CN207704395U - Handle, Augmented reality display system and wear display system - Google Patents
Handle, Augmented reality display system and wear display system Download PDFInfo
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- CN207704395U CN207704395U CN201820040952.XU CN201820040952U CN207704395U CN 207704395 U CN207704395 U CN 207704395U CN 201820040952 U CN201820040952 U CN 201820040952U CN 207704395 U CN207704395 U CN 207704395U
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- handle
- remote control
- main body
- renovate
- light source
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Abstract
The utility model provides a kind of handle, augmented reality display system and wears display system.The handle includes remote control main body, renovates and rotating mechanism.It renovates and is provided with multiple light sources used for positioning.Between rotating mechanism is connected to remote control main body and renovates, conjunction can be opened or cover with respect to remote control main body by making to renovate.When the handle is only used for 3DOF positioning, can make it is described renovate the relatively described remote control body cover conjunction, it is user-friendly.When the handle is positioned for 6DOF, can make it is described renovate the relatively described remote control main body and open, light the light source for being set to and renovating and realize that 6DOF is positioned.And after user has used the handle, can make it is described renovate the relatively described remote control body cover and close, reduction handle volume facilitates user to store.
Description
Technical field
The utility model is related to virtual reality/augmented reality input equipment technical fields, in particular to a kind of hand
Handle, augmented reality display system and wear display system.
Background technology
With flourishing for head-wearing display device, the handle for controlling head-wearing display device is also flourishing.Currently, existing
The handle of some control head-wearing display devices is usually 3DOF in the majority, and 6DOF also progresses into people's life.6DOF handles are general
It is that multiple light sources used for positioning are added on the basis of 3DOF handles, the multiple light captured by calculating head-wearing display device
The movement locus that the pose in source changes to determine handle realizes 6DOF functions.
Existing 6DOF handles multiple light sources used for positioning are generally positioned on an annulus, and the annulus and remote control main body are solid
Fixed connection.Since the size of the annulus is generally large (the bracelet outer diameter of such as oculus touch is more than 10cm), it is not easy to store.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of handle convenient for collecting, augmented reality display systems
And display system is worn, to solve the above problems.
To achieve the above object, the utility model provides the following technical solutions：
The utility model preferred embodiment provides a kind of handle, is applied to control head-wearing display device, and the handle includes
Remote control main body is renovated and rotating mechanism, described renovate are provided with multiple light sources used for positioning, and the rotating mechanism is connected to institute
State remote control main body and between renovating, make it is described renovate can the relatively described remote control main body open or cover conjunction.
In the utility model preferred embodiment, it is described renovate in be provided with from controller, power supply and multiple electronic switches,
Each electronic switch is connected electrically between each light source and power supply, described to be electrically connected from controller with each electronic switch.
In the utility model preferred embodiment, the remote control main body includes master controller, and the rotating mechanism includes turning
Axis and connector, the remote control main body includes the first trepanning, the second trepanning and groove close to one end of the rotating mechanism, described
The both ends of shaft are located at after being each passed through first through hole and the second through-hole in groove, and one end of the connector is solid with the shaft
Fixed connection, the other end are fixedly connected with described renovate, described when renovating the remote control body cover conjunction relatively, described to renovate close institute
The relatively described remote control main body in one end for stating rotating mechanism is paid outward；
Described one end for renovating the close rotating mechanism includes and first be electrically connected from controller group contact, institute
It includes lower arcuate surface that remote control main body, which is stated, close to described rotating mechanism one end, and the lower arcuate surface includes matching with first group of contact
The second group of contact closed, second group of contact be electrically connected with the master controller, and described to renovate the relatively described remote control main body complete
When opening entirely, first group of contact and second group of contact correspond to electrical connection.
Described to renovate including protrusion in the utility model preferred embodiment, first group of contact is set to described convex
On rising, the lower arcuate surface includes recess, and second group of contact is set in the recess.
