KR101276310B1 - Device for controlling convergence angle of 3d camera - Google Patents

Abstract

PURPOSE: A convergence angle adjusting device for a 3D camera is provided to move a carrier to a camera module side by using a step motor and a lead screw, thereby easily adjusting a convergence angle of the camera module. CONSTITUTION: A convergence angle adjusting device for a 3D camera comprises a module mounting board(10), two camera modules(20), a carrier(30), a step motor(40), a lead screw(50), a support panel(60), a guide plate(70), and a guide shaft(80). The camera modules are installed in both sides of the top surface of the module mounting board for photographing 3D images. Convergence angle adjusting pins(22) are protruded in both sides of the top surface of one camera module. Hinge pins(21) are protruded in both sides of the bottom surface of one camera module. The carrier lifts the convergence angle adjusting pins upwardly and downwardly while moving forward and backward, thereby rotating the camera modules around the hinge pins. The step motor moves the carrier forward and backward to the camera module. The lead screw moves the carrier forward and backward to the camera module while being rotated when operating the step motor. The support panel is moved forward and backward along an axial direction of the lead screw with the carrier when the lead screw is rotated.

Description

Device for controlling convergence angle of 3D camera

The present invention relates to an apparatus for adjusting the exposure angle for a 3D camera, and more particularly, to an apparatus for adjusting the exposure angle for a 3D camera that can easily adjust the exposure angle of a 3D camera module, and that the overall structure is simple and easy to assemble.

As is well known, three-dimensional (3D) stereoscopic images can be used with ancillary tools to give a two-dimensional (2D) planar image similar to three-dimensional (3D) reality, or to manipulate optical images with physical force. It is a video technique that makes people feel perspective or space.

In one method for realizing three-dimensional (3D) stereoscopic images, two camera modules each including a lens are mounted on the camera body, such as two human eyes, but mounted horizontally apart from each other. A method of photographing a subject from an angle and synthesizing the photographed image data to create a 3D stereoscopic image is adopted.

The arrangement of cameras for capturing 3D stereoscopic images is divided into a parallel method in which the cameras are arranged side by side horizontally, and a zoom angle adjustment method in which the camera angle varies according to the distance of an object.

For reference, the dictionary meaning of the congestion angle refers to the point where the eyes of the eyes meet and the angle formed by the macula, and more specifically, since the eyes of the human are separated from the center of the brow. Even if one sees an object, each eye sees the object differently, which is called a runaway angle or runaway.

Conventional parallel stereoscopic cameras have a weakness in expressing stereoscopic feelings because the angle of confinement is always 180 degrees (0 degrees), and objects in close proximity cannot be expressed in stereoscopic sense. Since the image is cut at a constant rate, the correction of the image is inevitable.

On the contrary, as shown in FIG. 1, the method of adjusting the runaway angle is a method of adjusting the runaway angle by driving both cameras or only one camera, and adjusting the range of the angle of the subject as shown in FIG. 2. According to the minimum angle (θ _min = tan ^-1 (X / L _min )) to the maximum angle (θ _max = tan ^-1 (X / L _max )). The screen is naturally matched, and 3D stereoscopic imaging of nearby objects is possible.

As described above, in realizing a 3D stereoscopic image, a technique of precisely controlling the congestion angle at which two cameras look at the subject has emerged as the most important factor. Is going on.

In order to solve this problem, the present applicant has developed and applied for a 3D camera width control device (patent application No. 10-2011-0030218).

The conventional device for adjusting the width of the 3D camera is provided between a fixed plate of the fixed bracket and a horizontal moving plate of the slide bracket, and includes driving means for linearly moving the slide bracket.

The drive means includes an inner magnet mounted on a fixed plate of the fixing bracket while forming a yoke coupling structure having poles alternate with each other, a pair of coil parts connected to one side of the inner magnet, and an inner magnet facing the inner magnet. It consists of an outer magnet for slide conveyance mounted on the bottom of the horizontal movable plate.

In the conventional constriction angle adjusting device equipped with such a driving means, the coil and yoke, the inner magnet, the outer magnet and the gap adjustment thereof are the main factors for precisely driving the camera module.

