CN107991831A - Underwater photography equipment - Google Patents
Underwater photography equipment Download PDFInfo
- Publication number
- CN107991831A CN107991831A CN201711286402.2A CN201711286402A CN107991831A CN 107991831 A CN107991831 A CN 107991831A CN 201711286402 A CN201711286402 A CN 201711286402A CN 107991831 A CN107991831 A CN 107991831A
- Authority
- CN
- China
- Prior art keywords
- magnet
- module
- case body
- transmission case
- underwater photography
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/08—Waterproof bodies or housings
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/26—Power supplies; Circuitry or arrangement to switch on the power source; Circuitry to check the power source voltage
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Structure And Mechanism Of Cameras (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a kind of underwater photography equipment.The underwater photography equipment includes sequentially connected active transmission case body, slave drive babinet and waterproof video camera, further include the second magnet being arranged in the slave drive babinet and sequentially connected power supply being arranged in the active transmission case body, motor and the first magnet, the active transmission case body is all-sealed structure, the driven shaft is connected with slave drive babinet by waterproof sealing bearing, the charge port being connected with the power supply is additionally provided with the active transmission case body, the waterproofing grade of the charge port is IP68.The underwater photography equipment of the application, the magnetic coupling between the first magnet and the second magnet can be passed through, realize just can not carry out the transmission of power and torque by directly contacting between driving shaft and driven shaft, the dynamic sealing of active transmission case body can be turned to static seal, realize zero leakage, strengthen water-proof function, be particularly suitable for working under water.
Description
Technical field
The present invention relates to machinery field.More particularly to a kind of underwater photography equipment.
Background technology
Underwater photography shooting is that global film, TV, advertisement, scientific research, physical culture, teaching and Professional Photography mechanism etc. need to clap
The problem of often encountering when taking the photograph and record underwater scene, associated solutions are that photographer or cameraman must descend water, are held
Seal closure equipped with camera or video recorder, the result is that photograph and video recording cannot be made one by people's simultaneously operating, breathing problem
Enter water limited time, water temperature problem also makes one angle of incidence limitation, buoyancy problem cause body movement difficult and arrive shooting angle by
Limit.
It is above-mentioned due to counter productive caused by manual operation in order to reduce, use mechanical transmission structure control in correlation technique
Underwater waterproof video camera is made, realizes the change of the shooting angle of video camera, but drives the machine power of camera motion to pass
It is by tightly engaging between object plane mostly to pass, and is completed by mutual contact friction.Traditional transmission device is all necessary
Moment of torsion is transmitted by interconnecting for driving shaft and driven shaft, can not realize and be fully sealed, equipment can be aggravated and worked under water
When, cause the risk of equipment waterlogged damage.
The content of the invention
The main purpose of the application is to provide a kind of mechanical driving device, existing to solve for driving video camera to work
The problem of mechanical driving device for having underwater photography equipment can not be fully sealed.
To achieve these goals, this application provides a kind of underwater photography equipment, including sequentially connected active to be driven
Babinet, slave drive babinet and waterproof video camera, further include the second magnet being arranged in slave drive babinet and are arranged on
Sequentially connected power supply, motor and the first magnet in the active transmission case body,
First magnet and the active axis connection of motor driving, first magnet and second magnet are opposite
Set, second magnet is connected with driven shaft, and the driven shaft runs through an end face of the slave drive babinet, it is described from
One end of moving axis is connected with second magnet, and the other end is connected with the waterproof video camera,
The active transmission case body is all-sealed structure, and the driven shaft passes through waterproof sealing bearing with slave drive babinet
Connect, be additionally provided with the charge port being connected with the power supply on the active transmission case body, the waterproofing grade of the charge port is
IP。
Further, the waterproof video camera is fixedly connected on the driven shaft by clamping device.
Further, underwater photography equipment further includes the control system being arranged in active transmission case body, the control system
System includes control module, rotating speed module, steering module and communication module, wherein
The rotating speed module is connected with the motor, for controlling the rotating speed of the motor,
The steering module is connected with the motor, for controlling the rotation direction of the motor,
The control module is connected with the waterproof video camera, for controlling the work of the waterproof video camera.
The communication module is connected with the control module, the rotating speed module and the steering module respectively.
Further, in the application underwater photography equipment, the control module is used to send shooting instruction and selection shooting
Type, the type of the shooting includes taking pictures, pan-shot, at least one of time-lapse photography and mirror image.
