CN109451224A - A kind of video and audio meeting camera - Google Patents
A kind of video and audio meeting camera Download PDFInfo
- Publication number
- CN109451224A CN109451224A CN201811441261.1A CN201811441261A CN109451224A CN 109451224 A CN109451224 A CN 109451224A CN 201811441261 A CN201811441261 A CN 201811441261A CN 109451224 A CN109451224 A CN 109451224A
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- CN
- China
- Prior art keywords
- masking device
- control
- camera
- video
- camera module
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
Abstract
The present invention relates to audio-video field more particularly to a kind of video and audio meeting cameras.Including camera module, masking device and control and processing unit, the masking device system that the present invention uses changes its light transmission state through circuit control mode, therefore manipulates without the use of dynamic power machine and transmission mechanism, therefore makes its simple structure and save space.After masking device of the invention becomes impermeable light state, it being capable of the camera lens of force disconnect camera module and the optical path of photosensitive element, therefore achieve the purpose that camera module is forced to stop filmed image, and camera module is effectively prevent to be leaked by image after malice software or hacker's intrusion.In the embodiment of the present invention, in the state that masking device is set to camera module outside, user can distinguish whether masking device covers up the camera lens of camera module in such a way that mesh is known easily, and user is made clearly to know whether camera module carries out filmed image.
Description
Technical field
The present invention relates to audio-video field more particularly to a kind of video and audio meeting cameras.
Background technique
With Smartphone, tablet computer it is universal, everyone may grow on trees camera in living space
In the presence of, and since network communication technology is flourishing and community software rises, video signal communication is carried out using network video camera, or
It is to carry out network meeting to have become fairly popular at present communication and dissemination of information mode.In addition, through network transmission image
Technology prosperity enhances the network savvy of video camera, and traditional monitoring video camera is also gradually combined with cloud technology.Cause
This, people living space and daily life system are likely to be shot by camera at any time, and then spread out via network.And
And have occurred in recent years a lot of because the implantation of malice software or hacker's malice invade, and the thing that private image is leaked
Part occurs, therefore causes the doubt that people endanger photographic device individual privacy.
However, imaging monitoring is the behavior pattern long lasting for property, but often has with individual privacy and conflict, user is sometimes
It is not desired to be supervised, monitor is powered off into certainly most straightforward approach, but can often forget telegram in reply after powering off, so that demand image provides
Also it cannot get data when material, and hidden as far as possible since present video camera all designs, whether user does not know video camera genuine yet
It has powered off.
Therefore, quite a lot of photographic device increases the function of secret protection on the market at present, existing photographic device it is hidden
Private safeguard measure, majority are that photographic device is controlled when being not intended to be photographed for user using software control mode
Stop shooting.However software control mode is used it is possible to because formula executes not exclusively or malice software and astonished
Visitor attacks and fails, as long as other people are possible to pass network distal end starting photographic device and spy upon him because not cutting off the power
People's privacy, therefore can not completely effectively reach the effect of protecting user's privacy.In addition, user can not distinguish from appearance intuition
Whether photographic device continues in filmed image, so that operator can not really feel at ease, therefore this kind of commercial product is for user
The protection of privacy is still not enough completely.
In addition, the masking device (such as shutter, covering lid) that some existing photographic device uses entity is made
For the technological means of privacy protection, this kind of masking device can be shielded on the outside of the camera lens of camera module, to force photographic device
Stop filmed image.However the masking device that this kind of existing photographic device uses must be with motor or the driving masking of other mechanisms
Device becomes the state of opening or closing, so that photographic device is because increase masking device and motor-driven machine
Structure, and cause structure is complicated, volume increase, and cost improve the shortcomings that generate.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of video and audio meeting cameras.
