WO2012105432A1 - Visiocasque - Google Patents

Visiocasque Download PDF

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Publication number
WO2012105432A1
WO2012105432A1 PCT/JP2012/051767 JP2012051767W WO2012105432A1 WO 2012105432 A1 WO2012105432 A1 WO 2012105432A1 JP 2012051767 W JP2012051767 W JP 2012051767W WO 2012105432 A1 WO2012105432 A1 WO 2012105432A1
Authority
WO
WIPO (PCT)
Prior art keywords
visibility
image
observer
mounted display
display unit
Prior art date
Application number
PCT/JP2012/051767
Other languages
English (en)
Japanese (ja)
Inventor
雄介 福田
Original Assignee
ブラザー工業株式会社
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 ブラザー工業株式会社 filed Critical ブラザー工業株式会社
Publication of WO2012105432A1 publication Critical patent/WO2012105432A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0176—Head mounted characterised by mechanical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B2027/0178—Eyeglass type

Definitions

  • the present invention relates to a head-mounted display, and more particularly to a see-through type head-mounted display that transmits external light and can visually recognize an external image.
  • a head-mounted display in which a small image display unit with a built-in projection unit that projects image light onto the observer's eyes is attached to the support unit that is attached to the observer's head. It has been.
  • the projection unit of the image display unit an optical scanning type in which laser light emitted from a light source is two-dimensionally scanned and projected onto the observer's eyes, or an electronic image from a liquid crystal display device is applied to the observer's eyes.
  • a liquid crystal display type to project.
  • image light Lb is transmitted by the half mirror 100 while transmitting the external light La using the half mirror 100.
  • see-through type in which the image is reflected and projected to the eyes of the observer M1, and the external image can be visually recognized together with the display image.
  • the image light Lb from the image display unit 200 is reflected by the half mirror 100 as shown in FIG. . That is, the transmitted image light Lb1 is emitted to the outside as it is. Therefore, for example, in a place where many people gather, the image light Lb1 emitted to the outside world may enter the eyes of another person M2 and cause discomfort. Furthermore, even if the display image has a highly confidential content, the leaked image light Lb1 may cause the content of the display image to be known to others M2.
  • the light shielding plate 300 is placed at a position where the image light Lb1 (FIG. 10A) transmitted through the half mirror 100 is shielded from the outside.
  • An HMD having a configuration to hold has been proposed (see, for example, Patent Document 1).
  • reference numeral 210 denotes a liquid crystal display, for example, disposed in the image display unit 200
  • reference numeral 400 denotes a glasses-type support that holds the image display unit 200
  • reference numeral F denotes an observer M1. Is shown.
  • a head-mounted display includes an image display unit that emits image light, and a half that reflects the image light emitted from the image display unit and projects the image light onto an observer's eyes.
  • a visibility-inhibiting member that can reduce the visibility from the outside world is held.
  • the visibility-inhibiting member is substantially the same as the eye width line connecting the eyes of the observer and at least the eye width line from the far end as viewed from the observer in the half mirror. You may arrange
  • the visibility impeding member may be a light diffusing member that diffuses image light transmitted through the half mirror.
  • the light diffusing member may have a light diffusing direction defined therein.
  • the support frame is connected to the front part arranged in front of the observer's face and both left and right end parts of the front part, respectively, for hanging on the observer's ear. It may be configured as an eyeglass type having a temple portion, the image display unit may be attached to one of the left and right temple portions, and the visibility impeding member may be disposed near the center of the front portion. .
  • the visibility-inhibiting member may be held by a holding member, and the holding member may be connected to the image display unit.
  • the holding member may be formed of a transparent member having a dustproof / protective function with respect to the image display unit, and the visibility inhibiting member may be attached to the transparent member.
  • the visibility inhibiting member may be held by a holding member, and the holding member may be attached in the vicinity of the center portion of the front portion.
  • the visibility-inhibiting member is held by a holding member, and the base end portion is positioned on the temporal side of the observer so that the holding member does not disturb the view of the observer.
  • the tip may be formed in an arch shape that extends so as to pass above the observer's line of sight.
