KR20180066370A - Head Birdy Cam Reducing Vibration for Virtual Reality - Google Patents

Abstract

The present invention relates to a vibration correction head birdy cam for VR capable of being stably fixed to a helmet for VR, solving dizziness of a user, and solving a limited video due to difficulty of obtaining a view angle in VR photographing. The present invention relates to the vibration correction head birdy cam for VR capable of correcting vibration of a camera wherein the cam is worn on the head of a user. The vibration correction head birdy cam for VR comprises a helmet body, a shoulder holder, a height adjusting unit, a steady arm, and a gimbal tool. The helmet body is worn on the head of a user. The shoulder holder is connected to a lower part of the helmet body and is mounted on a shoulder of a user. The height adjusting unit is connected to an upper part of the helmet body and adjusts and sets a basic height of the camera. The steady arm is combined with the height adjusting unit by a hinge and corrects vibration for shock due to up and down movements of the head birdy cam. The gimbal tool is installed on an upper side of the steady arm and is rotated in front, back, left, and right direction shafts to allow the camera to be vertically and horizontally positioned regardless of vibration of the head birdy cam. The vibration correction head birdy cam for VR can be stably worn on the head of a user in the helmet for VR and solves the dizziness of the user due to high altitude photographing by perfectly correcting the vibration. The present invention can remove necessity for second processing using video composition by solving the limited video due to the difficulty of obtaining the view angle in the VR photographing.

Description

{Head Birdy Cam Reducing Vibration for Virtual Reality}

The present invention relates to a head shake correction head for a VR capable of solving a user's dizziness as well as stabilizing a helmet in a VR helmet and resolving a limited image due to difficulty in securing a viewing angle in VR shooting.

In general, VR (Virtual Reality) is a virtual reality in which all senses (visual, auditory, olfactory, taste, tactile) of the human body are generated in a 3D virtual environment similar to the real environment created through computer graphic It is a technology that ultimately aims to maximize the utilization of information by engaging the human being in this virtual space by three-dimensionally reproducing the virtual space to the participant by making it interact with the virtual world. Current virtual reality technology is applied to various fields such as Web 3D, simulation, game, design, education, medical, and military.

A head mounted display (HMD) and a shutter glass are used as a means of a virtual reality video presentation apparatus. If you wear a VR helmet, you can feel the sense of reality that you see in front of the camera, and you can see where you want, unlike the images that only show the direction of the existing camera lens.

VR items are used in various fields such as relics, tourism, architecture, model house, interior, travel, shopping mall, and real estate, but VR helmets are equipped with equipment to compensate for large impacts when wearing a helmet There is a problem. Since there is no device for correcting the shake when a helmet for VR is worn, most cameras can be installed in a fixed device such as a tripod for stable shooting at a limited space. Due to these limitations, the user complains about dizziness, which is a very serious problem in the VR industry.

Korean Patent Laid-Open Publication No. 2016-0106488 has been disclosed as a technology relating to a virtual reality camera in the past, and a Korean Registered Utility Model No. 20-0463499 as a mechanism for correcting camera shake is disclosed.

Korean Patent Laid-Open Publication No. 2016-0106488 discloses a support rod structure for supporting a virtual reality camera that captures 360 degrees in front, back, left, and right directions. In this structure, the photographing position is heightened so that 360 degree photographing is possible. And maintains a horizontal position without shaking.

Korean Registered Utility Model No. 20-0463499 discloses a handle having a cylindrical shape with an open top and bottom and an inner hollow, a center bar extending through the inside of the handle and extending to the upper and lower portions of the handle and coupled by the handle and the gimbal structure, And a weight attached to the lower end of the center bar. The camera support device prevents the camera from being shaken when a photograph or a moving picture is taken by the camera .

The camera support mechanism for correcting the camera shake is generally called a steady cam, and is a device for preventing the shaking of the hand from being transmitted to the camera when the camera is held by the hand without using a tripod. The principle of the camera support mechanism for correcting the camera shake is that the point where the force of the handle acts is located at the center of gravity of the entire camera support mechanism to minimize the rotational movement according to the movement of the handle, will be. In addition, the handle and the camera mount are coupled by a gimbal structure so that the shake of the handle is not transmitted to the camera mount.