The technical solution that the present invention takes to achieve the above object are as follows:
A kind of video and audio meeting camera, it is described to take the photograph including camera module, masking device and control and processing unit
As mould group has camera lens, and photosensitive element corresponding with the camera lens；The masking device is set to light into the camera lens
In the optical path of the photosensitive element, the masking device and driving circuit are electrically connected；The control and processing unit and institute
It states camera module and the driving circuit is electrically connected, to control the masking device selectively through the driving circuit
Formed light-permeable state or can not light transmission state, the masking device have an at least transparent substrate, at least a transparency conducting layer,
And an at least liquid crystal material layer, wherein the transparency conducting layer is located at the one side of the transparent substrate, the liquid crystal material layer
Another side positioned at the transparency conducting layer relative to the transparent substrate, the transparency conducting layer can be with the driving electricity
Road is electrically connected, and the driving circuit applies a voltage in the liquid crystal material layer through the transparency conducting layer, makes the liquid
Brilliant material layer-selective becomes light-permeable state or can not light transmission state.
As a further improvement, further including switch unit, the switch unit and the control and processing unit electrically connect
Connect, with for operator it is described to control to the control and processing unit through one control signal of switch unit input
Masking device is formed selectively light-permeable state or can not light transmission state.
As a further improvement, the switch unit can be selected from touch switch, action sensing device, sound control switch, light
One of inductance inductive switch, key switch, toggle switch, biometric recognition device.It or combinations thereof.
As a further improvement, further including radio receiving unit, the radio receiving unit and the control and processing are singly
Member is electrically connected, and can receive the control signal of wireless launcher sending, and then through the control and processing unit control
It makes the masking device and is formed selectively light-permeable state or can not light transmission state.
As a further improvement, the radio receiving unit can be selected from infra-red signal reception device, RF signal receives
One of device or combinations thereof.
As a further improvement, processing unit further includes connection unit, the control and processing unit penetrate institute
It states connection unit and is connected to a network, the control and processing unit receive one through the connection unit and the network and control
Signal, and then control the masking device through the driving circuit and be formed selectively light-permeable state or can not light transmission shape
State.
As a further improvement, the control and processing unit penetrate memory formula to control the driving circuit, in turn
The masking device, which is controlled, through the driving circuit is formed selectively light-permeable state or can not light transmission state.
As a further improvement, the camera module further has translucent cover, the translucent cover is covered in the camera lens
Outside, the masking device is attached on the translucent cover.
As a further improvement, the camera module is placed in protective shell body, the protection shell has camera shooting window,
The masking device is attached at the camera shooting window.
As a further improvement, the masking device includes an at least transparent protective layer, an at least transparency conducting layer and extremely
A few liquid crystal material layer, wherein the transparent protective layer, the transparency conducting layer and the liquid crystal material layer are respectively with film-type
State is set to the outer surface of the camera lens, and the transparency conducting layer is located at the one side of transparent protective layer, the liquid crystal material
The bed of material is located at another side of the transparency conducting layer relative to the transparent protective layer, the transparency conducting layer and the driving
Circuit is electrically connected, and the driving circuit applies a voltage in the liquid crystal material layer through the transparency conducting layer, is made described
Liquid crystal material layer becomes light-permeable state or can not light transmission state.
The present invention penetrates above-mentioned technology, and having the beneficial effect that for generation is described: 1, the masking device system that the present invention uses is saturating
Oversampling circuit control mode changes its light transmission state, therefore manipulates without the use of dynamic power machine and transmission mechanism, therefore makes its construction letter
Single and saving space.2, after masking device of the invention becomes impermeable light state, it is capable of the camera lens of force disconnect camera module
11 with the optical path of photosensitive element, therefore achieve the purpose that camera module is forced to stop filmed image, and effectively prevent camera module
It is leaked by image after malice software or hacker's intrusion.3, in the embodiment of the present invention, when masking device is set to outside camera module
In the state of portion, user can distinguish whether masking device has blocked the camera lens of camera module in such a way that mesh is known easily
Come, and user is made clearly to know whether camera module carries out filmed image.
