CN104380193B - Camera module - Google Patents
Camera module Download PDFInfo
- Publication number
- CN104380193B CN104380193B CN201380032141.5A CN201380032141A CN104380193B CN 104380193 B CN104380193 B CN 104380193B CN 201380032141 A CN201380032141 A CN 201380032141A CN 104380193 B CN104380193 B CN 104380193B
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- CN
- China
- Prior art keywords
- gear
- camera
- movable body
- motor
- axis
- 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.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 150000001875 compounds Chemical class 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 2
- 241000222712 Kinetoplastida Species 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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
-
- 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
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/206—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members characterised by the driving or driven member being composed of two or more gear wheels
-
- 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
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
-
- 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
-
- 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
- G03B17/561—Support related camera 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
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/02—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with scanning movement of lens or cameras
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
-
- 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
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- 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
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0053—Driving means for the movement of one or more optical element
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19617—Surveillance camera constructional details
- G08B13/1963—Arrangements allowing camera rotation to change view, e.g. pivoting camera, pan-tilt and zoom [PTZ]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Studio Devices (AREA)
- Details Of Cameras Including Film Mechanisms (AREA)
- Accessories Of Cameras (AREA)
Abstract
A kind of can realize is provided to minimize and camera module of the camera stably towards any direction can be made.Specifically, in camera module (1), if rotating motor (30) in drive device (20), then the rotation of motor (30) is transferred to movable body (90) via gear mechanism (40), center of rotation axis (Lc) rotation intersected therefore, it is possible to the movable body (90) for making holding camera (10) around the shooting direction with camera (10), so as to switch shooting direction., also can be than being minimized using the situation of belt mechanism here, due to having used gear mechanism (40) in drive device (20), therefore even in increase speed reducing ratio come in the case of improving resolution ratio.Also, due to being provided with the force application part (70) for pressing movable body (90) towards fixed body (80), therefore in the case that gear mechanism (40) has back clearance, shooting direction without departing from.
Description
Technical field
The present invention relates to a kind of camera module for the shooting direction for allowing hand over camera.
Background technology
The device for switching the shooting direction of camera is especially used in the field of monitoring camera, for this purposes
Camera module in, the rotation of motor is transferred to camera (with reference to patent document 1,2) by belt mechanism.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 8-95129 publications
Patent document 2：Japanese Unexamined Patent Publication 2008-78964 publications
The content of the invention
The invention problem to be solved
The requirement for wanting the shooting direction of switching camera is not limited to monitoring camera, the neck such as in video telephone
In domain there is also, but in these areas, due to needing higher resolution ratio when switching the shooting direction of camera, because
This, mainly manually switches in the past.That is, being used as the technology described in patent document 1,2
In the case of belt mechanism, it resolution ratio is improved to increase the speed reducing ratio from motor, then can cause camera module
Maximization, is not suitable for being installed in video telephone etc..Particularly so that camera is installed in into desktop television set by caller's
Image be sent to conversation object mode constitute in the case of, due to need surround TV set image frame portion distribution put shooting
Head, therefore the large-scale camera module difficult to use for employing belt mechanism.
Therefore, although it is contemplated that belt mechanism is replaced using gear mechanism, but in the situation using gear mechanism
Under, exist cause because of the back clearance between gear camera shooting direction it is unstable the problem of.Particularly, if in order to improve point
Resolution and increase the quantity of gear to increase speed reducing ratio, then the influence for causing back clearance to bring also correspondingly becomes big.
In view of problem above, problem of the invention, which is to provide one kind, can realize miniaturization and camera can be made stable
Camera module of the ground towards any direction.
Method for solving problem
In order to solve above-mentioned problem, camera module involved in the present invention is characterised by, the camera module bag
Include：Camera；Movable body, the movable body keeps the camera；Fixed body, the fixed body, which supports the movable body, is
It can be rotated around center of rotation axis, the center of rotation axis is prolonged along the direction intersected with the shooting direction of the camera
Stretch；Drive device, the drive device makes the movable body be revolved around the center of rotation axis by motor and gear mechanism
Turn, the gear mechanism is by the rotational deceleration of the motor and is transferred to the movable body；And force application part, the force section
The movable body is exerted a force and pressed towards the fixed body by part along the center of rotation axis direction.
In the present invention, if rotating motor in drive device, the rotation of motor is transferred to via gear mechanism can
Kinetoplast, therefore the center of rotation axis rotation for keeping the movable body of camera to intersect around the shooting direction with camera, so as to cut
Change shooting direction.Here, due to having used gear mechanism in drive device, therefore improved point even in increase speed reducing ratio
, also can be than being minimized using the situation of belt mechanism in the case of resolution.Also, movable body edge is rotated due to being provided with
The force application part that central axial direction exerts a force and pressed towards fixed body, therefore there is a situation where back clearance even in gear mechanism
Under, shooting direction without departing from.Therefore, it is possible to make camera stably towards any direction.Also, due to the rotation of motor
Transmission is decelerated by gear mechanism, therefore even in employing the knot that presses movable body towards fixed body by force application part
In the case of structure, also it can rotate movable body by the rotation of motor.