  • the support frame may be a dedicated spectacles type frame for fixing the visibility impeding member.
  • the optical axis of the image light may be inclined toward the face side so that the direction of the image light emitted from the image display unit gradually approaches the face.
  • the visibility inhibiting member for reducing the visibility of the image light transmitted through the half mirror is disposed in the vicinity of the center portion of the front portion disposed in front of the observer's face. Leakage to the outside world can be suppressed, and there is no possibility that a display image that is, for example, confidential content will be viewed by a third party. Moreover, since the visibility hindering member does not hinder the view of the observer, it can be used comfortably without fear of impairing the usability of the HMD.
  • HMD head mounted display
  • the HMD according to the present embodiment includes a liquid crystal display device 10 that displays an electronic image, and displays a monocular image that emits image light Lb that is visually recognized as a display image to the eyes E of the observer.
  • a unit 1 and a half mirror 9 that reflects the image light Lb emitted from the image display unit 1 and projects it onto the eyes of the observer M1 are provided. That is, the HMD according to the present embodiment causes the external light La transmitted through the half mirror 9 and the image light Lb reflected by the half mirror 9 to enter the eye E of the observer M1, and image light is displayed on the outside scene by the external light La. It is a see-through type that allows the observer M1 to visually recognize the display images by Lb.
  • the HMD transmits a control signal to the liquid crystal display device 10 and includes a control unit 2 including a control unit that performs drive control of the entire HMD and an operation unit that performs operations including on / off of the HMD, A transmission cable 3 for connecting the image display unit 1 is provided.
  • the HMD can be attached to the image display unit 1 and can be mounted on the head of the observer M1, and serves as a support frame that can support the image display unit 1 on the head of the observer M1. And a glasses-type frame 6.
  • the control unit 2 is constituted by a box-shaped casing that can be carried in a pocket of the clothes of the observer M1 or attached to the waist or the like. Then, an image signal corresponding to the content data stored in the built-in content storage unit is transmitted to the liquid crystal display device 10 of the image display unit 1 via the transmission cable 3 by performing an activation operation via an operation unit (not shown). can do.
  • control unit 2 can be provided with an external input / output terminal, for example, to input / output content data to / from an external personal computer or the like.
  • content data includes at least one of data for displaying characters, data for displaying still images, and data for displaying moving images. Document files, image files, video files, etc. used on personal computers.
  • the eyeglass-type frame 6 that is a support frame of the image display unit 1 is composed of a front portion 15 and left and right temple portions 16, 16.
  • the unit 1 can be easily placed on either the left side or the right side of the observer M1.
  • the image display unit 1 is arranged on the left side of the observer M1 and is attached to the left side of the front part 15 via the attachment 7. However, it may be attached to the right side of the front part 15. Is possible.
  • the image display unit 1 includes a rectangular box-shaped casing 12 in which the liquid crystal display device 10 is built.
  • a half mirror support member 91 is provided on the distal end surface of the casing 12 on the side away from the eye E.
  • the base end of the half mirror 9 is connected to the mirror support member 91.
  • One end of the transmission cable 3 is connected to the base end surface of the casing 12.
  • a part of the image light Lb passes through the half mirror 9 and leaks to the outside.
  • the content may be known if the leaked image light Lb is incident on the eyes of a third party.
  • the visibility-inhibiting member 5 that reduces the visibility of the image light Lb that has passed through the half mirror 9 so as to be positioned in the vicinity of the center portion of the front portion 15 of the spectacle-shaped frame 6. It is set as HMD which arranged.
  • the visibility inhibiting member 5 is preferably a light diffusing member that diffuses the image light Lb transmitted through the half mirror 9, for example. This is from the viewpoint of suppressing as much as possible that the content details are known while making the surrounding people aware that the HMD is being used.
  • the visibility-inhibiting member 5 is not limited to the light diffusing member, and may be a light-shielding member that completely blocks the image light Lb transmitted through the half mirror 9.