Therefore, in order to precisely adjust the plunging angle with the above-described driving means, the winding state of the coil, the coupling position of the yoke, the magnetization state of the magnet, and the cogging force must be precisely harmonized, and accordingly, from design to fabrication and assembly process Great precision was required, and if either one could not be met, the angle of constriction was not precise.

An object of the present invention for solving the above problems, in using a three-dimensional 3D camera of the constriction angle, to facilitate the constriction angle of the 3D camera module using a step motor, a lead screw, a carrier to feel a richer three-dimensional feeling The present invention provides an apparatus for controlling the angle of congestion of a 3D camera.

Another object of the present invention is to provide an apparatus for adjusting the diversion angle for a 3D camera having a simple structure and easy assembly.

To achieve the above object, the apparatus for controlling the width of the 3D camera of the present invention includes a module mounting plate; Two camera modules are installed on both sides of the upper surface of the module mounting plate for capturing 3D stereoscopic images, and one of the two camera modules has a convex angle adjusting pin protruding from both sides of the camera module and a hinge on the module mounting plate on both lower sides. Camera module protruding hinge pin to be coupled; A carrier which is installed to slide on an upper surface of the module mounting plate and moves forward and backward to the camera module side so that the camera module is rotated around the hinge pin by lifting the width-wise angle adjustment pin upwardly or downwardly; A step motor installed on the upper surface of the module mounting plate and connected to the carrier to move the carrier forward and backward toward the camera module; A lead screw having one end connected to the step motor and the other end connected to the carrier to rotate the carrier forward and backward while the step motor is driven; A support panel fixed to the carrier and fastened to the lead screw so that the support panel moves forward and backward along the axial direction of the lead screw together with the carrier when the lead screw is rotated; A guide plate fixed to the module mounting plate and guiding the movement of the carrier; One end is fixed to the guide plate and the other end penetrates the carrier and the support panel, characterized in that it comprises a guide shaft for guiding the support panel and the carrier back and forth toward the camera module side.

Another feature of the 3D camera width-angle adjustment device of the present invention, the module mounting plate, the hinge pin is provided so that the hinge pin of the camera module is coupled, the upper surface both sides in contact with both sides of the carrier reciprocating movement of the carrier The guide step is protruded to guide the and prevent it from shaking in the direction perpendicular to the conveying direction.

Another feature of the 3D camera width-angle adjustment device of the present invention, the carrier, the overall shape is formed in the U-shape in plan view, the side vertical portion is formed on both sides of the front vertical portion is made in the U-shape when viewed in plan view When the carrier is advanced to the camera module side between the front vertical portion and the side vertical portion, a part of the camera module enters the inside of the carrier and is received. The front vertical portion has an installation groove formed so that the other end of the lead screw is positioned, and the guide holes are formed at the front vertical portions on both sides of the installation groove so that the guide shafts slide together. Pin angle adjustment pin when the pin is in contact with the carrier So that there is a pivoting angle control surface is formed.

Another feature of the 3D camera width-angle adjustment device of the present invention, the angle adjustment surface of the carrier is formed to be inclined downward toward the end side of the side vertical portion from the front vertical portion, so that when the carrier is advanced to the camera module side, the width angle adjustment pin The camera module is rotated upward while being lifted upward, and when the carrier is retracted, the camera module is rotated downward by its own weight.

To achieve the same object as described above, the apparatus for controlling the width of the 3D camera of the present invention includes: a module mounting plate having hinge fixing bodies formed at both upper ends and guide jaw formed at both upper sides thereof; Two camera modules are installed on both sides of the upper surface of the module mounting plate for capturing 3D stereoscopic images.While one of the two camera modules, a width-adjusting pin is protruded on both sides of the camera module and the lower side of the module mounting plate is A camera module having a hinge pin protruding from the hinge to the fixed body; Guide protrusions are protruded on both sides to be coupled to the guide jaws of the module mounting plate, and when the camera module is moved back and forth to the camera module side, the camera module is rotated about the hinge pin by lifting the width-angle adjusting pin upward or downward. A carrier having an angle adjusting surface formed on an upper surface thereof, and a fastening hole formed in a center of the front surface thereof; A step motor installed on the upper surface of the module mounting plate and connected to the carrier to move the carrier forward and backward toward the camera module; One end is connected to the step motor and the other end is fastened to the fastening hole of the carrier is characterized in that it comprises a lead screw for rotating the carrier forward and backward toward the camera module while driving the step motor.

