WO2020250806A1 - カメラ支持構造、ヘッドマウントディスプレイ - Google Patents

カメラ支持構造、ヘッドマウントディスプレイ Download PDF

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Publication number
WO2020250806A1
WO2020250806A1 PCT/JP2020/022161 JP2020022161W WO2020250806A1 WO 2020250806 A1 WO2020250806 A1 WO 2020250806A1 JP 2020022161 W JP2020022161 W JP 2020022161W WO 2020250806 A1 WO2020250806 A1 WO 2020250806A1
Authority
WO
WIPO (PCT)
Prior art keywords
support frame
camera
housing
support structure
elastic member
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.)
Ceased
Application number
PCT/JP2020/022161
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
佐藤　文彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Interactive Entertainment Inc
Original Assignee
Sony Interactive Entertainment Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Interactive Entertainment Inc filed Critical Sony Interactive Entertainment Inc
Priority to US17/612,642 priority Critical patent/US11953809B2/en
Priority to JP2021526053A priority patent/JP7527285B2/ja
Publication of WO2020250806A1 publication Critical patent/WO2020250806A1/ja
Anticipated expiration legal-status Critical
Priority to JP2024117661A priority patent/JP7818657B2/ja
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories
    • G03B17/561—Support related camera accessories
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/04—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or holding steady relative to, a person, e.g. by chains, e.g. rifle butt or pistol grip supports, supports attached to the chest or head
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/163—Wearable computers, e.g. on a belt
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1686—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers

Definitions

  • the present invention relates to a camera support structure and a head-mounted display provided with the camera support structure.
  • Patent Document 1 discloses a head-mounted display to which a camera is attached.
  • the accuracy of its position and the accuracy of its posture are important. For example, if the frame that supports the camera is displaced due to thermal expansion or external force such as an impact due to dropping, the position of the camera may shift or the posture may change.
  • One of the purposes of the present disclosure is to provide a camera support structure that maintains the position / posture accuracy of the camera, and a head-mounted display having the camera support structure.
  • An example of the camera support structure proposed in the present disclosure is attached to the housing of the head-mounted display, is interposed between the support frame that supports the camera, and the housing and the support frame, and is the support frame. Includes at least one or more elastic members that are at least partially elastically deformed between the housing and the support frame with deformation or displacement.
  • An example of the head-mounted display proposed in the present disclosure includes the above-mentioned camera support structure, the housing, a display housed in the housing, and a mounting band extending from the housing.
  • An example of the camera support structure proposed in the present disclosure is attached to a housing, is interposed between a support frame that supports the camera, and the housing and the support frame, and is subject to deformation or displacement of the support frame.
  • an elastic member that is elastically deformed at least in part between the housing and the support frame is included.
  • FIG. 3 is a sectional view taken along line VV of FIG. 3, showing a state in which the support frame is attached to the housing.
  • FIG. 3 is a sectional view taken along line VI-VI of FIG. 3, showing a state in which a support frame is attached to a housing.
  • It is a top view which shows the rubber member attached to a housing.
  • the directions indicated by X1 and X2 in the figure are defined as right and left
  • the directions indicated by Y1 and Y2 in the figure are defined as front and rear, respectively
  • the directions indicated by Z1 and Z2 in the figure are respectively.
  • Upper and lower. Each of these directions indicates a direction as seen by the user wearing the head-mounted display 1.
  • the head-mounted display 1 is referred to as an HMD (Head Mounted Display) 1.
  • the configuration arranged on the right side is indicated by a reference numeral R
  • the configuration arranged on the left side is indicated by a reference numeral L
  • the configuration is indicated by a reference numeral R
  • the configuration arranged between the configuration and the configuration indicated by the reference numeral L is indicated by the reference numeral C.
  • the reference numerals R, L, and C are omitted.
  • the rubber member arranged on the right side is shown as the rubber member 40R. The same applies to the mounting portion 131 and the like.
  • FIG. 1 is a perspective view showing the overall configuration of the HMD according to the present embodiment. As shown in FIG. 1, the HMD 1 has an apparatus main body 10 and a mounting band 20.
  • the mounting band 20 extends rearward from the device body 10.
  • the wearing band 20 surrounds the user's head.
  • the wearing band 20 is annular, and it is preferable that the user's head is arranged inside the wearing band 20.
  • the apparatus main body 10 has at least a display 11 (see FIG. 2), a lens 12 (see FIG. 2), and a housing 110 that accommodates the display 11 and the lens 12 and constitutes the appearance of the apparatus main body 10. ing.
  • the display 11 displays a three-dimensional image.
  • the present invention is not limited to this, and the image displayed by the display 11 may be a two-dimensional image.
  • the display 11 may be, for example, a liquid crystal display device or an organic electroluminescence display device, but the type thereof is not particularly limited.
  • the device body 10 covers the user's eyes.
  • the housing 110 may be, for example, made of resin.
  • the HMD1 is equipped with a stereo camera 30.
  • the stereo camera 30 includes a right camera 30R and a left camera 30L.
  • the right camera 30R and the left camera 30L are exposed from the openings 111 and 112 of the housing 110, respectively, and are provided so that the front can be photographed.
  • the stereo camera 30 may be, for example, a camera for SLAM (Simultaneous localization and mapping) that enables three-dimensional recognition by estimating the position and orientation of the camera (position and orientation of the HMD1) from the captured image.
  • SLAM Simultaneous localization and mapping
  • the number and position of cameras are not limited to those shown in the figure.
  • the camera support structure 100 includes at least a support frame 130 that supports the stereo camera 30, and a rubber member 40 that will be described later and is interposed between the housing 110 and the support frame 130.
  • FIG. 2 is a cross-sectional view of the HMD cut out at the cut surface passing through the right camera, and is a schematic cross-sectional view schematically showing a state before fastening the screws. Note that hatching is omitted in FIG.
  • FIG. 3 is a plan view showing a support frame. In FIG. 3, the front side of the paper is the front and the back of the paper is the back.
  • FIG. 4 is an exploded perspective view showing the camera support structure. Note that in FIG. 4, the support frame 130 is not shown.
  • FIG. 5 is a sectional view taken along line VV of FIG. 3, showing a state in which the support frame is attached to the housing.
  • FIG. 6 is a sectional view taken along line VI-VI of FIG. 3, showing a state in which the support frame is attached to the housing.
  • FIG. 7 is a plan view showing a rubber member attached to the housing.
  • the HMD1 has a support frame 130.