Further, the underwater photography equipment of the application further includes the remote control being connected with the communication module.
Further, in the application underwater photography equipment, the communication module is bluetooth communication, WIFI communication moulds
Block, 2.4G/3G/4G communication modules, infrared rays communication module, ultrasonic communication module or radar communication module.
Further, the application underwater photography equipment further includes control button, and the control button includes power key and institute
State steering module connection rotate forward control key and reversion control key, the mode selecting key that is connected with the control module and with it is described
The rotating speed control key of rotating speed module connection.
Further, the application underwater photography equipment further includes the handle being connected on the active transmission case body.
Further, in the application underwater photography equipment, the control button is arranged on the outer of the active transmission case body
In portion, the handle or on the remote control.
Further, the application underwater photography equipment is additionally provided with water leakage alarm system, and the water leakage alarm system includes
The tactile water induction device that is arranged in the active transmission case body and/or the slave drive babinet, phonetic alarm and it is arranged at
Buzzer on the remote controler, the tactile water induction device are connected with phonetic alarm, and the phonetic alarm and buzzer connect
Connect.
The underwater photography equipment of the application, can be realized actively by the magnetic coupling between the first magnet and the second magnet
The transmission of power and torque just can not be carried out between axis and driven shaft by directly contacting, can be by the dynamic sealing of active transmission case body
For static seal, zero leakage is realized, strengthen water-proof function, be particularly suitable for working under water.
Brief description of the drawings
The attached drawing for forming the part of the application is used for providing further understanding of the present application so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is used to explain the application, not
Form the improper restriction to the application.In the accompanying drawings：
Fig. 1 is the front view for the underwater photography equipment that an embodiment of the present invention provides；
Fig. 2 is the rearview for the underwater photography equipment that an embodiment of the present invention provides；
Fig. 3 is the left view for the underwater photography equipment that an embodiment of the present invention provides；
Fig. 4 is the bottom view for the underwater photography equipment that an embodiment of the present invention provides；
Fig. 5 is the sectional structure chart for the underwater photography equipment that an embodiment of the present invention provides；
Fig. 6 is the control system architecture schematic diagram for the underwater photography equipment that an embodiment of the present invention provides；
Fig. 7 is the positive structure schematic for the underwater photography equipment that another embodiment of the invention provides；And
Fig. 8 is a kind of arrangement mode schematic diagram of the magnetic pole of the first magnet or the second magnet opposite face of the invention.
Embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction with the embodiment of the present application
Attached drawing, is clearly and completely described the technical solution in the embodiment of the present application, it is clear that described embodiment is only
The embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's all other embodiments obtained without making creative work, should all belong to the model of the application protection
Enclose.
It should be noted that term " comprising " and " tool in the description and claims of this application and above-mentioned attached drawing
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of product of units not
Be necessarily limited to those units clearly listed, but may include not list clearly or for intrinsic other of these products
Unit.
In this application, the orientation of the instruction such as term " on ", " under ", "front", "rear", " interior ", " outer " or position relationship are
Based on orientation shown in the drawings or position relationship.These terms primarily to preferably describe the present invention and embodiment, and
It is non-to be used to limiting indicated device, element or part and have a particular orientation, or with particular orientation carry out construction with
Operation.
Also, above-mentioned part term is in addition to it can be used to indicate that orientation or position relationship, it is also possible to for representing it
His implication, such as term " on " also be likely used for representing certain relations of dependence or connection relation in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " setting ", " being equipped with ", " connection " should be interpreted broadly.For example, it may be it is fixedly connected, detachably
Connection, or monolithic construction；Can mechanically connect, or be electrically connected；It can be directly connected, or by between intermediary
Connect connected, or be internal connection between two parts.For those of ordinary skills, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.Fig. 1~Fig. 8 gives the specific of the application
Embodiment.
As shown in Fig. 1~5, the present embodiment is a kind of underwater photography equipment, including sequentially connected active transmission case body 1,
Slave drive babinet 2 and waterproof video camera 10, further include the second magnet 7 being arranged in slave drive babinet 2 and are arranged on
Sequentially connected power supply 22,5 and first magnet 6 of motor in active transmission case body 1, the active that the first magnet 6 drives with motor 5
Axis 9 connects, and the first magnet 6 and the second magnet 7 are oppositely arranged, and the second magnet 7 is connected with driven shaft 8, and driven shaft 8 runs through driven biography
One end face of dynamic babinet 2, one end of driven shaft 8 are connected with the second magnet 7, and the other end is connected with waterproof video camera 10, actively
Transmission case body 1 is all-sealed structure, and driven shaft 8 is connected with slave drive babinet 2 by waterproof sealing bearing, active transmission case body
On be additionally provided with the charge port 23 being connected with power supply 22, the waterproofing grade of charge port 23 is IP68.Above-mentioned setting may insure electricity
Sub- part is in sealing state, will not intake, convenient to carry out water-bed work, can also be operated in high dust atmosphere.