As described above, the present invention adjusts the width of the camera module by moving the carrier back and forth to the camera module using a step motor and a lead screw, thereby easily adjusting the width of the camera, thereby providing a richer 3D stereoscopic image. In addition, by using a step motor, faster and more precise congestion angle control can be achieved, and current consumption generated during congestion angle control can be reduced, and the difference between left and right images generated during congestion angle control can be reduced.

In the present invention, the stepping angle adjusting device for the 3D camera is assembled by connecting a step motor, a lead screw, a support panel, and a carrier sequentially. The sequential assembly of each of these parts is simply assembled without advanced techniques and the assembly time is greatly reduced. Therefore, not only the structure of the constriction angle adjusting device is simple, but also easy to assemble, thereby reducing manufacturing costs and greatly improving productivity.

1 is a schematic diagram illustrating an example of adjusting the width of the zoom angle of the 3D camera.
Figure 2 is a schematic diagram illustrating the range of adjustment of the constriction angle of the 3D camera
Figure 3 is a perspective view showing the width of the angle adjustment device for 3D camera of the present invention
Figure 4 is a side view of Figure 3
5 is a plan view of FIG.
Figure 6 is a side view showing a state in which the camera's runaway angle is adjusted by the runaway adjustment device
Figure 7 is a perspective view showing another embodiment of the apparatus for adjusting the width of the 3D camera of the present invention

Specific features and advantages of the present invention will become more apparent from the following description with reference to the accompanying drawings.

3 is a perspective view illustrating a device for adjusting the width of the 3D camera of the present invention, FIG. 4 is a side view of FIG. 3, FIG. 5 is a plan view of FIG. 3, and FIG. As a side view showing the adjusted state, the present invention has an object of providing a constriction angle adjustment mechanism for a subject in order to precisely control the congestion angle at which two cameras look at the subject in realizing a 3D stereoscopic image.

In the present invention, the apparatus for adjusting the width of the 3D camera includes a camera module 20 mounted at both ends of an upper surface of the camera module mounting plate 10 in the form of a rectangular plate, and each camera module 20 includes a carrier ( 30), the stepping angle 40 is precisely controlled by the step motor 40, the lead screw 50, the support panel 60, the guide plate 70, the guide shaft 80.

The two camera modules 20 are camera modules for capturing 3D stereoscopic images, and width-wise angle adjustment pins 22 are integrally formed on both sides of the upper side, and hinge pins are provided on both sides of the lower side of each camera module 20. 21 is integrally formed.

The hinge fixing body 11 is integrally formed on the upper surface of both ends of the module mounting plate 10, and the hinge pins 21 of the camera modules 20 are fastened to the hinge fixing body 11, thereby mounting the module. Each camera module 20 is coupled to the plate 10 so as to be adjustable in the plunging angle.

The module mounting plate 10 is provided with a hinge fixed body 11 to be coupled to the hinge pin 21 of the camera module 20, the upper surface both sides of the carrier 30 in contact with both sides of the carrier 30 The guide step 12 protrudes so as to guide the reciprocating movement of the < Desc / Clms Page number 6 >

The carrier 30 is installed to slide on the upper surface of the module mounting plate 10 and is advanced back and forth toward the camera module 20 to raise the width-angle adjustment pin 22 upward or downward to lower the camera module 20. ) Is rotated around the hinge pin (21).

The carrier 30 has a C-shaped overall shape when viewed in a plane, and thus the side vertical portions 32 are formed at both sides of the front vertical portion 31 to have a C-shaped overall shape when viewed in a plan view.

Between the front vertical part 31 and the side vertical part 32 of the carrier 30, when the carrier 30 is transferred to the camera module 20, a part of the camera module 20 enters the inside of the carrier 30. When the carrier 30 is received and transferred to the step motor 40, the module accommodation space 33 is formed such that the camera module 20 is separated from the inside of the carrier 30.

An installation groove 34 is formed in the front vertical portion 31 of the carrier 30 so that the other end of the lead screw 50 is positioned, and the guide shaft 80 is formed in the front vertical portion 31 on both sides of the installation groove 34. ) Is formed so that the guide holes 35 slide together.