In the present invention, it is preferred to which the gear mechanism includes：Multiple first gears, the multiple first gear can be around
One axis rotates；And multiple second gears, the multiple second gear can be around abreast arranged side by side with the first axle
Second axis rotates, in the multiple first gear and the multiple second gear, the rotation of the motor therefrom one
Individual first gear is transferred to one of second gear, then is delivered to another the first tooth from one of second gear
Wheel, is then delivered to another second gear from another described first gear again, is eventually transferred to the movable body.By this
Structure is planted, due to being constituted using the multiple first gears configured along first axle and along multiple second gears that second axis is configured
Reducing gear, therefore in the case of speed reducing ratio is increased, the space shared by gear mechanism (reducing gear) is also smaller.
In the present invention, it is preferred to which the first gear and the second gear are small-diameter gear respectively in the first axle
The same side in line direction and the second axis direction compound gear integrated with large diameter gear, the multiple
In one gear and the multiple second gear, the small-diameter gear of one of first gear of one of second gear is driven
Engaged with the large diameter gear of one of second gear, be driven in another first tooth of one of second gear
The small-diameter gear that the large diameter gear of wheel is discussed with one of them described second tooth is engaged.According to this structure, due to constituting deceleration
During mechanism, large diameter gear and small-diameter gear are located at unidirectional multiple compound gears and are used as first gear and the second tooth
Wheel, therefore in the case of speed reducing ratio is increased, the space shared by gear mechanism (reducing gear) is also smaller.
In the present invention, it is preferred to the motor axis of the motor are parallel with the first axle and the second axis,
Or on the extended line of the side in the first axle and the second axis.According to this structure, motor and
Space shared by gear mechanism is small.
In the present invention, it is preferred to the center of rotation axis of the movable body and the first axle and described second
Extend to diameter parallel.According to this structure, the space shared by movable body and gear mechanism is small.
In the present invention, it is preferred to which the first axle and the second axis are towards relative to described in the movable body
The center of rotation axis side arrangement opposite with the shooting direction.According to this structure, imaged when from the side that is taken
Region shared by head mould group is small.Therefore, it is possible to by camera module be contained in surround TV set image frame portion grade.
In the present invention, it is preferred to general first that the multiple first gear is extended on the first axle respectively
Support shaft supports is can rotate, general second that the multiple second gear is extended in the second axis respectively
E axle supporting is held to rotate.According to this structure, can by the support shaft of multiple first gears it is general be the first support shaft, and
By the support shaft of multiple second gears it is general be the second support shaft, therefore, it is possible to realize reduction components number, and gear mechanism
Shared space is small.
In the present invention, it is preferred to the camera is driven by the drive device, thus the camera be switched to from
State that the fixed body exposes or the state for being hidden in the fixed body.Pass through this structure, when without using camera, energy
Enough states that camera is set as being hidden in fixed body, therefore, it is possible to prevent from making dirty camera, and can be avoided because of camera
There is a situation where and allow people worry.
Invention effect
In the present invention, if rotating motor in drive device, the rotation of motor is transferred to via gear mechanism can
Kinetoplast, therefore, it is possible to make the center of rotation axis rotation that the movable body of holding camera intersects around the shooting direction with camera,
So as to switch shooting direction.Here, due to having used gear mechanism in drive device, therefore carried even in increase speed reducing ratio
, also can be than being minimized using the situation of belt mechanism in the case of high-resolution.Also, due to being provided with movable body edge
The force application part that center of rotation axis direction exerts a force and pressed towards fixed body, therefore there are the feelings of back clearance even in gear mechanism
Under condition, shooting direction without departing from.Therefore, it is possible to make camera stably towards any direction.Also, due to the rotation of motor
Turn to be decelerated transmission by gear mechanism, therefore even in employing press movable body towards fixed body by force application part
In the case of structure, also it can rotate movable body by the rotation of motor.
Brief description of the drawings
Fig. 1 is equipped with applying the explanation figure of the television set of the camera module of the present invention.
Fig. 2 is the integrally-built explanation figure for representing to apply the camera module of the present invention.
Fig. 3 is the exploded view for representing to apply the internal structure of the camera module of the present invention.
Fig. 4 is the explanation figure for applying each part of the camera module of the present invention.
Fig. 5 is the explanation figure for representing to apply the planar structure of the camera module of the present invention.
Symbol description
1 camera module
10 cameras
20 drive devices
21 first support shafts
22 second support shafts
30 motors
40 gear mechanisms
51st, 52 first gear
61st, 62 second gear
70 force application parts being made up of helical spring
80 fixed bodies
81 lower houses
82 upper shells
90 movable bodys
100 television sets
110 TV set images
120 frameworks
511st, 521,611,621 large diameter gear
512nd, 522,612,622 small-diameter gear
Lc center of rotation axis
Lm motor axis
L1 first axles
L2 second axis
Embodiment
An example of the camera module to applying the present invention is illustrated referring to the drawings.In addition, in following explanation
In, using camera towards shooting direction during front as X-direction, using orthogonal with X-direction laterally as Y direction,
The above-below direction orthogonal with X-direction and Y direction is illustrated as Z-direction.Also, will in X-direction
Side where subject is as side+X, using the side opposite with side where subject as opposite side-X, in Y direction
In, towards camera using left side as side+Y, using right side as opposite side-Y, in Z-direction, using upside as side+
Z, downside is illustrated as opposite side-Z.