It is described to renovate when opening completely in the utility model preferred embodiment, it is described renovate where plane with it is described
The dihedral angle that plane where being remotely controlled main body is formed is between 120 °~150 °.
In the utility model preferred embodiment, the light source is infrared light supply.
In the utility model preferred embodiment, the remote control main body includes the circular touch induction zone of protrusion, described to turn over
Lid includes the circular through hole being adapted to the circular touch induction zone, described when renovating lid and closing, and the circular touch incudes position
In in the circular through hole.
The utility model preferred embodiment also provides a kind of augmented reality display system, including augmented reality wears display dress
Set with above-mentioned handle, the augmented reality head-wearing display device includes the light of the light source transmitting of at least one acquisition handle
The camera of line and the side that the light for emitting according to the multiple light source used for positioning is electrically connected with the camera
To the processor for the pose that the handle is calculated.
In the utility model preferred embodiment, the handle further include be set to the circular through hole first light source and
The light of second light source, the first light source and second light source transmitting is orthogonal to the center of circle of the circular through hole.
The utility model preferred embodiment also provides one kind and wearing display system, including head-wearing display device and above-mentioned hand
Handle, the head-wearing display device include the camera of the light of the light source transmitting of at least one acquisition handle and are taken the photograph with described
As the direction calculating that head is electrically connected the light for emitting according to the multiple light source used for positioning obtains the handle
The processor of pose.
When the handle that the utility model embodiment provides is only used for 3DOF positioning, it can make described to renovate the relatively described remote control
Body cover is closed, user-friendly.When the handle is positioned for 6DOF, can make described to renovate the relatively described remote control main body and turn over
It opens, lights the light source for being set to and renovating and realize 6DOF positioning.And after user has used the handle, it can make described to renovate phase
The remote control body cover is closed, reduces handle volume, user is facilitated to store.
The augmented reality display system and to wear display system include above-mentioned handle that the utility model embodiment provides, thus
With similar advantageous effect.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram for handle that the utility model preferred embodiment provides.
Fig. 2 is the back view renovated shown in Fig. 1.
Fig. 3 is that the circuit renovated in an embodiment connects block diagram.
Fig. 4 is that the circuit of handle in an embodiment connects block diagram.
Fig. 5 is the structural schematic diagram of handle in an embodiment.
Fig. 6 is the structural schematic diagram at another visual angle of handle shown in Fig. 5.
Fig. 7 is the structural schematic diagram at another visual angle of handle shown in Fig. 5.
Fig. 8 is the structural schematic diagram of handle in another embodiment.
Fig. 9 is the structural schematic diagram at another visual angle of handle shown in Fig. 8.
Figure 10 is the structural schematic diagram of handle in another embodiment.
Figure 11 is a kind of block diagram for wearing display system that the utility model preferred embodiment provides.
Figure 12 is the block diagram that a kind of augmented reality that the utility model preferred embodiment provides wears display system.
Figure 13 is the structural schematic diagram of handle shown in Figure 12 in an embodiment.
Icon:1- handles；10- is remotely controlled main body；30- is renovated；50- rotating mechanisms；31- light sources；32- is from controller；33- electricity
Source；34- electronic switches；11- master controllers；51- shafts；52- connectors；The first trepannings of 12-；The second trepannings of 13-；14- grooves；
The first group of contact 35-；15- lower arcuate surfaces；The second group of contact 16-；36- protrusions；17- is recessed；18- circular touch induction zones；37-
Circular through hole；100- wears display system；2- head-wearing display devices；The first cameras of 21-；22- first processors；200- enhances
Real display system；4- augmented reality head-wearing display devices；41- second cameras；42- second processors；431- infrared photographies
Head；432- infrared LED light sources；38- first light sources；39- second light sources.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched with a variety of different
It sets to arrange and design.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model
Example is applied, the every other embodiment that those skilled in the art are obtained without making creative work belongs to
The range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.In the utility model
In description, term " first ", " second ", " third ", " the 4th " etc. are only used for distinguishing description, and should not be understood as only or imply
Relative importance.