Detailed description of the invention
Fig. 1 is the system architecture schematic diagram of photographic device of the present invention.Fig. 2 is the part for the masking device that the present invention uses
Amplification profile organigram.Fig. 3 is the organigram of the first specific embodiment of photographic device of the present invention.Fig. 4 is this
The organigram of second of specific embodiment of invention photographic device.Fig. 5 is the third specific embodiment of photographic device of the present invention
Organigram.Fig. 6 is the organigram of 4th kind of specific embodiment of photographic device of the present invention.Fig. 7 takes the photograph for the present invention
As the organigram of the 5th kind of specific embodiment of device.Fig. 8 is the construction of 6th kind of specific embodiment of photographic device of the present invention
Schematic diagram.Fig. 9 is the organigram of 7th kind of specific embodiment of photographic device of the present invention.Figure 10 is the part IX of Fig. 9
Enlarged local section organigram.
Specific embodiment
A specific embodiment of the invention is made a detailed explanation with reference to the accompanying drawing.
As shown in Figure 1, a kind of video and audio meeting camera, which includes camera module 10, masking device 20 and control
System and processing unit 30.Wherein masking device 20 can be controlled and processing unit 30 controls, and need to protect privacy in user
When by the camera lens of camera module 10 shooting visual field blocking, and make camera module 10 that can not take image, made with reaching protection
The purpose of user's privacy.
As shown in Fig. 2, the camera module 10 has camera lens 11, and sent out with described 11 corresponding photosensitive element of camera lens 13
The bright camera module 10 used can be a plurality of types of photographic devices, such as: network video camera (Web Camcra), networking are taken the photograph
Various types of video cameras such as shadow machine (IP CAM), mobile phone photographic mould group, motion photography machine, machine of taking photo by plane, monitoring video camera.
The masking device 20 can use for one kind and selectively be adjusted to light transmission or opaque shape between energization or no power
The element of state can be a light modulation film, or can utilize voltage or the optical element of current control, masking device 20 for one
It is connected with one drive circuit 21, and the control of circuit 21 can be driven and form light transmission state or impermeable light state.Such as Fig. 2 institute
Show, be a specific embodiment of masking device 20 of the invention, in the embodiment, masking device 20 is a light modulation film, construction
It is set to including one or two transparent substrate 201 and one or two transparency conducting layers 203, the transparency conducting layer 203
The one side of bright substrate 201 and a liquid crystal material layer 202, the liquid crystal material layer 202 are set to the transparency conducting layer
203 another side relative to the transparent substrate 201.Wherein transparency conducting layer 203 and driving circuit 21 are electrically connected, driving
One voltage signal can be transmitted to liquid crystal material layer 202 through transparency conducting layer 203 by circuit 21, and the variation through voltage makes institute
State that liquid crystal material layer 202 is alternative to become light-permeable state or can not light transmission state.The principle that the present invention uses, for that will hide
It covers device 20 and is set to light and enter on the light conduction path of camera module group lens 11 and photosensitive element 13, when masking device 20
For under light-permeable state, light can via 11 projection imaging of camera lens on photosensitive element 13, enable camera module 10 just
The movement of filming image often is carried out, and when operator's camera module 10 to be made stops filmed image movement, then described in control
Masking device 20 can become impermeable light state, to ensure that camera module 10 can not continue filmed image, and then reach privacy screening
The effect of gear.
The control and processing unit 30 are electrically connected with camera module 10 and driving circuit 21 respectively, to control camera shooting
The control of mould group 10 and driving circuit 21 and signal handle maincenter.Control and processing unit 30 can export a control signal
To driving circuit 21, and then the masking device 20 is controlled through driving circuit 21 and is formed selectively light-permeable state or can not
Light transmission state.
As shown in Figure 1, control and processing unit 30 can connect a switch unit 31, user can penetrate the switch
One control signal of the input of unit 31 is to the control and processing unit 30, to control the camera module 10 starting or close, and
And control masking device 20 is formed selectively light-permeable state or can not light transmission state.