(overall structure of television set)
Fig. 1 is equipped with applying the explanation figure of the television set of the camera module of the present invention.In the television set shown in Fig. 1
In 100, surrounded around TV set image 110 by the framework 120 of rectangle, application is equiped with the upper rim portion 121 of framework 120
The camera module 1 of the present invention.The fixation of camera 10 of the camera module 1 including video telephone and supporting camera 10
Body 80, camera 10 is supported in framework 120 by fixed body 80.The television set 100 constituted like this has video telephone work(
Can, the image of the caller shot by camera module 1 is sent to conversation object.Also, shown in TV set image 110
Conversation object.
, it is necessary to adjust camera 10 in the vertical direction according to the height of the face of caller in camera module 1
Shooting direction.Therefore, drive device 20 described later is built-in with the camera module 1 of the manner, is existed by drive device 20
Camera 10 is set to be rotated around the center of rotation axis Lc extended along Y direction in camera module 1, so as to adjust shooting direction.
Also, in use, camera exposes people can allowed to worry as general television set television set 100, it is contemplated that this point, at this
In mode, camera 10 is made around the center of rotation axis Lc extended along Y direction in camera module 1 by drive device 20
Rotation, so that camera 10 is hidden in fixed body 80 used in camera module 1.
(overall structure of camera module 1)
Fig. 2 is the integrally-built explanation figure for representing to apply the camera module 1 of the present invention, and Fig. 2 (a), Fig. 2 (b) are
Camera 10 is hidden in the stereogram of the holding state of fixed body 80 and removes the vertical of the state of upper shell in the standby state
Body figure, Fig. 2 (c), Fig. 2 (d) are the stereograms and in a state of use for the use state that camera 10 exposes from fixed body 80
Remove the exploded view of the state after upper shell.Fig. 3 is the decomposition for representing to apply the internal structure of the camera module 1 of the present invention
Figure.Fig. 4 is the explanation figure for applying each part of the camera module 1 of the present invention, and Fig. 4 (a), Fig. 4 (b) are than Fig. 3 more
The stereogram of exploded view and first gear when camera module 1 is decomposed in detail etc..Fig. 5 is to represent camera module 1
Planar structure explanation figure, Fig. 5 (a), Fig. 5 (b) be the top view of camera module 1 and remove upper shell after state
Top view.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, camera module 1 includes：Keep the movable body 90 of camera 10；Can
The supporting of kinetoplast 90 is the fixed body 80 that can be rotated around center of rotation axis Lc, the center of rotation axis Lc edges and camera 10
Shooting direction (side+X of X-direction) it is intersecting Y direction extension；And movable body 90 is revolved around center of rotation axis Lc
Turn the drive device 20 of the shooting direction so as to switch camera 10.Drive device 20 includes motor 30 and the rotation by motor 30
Turn deceleration and be transferred to the gear mechanism 40 of movable body 90.In the manner, motor 30 has used stepper motor.
(structure of fixed body 80)
As shown in Figure 3 and 4, fixed body 80 constitutes module casing, and module casing is by the size of Z-direction than X-axis side
To size and the cuboid of the small flat pattern of size of Y direction constitute, shooting head mould is defined by the fixed body 80
The outer shape of group 1.In the manner, fixed body 80 includes casees of the side+Z (upside) towards Z-direction in opening-wide state
The upper shell 82 of the quadrangle of the lower house 81 of shape and the upper opening of closing lower house 81.Lower house 81 includes being located at Z axis
Four side plates that the side+Z of the opposite side-Z in direction base plate 810 and outer rim towards Z-direction from base plate 810 is erected
Portion 811,812,813 and 814.Rectangle is formed with the opposite side-X positioned at X-direction of lower house 81 side plate 813
Breach, the breach is closed by substrate 88.Also, it is formed with the breach 811s for the rectangle for exposing camera 10 in side plate 811
With the breach 811t in the space for ensuring to configure aftermentioned spur gear 99.
Multiple projections 819 are formed with the outer surface of the side plate 811,812,813,814 of the lower house 81 of fixed body 80,
The multiple hooks 829 engaged with projection 819 are formed with the outer rim of upper shell 82.Therefore, when upper shell 82 covers lower house 81,
As long as making hook 829 engage with projection 819, it becomes possible to be combined lower house 81 with upper shell 82.Also, in the base plate of lower house 81
Central and close to X-direction the opposite side-X of the Y direction in portion 810 position is formed with the portions 818 of heavy wall, in the portions
818 are formed with screw hole 818a, and are formed with through hole 828 in the position overlapping with screw hole 818a of upper shell 82.Therefore,
As long as after by making hook 829 engage with projection 819 come with reference to lower house 81 and upper shell 82, by screw 89 from through hole
823 are fixed in screw hole 818a, it becomes possible to by lower house 81 and upper shell 82 further combined with.