A conventional VR 360-degree camera has been disclosed as a fixed type, but a device capable of correcting camera shake when moving by wearing it on the head is not disclosed. A VR camera using a gimbal has been disclosed. However, There is a problem that the second processing using the image synthesis is actually needed because the view is obscured.

Document 1: Korean Laid-Open Patent No. 2016-0106488 (Publication Date: Sep. 12, 2016)

Document 2: Korean Utility Model No. 20-0463499 (Registered on October 31, 2012)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a VR helmet which can stably wear on a head, And to provide a shake correction head Vidicam for VR that does not require a second processing using image synthesis, because it can resolve a limited image due to difficulty in securing a view angle in VR shooting.

According to an aspect of the present invention, there is provided a head shake correction head for a VR, the head shake correction head comprising: a helmet main body to be covered with a head; A shoulder holder connected to the lower side to be held on the shoulder, a height adjuster connected to the upper side of the helmet body to adjust the basic height of the camera, and a hinge coupled to the height adjuster, And a gimbal mechanism provided on the upper side of the steady arm for allowing the rotation about the longitudinal axis and the lateral axis so that the camera can be placed horizontally and vertically regardless of the fluctuation of the head side cam .

The shoulder holder includes a support base hinged to the left and right sides of the helmet body and adjustable in length, and a ring plate hinged to the lower end of the support base to surround the shoulder.

The straddle arm includes a fixed seating part fixedly mounted on the gimbal mechanism, a hinge shaft having one end hinged to the upper and lower sides of the protruding part laterally protruded from the fixed seating part, and the other end hinged to the height adjusting part by the other hinge shaft. A tilt control motor for adjusting the inclination of the two arm frames is installed on the height adjusting member or the straddle arm.

The gimbal assembly includes a base block fixedly seated on the pedal arm, a first arm connected to the base and rotating, a second arm connected to the first arm and rotated, a second arm connected to the second arm, A second control motor installed on the first arm for rotating the second arm, a second control motor provided on the second arm for rotating the camera support, And a third control motor.

The camera is secured to a camera support that supports the camera using compass calibration.

According to the VR correction head for VR according to the present invention, the VR helmet can be stably worn on the head as well as completely compensated for the wobble, thereby eliminating the user's dizziness due to the high-resolution shot, It is possible to solve the limited image due to the difficulty, so that the secondary processing using the image synthesis is unnecessary.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an elevation view showing a shake correction head Virdy cam for a VR according to an embodiment of the present invention;
2 is a side view of Fig.
FIG. 3 is a perspective view illustrating a state where a height adjuster is provided on the helmet body of FIG. 1. FIG.
Fig. 4 is a perspective view showing the steady arm of Fig. 1;
5 is an elevational view of Fig.
Fig. 6 is a view from the rear side (right side in the drawing) of Fig.
7 is a perspective view showing a state where the camera is mounted on the gimbal mechanism of FIG.
Fig. 8 is a view from the rear side (right side in the figure) of Fig. 7.
Figures 9 (a) and 9 (b) are operational views of the height adjuster of Figure 3;
10A to 10D are operational states of the shake correction head Virdi cam for VR according to the present invention.
11 (a) to 11 (c) are diagrams showing the operation of the steady arm according to the variation of the height of the user when the user wears the VR head baler cam for VR according to the embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that, in the drawings, the same components are denoted by the same reference symbols as possible. Further, the detailed description of known functions and configurations that may obscure the gist of the present invention will be omitted. For the same reason, some of the components in the drawings are exaggerated, omitted, or schematically illustrated.

1 is an elevation view showing a shake correction head Virdy cam for VR according to an embodiment of the present invention, and Fig. 2 is a side view of Fig. 1. Fig. As shown in the figure, the VR head baldicam for VR according to the embodiment of the present invention is a VR head bald correction 100 for correcting the wobble of the camera 10 to be worn on the head, A shoulder holder 120, a height adjuster 130, a steady arm 140, and a gimbals mechanism 150.