  • the support frame 130 supports the right camera 30R and the left camera 30L. Further, the support frame 130 is attached to the front portion of the housing 110 from the rear using screws 50.
  • the support frame 130 may be made of resin, for example.
  • the support frame 130 is not limited to a configuration that is directly attached to the housing 110, and may be attached to a frame that is fixed to the housing 110 in the housing 110.
  • the support frame 130 is attached to the housing 110 via a rubber member 40 which is an elastic member.
  • a rubber member 40 which is an elastic member.
  • the housing 110 has a pillar 115 that extends rearwardly and has a female thread. It is preferable that the number of columns 115 is the same as the number of rubber members 40. In this embodiment, the housing 110 has three columns 115.
  • the rubber member 40 has a cylindrical main body portion 40a in which an insertion hole h through which a pillar 115 of the housing 110 is inserted is formed. Further, the rubber member 40 has a first flange portion 40b provided on one end side of the main body portion 40a in the insertion direction of the screw 50 and a second flange provided on the other end side of the main body portion 40a in the insertion direction of the screw 50. It has a part 40c and.
  • the support frame 130 has a first maximum width L1 in the first direction (directions indicated by Z1 and Z2 in the illustrated example), and is orthogonal to the first direction. It is a plate having a second maximum width L2 wider than the first maximum width L1 in the direction (directions indicated by X1 and X2 in the illustrated example). That is, the support frame 130 has a longitudinal direction in the left-right direction. The right camera 30R and the left camera 30L are separated from each other in the longitudinal direction of the support frame 130 and are supported by the support frame 130.
  • planar shape of the support frame 130 shown in FIG. 3 and the locations where the screws are fastened are examples, and the present invention is not limited to these.
  • an arc-shaped mounting portion 131R is provided on the right portion of the support frame 130.
  • an arc-shaped mounting portion 131L is provided on the left portion of the support frame 130.
  • an arc-shaped mounting portion 131C is provided on the upper portion of the support frame 130.
  • the rubber members 40R, 40L, and 40C are fitted into the mounting portions 131R, 131L, and 131C, respectively. More specifically, the mounting portion 131 is fitted between the first flange portion 40b and the second flange portion 40c of the rubber member 40. As a result, the rubber member 40 is attached to the support frame 130.
  • the shape of the mounting portion 131 is an arc shape in which a part of the opening is cut out, but the shape of the mounting portion 131 is not limited to this.
  • the attachment portion may have a shape forming a circular opening in which a notch is not formed. In this case, it is advisable to push the rubber member 40 into the opening of the mounting portion while crushing it.
  • FIG. 3 shows a state in which the rubber member 40R and the rubber member 40C are attached to the support frame 130, and the rubber member 40L is attached to the support frame 130.
  • the support frame 130 is attached to the housing 110 with the rubber member 40 attached. Specifically, the support frame 130 is attached to the housing 110 by inserting the pillar 115 of the housing 110 into the insertion hole h of the rubber member 40 attached to the support frame 130.
  • the support frame 130 is fixed to the housing 110 by fastening the screw 50 to the screw groove formed in the pillar 115. .. As shown in FIGS. 2 and 4, it is preferable to provide a washer 60 on a disk between the screw head of the screw 50 and the second flange portion 40c of the rubber member 40.
  • the rubber member 40 has a protrusion P1 on the inner peripheral surface of the insertion hole h.
  • the protrusion P1 protrudes from the inner peripheral surface of the insertion hole h so as to come into contact with the outer peripheral surface of the pillar 115 of the housing 110.
  • four protrusions P1 are arranged in the circumferential direction of the insertion hole h on one side in the extending direction of the insertion hole h, and are arranged in the circumferential direction of the insertion hole h on the other side in the extension direction of the insertion hole h. An example in which four are provided is shown.
  • the rubber member 40 is attached to the support frame 130 so that the protrusion P1 protrudes in the horizontal direction and the vertical direction, but the present invention is not necessarily limited to this.
  • the rubber member 40 may be attached to the support frame 130 in a posture in which the protrusion P1 protrudes in another direction.
  • the diameter R of the inner peripheral surface of the insertion hole h is preferably slightly larger than the diameter r of the outer peripheral surface of the pillar 115. Specifically, it is preferable that the diameter R is larger than the diameter r so that the protrusion P1 just contacts the outer peripheral surface of the pillar 115.
  • the protrusion P1 is elastically deformable between the housing 110 and the support frame 130 as the support frame 130 is deformed or displaced.
  • the protrusion P1 may be elastically deformable between the outer peripheral surface of the pillar 115 of the housing 110 and the mounting portion 131 of the support frame 130 as the support frame 130 is deformed or displaced.
  • the deformation of the support frame 130 is, for example, thermal expansion due to heat generated in a circuit board or the like housed in the housing 110, and the displacement of the support frame 130 is caused by, for example, an impact due to a drop of the HMD1 or the like. Is.
  • the support frame 130 thermally expands, the support frame 130 may warp in the longitudinal direction, and the stereo camera 30 may face outward in the left-right direction.
  • the support frame 130 is easily deformed by thermal expansion so as to expand in the longitudinal direction (directions indicated by X1 and X2 in the figure). That is, in the example shown in FIG. 5, the shape of the support frame 130 is easily deformed so as to expand to the right (direction indicated by X1).