Referring to FIG. 1, Fig. 1 is a kind of schematic diagram for handle 1 that the utility model embodiment provides.The handle 1 can answer
For controlling head-wearing display device 2.The head-wearing display device 2 can be virtual reality head-wearing device and augmented reality head-wearing device
Deng.As shown in Figure 1, the handle 1 includes remote control main body 10, renovates 30 and rotating mechanism 50.
It is described to renovate 30 and be provided with multiple light sources used for positioning 31.The light source 31 can be infrared light supply 31 or common
The LED light that can be captured by camera.The pose and number of the light source 31 can be determined according to actual algorithm, to protect
When card user uses handle 1 with any attitude, the head-wearing display device 2 can be according to the pose clear crank 1 of light source 31
Pose.In the present embodiment, the number and posture of light source 31 are as depicted in figs. 1 and 2, and Fig. 2 is the back side that 30 are renovated shown in Fig. 1
Figure.For renovating 30 in Fig. 1 and Fig. 2, the circular hole that can also be arranged on 30 and accommodate each light source 31 is renovated, light source 31 can be set
It is placed in the circular hole so that relatively described 30 surfaces of renovating of light source 31 do not protrude or slightly protrude.
Between the rotating mechanism 50 is connected to the remote control main body 10 and renovates 30, enable that described to renovate 30 relatively described
Conjunction is opened or covered to remote control main body 10.When the handle 1 is only used for 3DOF positioning, can make described to renovate the 30 relatively described remote controls and lead
The lid of body 10 closes, user-friendly.When the handle 1 is positioned for 6DOF, can make described to renovate the 30 relatively described remote controls and lead
Body 10 opens, and lights and is set to the light source 31 for renovating 30 realization 6DOF positioning.It, can be with and after user has used handle 1
So that the 30 relatively described lids of remote control main body 10 of renovating is closed, reduces 1 volume of handle, user is facilitated to store.
Optionally, referring to Fig. 3, described renovate is provided in 30 from controller 32, power supply 33 and multiple electronic switches 34,
Each electronic switch 34 is connected electrically between each light source 31 and power supply 33, described from controller 32 and each electronic switch
34 electrical connections.The power supply 33 can be one, can also be two or more, Fig. 3 illustrates only one.It is described from controller
32 are closed or disconnect for controlling each electronic switch 34, then control the light source 31 that each connect with electronic switch 34 it is luminous or
It does not shine, to control the glow frequency of each light source 31.Therefore, the optical signal that different light sources 31 are sent out is different, by wearing
The optical signal that the camera of display device 2 collects can identify the optical signal comes from which light source 31.For example, light
Source 31, which shines, indicates 1, and not shining indicates 0；Or light source 31 does not shine and indicates 1, shines and indicates 0.Each light source 31 can then be made
Optical signals multiple 0 and 1 form, and the 0 of different light sources 31 is different with 1 composition, are acquired by the camera of head-wearing display device 2
0 and 1 obtained composition can identify the optical signal comes from which light source 31.Then, head-wearing display device 2 can pass through
Identify that the variation of 31 pose of light source then obtains the pose variation of handle 1.
It is described renovate 30 may include with the switch button being electrically connected from controller 32, when what is needed using handle 1
When 6DOF functions, switch button is pressed, controlling each light source 31 from controller 32 sends out optical signal for positioning.Make in addition to above-mentioned
It is manually controlled from controller 32 to realize the 6DOF functions of handle 1 with switch button, 30 automatic controls can also be renovated by opening
System is from controller 32 to realize the 6DOF functions of handle 1.