(structure of movable body 90)
Movable body 90 is the bar-like member extended in the Y-axis direction along center of rotation axis Lc, and movable body 90 includes：Can
Camera 10 is maintained at the large-diameter portion 91 of inner side by the side+Y of the Y direction of kinetoplast 90；Y direction opposite side-Y with it is big
The central diameter portion 95 that footpath portion 91 is connected；The minor diameter part 96 being connected in the opposite side-Y of Y direction with central diameter portion 95；And diameter dimension
The first axle part 97 that is smaller than the diameter dimension of minor diameter part 96 and being connected in the opposite side-Y of Y direction with minor diameter part 96.Big
A part for the side face in footpath portion 91 is formed with tabular surface 911, and being formed with the tabular surface 911 makes what the camera lens of camera 10 exposed
Circular hole 912.
Also, movable body 90 has the (reference picture of the second axle part 98 being connected in the side+Y of Y direction with large-diameter portion 91
5).On the other hand, the inner surface of the side plate 814 of the side+Y positioned at Y direction in fixed body 80 is formed with receiving portion
814e, receiving portion 814e supports the second axle part 98 for that can rotate, and receiving portion 814e is in vertically extending groove
Shape, the receiving portion 810e that the first axle part 97 is supported to the channel-shaped for that can rotate is formed with the upper surface of base plate 810.So
One, movable body 90 is supported to rotate around the center of rotation axis Lc extended along Y direction by fixed body 80.Also,
The upper surface of base plate 810 is formed with groove-like recess 810f, and minor diameter part 96 is located at groove-like recess 810f inner side, in the channel-shaped
Recess 810f is formed with the stopper section 810g (reference picture 5 (b)) of convex, the stopper section 810g of the convex with the outer of minor diameter part 96
The breach 96f formed in the range of the predetermined angular of side face end (stage portion) interferes the rotation so as to regulation movable body 90
Turn.Therefore, in the manner, the minor diameter part 96 and stopper section 810g positions interfered are set as that camera 10 is directed downwardly
Initial position (position of readiness).Therefore, do not adjust the angle position of movable body 90 when movable body 90 is assembled, can advise yet
Determine the initial position of camera 10, and can according to the control of the quantity of the conveying pulse for the driving current for being supplied to motor 30
The direction of kinetoplast 90 (camera 10).Also, when driving camera module 1, as long as using counter and memory etc., with small
The last angle position of movable body 90 is prestored on the basis of the position that footpath portion 96 and stopper section 810g is interfered, just
Movable body 90 can be easily set to turn again to the angle position of last time.In addition, the base plate 810 and upper casing of lower house 81
The position overlapping with the large-diameter portion 91 of movable body 90 in body 82 turns into the recess of bending, therefore base plate 810 and upper shell 82
Do not contacted with large-diameter portion 91.
(structure of drive device 20)
As shown in Fig. 3, Fig. 4 and Fig. 5, drive device 20 is including motor 30 and by the rotational deceleration of motor 30 and is transferred to
The gear mechanism 40 of movable body 90, motor 30 is configured in the another of X-direction in the way of motor axis Lm extends along Y direction
The position that side-X is separated with the large-diameter portion 91 of movable body 90.Motor 30 is located at X-axis side in the outer peripheral face of motor body 38
To opposite side-X part be configured with terminal 32, terminal 32 in through substrate 88 hole 881 and from substrate 88 towards X-axis side
To the prominent states of opposite side-X.Therefore, it is possible to be powered by terminal 32 externally to motor 30.
In motor 30, side+Y of the output shaft 35 from motor body 38 towards Y direction is protruded.Also, in motor master
Side+the Y of the Y direction of body 38 surface is connected with end plate 31, and motor body 38 is positioned at lower house 81 by end plate 31
Base plate 810.The elastic plate portion 825 of removed three side is formed with upper shell 82, if making lower house 81 and upper shell 82
Combined by the base plate 810 in lower house 81 in the way of clipping motor body 38 between upper shell 82, then motor body 38 with
Elastic plate portion 825 is abutted so that elastic plate portion 825 is bent, as a result, motor body 38 be in by elastic plate portion 825 by
The state of the elasticity pressing of base plate 810.
(structure of gear mechanism 40)
Gear mechanism 40 includes motor pinion 41, spur gear 42 and spur gear 43, and the motor pinion 41 is by solid
The spur gear for being connected to the output shaft 35 of motor 30 is constituted, and the spur gear 42 is in side+X and motor pinion in X-direction
41 adjacent positions are engaged with motor pinion 41, the spur gear 43 by the opposite side from spur gear 42 towards Y direction-
The cylinder 48 of Y extensions is connected with spur gear 42.
Also, gear mechanism 40 includes：The multiple first gears 51,52 that can be rotated around first axle L1；And can
Around multiple second gears 61,62 with first axle L1 abreast second axis L2 rotations arranged side by side.