The widthwise angle adjustment pin 22 is in contact with the upper surface of the side vertical portion 32 of the carrier, and the angle of rotation angle adjustment pin 22 is rotated when the carrier 30 is advanced back and forth toward the camera module 20. The adjusting surface 36 is formed.

The angle adjusting surface 36 is formed to be inclined downward from the front vertical portion 31 side toward the end side of the side vertical portion 32, so that when the carrier 30 is conveyed to the camera module 20 side, the width angle adjusting pin ( When the camera module 20 is rotated upward while 22) is lifted upward, and the carrier 30 is transferred to the step motor 40, the camera module 20 is rotated downward by its own weight.

The step motor 40 is installed on the upper surface of the module mounting plate 10 and is connected to the carrier 30 to advance the carrier 30 back and forth to the camera module 20 side.

The lead screw 50 has one end connected to the step motor 40 and the other end connected to the carrier 30 to rotate the carrier 30 forward and backward while driving the step motor.

The support panel 60 has a fastening hole 61 fixed to the carrier 30 and fastened to the lead screw 50. The support panel 60 together with the carrier 30 at the time of rotation of the lead screw 50 includes a lead screw ( Forward and backward along the axial direction of 50).

The guide plate 70 is fixed to the module mounting plate 10 and guides the movement of the carrier 30. The guide plate 70 is composed of a fixing portion 71 fixed to the module mounting plate 10 and the coupling portion 72 bent at a right angle to the fixing portion 71. The lead screw 50 penetrates through the engaging portion 72 of the guide plate 70.

Guide shafts 80, one end is fixed to the guide plate 70, the other end passes through the carrier 30 and the support panel 60, the support panel 60 and the carrier 30 to the camera module 20 side Guide you back and forth.

The width-of-width adjustment device for a 3D camera of the present invention having such a configuration is operated as follows.

First, when the step motor 40 is driven, the lead screw 50 is rotated, and thus the fastening hole 61 of the support panel 60 is coupled to the lead screw 50 so that the support panel 60 and the support panel 60 are fixed thereto. The carrier 30 is moved along the axial direction of the lead screw 50. In this case, the guide shaft 80 guides the movement of the carrier 30 and the support panel 60.

In addition, the guide step 12 of the upper portion of the module mounting plate 10 allows the carrier 30 to move only in the front-back direction of the camera module 20 and not to flow in the perpendicular direction.

When the lead screw 50 is rotated, the carrier 30 and the support panel 60 are transferred to the step motor 40 and accordingly the angle adjusting surface 36 of the carrier 30 is transferred and the runaway of the camera module 20 is carried out. Angle adjusting pin 22 is lowered to the lower side. Therefore, the camera module 20 is rotated downward with respect to the hinge pin 21 and the hinge stationary body 11.

When the lead screw 50 is rotated in reverse, the carrier 30 and the support panel 60 are transferred to the camera module 20 and accordingly, the width-of-angle adjustment pin 22 is in contact with the angle adjusting surface 36 of the carrier 30. ) Is moved upward with the transfer of the angle adjustment surface 36, the camera module 20 rotated to the lower side is rotated upward and restored.

The apparatus for adjusting the 3D camera zoom angle of the present invention uses the step motor 40 and the lead screw to move the carrier 30 back and forth to the camera module 20 to adjust the zoom angle of the camera module 20. It is easy to adjust, thereby providing a richer 3D stereoscopic image.

In addition, since the step motor 40 is used, faster and more precise congestion angle control can be achieved, current consumption generated during congestion angle control can be reduced, and the difference between left and right images generated during congestion angle control can be reduced.

In the present invention, the 3D camera width-angle adjustment device is assembled by connecting the step motor 40, the lead screw 50, the support panel 60, and the carrier 30 sequentially.

The sequential assembly of each of these parts is simply assembled without high technology and the assembly time is greatly reduced. Therefore, not only the structure of the constriction angle adjusting device is simple, but also easy to assemble, thereby reducing manufacturing costs and greatly improving productivity.

Meanwhile, although FIGS. 3 to 6 illustrate and explain a structure in which only one camera module 20 is constrained in width, the congestion angles of the two camera modules 20 may be adjusted by the above-described structure.

That is, the same components as described above can also be installed in the other camera module 20, the carrier 30, the step motor 40, the lead screw 50, the support panel 60, and the guide plate 70. After preparing the guide shaft 80 separately, it can be installed on the module mounting plate 10 to adjust the runaway angle of the other camera module 20.