The specific work process of above-mentioned underwater photography equipment is that power supply is used to power for motor 5, and motor 5 drives equipment
The first magnet 6 in active transmission case body 1 rotates, and is being driven up and down in the case of sky with magnetic force in slave drive babinet 2
Second magnet 7 rotates, and then transmits power to driven shaft 8 so that driven shaft 8 drives waterproof video camera 10 to rotate.Above-mentioned biography
Dynamic process can realize contactless transmission, and machine power transmission need not be by tightly engaging or by mutual between object plane
Contact rubs to complete, simple in structure.It can realize being fully sealed for equipment, be competent at underwater operation.
As an alternative embodiment, waterproof video camera 10 is fixedly connected on driven shaft 8 by clamping device.Folder
Holding mechanism can be with selected as spill fixing piece, spill fixing piece inner side installation silica gel sheath.The use of silica gel sheath, which protects, to be installed on
Smart machine on spill fixing piece is without damage.
As it can be seen in figures 5 and 6, underwater photography equipment further includes the control system being arranged in active transmission case body 1, control system
System includes control module 11, rotating speed module 3, steering module 4 and communication module 12, wherein, rotating speed module 3 is connected with motor 5, is used
In the rotating speed of control motor 5, steering module 4 is connected with motor 5, and for controlling the rotation direction of motor 5, control module 11 is with preventing
Water video camera 10 connects, for controlling the work of waterproof video camera 10, communication module 12 respectively with control module 11, rotating speed module
3 and steering module 4 connect.
Specifically, the concrete operating principle of rotating speed module and steering module can rely on each of the prior art in the present embodiment
Circuit structure is planted to realize, for example, speed change can change the rotating speed of motor by adjusting the voltage of direct current generator, additionally may be used
To realize speed governing with pulse-width modulation PWM.The effective voltage of square wave is related with duty cycle with voltage magnitude, can pass through duty cycle
Realize and change effective voltage.For another example, deflecting changes rotation direction by varying polarity of voltage, can specifically utilize H bridges electricity
Road changes the polarity of voltage of motor, so as to change the steering of motor.Controllable PWM ripples are produced by microcontroller to drive H bridges,
The polarity of voltage of motor is connect in H bridges to change as needed, so as to change the steering of motor, PWM is controlled by control single chip computer
Duty cycle, change the effective voltage at motor both ends, so as to control the rotating speed of motor.
Specifically, control module 11 is used for the type for sending shooting instruction and selection shooting, the type of shooting includes taking pictures,
At least one of pan-shot, time-lapse photography and mirror image.For example, in specific implementation process, the selectable setting of control module
Following parameter：Shooting time and shot type, such as 7.5 seconds/15 seconds：Pan-shot (panorama)；30s/60s mirror images：
shortVideo；15min/60mins：Time-lapse photography (time lapse)；Or it is arranged to 1 second/15 seconds：Pan-shot
(panorama)；30s/60s mirror images：shortVideo；1min/60mins：Time-lapse photography (time lapse).Need what is illustrated
It is that the parameter of control module is selectable to be needed to be arranged to other numerical value according to user, is only that explanation is enumerated in the present embodiment
One of which, control module parameter include being not limited to above-mentioned numerical value.
Specifically, in the application underwater photography equipment, communication module 12 can be bluetooth communication, WIFI communication moulds
Block, 2.4G/3G/4G communication modules, infrared rays communication module, ultrasonic communication module or radar communication module, but communication module
It is not limited to the above-mentioned various communication modules enumerated.
As an alternative embodiment, underwater photography equipment further includes the remote control being connected with communication module 12
(not shown).User presses the button on remote control, which is sent to control module by communication module, control
After molding block receives instruction, waterproof video camera is transmitted this information to by communication module, waterproof video camera is started to work.
