surveys, and sends correlation distance information in real time to the control mechanism on the circuit board 325 of the VR glasses, to judge VR described
Whether mirror is worn on the head of user, and only when the VR eyeglasses-wearing is when the head of user, the distance exists
In the range of setting, the control mechanism just connects the display screen 320, plays video image on display screen 320；And work as institute
State control mechanism receive the distance between the VR glasses and face it is larger when, then judge that the VR glasses are removed, just from
It is dynamic to stop playing video image, and cut off and being electrically connected between the display screen 320.So VR eye provided herein
Mirror, can monitor user in real time to the wearing state of the VR glasses, broadcasting to video image in the VR glasses and temporarily
Stop carrying out automatically controlling.Not only VR glasses had been increased to the adaptability of usage scenario, but also have improved the usage experience of VR glasses, moreover it is possible to save
The electric quantity consumption of the about described VR glasses.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model
The protection scope that benefit requires.
Claims (10)
1. a kind of VR glasses that can be automatically controled broadcasting and pause, which is characterized in that including shank, the medial surface of the shank is set
At least one eyepiece is set, display screen, display screen described in the eyepiece face is arranged in the lateral surface of the shank；
The shank is equipped with circuit board, and the circuit board includes control mechanism, signal circuit, display screen connection terminal, letter
Number transmission circuit is electrically connected to display screen connection terminal by control mechanism, and display screen connection terminal connects the control electricity of display screen
Road；
The VR glasses further include at least one range sensor, communication link between the range sensor and the control mechanism
It connects, including wireless signal connection and/or data line connection.
2. VR glasses according to claim 1, which is characterized in that the circuit board further includes control switch, the control
Mechanism pass through control switch after, be electrically connected to the display screen connection terminal.
3. VR glasses according to claim 1, which is characterized in that the range sensor is set to the inside of the shank
Face.
4. VR glasses according to claim 3, which is characterized in that the eyepiece is set as two, and face user's is double
Eye position；The range sensor is set between two eyepieces.
5. VR glasses according to claim 4, which is characterized in that the shank includes inner housing and outer housing, it is described in
Shell and the outer housing surround to form a cavity, and circuit board bracket is equipped in the cavity, and the circuit board bracket is located at
The top of display screen, the circuit board setting are located on the circuit board bracket, and the range sensor is installed on the inner casing
On the medial surface of body.
6. VR glasses according to claim 5, which is characterized in that region of the inner housing between two eyepieces is equipped with
Window, the range sensor are arranged in the cavity that inner housing and outer housing are formed, and the signal of the range sensor emits
Device and signal receiver are towards the window.
7. VR glasses according to claim 6, which is characterized in that the inner housing is aligned the window, is equipped with towards institute
The exntension tubs of outer housing are stated, the range sensor is located in the exntension tubs.
8. VR glasses according to claim 1, which is characterized in that at least one company is respectively arranged in the left and right ends of the shank
Column is connect, the connecting column includes shaft, and the free end of the shaft is equipped with socket, and temple or mirror rope are inserted into and removably consolidate
Due in the socket；The range sensor is set to the medial surface of the connecting column.
9. VR glasses according to claim 1, which is characterized in that the range sensor is optical distance sensor, red
One of outer range sensor, ultrasonic distance sensor are a variety of.
10. VR glasses according to any one of claims 1 to 9, which is characterized in that further include at least one lighttight shading
Cover, the hood include a cover bottom and the cover wall around the cover bottom perimeter one circle；The cover bottom shank in parallel it is interior
Side or lateral surface, the cover wall wrap the eyepiece；On the cover bottom between the range sensor and face, face
The range sensor, is additionally provided with sensor openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920173305.0U CN209417429U (en) | 2019-01-31 | 2019-01-31 | A kind of VR glasses can be automatically controled broadcasting and pause |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920173305.0U CN209417429U (en) | 2019-01-31 | 2019-01-31 | A kind of VR glasses can be automatically controled broadcasting and pause |
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| Publication Number | Publication Date |
|---|---|
| CN209417429U true CN209417429U (en) | 2019-09-20 |
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| CN201920173305.0U Active CN209417429U (en) | 2019-01-31 | 2019-01-31 | A kind of VR glasses can be automatically controled broadcasting and pause |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081488A (en) * | 2019-12-09 | 2020-04-28 | 河北汉光重工有限责任公司 | Adjustable microswitch for preventing light leakage of visual system of handheld observation instrument |
| CN114469515A (en) * | 2022-03-31 | 2022-05-13 | 欧普康视科技股份有限公司 | Intelligent amblyopia covering eyeshade |
-
2019
- 2019-01-31 CN CN201920173305.0U patent/CN209417429U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081488A (en) * | 2019-12-09 | 2020-04-28 | 河北汉光重工有限责任公司 | Adjustable microswitch for preventing light leakage of visual system of handheld observation instrument |
| CN111081488B (en) * | 2019-12-09 | 2022-04-08 | 河北汉光重工有限责任公司 | Adjustable microswitch for preventing light leakage of visual system of handheld observation instrument |
| CN114469515A (en) * | 2022-03-31 | 2022-05-13 | 欧普康视科技股份有限公司 | Intelligent amblyopia covering eyeshade |
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