In addition, by installing only one step motor 40 may be provided to adjust the runaway angle of the two camera module (20). That is, bevel gears may be connected to the shaft of one step motor 40 so as to draw power to both sides, and lead screws 50 may be connected to both sides of the bevel gears, respectively. In this way, the runaway angles of the two camera modules 20 can be adjusted with one step motor 40, thereby reducing the manufacturing cost.

Figure 7 is a schematic perspective view showing another embodiment of the apparatus for adjusting the width of the 3D camera of the present invention, the module mounting plate 10, the camera module 20, the carrier 30, the step motor 40, the lead screw ( 50).

The module mounting plate 10 has hinge fixing bodies 11 formed at both upper end portions thereof, and guide jaws 13 are formed at both upper sides thereof.

The camera module 20 is two camera modules 20 installed on both sides of the upper surface of the module mounting plate 10 for capturing 3D stereoscopic images, and one camera module 20 of the two camera modules 20 is provided. Width-adjusting angle adjusting pins 22 protrude from both sides of the upper side, and hinge pins 21 protrude from the hinge-fixing body 11 of the module mounting plate 10 on both lower sides thereof.

The carrier 30 is coupled to slide on the guide jaw 13 of the module mounting plate 10 by protruding the guide protrusion 37 on both sides, and when the back and forth advancing toward the camera module 20, the pin angle adjustment pin 22 ), The angle adjusting surface 36 is formed on both upper surfaces of the camera module 20 so that the camera module 20 rotates about the hinge pin 21 by raising the upper side or the lower side thereof. Formed.

The step motor 40 is installed on the upper surface of the module mounting plate 10 and is connected to the carrier 30 to advance the carrier 30 back and forth to the camera module 20 side.

One end of the lead screw 50 is connected to the step motor 40 and the other end is fastened to the fastening hole 38 of the carrier 30 so that the carrier 30 rotates when the step motor 40 is driven. (20) to go back and forth.

In the 3D camera width-angle adjustment device of the present invention having such a configuration, when the step motor 40 is driven, the lead screw 50 is rotated. Since the fastening holes 38 of the carrier 30 are engaged around the lead screw 50, the carrier 30 is transferred along the axial direction of the lead screw 50 when the lead screw 50 is rotated.

Guide protrusions 37 are formed on both sides of the carrier 30, and guide jaws 13 are formed on both sides of the module mounting plate 10 so that the guide protrusions 37 slide together. Therefore, the carrier 30 is stably slid by the guide protrusion 37 and the guide jaw 13 when the lead screw 50 is driven.

In the present invention, such as the 3D camera width-angle adjustment device, the other end of the lead screw 50 is directly fastened to the fastening hole 38 of the carrier 30, the transfer of the carrier 30 is guide projection 37 and There is a feature in that the guide jaw 13 is formed.

Therefore, since the lead screw 50 is directly coupled to the carrier 30, the support panel 60 is not necessary, and the guide plate 70 and the guide shaft 80 for guiding the transfer of the carrier 30 are deleted. Therefore, since the number of components of the present invention is significantly reduced compared to FIGS. 3 to 6, the apparatus for controlling the plunging angle of the 3D camera reduces manufacturing labor and manufacturing cost.

10: module mounting plate 11: hinge hinge
12: guide step 13: guide step
20: camera module 21: hinge pin
22: width angle adjustment pin 30: carrier
31: front vertical part 32: side vertical part
33: module accommodation space 34: installation groove
35: guide hole 36: angle adjustment surface
37: guide protrusion 38: fastening hole
40: step motor 50: lead screw
60: support panel 61: fastening hole
70: guide plate 71: fixed part
72: coupling portion 80: guide shaft

Claims (5)