As shown in figure 5, the first magnet 6 is connected by the first fixing piece 19 with driving shaft 9, the second magnet 7 is solid by second
Determine part 20 to be connected with driven shaft 8, the first fixing piece 19 is located in active transmission case body 1, and the second fixing piece 20 is located at slave drive
In babinet 2.In addition, driven shaft 8 is connected by gear set 21 with the second magnet 7 or the second fixing piece 20.
After user opens power supply, battery operated motor 5, drives the first fixing piece being connected in equipment with the first magnet 6
19 rotate, and drive the first magnet 6 to rotate, and are driving the second magnet 7 to rotate with magnetic force in the case of sky up and down, are then transmitting
Power to the second fixing piece 20 being connected with the second magnet 7, the second fixing piece 20 is connected with gear set 21, promotes gear to rotate,
Power is finally reached into driven shaft 8, pushing away makes 8 axle center of driven shaft be rotated with friction speed and direction.The setting of gear set 21 can be with
Moment of torsion is transmitted, change speed and changes torque direction by the mesh combination of a variety of gears.
The material of first fixing piece 19 and the second fixing piece 20 is resistance magnetic material, so that the first fixing piece 19 deviates from
First magnet, 6 side and the second fixing piece 20 are relatively low away from the intensity of the magnetic induction line of 7 side of the second magnet, strengthen the first magnet
6 and the second magnetic couple between magnet 7.
In the various embodiments described above, the first magnet 6 and the second magnet 7 can also be able to be with the various loadstones of selected as
Various artificial magnets, in addition to magnetite, it is also an option that being electromagnet.
As shown in figure 8, as a kind of more preferred embodiment, on the first magnet 6 and the opposite end face of the second magnet 7
Magnetic pole according to NS poles alternation method circumferential arrangement.In the present embodiment, specifically, multiple magnet are annularly arranged in the first fixation
The first magnet is formed on part, the magnetic pole arranged direction of the adjacent magnet of any two is on the contrary, as having eight magnet, four magnet
Magnetic pole is with N-S to arrangement, and the magnetic pole of four magnet is with S-N to arrangement, and the magnetic pole arranged direction of adjacent magnets is on the contrary, similarly,
Arrangement of second magnet on the second fixing piece is set according to same principle.The advantages of being arranged such be, the first magnet
With the second magnet during opposing stationary, any opposite position is the state that N-S poles attract each other, when in the first magnetic
During one week driven rotation of body, the magnetic induction line of the second magnet experience changes greatly, while can obtain spatially
The magnetic field of Sine distribution, obtains stronger magnetic couple, enhancing transmission effect.
In order to improve magnetic drives effect, the material of active transmission case body 1 and slave drive babinet 2 is non magnetic material
Material.
As an alternative embodiment, as shown in fig. 7, underwater photography equipment, which further includes, is connected to active transmission case body
Handle 18 on 1.
As shown in Fig. 1~7, control for convenience, the application underwater photography equipment can also set control button, and control is pressed
Key includes power key 13, the mould for rotating forward control key 14 and inverting control key 15, being connected with control module 11 is connected with steering module 4
Formula selection key 16 and the rotating speed control key 17 being connected with rotating speed module 3.
Specifically,
Control button is arranged on the outside of active transmission case body 1；Or
Control button is arranged on handle 18；Or
Control button is set on the remote control device.
Further, the application underwater photography equipment is additionally provided with water leakage alarm system, and water leakage alarm system includes setting
In the tactile water induction device in active transmission case body 1 and/or slave drive babinet 2, phonetic alarm and it is arranged on remote controler
Buzzer, touches water induction device and is connected with phonetic alarm, phonetic alarm is connected with buzzer.When equipment leak, in babinet
The tactile water induction device preferential contact of bottom to water and senses, and produces a current signal, triggers phonetic alarm and buzzer work
Make, play the leak voice signal recorded in advance repeatedly, the function of operator is noted that so as to fulfill equipment first time leak.