The switching device that the switch unit 31 can take various forms, such as: the switch unit 31 can be biography
The key switch or toggle switch of system, so that user controls masking device 20 with manual manipulation mode；In another example switch unit
31 can use touch switch, whether operator is acted using touch control manner control masking device 20；In another example opening
Closing unit 31 can be various forms of switches such as sound control switch, photoelectric sensor switch, and operator is penetrated
Whether voice control or optoelectronic induction mode control the movement of masking device 20.In addition, using motion sensor as switch
The switching device of unit 31 is also feasible program, and when switch unit 31 is motion sensor, operator can penetrate special hand
Gesture mode of operation so that stating control and one control signal starting of the reception of processing unit 30 or closing camera module 10, and then controls
Masking device 20 is formed selectively light-permeable state or can not light transmission state.In addition, switch unit 31 can also be using biology
Identification (such as: identification of fingerprint, human face recognition, iris identification) mode is manipulated.
Control and processing unit 30 can also further connect a radio receiving unit other than connection switch unit 31
32 and a connection unit 33 to connect network 40.Wherein radio receiving unit 32 and the control and processing unit 30
It is electrically connected, the control signal of wireless launcher sending can be received, and then control through the control and processing unit 30
It makes the masking device 20 and is formed selectively light-permeable state or can not light transmission state.The radio receiving unit 32 can be
Various types of wireless signal reception devices, such as infrared receiver or be RF signal reception device, and it is described wireless
Emitter then can be an infrared transmitting device 35, or be a RF transmitter 34.Therefore, control of the invention
And processing unit 30 can cooperate through radio receiving unit 32 and the infrared transmitting device 35 or RF transmitter 34,
To control the movement of masking device 20.Or can cooperate with the Internet of things device operated with radio frequency signal, to carry out
Control the movement of masking device 20.
The control and processing unit 30 can also be connected to a network 40 through the connection unit 33, and described in transmission
Connection unit 33 and the network 40 receive a control signal, and then control the masking device 20 and be formed selectively light-permeable
State can not light transmission state.In this mandatory declaration, the connection type at the connection unit 33 and network 40 can be wired area
Domain network, or be Wireless LAN, or connected using wireless mobile network mode.Therefore through connection unit 33 and
Network 40, can with various networked devices, such as electronic apparatus 36 (such as: mobile phone, handheld PC or wearing electronic device
Deng), or be information device 37 (such as: PC, family's information or media servomechanism), therefore the present invention can be through shifting
Software on dynamic electronic device 36 or information device 37 carries out the running of control masking device 20.
Certainly, masking device 20 of the invention can also be directed through the application journey of 30 internal reservoir of control and processing unit
Formula or software are controlled.Such as from control and the control software setting field data of scheduling of 30 internal reservoir of processing unit, in specific time
Automatically control masking device 20 become can not light transmission state, with force camera module 10 stop filmed image.
Next as shown in Figures 3 to 10, then it is set to for masking device 20 of the invention various on camera module 10
Different alternate embodiments.
Wherein embodiment as shown in Figure 3, the masking device 20 is a light modulation film, and is directly posted by the camera module
The front of 10 camera lens 11.Therefore when masking device 20 is become light transmission by control (such as camera module 10 is under electrical condition)
Under state, light can pass through from the camera lens 11 of camera module 10, and enable 10 normal photographing image of camera module, instead
It, when masking device 20 by control (such as camera module 10 is under outage condition) become impermeable light state-under, light just by
Masking, and make camera module 10 that can not continue filmed image.And since masking device 20 is impermeable light state, so user
(operator) can intuitively know camera module 10 to stop shooting state, in addition to user (operator) can pacify very much very much
Outside heart privacy is protected, and clearly know that camera module 10 is in off-position, so working as user (operator) at this time
When being intended to restore shooting, it can continue to clap as long as making camera module 10 be powered again and being changed into light transmission state to control masking device 20
It takes the photograph.In short, the present embodiment uses light modulation film for masking device 20, it is powered transparent, the characteristic of obstructed electrospray using light modulation film,
Achieve the effect that privacy screen.