Opening to renovate 30 and automatically control from controller 32 has much in a manner of the 6DOF functions of realizing handle 1.For example,
It renovates 30 and 50 vicinity of rotating mechanism is provided at least one light sensor, at least one light sensor is used for
It senses light intensity and the light intensity sensed is sent to from controller 32.It is described from controller 32 be used for it is described to
When the light intensity that a few light sensor senses reaches preset value, controls each light source 31 and shine by predeterminated frequency, from
And realize the 6DOF functions of handle 1.In another example data contact is respectively set on renovating 30 and remote control main body 10, design is renovated
30 and the data contact in remote control main body 10 pose so that renovate 30 relatively the conjunction of the remote control main bodys 10 lid when, renovate 30 Hes
Data contact in remote control main body 10 does not contact；It is described renovate 30 the remote control main body 10 opened completely relatively when, renovate 30
With the data contact contact in remote control main body 10.When it is implemented, renovating the setting of 30 and the data contact in remote control main body 10
Mode can be as shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9.
Incorporated by reference to Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the remote control main body 10 includes the main control being arranged inside remote control main body 10
Device 11.The rotating mechanism 50 includes shaft 51 and connector 52.The remote control main body 10 is close to the one of the rotating mechanism 50
End includes the first trepanning 12, the second trepanning 13 and groove 14.The both ends of the shaft 51 are each passed through first through hole and second and lead to
It is located in groove 14 behind hole.One end of the connector 52 is fixedly connected with the shaft 51, the other end with described to renovate 30 solid
Fixed connection.It is described when renovating 30 the remote control main bodys 10 lid closing relatively, it is described to renovate 30 close to one end of the rotating mechanism 50
The relatively described 10 outside expenditure of remote control main body.It is described that renovate 30 close to one end of the rotating mechanism 50 include with described from control
First group of contact 35 that device 32 is electrically connected.First group of contact 35 setting it is described renovate 30 relatively the remote control main body 10 to
The part of outer expenditure.The remote control main body 10 includes lower arcuate surface 15 close to 50 one end of the rotating mechanism.The lower arcuate surface
15 include the second group of contact 16 coordinated with first group of contact 35.Second group of contact 16 and 11 electricity of the master controller
Connection.Described when renovating 30 the remote control main body 10 being opened completely relatively, first group of contact 35 and second group of contact 16 are right
It should be electrically connected.Wherein, it is described renovate the 30 relatively described remote control main bodys 10 and open completely refer to the plane renovated where 30 with
The angle of plane where the remote control main body 10 reaches maximum.
Alternatively, please refer to Fig. 8 and Fig. 9, described to renovate 30 include protrusion 36, and first group of contact 35 is set to described convex
It rises on 36, the lower arcuate surface 15 includes the recess 17 with raised 36 cooperation, and second group of contact 16 is set to described
In recess 17.Described when renovating 30 the remote control main body 10 being opened completely relatively, first group of contact 35 enters in recess 17
Electrical connection corresponding with second group of contact 16.
Optionally, described when renovating 30 and opening completely, the plane renovated where 30 and 10 place of the remote control main body
Plane formed dihedral angle between 120 °~150 °.
Optionally, described to renovate referring to Fig. 10, the remote control main body 10 includes the circular touch induction zone 18 of protrusion 36
30 include the circular through hole 37 being adapted to the circular touch induction zone 18, it is described renovate 30 lids close when, the circular touch sense
Area 18 is answered to be located in the circular through hole 37.
1 is please referred to Fig.1, the utility model preferred embodiment also provides one kind and wearing display system 100, including wears display
Device 2 and above-mentioned handle 1.The head-wearing display device 2 includes at least one first camera 21, first camera 21
The light that light source 31 for acquiring the handle 1 emits.The head-wearing display device 2 can be that virtual reality wears display dress
It sets and augmented reality head-wearing display device.The head-wearing display device 2 includes being used for first camera 21 electric connection
The direction calculating of the light emitted according to the multiple light source 31 used for positioning obtains the first processing of the pose of the handle 1
Device 22.