The camera 10 is a four-direction camera or a four-camera camera equipped with lenses in four directions. The camera 10 is fixed to the vertically erected camera support 20 using a compass calibration so that the camera lens is positioned in the forward direction.

The camera support base 20 is composed of a vertical base 22 fixed vertically to the base plate 21 and a camera 10 is installed at the upper end of the vertical base. .

The shoulder holder 120 is provided on the lower side of the helmet body 110 and the protrusion receiving portion 111 which protrudes upward to receive the height adjusting tool 130 Is formed.

The shoulder holder 120 includes a support base 121 hinged to both the left and right sides of the helmet body 110 and adjustable in length and a ring plate 122 hinged to the lower end of the support base 121 to surround the shoulder, , And rests on the user's shoulder to hold the shoulder.

The support base 121 is a multi-stage support (two stages in this embodiment) that can be drawn and drawn out by an antenna type so as to be adjustable in length. The support base 121 is provided with a holder locker 123 for locking the length- Respectively. In order to adjust the length of the support table 121, the locker 123 is unlocked, the length of the multi-stage support table 121 is adjusted properly, and then the locker 123 is locked again. The ring plate 122 is made of an elastic material having appropriate elasticity and is brought into close contact with the shoulder of the user.

 3, the height adjuster 130 is an adjuster connected to the upper side of the helmet body 110 to adjust the basic height of the camera 10, And is locked by the height adjusting rocker 131 after the height is adjusted. The height adjuster 130 may have a plurality of steps so as to be adjustable in height.

As shown in FIGS. 4 to 6, the steady arm 140 is hinged to the height adjuster 130 to compensate for the shaking due to the upward / downward motion of the head side cam. The stodiameter 140 includes a fixed seating portion 141 to which the gimbal mechanism 150 is fixedly seated and a hinge shaft 142 having one end on one side of the upper and lower sides of the projecting portion projecting laterally from the fixed seating portion 141 And the other end is hinged to the height adjuster 130 by the other hinge shafts 143 and 143 'and a pair of arm frames 144 and 144' hinged by the other hinge shafts 143 and 143 ' And a spring 145 that slants to the other side of the upper and lower sides of the other side hinge shafts 143 'and 143'. A tilt control motor (not shown) for adjusting the tilt of the two arm frames 144 and 144 'is installed in the height adjuster 130 or the steadic arm 140.

7 and 8, the gimbal mechanism 150 is mounted on the upper portion of the stadial arm 140 so that the gimbal mechanism 150 can be inclined with respect to the longitudinal direction of the camera 10, (P2) and the left-right directional axis (P3).

The gimbal mechanism 150 includes a base 151 fixedly mounted on the stadial arm 140, a first arm 152 connected to the base 151 for rotation and a second arm 152 connected to the first arm 152, A base arm 154 which is connected to the second arm 153 and fixed to the camera support 20 which rotates and supports the camera 10, A first control motor 155 for rotating the first arm 152, a second control motor 156 installed on the first arm 152 for rotating the second arm 153, a second control motor 156 for rotating the second arm 153 And a third control motor 157 that rotates the camera support 20.

The first arm 152, the second arm 153 and the base arm 154 are in the form of a bent band and are rotatable by the hinge shafts P1, P2 and P3. The first control motor 155 is installed inside the base 151. The second control motor 156 is installed inside the control case 158. The third control motor 157 is exposed or in the case Respectively. The first control motor 155 to the third control motor 157 may be installed in various forms, and a control unit is installed in the control case 158. The gimbal mechanism 150 may be configured in various forms.

Various sensors such as a gyro sensor, an acceleration sensor, and a temperature sensor are built in the gimbal mechanism 150, and the rotation direction or inclination is measured according to the control of the control unit, and a signal is sent to the control motor to maintain the set equilibrium state . The gyro sensor is a sensor that recognizes the change of the orientation of the object and can detect the rotation angle and tilt of the rotating object, so it is used together with the 'acceleration sensor' which measures the acceleration of the object or the intensity of the impact, .