Opposite side-Ys of the first axle L1 relative to motor 30 in Y direction is located on motor axis Lm extended line.More
Plus specifically, the first supporting extended along Y direction is configured with (on motor axis Lm extended line) on first axle L1
Axle 21, first gear 51 is supported as that can rotate by first support shaft 21, and second gear 52 is in the opposite side-Y in Y direction
The position adjacent with first gear 51 is supported to rotate by the first support shaft 21.In the manner, the Y of the first support shaft 21
Side+the Y of direction of principal axis end is formed on the receiving portion of the channel-shaped on the opposite side-Y of the Y direction of portions 818 surface
818f is kept, and the opposite side-Y of the Y direction of the first support shaft 21 end is formed on the channel-shaped of the inner surface of side plate 812
Receiving portion 812f keep.
Second axis L2 is set between motor axis Lm and center of rotation axis Lc (first axle L1 and pivot
Between axis Lc), and pass through the pivot of spur gear 42,43.Therefore, spur gear 42,43 also with second gear 61,62 1
Sample rotates around second axis L2.More particularly, the second support shaft extended along Y direction is configured with second axis L2
22, the insertion two ends of the second support shaft 22 are connected with the inner side of the cylinder 48 of spur gear 42,43.Therefore, cylinder 48 and
Spur gear 42,43 can rotate around the second support shaft 22 (second axis L2).Also, second gear 61 is in the another of Y direction
Position adjacent with spur gear 43 side-Y is supported as that can rotate by the second support shaft 22, and second gear 62 is in Y direction
The opposite side-Y positions adjacent with second gear 61 supported to rotate by the second support shaft 22.In the manner, second
The receiving portion 814g that the side+Y of the Y direction of support shaft 22 end is formed on the channel-shaped of the inner surface of side plate 814 is protected
Hold, the opposite side-Y of the Y direction of the second support shaft 22 end is formed on bearing for the channel-shaped of the inner surface of side plate 812
Portion 812g is kept.
In the drive device 20 so constituted, spur gear 43 is engaged with first gear 51.Therefore, if motor 30 rotates,
Then the rotation of motor 30 is transferred to after spur gear 42 from motor pinion 41, and spur gear 43 is transferred to via cylinder 48, then,
The rotation of spur gear 43 is transferred to first gear 51, second gear 61, first gear 52 and second gear 62, Ran Houchuan successively
It is handed to the spur gear 99 of the opposite side-Y of the Y direction for the first axle part 97 for being fixed in movable body 90 end.Therefore, motor 30
Rotation be transferred to movable body 90, the result is that movable body 90 around center of rotation axis Lc rotate.
Here, the external diameter of spur gear 42 is bigger than the external diameter of motor pinion 41, the rotation of motor 30, which is decelerated, to be transferred to just
After gear 42, it is transferred to from spur gear 43 via first gear 51, second gear 61, first gear 52 and second gear 62
Also it is decelerated during spur gear 99.More particularly, first gear 51,52 and second gear 61,62 are path tooth respectively
Take turns the opposite side-Y (the same side in first axle L1 directions and second axis L2 directions) and large diameter gear one in Y direction
The compound gear changed, as described below, large diameter gear is meshed with small-diameter gear and constitutes reducing gear.
First, first gear 51 is the diameter small-diameter gear 512 smaller than the diameter of large diameter gear 511 in the another of Y direction
Compound gear integrated with large diameter gear 511 side-Y, first gear 52 is that diameter is smaller than the diameter of large diameter gear 521
Small-diameter gear 522 in compound gear integrated with large diameter gear 521 opposite side-the Y of Y direction.Second gear 61
It is opposite side-Y and large diameter gear 611 one of the diameter small-diameter gear 612 smaller than the diameter of large diameter gear 611 in Y direction
The compound gear changed, second gear 62 is the diameter small-diameter gear 622 smaller than the diameter of large diameter gear 621 in Y direction
The opposite side-Y compound gears integrated with large diameter gear 621.Here, large diameter gear 511,521,611 and 621
Outside dimension all same, the outside dimension all same of small-diameter gear 512,522,612 and 622.
Also, spur gear 43 is engaged with the large diameter gear 511 of first gear 51, the outside dimension ratio of large diameter gear 511 is just
The outside dimension of gear 43 is big.The small-diameter gear 512 of first gear 51 is engaged with the large diameter gear 611 of second gear 61, and second
The small-diameter gear 612 of gear 61 is engaged with the large diameter gear 521 of first gear 52.Also, the small-diameter gear 522 of first gear 52
Engaged with the large diameter gear 621 of second gear 62, the small-diameter gear 622 of second gear 62 is engaged with spur gear 99.Here, commutating tooth
The outside dimension of wheel 99 is bigger than the outside dimension of small-diameter gear 622.Therefore, from spur gear 43 to the gear train of spur gear 99
In, it is decelerated when being rotated in transmission between gear.