Particularly, when it is described remote control main body 10 include protrusion 36 circular touch induction zone 18, it is described renovate 30 include with
The circular through hole 37 that the circular touch induction zone 18 is adapted to, described when renovating 30 lids and closing, the circular touch induction zone 18
When in the circular through hole 37, the utility model preferred embodiment also provides a kind of augmented reality display system 200, such as Figure 12
It is shown.The augmented reality display system 200 includes augmented reality head-wearing display device 4 and above-mentioned handle 1.The enhancing is existing
Real head-wearing display device 4 includes at least one second camera 41, and the second camera 41 is used to acquire the light of the handle 1
The light that source 31 is sent out.Augmented reality head-wearing display device 4 further includes being electrically connected to be used for basis with the second camera 41
The direction calculating for the light that the multiple light source used for positioning 31 emits obtains the second processor of the pose of the handle 1
42.Augmented reality head-wearing display device 4 can also according to the center of circle of the circular through hole 37 on the pose clear crank 1 of handle 1, after
And circular through hole 37 may be used as device selection user is aimed at and want the article chosen.Specifically, augmented reality is worn aobvious
Showing device 4 further includes the eyeball identification module being electrically connected with the second processor 42.The eyeball identification module may include
Infrared camera 431 and infrared LED light source 432.The infrared light that infrared LED light source 432 emits is reflected into infrared take the photograph by human eye
As head 431 forms human eye infrared image.Human eye infrared image is sent to second processor 42 and carries out eyeball by infrared camera 431
Detection, identifies pose, the direction of gaze etc. where eyeball.Second processor 42 according to where eyeball pose and the side of watching attentively
To in conjunction with the center of the circular through hole 37 of the handle 1, you can obtain user and want the article chosen.
As shown in figure 13, the center of circle of the circular through hole 37 of handle 1 is obtained for convenience, and optionally, the handle 1 further includes
It is set to the first light source 38 and second light source 39 of the circular through hole 37, what the first light source 38 and second light source 39 emitted
Light is orthogonal to the center of circle of the circular through hole 37.It therefore, can be by identifying what first light source 38 and second light source 39 emitted
The intersection point of light identifies the center of circle of circular through hole 37.
The handle 1 that the utility model preferred embodiment provides when being only used for 3DOF positioning, can make that described to renovate 30 opposite
The lid of remote control main body 10 closes, user-friendly.When the handle 1 is positioned for 6DOF, it can make that described to renovate 30 opposite
The remote control main body 10 is opened, and is lighted and is set to the light source 31 for renovating 30 realization 6DOF positioning.And when user has used the hand
After handle 1, the 30 relatively described lids of remote control main body 10 of renovating can be made to close, reduce 1 volume of handle, user is facilitated to store.
It should be understood that the utility model preferred embodiment provide augmented reality display system 200 and wear display system 100
With above-mentioned handle 1, thus there is similar advantageous effect.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of handle, which is characterized in that be applied to control head-wearing display device, the handle include remote control main body, renovate and
Rotating mechanism, described renovate are provided with multiple light sources used for positioning, and the rotating mechanism is connected to the remote control main body and turns over
Between lid, make it is described renovate can the relatively described remote control main body open or cover conjunction.
2. handle according to claim 1, which is characterized in that it is described renovate in be provided with from controller, power supply and multiple
Electronic switch, each electronic switch is connected electrically between each light source and power supply, described from controller and each electronic cutting
Powered-down connection.