  • the attachment portion 131 of the support frame 130 pushes the rubber member 40 to the right (direction indicated by X1).
  • the protrusion P1 of the rubber member 40 is pressed against the pillar 115 and compressed.
  • the protrusion P1 of the rubber member 40 allows the deformation, so that the support frame 130 is less likely to warp.
  • the shape of the housing 110 may be deformed due to thermal expansion.
  • the position of the pillar 115 is displaced to the right (direction indicated by X1).
  • the pillar 115 pushes the rubber member 40 to the right (direction indicated by X1).
  • the protrusion P1 of the rubber member 40 is compressed.
  • the protrusion P1 of the rubber member 40 allows the deformation thereof, so that the deformation of the housing 110 does not affect the support frame 130.
  • the accuracy of the position and orientation of the stereo camera 30 is maintained, and the accuracy of distance measurement by the stereo camera 30 can be maintained.
  • the support frame 130 is made of resin. Therefore, the weight and cost can be reduced as compared with the case where the support frame 130 is made of metal.
  • the support frame 130 may be made of metal.
  • the rubber member 40 has a protrusion P2 on the second flange portion 40c.
  • the protrusion P2 protrudes in the direction opposite to the insertion direction of the screw 50 so as to come into contact with the washer 60.
  • the rubber member 40 has a protrusion P3 on the first flange portion 40b.
  • the protrusion P3 protrudes in the insertion direction of the screw 50 so as to come into contact with the peripheral region of the pillar 115 of the housing 110.
  • an example in which four protrusions P2 and four protrusions P3 are provided is shown, but the number and arrangement of the protrusions P2 and P3 are not limited to this.
  • the protrusions P2 and P3 are preferably elastically deformable due to deformation or displacement in the thickness direction of the support frame 130 (directions indicated by Y1 and Y2 in the drawing). With such a configuration, when an external force such as an impact due to dropping is generated, the protrusions P2 and P3 absorb the impact, and the position of the support frame 130 is suppressed from being displaced. Similarly, the protrusion P1 also absorbs an impact caused by dropping or the like. As a result, it is possible to prevent the support frame 130 from being displaced in the longitudinal direction. By suppressing the misalignment of the support frame 130 in this way, the accuracy of the position and orientation of the stereo camera 30 can be maintained, and the accuracy of distance measurement by the stereo camera 30 can be maintained.
  • the rubber member 40 is shown as the elastic member, but the present invention is not limited to this, and the elastic member is elastically deformed at least in part between the housing 110 and the support frame 130. All you need is. Further, in the present embodiment, the rubber member 40 having the protrusion P1 is shown, but the present invention is not limited to this, and the main body 40a itself of the rubber member 40 does not have the protrusion P1 and is the housing 110. It may be elastically deformed with the support frame 130.
  • the present invention is not limited to this, and the number of rubber members 40 may be one or more.
  • the rubber member 40 may be interposed between the support frame 130 and the housing 110 near the center of the support frame 130.
  • the stereo camera 30 including a pair of cameras is shown, but the camera supported by the support frame 130 is not limited to the stereo camera. Further, in addition to the stereo camera, another camera may be supported by the support frame 130.
  • the configuration shown in this embodiment is particularly effective for HMD1 which consumes a large amount of power in a circuit board on which electronic components are mounted. That is, it is effective for HMD1 in which the temperature inside the HMD1 tends to rise. Specifically, for example, it is effective for HMD1 that employs a wireless communication technology that consumes a large amount of power.
  • HMD1 has been described as an example, but the present invention is not limited to this, and any device may be used as long as it is required to maintain the accuracy of the position and orientation of the camera.
  • the camera support structure 100 may be applied to an unmanned aerial vehicle such as a drone.
  • the housing of the unmanned aerial vehicle is provided with a pillar with a female thread, and the pillar is inserted into the insertion hole h of the rubber member 40.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Accessories Of Cameras (AREA)
  • Studio Devices (AREA)
PCT/JP2020/022161 2019-06-11 2020-06-04 カメラ支持構造、ヘッドマウントディスプレイ Ceased WO2020250806A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US17/612,642 US11953809B2 (en) 2019-06-11 2020-06-04 Camera support structure and head-mounted display
JP2021526053A JP7527285B2 (ja) 2019-06-11 2020-06-04 カメラ支持構造、ヘッドマウントディスプレイ
JP2024117661A JP7818657B2 (ja) 2019-06-11 2024-07-23 カメラ支持構造、ヘッドマウントディスプレイ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-108350 2019-06-11
JP2019108350 2019-06-11

Publications (1)

Publication Number Publication Date
WO2020250806A1 true WO2020250806A1 (ja) 2020-12-17

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PCT/JP2020/022161 Ceased WO2020250806A1 (ja) 2019-06-11 2020-06-04 カメラ支持構造、ヘッドマウントディスプレイ

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US (1) US11953809B2 (https=)
JP (2) JP7527285B2 (https=)
WO (1) WO2020250806A1 (https=)

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JP7337223B1 (ja) 2022-05-11 2023-09-01 レノボ・シンガポール・プライベート・リミテッド 防振部材及び電子機器

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JPWO2020250806A1 (https=) 2020-12-17
JP2024144509A (ja) 2024-10-11
US11953809B2 (en) 2024-04-09
US20220244623A1 (en) 2022-08-04
JP7818657B2 (ja) 2026-02-20
JP7527285B2 (ja) 2024-08-02

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