Module mounting plate 10;
Two camera modules 20 installed on both sides of the upper surface of the module mounting plate 10 for capturing 3D stereoscopic images, the width of the angle adjustment pins on both sides of the camera module 20 of one of the two camera modules 20 A camera module 20 having a protruding portion 22 and a hinge pin 21 protruding from the lower side thereof so as to be hinged to the module mounting plate 10;
It is installed to slide on the upper surface of the module mounting plate 10 and the front and rear toward the camera module 20, the lifting angle adjustment pin 22 to raise or lower the camera module 20 is a hinge pin (21) Carrier 30 to rotate about;
A step motor 40 installed on the upper surface of the module mounting plate 10 and connected to the carrier 30 to move the carrier 30 back and forth toward the camera module 20;
A lead screw 50 having one end connected to the step motor 40 and the other end connected to the carrier 30 to rotate the carrier 30 forward and backward while being driven when the step motor is driven;
A support panel 60 fixed to the carrier 30 and fastened to the lead screw 50 so as to move back and forth along the axial direction of the lead screw 50 together with the carrier 30 when the lead screw 50 is rotated;
A guide plate 70 fixed to the module mounting plate 10 and guiding the movement of the carrier 30;
One end is fixed to the guide plate 70, the other end passes through the carrier 30 and the support panel 60, the guide for guiding the support panel 60 and the carrier 30 is advanced back and forth toward the camera module 20 side Shaft angle adjustment device for a 3D camera, characterized in that it comprises a.
The module mounting plate 10 of claim 1,
Hinge pin 11 is provided so that the hinge pin 21 of the camera module 20 is coupled,
3D camera, characterized in that the guide step 12 protrudes on both sides of the upper surface so as to be in contact with both sides of the carrier 30 to guide the reciprocating movement of the carrier 30 and to prevent shaking in a direction perpendicular to the conveying direction. Runaway angle control device.
The method according to claim 1, Carrier 30,
When viewed in plan, the overall shape is made of a C-shape so that the side vertical portion 32 is formed on both sides of the front vertical portion 31, the overall shape is made of a C-shape when viewed in plan,
When the carrier 30 is advanced toward the camera module 20 between the front vertical part 31 and the side vertical part 32, a part of the camera module 20 enters the inside of the carrier 30 to be accommodated, and the carrier 30 When the back is reversed, the module receiving space 33 is formed so that the camera module 20 is separated from the inside of the carrier 30.
The front vertical portion 31 is provided with an installation groove 34 so that the other end of the lead screw 50 is located,
A guide hole 35 is formed in the front vertical portion 31 of both sides of the installation groove 34 so that the guide shaft 80 is coupled and slides.
The widthwise angle adjusting pin 22 is in contact with the upper surface of the side vertical portion 32 and the angle adjusting surface rotates the widthwise angle adjusting pin 22 when the carrier 30 is advanced back and forth toward the camera module 20. 36 is a width-angle adjustment device for 3D camera, characterized in that is formed.
The angle adjusting surface 36 of the carrier 30,
It is formed to be inclined downward toward the end side of the side vertical portion 32 from the front vertical portion 31 side, when the carrier 30 is advanced to the camera module 20 side, the zoom angle adjustment pin 22 is lifted upward and the camera module Rotating angle (20) to the upper side, and the carrier 30 is retracted, the camera module 20 is rotated to the lower side by its own weight, the plunging angle adjusting device for a 3D camera.
A module mounting plate 10 having hinge fixing bodies 11 formed at both upper ends and guide jaws 13 formed at both upper ends thereof;
Two camera modules 20 installed on both sides of the upper surface of the module mounting plate 10 for capturing 3D stereoscopic images, the width of the angle adjustment pins on both sides of the camera module 20 of one of the two camera modules 20 (22) is protruding and the camera module 20, the hinge pin 21 is protruded so as to be hinged to the hinge fixed body 11 of the module mounting plate 10 on both lower sides;
Guide protrusions 37 on both sides protrude and are coupled to slide on the guide jaw 13 of the module mounting plate 10, and when the back and forth to the camera module 20, the lifting angle adjustment pin 22 is lifted upwards. Or down to the lower side, the angle adjusting surface 36 is formed on both upper surfaces so that the camera module 20 rotates around the hinge pin 21, and the carrier 30 has a fastening hole 38 formed in the front center thereof. );
A step motor 40 installed on the upper surface of the module mounting plate 10 and connected to the carrier 30 to move the carrier 30 back and forth toward the camera module 20;
One end is connected to the step motor 40 and the other end is fastened to the fastening hole 38 of the carrier 30 so that the carrier 30 moves forward and backward toward the camera module 20 while the step motor 40 is rotated when the step motor 40 is driven. Lead screw (50); width adjustment angle adjustment device for a 3D camera comprising a.

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