(structure for preventing the force application part of back clearance)
In the manner, because the rotation of motor 30 is transferred to movably by the gear mechanism 40 by being made up of multiple gears
Body 90, therefore the influence of the back clearance between gear is larger, the angle position (shooting that movable body 90 rotates around center of rotation axis Lc
First 10 shooting direction) easily change.Therefore, in the manner, there is provided by movable body 90 towards applying that fixed body 80 is pressed
Power part 70.
More particularly, the force application part 70 that is made up of helical spring is installed in the first axle part 97 of movable body 90,
The pad 71 of ring-type is installed in the side (opposite side-Y of Y direction) opposite with minor diameter part 96 relative to force application part 70.
In this state, when movable body 90 is attached on lower house 81, the table with the opposite side of force application part 70 of pad 71 is made
Face (opposite side-Y of Y direction surface) has the one of receiving portion 810e wall 810h Y direction with the formation of lower house 81
Side+Y surface is abutted.As a result, force application part 70 is in what is compressed on the center of rotation axis Lc directions of movable body 90
State, and movable body 90 exerts a force towards the side+Y (center of rotation axis Lc directions) of Y direction by minor diameter part 96.Cause
This, the side+Y of the Y direction of the second axle part 98 of movable body 90 end is being formed on the receiving portion 814e of side plate 814
In the state of supporting, abutted in receiving portion 814e with the inner surface elasticity of side plate 814.Therefore, as long as motor 30 does not drive,
Movable body 90 non-expectantly would not rotate around center of rotation axis Lc.
(main efficacy results of work and the manner)
In the television set 100 of the manner, when watching television image using television set 100, such as Fig. 2 (a), Fig. 2 (b) institutes
Show, movable body 90 is located at the angle position (holding state) in camera 10 and hole 912 (opposite side-Z of Z-direction) down.
In this state, camera 10 is in the state for being hidden in fixed body 80.Also, in the standby state, the grade of reference picture 3 explanation
The breach 96f stopper section 810g of end (stage portion) and the side of lower house 81 of minor diameter part 96 be in the state interfered.
From this state, by television set 100 be used as video telephone when, operation setting in TV body switch or
Person's remote control switch makes motor 30 work.As a result, because the rotation of motor 30 by gear mechanism 40 is transferred to movable body
90, therefore movable body 90 is rotated by 90 ° around center of rotation axis Lc, as shown in Fig. 2 (c), Fig. 2 (d), movable body 90, which is transitioned into, to be taken the photograph
As first 10 and the angle position (use state) of hole 912 (side+X of X-direction) facing forward.Now, needing camera
During the height of the face of 10 shooting direction alignment caller, operation setting is switched in the switch or remote control of TV body
Motor 30 is set to work.As a result, because the rotation of motor 30 by gear mechanism 40 is transferred to movable body 90, therefore, it is possible to make
Direction as defined in the shooting direction alignment of camera 10.Now, because gear mechanism 40 is configured to reducing gear, therefore, it is possible to hold
Change places and adjust the shooting direction of camera 10.Particularly in the manner, due to constituting gear mechanism 40 by multiple gears, because
This speed reducing ratio is big.Therefore, it is possible to the shooting direction of higher resolution adjustment camera 10.Also, due to by gear mechanism
40 constitute reducing gear, therefore compared with the situation using belt mechanism, can reduce the space shared by drive device 20.
Therefore, it is possible to realize the miniaturization of camera module 1.Also, in the manner, by the gear mechanism 40 with multiple gears
When constituting reducing gear, there is provided movable body 90 is exerted a force along center of rotation axis Lc directions and towards applying that fixed body 80 is pressed
Power part 70.Therefore, in the case that gear mechanism 40 has back clearance, movable body 90 also non-will not expectantly rotate, because
The shooting direction of this camera 10 is not deviated by.Therefore, it is possible to make camera 10 stably towards any direction.Also, due to
The rotation of motor 30 is decelerated transmission by gear mechanism 40, therefore even in employing movable body 90 by force application part 70
In the case of the structure pressed towards fixed body 80, also it can rotate movable body 90 by the rotation of motor 30.
Also, when terminating the call that is carried out using video telephone and watching television image, if operation setting is in television set
Switch or the remote control switch of main body make motor 30 work, then as shown in Fig. 2 (a), Fig. 2 (b), movable body 90 returns to shooting
First 10 and the angle position of hole 912 (opposite side-Z of Z-direction) down, camera 10 is in the state for being hidden in fixed body 80
(holding state).Thus, due to that under the holding state without using camera 10, camera 10 can be adjusted to be hidden in fixation
The state of body 80, therefore, it is possible to prevent from making dirty camera 10, and can avoid allowing what people worried because of the presence of camera 10
Situation.
Also, in the manner, gear mechanism 40 include can around first axle L1 rotate first gear 51,52 and
Can be around the second gear 61,62 with first axle L1 abreast second axis L2 rotations arranged side by side, motor 30 is rotated in the
It is decelerated when being transmitted between one gear 51,52 and second gear 61,62 and is transferred to movable body 90.Therefore, even if increase tooth
The quantity of wheel increases speed reducing ratio, and the space shared by gear mechanism 40 (reducing gear) is also smaller.Moreover, first gear 51,52
And second gear 61,62 be respectively small-diameter gear in the same side compound gear integrated with large diameter gear, first
In gear 51,52 and second gear 61,62, the large diameter gear of one of gear is engaged with the small-diameter gear of another gear.