  • FIG. 1 it is the front end of a half mirror support member 91 protruding from the front end of the image display unit 1, and is further viewed from the end on the far side as viewed by the observer, and further a visibility inhibiting member holding member (hereinafter “ 50 ”(referred to as“ holding members ”) are connected and extended toward the right eye side.
  • 50 a visibility inhibiting member holding member
  • the base end of the visibility inhibiting member 5 formed in a substantially rectangular plate shape is connected and held at the tip of the holding member 50. At this time, the visibility impeding member 5 is arranged in the predetermined region S.
  • the predetermined region S is the eye width line d connecting the left and right eyes E, E of the observer, and at least the eye width line d from the far end of the half mirror 9 as viewed from the observer. It is an area defined by a convergence point located between the lines extending substantially in parallel.
  • the convergence point is a position at which the lines of sight of the left and right eyes E and E converge on the object to be viewed.
  • the point of convergence indicates a point at which the lines of sight of the left and right eyes E and E intersect.
  • the angle of the apex of a substantially isosceles triangle with the eye width line d, which is the distance between the left and right eyes E, as the base, and the distance f to the visual object as the height.
  • the eye width line from the proximal end of the half mirror 9 The visibility inhibiting member 5 is disposed at the tip of the holding member 50 that extends substantially in parallel with d.
  • the convergence angle refers to an angle formed by the lines of sight of the left and right eyes E and E being converged to the position of the visual target.
  • FIG. 2 shows a comparative example in which the visibility-inhibiting member 5 is arranged as conventionally known.
  • the visibility-inhibiting member 5 is disposed at a position deviated from the predetermined region S described above.
  • the visibility impeding member 5 is always present inside. That is, the visibility-inhibiting member 5 stays in the observer's line of sight F, which is a factor that impedes visibility.
  • the visibility hindering member 5 is disposed in the predetermined region S via the holding member 50, so that the field of view is not obstructed and the HMD can be comfortably provided. Can be used.
  • the convergence point does not necessarily exist at the position of the front view, and exists even when the object to be viewed is not the front but shifted to the left or right. Therefore, the region S is not necessarily an isosceles triangle in plan view.
  • the region S is not necessarily an isosceles triangle in plan view.
  • there may be a substantially right-angled triangle having a distance between the left and right eyes E, E as a base and a distance f from the left eye E to a visual target as a height.
  • the visibility inhibiting member 5 is disposed within the range defined by the angle ⁇ close to the left eye E out of the angle ⁇ that forms a half of the convergence angle, as described above. It is not limited.
  • the visibility-inhibiting member 5 is in a region formed by connecting the convergence point set before the display position by the image light Lb and the eyes E and E of the observer, and the half mirror 9. It is also possible to dispose the image light Lb that has passed through the region where the image light Lb reaches, and this can also prevent the visibility-inhibiting member 5 from being an obstacle to the observer's field of view as much as possible.
  • the visibility inhibiting member 5 is configured to function as a light guide plate. That is, the visibility-inhibiting member 5 has a prescribed light diffusion direction.
  • the light diffusion direction can be defined so that the image light Lb that has passed through the half mirror 9 travels inside the visibility-inhibiting member 5 and emits light up to the leading edge.
  • a light-shielding seal or the like is attached to the outer surface of the light diffusion member, or a light-shielding paint or the like is used. It may be applied.
  • the half mirror 9 is attached to the image display unit via the half mirror support member 91.
  • the half mirror 9 is directly attached to the image display unit 1 without using the half mirror support member 91.
  • the holding member 50 has been described as a separate structure from the half mirror support member 91, the half mirror 9 is visually recognized at the tip of the holding member 50 as a member that can be used as the holding member 50 and the half mirror support member 91. It can also be set as the structure which attaches the sex inhibiting member 5.
  • the structure shown in FIG. 4 uses a dual-purpose holding member 8 having a frame structure in which four frames 80 are extended from the four corners of the front end surface of the image display unit 1. 9 and the visibility-inhibiting member 5 can be held by the same member.
  • reference numeral 92 denotes a plurality of mirror mounting portions provided at predetermined intervals
  • reference numeral 93 denotes a positioning portion that holds the tip of the mirror and defines the arrangement angle of the half mirror 9.