Figures 9 (a) and 9 (b) are operational views of the height adjuster of Figure 3; 9 (a) shows a state in which the height of the camera is raised by raising the height adjuster 130, FIG. 9 (b) shows a state in which the height adjuster 130 is lowered to lower the basic height of the camera State.

10A to 10D are operational states of the shake correction head Virdi cam for VR according to the present invention. 10A shows the control state of the camera 10 and the camera support 20 when the head is bent forward and FIG. 10B shows the control state of the camera 10 and the camera support 20 when the head is turned backward, Fig. 10C shows the control state of the camera 10 and the camera support 20 when the head is moved to the left, and Fig. 10D shows the control state of the camera 10 and the camera support 20 when the head is moved to the right. As shown in the figure, as the head is moved, the control unit receives the signal of the sensor of the gimbal mechanism 150 to control the control motors 155, 156 and 157 (see FIG. 7) The vertical state is maintained and the camera 10 is always kept horizontal.

11 (a) to 11 (c) are diagrams showing the operation of the steady arm according to the variation of the height of the user when the user wears the VR head baler cam for VR according to the embodiment of the present invention. As shown in the figure, when the user M runs, the distance (height) between the head and the ground changes as the user opens the leg. At this time, the control unit receives the signal of the sensor of the gimbal mechanism 150, The height of the camera 10 and the camera support 20 is always kept constant by controlling the tilt control motor included in the camera 130 or the stadial arm 140 to change the tilt of the stadial arm 140. [

It should be noted that the embodiments of the present invention disclosed in the present specification and drawings are only illustrative of the present invention in order to facilitate the understanding of the present invention and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

10: camera 20: camera support
100: Head Virdicam
110: helmet body 111:
120: Shoulder holder 121: Support
122: ring plate 123: holder locker
130: Height adjuster 131: Height adjusting rocker
140: Steady arm 141: Fixed seat part
142, 142 ': one side hinge shaft 143, 143': one side hinge shaft
144, 144 ': arm frame 145: spring
150: gimbal mechanism 151: base band
152: first arm 153: second arm
154: base arm 155: first control motor
156: second control motor 157: third control motor
158: control case

Claims (5)

A head shake correction head bald cam for VR that corrects shaking of a camera to be worn on a head,
A helmet body covering the head,
A shoulder holder connected to a lower side of the helmet body to be seated and held on the shoulder,
A height adjuster connected to an upper side of the helmet body to adjust a basic height of the camera,
A pedal arm hinged to the height adjuster for correcting a shake due to a vertical motion of the head bad cam;
And a gimbal mechanism installed on the upper side of the steady arm to allow rotation about the longitudinal axis and the lateral axis so that the camera can be placed horizontally and vertically regardless of the fluctuation of the head side cam. Vibration correction head Virdicam. The method according to claim 1,
The shoulder holder being hinged to both the left and right sides of the helmet body,
And a ring plate hinged to a lower end of the support to surround the shoulder and hooked to the VR. The method according to claim 1,
The steady arm includes a fixed seating portion on which the gimbal mechanism is fixedly mounted,
Two arm frames, one end of which is hinged by one side of the hinge shaft and the other end of which is hinged to the height adjuster by the other side hinge axis, on the upper and lower sides of the protrusion projected laterally from the fixed seat;
And a spring for connecting the one-side hinge axis and the other-side hinge axis to each other in the vertical direction opposite to each other,
And a tilt control motor for adjusting the tilt of the two arm frames is installed on the height adjuster or the steadic arm. The method according to claim 1,
The gimbal assembly includes a base block fixedly seated on the pedal arm,
A first arm connected to the base and rotating,
A second arm connected to the first arm and rotated,
A camera support rod connected to the second arm and supporting the camera,
A first control motor installed on the base and rotating the first arm,
A second control motor installed on the first arm for rotating the second arm,
And a third control motor installed on the second arm for rotating the camera support. The method according to claim 1,
Wherein the camera is fixed to a camera support that supports the camera using compass calibration.

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