Therefore, in the case of speed reducing ratio is increased, the space shared by gear mechanism 40 (reducing gear) is also smaller.
Also, the motor axis Lm of motor 30 is located on first axle L1 extended line.Therefore, it is possible to by motor 30 and
One gear 51,52 is configured at position adjacent in the Y-axis direction etc., so that motor 30 and the space shared by gear mechanism 40
Diminish.Also, because the center of rotation axis Lc and first axle L1 and second axis L2 of movable body 90 are extended parallel to, because
This can make engagement between defined gear in gear mechanism 40 by simple structure.Therefore, movable body 90 and gear
Space shared by mechanism 40 is small.Also, general first that multiple first gears 51,52 are extended on first axle L1 respectively
The supporting of support shaft 21 is can rotate, general second that multiple second gears 61,62 are extended on second axis L2 respectively
The supporting of support shaft 22 is to rotate.Therefore, it is possible to by the support shaft of multiple first gears 51,52 it is general be the first support shaft
21, and can by the support shaft of multiple second gears 61,62 it is general be the second support shaft 22, therefore can reduce components number,
And the space shared by gear mechanism 40 is smaller.
Also, first axle L1 and second axis L2 is towards the center of rotation axis Lc relative to movable body 90 with shooting
Side arrangement in opposite direction, first axle L1, second axis L2 and center of rotation axis Lc are pressed in same X/Y plane
According to center of rotation axis Lc, second axis L2 and first axle L1 order arrangement.Therefore, because can be by camera module
1 flattening is to 7mm or so, therefore when from the side that is taken (side+X of X-direction), shared by camera module 1
Region is smaller.Therefore, it is possible to which camera module 1 to be contained in the frame portion point 120 for surrounding TV set image 110.
[other embodiment]
In the above-described embodiment, helical spring is used as force application part 70, but the force application parts such as leaf spring can also be used
Movable body 90 is exerted a force and pressed towards fixed body 80 by 70 along center of rotation axis Lc directions.
In the above-described embodiment, exemplified with the camera module 1 of video telephone, but the present invention can also be applied to
Following camera module 1：Action to the personage as subject is analyzed and inputted to television set or and TV
The instruction of the equipment of machine connection.Also, in addition to video telephone, used it is also possible to apply the invention to PC, portable terminal device is used
And monitoring camera with etc. camera module 1.
Claims (7)
1. a kind of camera module, it is characterised in that the camera module includes：
Camera；
Movable body, the movable body keeps the camera；
Movable body supporting is that can be rotated around center of rotation axis by fixed body, the fixed body, the Pivot axle
Line extends along the direction intersected with the shooting direction of the camera；
Drive device, the drive device makes the movable body be revolved around the center of rotation axis by motor and gear mechanism
Turn, the gear mechanism is by the rotational deceleration of the motor and is transferred to the movable body；And
Force application part, the force application part exerts a force the movable body along the center of rotation axis direction and towards described solid
Determine body pressing,
The fixed body has housing, and the movable body has the axle portion extended along the center of rotation axis, the force section
Part by the axle portion towards the shroud press,
The gear mechanism includes：
Multiple first gears, the multiple first gear can rotate around first axle；
Multiple second gears, the multiple second gear can be around abreast second axis arranged side by side is revolved with the first axle
Turn；
Motor pinion, the motor pinion is fixed in the output shaft of the motor；
First spur gear, first spur gear is engaged with the motor pinion；And
Second spur gear, second spur gear is engaged with the first gear and is connected with first spur gear,
The second axis passes through the pivot of first spur gear and second spur gear,
In the multiple first gear and the multiple second gear, the rotation of a motor first gear therefrom
Be transferred to one of second gear, then another first gear be delivered to from one of second gear, then again from
Another described first gear is delivered to another second gear, is finally transmitted to the movable body.
2. camera module according to claim 1, it is characterised in that
The first gear and the second gear are small-diameter gear respectively in the first axle direction and described second
The same side of axis direction compound gear integrated with large diameter gear,
In the multiple first gear and the multiple second gear, drive one of second gear one of them the
The small-diameter gear of one gear is engaged with the large diameter gear of one of second gear, is driven in one of them described second tooth
The large diameter gear of another first gear of wheel is engaged with the small-diameter gear of one of second gear.
3. camera module according to claim 1, it is characterised in that
The motor axis of the motor are parallel with the first axle and the second axis or positioned at the first axle
And on the extended line of the side in the second axis.
4. camera module according to claim 3, it is characterised in that
The center of rotation axis of the movable body is extended parallel to the first axle and the second axis.
5. camera module according to claim 4, it is characterised in that
The first axle and the second axis towards the center of rotation axis relative to the movable body with it is described
The opposite side arrangement of shooting direction.