  • the visibility impeding member 5 is not inclined perpendicular to the image light Lb from the liquid crystal display device 10 but is inclined at substantially the same angle as the angle ⁇ forming 1 ⁇ 2 of the convergence angle described above. . Therefore, the length of the dual-purpose holding member 8 can be shortened as much as possible to make it compact. In this manner, it goes without saying that the visibility-inhibiting member 5 being tilted can be applied to the previous embodiment (see FIG. 1).
  • the visibility inhibiting member 5 is a light diffusing member, and a part of the image light Lb leaks from the visibility inhibiting member 5 to the outside world.
  • the content C of the display image is blurred to the other person M2, and thus there is no possibility that the content content is known.
  • the light diffusing member can be configured such that the leading edge emits light as described above, or can diffuse light in a desired direction, assuming that the light diffusing direction is defined. Note that when the light diffusion member (visibility inhibition member 5) is inclined as in the present embodiment, the observer M1 actually uses the HMD without defining the light diffusion direction at the end. People around you can also recognize this.
  • the dual-purpose holding member 8 may be composed of only four frames 80 and communicate with the outside world, but the surface formed between the frames 80 and 80 is made of a transparent member such as a transparent film or a transparent plate. Can be formed. With such a configuration, the image display unit 1 and the half mirror 9 and the visibility hindering member 5 can have a dustproof / protective function.
  • the four frames 80 constituting the dual-purpose holding member 8 are extended from the end face of the image display unit 1.
  • the distance between the upper and lower frames 80, 80 is narrow, the view is obstructed.
  • the space between the upper and lower frames 80 and 80 can be appropriately widened by interposing a member fixture.
  • the dual-purpose holding member 8 is formed in a solid block shape with a translucent material made of glass, synthetic resin, or the like, instead of the four frames 80.
  • the half mirror 9 and the visibility hindering member 5 are embedded.
  • the half mirror 9 and the visibility-inhibiting member 5 can be securely fixed, and even when an impact or the like is applied from the outside, there is no possibility that both will be displaced. Also in this case, since the dual-purpose holding member 8 is formed of a transparent member, it has a dustproof / protective function for the image display unit 1 and for the half mirror 9 and the visibility hindering member 5. Become.
  • the visibility hindering member 5 is held by a locking tool 82 as a holding member, and the locking tool 82 is attached in the vicinity of the center portion of the front portion 15 of the spectacles frame 6.
  • the visibility-inhibiting member 5 is attached to the casing 12 of the image display unit 1 directly or indirectly.
  • the visibility-inhibiting member 5 is attached to the vicinity of the center portion of the front portion 15 of the eyeglass-type frame 6 via the locking tool 82.
  • reference numeral 52 denotes a pivot portion provided on the locking tool 82, and the visibility inhibition member 5 is adjustable in angle by connecting the proximal end of the visibility inhibition member 5 to the pivot portion 52. Can do.
  • the pivot support portion 52 is not adopted, and the attachment angle of the visibility impeding member 5 may be fixed.
  • the members for holding the visibility-inhibiting member 5 from the image display unit 1 do not protrude, thereby hindering the view of the observer M1. This can be suppressed as much as possible.
  • the weight burden on the image display unit 1 is reduced, design restrictions on the strength of the attachment 7 and the attachment strength between the attachment 7 and the front portion 15 of the spectacle frame 6 are relaxed.
  • the base end portion 41 is positioned on the temporal side of the observer M1 so that the member for holding the visibility-inhibiting member 5 does not disturb the view of the observer M1.
  • the distal end portion is formed in an arch shape extending so as to pass above the line of sight of the observer M1.
  • the arch-type holding member 4 includes a type in which a base end portion 41 is attached to the front portion 15 of the spectacles type frame 6, and a base end portion as shown in FIG. There is a type in which 41 is attached to the casing 12 of the image display unit 1.
  • a connecting portion 42 that forms a base end portion 41 protruding upward, and extends from the connecting portion 42 toward the nose of the observer M1, and the distal end portion 43 has a base end of the visibility inhibiting member 5. It is comprised from the arm part 44 which connected.