3. handle according to claim 2, which is characterized in that the remote control main body includes master controller, the whirler
Structure includes shaft and connector, the remote control main body close to one end of the rotating mechanism include the first trepanning, the second trepanning and
Groove, the both ends of the shaft are located at after being each passed through first through hole and the second through-hole in groove, one end of the connector with
The shaft is fixedly connected, the other end is fixedly connected with described renovate, described when renovating the relatively described remote control body cover and closing, described
The relatively described remote control main body in one end renovated close to the rotating mechanism is paid outward；
Described one end renovated close to the rotating mechanism include with first be electrically connected from controller group contact, it is described distant
It includes lower arcuate surface that main body, which is controlled, close to described rotating mechanism one end, and the lower arcuate surface includes coordinating with first group of contact
Second group of contact, second group of contact are electrically connected with the master controller, described to renovate the relatively described remote control main body and turn over completely
When opening, first group of contact and second group of contact correspond to electrical connection.
4. handle according to claim 3, which is characterized in that described to renovate including protrusion, first group of contact setting
In in the protrusion, the lower arcuate surface includes recess, and second group of contact is set in the recess.
5. according to claim 1-4 any one of them handles, which is characterized in that it is described to renovate when opening completely, it is described to renovate
The dihedral angle that plane where the plane at place and the remote control main body is formed is between 120 °~150 °.
6. according to claim 1-4 any one of them handles, which is characterized in that the light source is infrared light supply.
7. according to claim 1-4 any one of them handles, which is characterized in that the remote control main body includes that the circle of protrusion is touched
Touch induction zone, described to renovate the circular through hole including being adapted to the circular touch induction zone, described when renovating lid and closing, the circle
Shape touch-sensitive area is located in the circular through hole.
8. a kind of augmented reality display system, which is characterized in that described in augmented reality head-wearing display device and claim 7
Handle, the augmented reality head-wearing display device includes the camera shooting of the light of the light source transmitting of at least one acquisition handle
Head and the direction calculating that the light for emitting according to the multiple light source used for positioning is electrically connected with the camera obtain
To the processor of the pose of the handle.
9. augmented reality display system according to claim 8, which is characterized in that the handle further include be set to it is described
The light of the first light source and second light source of circular through hole, the first light source and second light source transmitting is orthogonal to described round logical
The center of circle in hole.
10. one kind wearing display system, which is characterized in that including head-wearing display device and claim 1-6 any one of them
Handle, the head-wearing display device include the light of the light source transmitting of at least one acquisition handle camera and with it is described
Camera is electrically connected obtains the handle for the direction calculating of the light according to the multiple light source transmitting used for positioning
Pose processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820040952.XU CN207704395U (en) | 2018-01-10 | 2018-01-10 | Handle, Augmented reality display system and wear display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820040952.XU CN207704395U (en) | 2018-01-10 | 2018-01-10 | Handle, Augmented reality display system and wear display system |
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| Publication Number | Publication Date |
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| CN207704395U true CN207704395U (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820040952.XU Active CN207704395U (en) | 2018-01-10 | 2018-01-10 | Handle, Augmented reality display system and wear display system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112437213A (en) * | 2020-10-28 | 2021-03-02 | 青岛小鸟看看科技有限公司 | Image acquisition method, handle device, head-mounted device and head-mounted system |
| WO2022142403A1 (en) * | 2020-12-31 | 2022-07-07 | 青岛小鸟看看科技有限公司 | Vr system and positioning and tracking method therefor |
-
2018
- 2018-01-10 CN CN201820040952.XU patent/CN207704395U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112437213A (en) * | 2020-10-28 | 2021-03-02 | 青岛小鸟看看科技有限公司 | Image acquisition method, handle device, head-mounted device and head-mounted system |
| US11754835B2 (en) | 2020-10-28 | 2023-09-12 | Qingdao Pico Technology Co., Ltd. | Image acquisition method, handle device, head-mounted device and head-mounted system |
| WO2022142403A1 (en) * | 2020-12-31 | 2022-07-07 | 青岛小鸟看看科技有限公司 | Vr system and positioning and tracking method therefor |
| US11819755B2 (en) | 2020-12-31 | 2023-11-21 | Qingdao Pico Technology Co., Ltd. | VR system and positioning and tracking method of VR system |
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