Embodiment as shown in Figure 4, wherein masking device 20 is set among a filter frame 22, and filter frame 22 has an outer spiral shell
Line 221, and the internal screw thread 111 of the cooperation of external screw thread 221 of one and filter frame 22 is equipped in front of camera lens 11, therefore filter frame 22 can
It locks in the front of camera lens 11, and penetrates the front that masking device 20 is set to the camera lens 11 of camera module 10 by filter frame 22.
Embodiment as shown in Figure 5, wherein the inside of camera lens 11 has multi-disc eyeglass 12, and mirror is then arranged in the masking device 20
Inside first 11, and between multi-disc eyeglass 12, therefore can control light whether can be from camera lens 11 through masking device 20
Pass through.
Embodiment as shown in Figure 6 is then that masking device 20 is set to inside camera module 10 by selection, and masking device 20
Whether the position of setting can control 11 pick-up image of camera lens and can between the camera lens 11 and the photosensitive element 13
It enough focuses on photosensitive element 13.
In another example shown in Fig. 7, apply to the specific embodiment of a spherical video camera for the technology of the present invention, in the embodiment,
Camera module 10 is set on a pedestal 14, and a transparent cover 15 is arranged on the outside of pedestal 14, and transparent cover 15 is fully covered in
The outside of camera module 10 and camera lens 11.The inner and/or outer side of transparent cover 15 is pasted with the masking device 20, therefore works as
When masking device 20 becomes impermeable light state, transparent cover 15 just becomes impermeable light state therewith, and makes 10 nothing of camera module
Method continues filmed image.
Such as embodiment illustrated in fig. 8, wherein the camera module 10 is set in a protection shell 16, protection shell 16 has
There is a camera shooting window 17, the camera lens 11 of camera module 10 enables camera module 10 through camera shooting in alignment with camera shooting window 17
Window 17 shoots external image.The embodiment masking device 20 is set at the camera shooting window 17 of protection shell 16, therefore is worked as
When masking device 20 becomes impermeable light state, camera shooting window 17 just becomes impermeable light state therewith, and makes 10 nothing of camera module
Method continues filmed image.
For another example Fig. 9 and embodiment illustrated in fig. 10 are then by each material layer of masking device 20 directly to deposit or be coated with
Processing procedure takes shape in the lateral surface of the eyeglass 12 of the camera lens 11 of camera module 10.As shown in figure 9, in the embodiment, masking device 20
With one or two transparent protective layer 201a, one or two transparency conducting layer 203a, and an at least liquid crystal material layer 202a.
Wherein the transparent protective layer 201a, transparency conducting layer 203a and liquid crystal material layer 202a take shape in mirror respectively with film shape
The surface of piece 12, and transparency conducting layer 203a is set to the one side of transparent protective layer 201a, and the liquid crystal material layer 202a
It is set to another side of the transparency conducting layer 203a relative to transparent protective layer 201a.The transparency conducting layer 203a and drive
Dynamic circuit 21 is electrically connected, therefore the driving circuit 21 can apply a voltage in liquid crystal material via transparency conducting layer 203a
Layer 202a, so that liquid crystal material layer 202a alternative becomes light-permeable state or can not light transmission state.
Claims (10)
1. a kind of video and audio meeting camera, described including camera module, masking device and control and processing unit
Camera module has camera lens, and photosensitive element corresponding with the camera lens；The masking device is set to light into the mirror
In the optical path of head and the photosensitive element, the masking device and driving circuit are electrically connected；It is described control and processing unit and
The camera module and the driving circuit are electrically connected, to control the masking device selectivity through the driving circuit
Ground forms light-permeable state or can not light transmission state, it is characterised in that: the masking device has an at least transparent substrate, at least
One transparency conducting layer, and an at least liquid crystal material layer, wherein the transparency conducting layer is located at the one side of the transparent substrate, institute
It states liquid crystal material layer and is located at another side of the transparency conducting layer relative to the transparent substrate, the transparency conducting layer can
It is electrically connected with the driving circuit, the driving circuit applies a voltage in the liquid crystal material through the transparency conducting layer
Layer makes the liquid crystal material layer-selective become light-permeable state or can not light transmission state.