6. camera module according to claim 1, it is characterised in that
The multiple first gear is respectively to revolve by the first general support shaft supports extended on the first axle
Turn,
The multiple second gear is respectively to revolve by the second general support shaft supports extended in the second axis
Turn.
7. camera module according to any one of claim 1 to 6, it is characterised in that
The camera is driven by the drive device, so that the camera is switched to the state exposed from the fixed body
Or it is hidden in the state of the fixed body.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012185795A JP6075996B2 (en) | 2012-08-24 | 2012-08-24 | The camera module |
| JP2012-185795 | 2012-08-24 | ||
| PCT/JP2013/071234 WO2014030532A1 (en) | 2012-08-24 | 2013-08-06 | Camera module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104380193A CN104380193A (en) | 2015-02-25 |
| CN104380193B true CN104380193B (en) | 2017-07-14 |
Family
ID=50149842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380032141.5A Expired - Fee Related CN104380193B (en) | 2012-08-24 | 2013-08-06 | Camera module |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6075996B2 (en) |
| KR (1) | KR101626705B1 (en) |
| CN (1) | CN104380193B (en) |
| WO (1) | WO2014030532A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108200243A (en) * | 2017-12-29 | 2018-06-22 | 上海与德科技有限公司 | A kind of control method of mobile terminal and mobile terminal |
| CN111835889B (en) * | 2019-04-19 | 2022-12-06 | 荣耀终端有限公司 | Terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070108354A1 (en) * | 2003-07-02 | 2007-05-17 | Takuji Okamoto | Two-axial rotational driving apparatus and driven member rotation control system |
| CN101246245A (en) * | 2007-02-16 | 2008-08-20 | 株式会社尼康 | Driving apparatus, lens barrel and camera |
| JP2010164146A (en) * | 2009-01-16 | 2010-07-29 | Nidec Sankyo Corp | Transmission device |
| JP2012118146A (en) * | 2010-11-30 | 2012-06-21 | Brother Ind Ltd | Imaging apparatus support mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05203858A (en) * | 1992-01-24 | 1993-08-13 | Canon Inc | Lens barrel driving device |
| JPH07177401A (en) * | 1993-12-17 | 1995-07-14 | Matsushita Electric Ind Co Ltd | Camera apparatus for video telephone |
| JPH0895129A (en) | 1994-09-28 | 1996-04-12 | Canon Inc | Driving device for camera |
| JP2002168308A (en) * | 2000-09-22 | 2002-06-14 | Asahi Optical Co Ltd | Motor speed reducing mechanism |
| JP2002262164A (en) * | 2001-02-27 | 2002-09-13 | Minolta Co Ltd | Electronic device with photographing function |
| JP2005273778A (en) * | 2004-03-24 | 2005-10-06 | Fujinon Corp | Rotation drive unit, and camera using the same rotation drive unit |
| TWI260905B (en) * | 2005-05-17 | 2006-08-21 | Jin-Chiuan Huang | Lens turning device for mobile phone with camera function |
| JP4102394B2 (en) * | 2005-08-19 | 2008-06-18 | 株式会社東芝 | Camera device |
| JP4453691B2 (en) * | 2006-09-01 | 2010-04-21 | 日本ビクター株式会社 | Surveillance camera device and swivel |
| JP2008078964A (en) | 2006-09-21 | 2008-04-03 | Hitachi Kokusai Electric Inc | Camera drive device |
| JP5223597B2 (en) * | 2008-10-30 | 2013-06-26 | 株式会社Ｊｖｃケンウッド | Tilt mechanism of surveillance camera device |
| KR101685422B1 (en) * | 2011-05-30 | 2016-12-12 | 한화테크윈 주식회사 | Assembly for supporting a photographing apparatus |
-
2012
- 2012-08-24 JP JP2012185795A patent/JP6075996B2/en not_active Expired - Fee Related
-
2013
- 2013-08-06 CN CN201380032141.5A patent/CN104380193B/en not_active Expired - Fee Related
- 2013-08-06 KR KR1020147036249A patent/KR101626705B1/en not_active IP Right Cessation
- 2013-08-06 WO PCT/JP2013/071234 patent/WO2014030532A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070108354A1 (en) * | 2003-07-02 | 2007-05-17 | Takuji Okamoto | Two-axial rotational driving apparatus and driven member rotation control system |
| CN101246245A (en) * | 2007-02-16 | 2008-08-20 | 株式会社尼康 | Driving apparatus, lens barrel and camera |
| JP2010164146A (en) * | 2009-01-16 | 2010-07-29 | Nidec Sankyo Corp | Transmission device |
| JP2012118146A (en) * | 2010-11-30 | 2012-06-21 | Brother Ind Ltd | Imaging apparatus support mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014030532A1 (en) | 2014-02-27 |
| KR20150016358A (en) | 2015-02-11 |
| CN104380193A (en) | 2015-02-25 |
| JP2014044269A (en) | 2014-03-13 |
| JP6075996B2 (en) | 2017-02-08 |
| KR101626705B1 (en) | 2016-06-01 |
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