It these are only the preferred embodiment of the application, be not limited to the application, for those skilled in the art
For member, the application can have various modifications and variations.All any modifications within spirit herein and principle, made,
Equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of underwater photography equipment, it is characterised in that including sequentially connected active transmission case body (1), slave drive babinet
(2) and waterproof video camera (10), further include the second magnet (7) being arranged in slave drive babinet and be arranged on the active
Sequentially connected power supply (22), motor (5) and the first magnet (6) in transmission case body,
First magnet (6) is connected with the driving shaft (9) that the motor (5) drives, first magnet (6) and described second
Magnet (7) is oppositely arranged, and second magnet (7) is connected with driven shaft (8), and the driven shaft (8) runs through the slave drive
One end face of babinet (2), one end of the driven shaft (8) are connected with second magnet (7), and the other end is taken the photograph with the waterproof
Shadow machine (10) connects,
The active transmission case body (1) is all-sealed structure, and the driven shaft (8) passes through anti-watertight with slave drive babinet (2)
Bearing connection is sealed, the charge port (23) being connected with the power supply (22), the charging are additionally provided with the active transmission case body
The waterproofing grade of mouth (23) is IP68.
2. underwater photography equipment according to claim 1, it is characterised in that the waterproof video camera is consolidated by clamping device
Surely it is connected on the driven shaft (8).
3. underwater photography equipment according to claim 1, it is characterised in that further include and be arranged on active transmission case body (1)
Interior control system, the control system include control module (11), rotating speed module (3), steering module (4) and communication module
(12), wherein,
The rotating speed module (3) is connected with the motor (5), for controlling the rotating speed of the motor (5)；
The steering module (4) is connected with the motor (5), for controlling the rotation direction of the motor (5)；
The control module (11) is connected with the waterproof video camera (10), for controlling the work of the waterproof video camera (10)
Make；
The communication module (12) connects with the control module (11), the rotating speed module (3) and the steering module (4) respectively
Connect.
4. underwater photography equipment according to claim 3, it is characterised in that the control module is used to send shooting instruction
And the type of selection shooting, the type of the shooting includes taking pictures, pan-shot, at least one of time-lapse photography and mirror image.
5. underwater photography equipment according to claim 3, it is characterised in that further include and be connected with the communication module (12)
Remote control.
6. underwater photography equipment according to claim 5, it is characterised in that the communication module (12) is Bluetooth communication mould
Block, WIFI communication modules, 2.4G/3G/4G communication modules, infrared rays communication module, ultrasonic communication module or radar communication mould
Block.
7. underwater photography equipment according to claim 6, it is characterised in that further include control button, the control button
It is connected including power key (13), with the steering module (4) and rotates forward control key (14) and reversion control key (15) and the control
The mode selecting key (16) of module (11) connection and the rotating speed control key (17) being connected with the rotating speed module (3).
8. underwater photography equipment according to claim 7, it is characterised in that further include and be connected to the active transmission case body
(1) handle (18) on.
9. underwater photography equipment according to claim 8, it is characterised in that the control button is arranged on the active and passes
On exterior, the described handle (18) of dynamic babinet (1) or on the remote control.
10. according to claim 5 to 9 any one of them underwater photography equipment, it is characterised in that be additionally provided with water leakage alarm system
System, the water leakage alarm system include being arranged in the active transmission case body (1) and/or the slave drive babinet (2)
Touch water induction device, phonetic alarm and the buzzer being arranged on the remote controler, the tactile water induction device and phonetic alarm
Connection, the phonetic alarm are connected with buzzer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286402.2A CN107991831A (en) | 2017-12-07 | 2017-12-07 | Underwater photography equipment |
| PCT/CN2018/118121 WO2019109848A1 (en) | 2017-12-07 | 2018-11-29 | Underwater photographing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286402.2A CN107991831A (en) | 2017-12-07 | 2017-12-07 | Underwater photography equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107991831A true CN107991831A (en) | 2018-05-04 |
Family
ID=62036738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711286402.2A Pending CN107991831A (en) | 2017-12-07 | 2017-12-07 | Underwater photography equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107991831A (en) |
| WO (1) | WO2019109848A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019109850A1 (en) * | 2017-12-07 | 2019-06-13 | 真善美创新科技有限公司 | Non-contact transmission apparatus |
| WO2019109848A1 (en) * | 2017-12-07 | 2019-06-13 | 真善美创新科技有限公司 | Underwater photographing apparatus |
| WO2019109849A1 (en) * | 2017-12-07 | 2019-06-13 | 真善美创新科技有限公司 | Non-contact transmission apparatus with control system |
| WO2020182108A1 (en) * | 2019-03-11 | 2020-09-17 | 真善美创新科技有限公司 | Underwater photographing device and method |
| CN112822395A (en) * | 2020-12-30 | 2021-05-18 | 浙江大学 | Angle-adjustable underwater camera device based on magnetic coupling |
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