2. a kind of video and audio meeting camera according to claim 1, it is characterised in that: it further include switch unit, institute
It states switch unit and the control and processing unit is electrically connected, with so that operator is through one control of switch unit input
Signal is formed selectively light-permeable state controlling the masking device to the control and processing unit or can not light transmission
State.
3. a kind of video and audio meeting camera according to claim 2, it is characterised in that: the switch unit can be selected from
Touch switch, action sensing device, sound control switch, photoelectric sensor switch, key switch, toggle switch, biological characteristic identification
One of device or combinations thereof.
4. a kind of video and audio meeting camera according to claim 2, it is characterised in that: further include wireless receiving list
Member, the radio receiving unit and the control and processing unit are electrically connected, and can receive wireless launcher sending
It controls signal, and then controls the masking device through the control and processing unit and be formed selectively light-permeable state or not
Light-permeable state.
5. a kind of video and audio meeting camera according to claim 4, it is characterised in that: the radio receiving unit can
Selected from one of infra-red signal reception device, RF signal reception device or combinations thereof.
6. a kind of video and audio meeting camera according to claim 2, it is characterised in that: processing unit further wraps
Connection unit is included, the control and processing unit penetrate the connection unit and be connected to a network, the control and processing unit
A control signal is received through the connection unit and the network, and then controls the masking device through the driving circuit
It is formed selectively light-permeable state or can not light transmission state.
7. a kind of video and audio meeting camera according to claim 2, it is characterised in that: the control and processing unit
Through memory formula to control the driving circuit, and then the masking device selectivity landform is controlled through the driving circuit
At light-permeable state or can not light transmission state.
8. a kind of video and audio meeting camera described in -7 any one according to claim 1, it is characterised in that: the camera shooting
Mould group further has translucent cover, and the translucent cover is covered in the outside of the camera lens, and the masking device is attached at described
On bright cover.
9. a kind of video and audio meeting camera described in -7 any one according to claim 1, it is characterised in that: the camera shooting
Mould group is placed in protective shell body, and the protection shell has camera shooting window, and the masking device is attached at the camera shooting window
Place.
10. a kind of video and audio meeting camera according to claim 1, it is characterised in that: the masking device includes
An at least transparent protective layer, at least a transparency conducting layer and at least a liquid crystal material layer, wherein the transparent protective layer, described
Transparency conducting layer and the liquid crystal material layer are set to the outer surface of the camera lens respectively with film shape, and described transparent
Conductive layer is located at the one side of transparent protective layer, and the liquid crystal material layer is located at the transparency conducting layer relative to the transparent guarantor
The another side of sheath, the transparency conducting layer and the driving circuit are electrically connected, and the driving circuit is through described transparent
Conductive layer applies a voltage in the liquid crystal material layer, and the liquid crystal material layer is made to become light-permeable state or can not light transmission shape
State.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811441261.1A CN109451224A (en) | 2018-11-29 | 2018-11-29 | A kind of video and audio meeting camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811441261.1A CN109451224A (en) | 2018-11-29 | 2018-11-29 | A kind of video and audio meeting camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109451224A true CN109451224A (en) | 2019-03-08 |
Family
ID=65555132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811441261.1A Pending CN109451224A (en) | 2018-11-29 | 2018-11-29 | A kind of video and audio meeting camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109451224A (en) |
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| CN112584003A (en) * | 2019-09-29 | 2021-03-30 | 陈跃 | Privacy protection cover for camera lens |
| CN113315895A (en) * | 2021-05-19 | 2021-08-27 | 北京石头世纪科技股份有限公司 | Camera device and method for self-moving equipment |
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Application publication date: 20190308 |