  • the arch-type holding member 4 configured to bypass the eye E of the observer M1 can also prevent the observer M1 from being obstructed as much as possible.
  • the eye E is bypassed by the arm portion 44, it is possible not only to extend the arm portion 44 upward as in the present embodiment, but also to extend downward, but on the functional surface and the design surface. Then, it is desirable to make a detour upward like this embodiment.
  • FIG. 8 The structure shown in FIG. 8 is basically the same as the structure shown in FIG. 1 as the structure of the member for holding the visibility inhibiting member 5, and is a half projecting from the tip of the image display unit 1.
  • a holding member 51 is further connected to the tip of the mirror support member 91 and extends toward the right eye.
  • the liquid crystal display device 10 built in the image display unit 1 is disposed so as to be inclined by a predetermined angle ⁇ , and the direction of the image light Lb emitted from the image display unit 1 gradually approaches the face of the observer M1.
  • the optical axis of the image light Lb is tilted toward the face side.
  • the holding member 51 can also be disposed so that the tip gradually approaches the face so that the visibility-inhibiting member 5 does not protrude greatly in front of the face.
  • the area of the visibility inhibiting member 5 can be further reduced.
  • the visibility-inhibiting member 5 is a light diffusing member
  • the light transmitted through the light diffusing member is directed obliquely behind the observer M1, so that the person who is in front of or side of the observer M1 passes through the display image. There is less fear of knowing the content.
  • the liquid crystal display type in which the image display unit 1 is provided with the liquid crystal display device 10 is used as the HMD.
  • the liquid crystal display device 10 is not necessarily required for carrying out the present invention.
  • an organic EL (Organic Electro-Luminescence) display device may be used.
  • an HMD provided in the image display unit 1 may be provided with an optical scanning display device that causes the scanned laser light to enter the eye E of the observer M as image light Lb.
  • reference numeral 13 denotes an optical scanning unit
  • reference numeral 14 denotes a projection unit provided with a lens or the like.
  • the same holding member 8 as that in FIG. 4 is used as a member for holding the visibility inhibiting member 5, but here, the visibility inhibiting member 5 is centered on the pivot 55. It is attached so that it can rotate freely. Therefore, for example, when the light diffusion direction of the visibility inhibiting member 5 is defined, the diffusion direction can be arbitrarily changed to a desired direction.
  • image display unit 1 has been described as being configured to be attached to the front portion 15 of the glasses-type frame 6, the image display unit 1 can also be attached to the temple portion 16 of the glasses-type frame 6.
  • the spectacle-type frame 6 in each of the embodiments described above has been described as a dedicated spectacle-type frame mainly for fixing the visibility-inhibiting member 5, but the attachment 7, the locking tool 82 (see FIG. 5), and the like are appropriately used. It is also possible to use a general spectacle frame by changing.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

L'invention concerne un visiocasque semi-transparent permettant d'empêcher une fuite vers l'extérieur d'une lumière d'image qui traverse un miroir semi-transparent sans gêner le champ de vision de l'observateur. Le visiocasque est équipé : d'une unité d'affichage d'image qui émet en sortie la lumière d'image; du miroir semi-transparent qui réfléchit ladite lumière d'image émise en sortie par l'unité d'affichage d'image, et la projette sur l'œil de l'observateur; et d'une armature de support capable de supporter ladite unité d'affichage d'image sur la tête de l'observateur. En outre, le visiocasque est configuré sous forme de lunettes munies : d'une partie avant qui dispose ladite armature de support à l'avant du visage de l'observateur; et de parties branche chacune reliées aux parties extrémité droite et gauche de la partie avant, et destinées à s'accrocher aux oreilles dudit observateur. Ladite unité d'affichage d'image est installée sur l'une desdites parties branche droite ou gauche. Un élément bloquant la visibilité qui réduit la visibilité de la lumière d'image traversant ledit miroir semi-transparent, est disposé à proximité de la partie centrale de ladite partie avant.
PCT/JP2012/051767 2011-01-31 2012-01-27 Visiocasque WO2012105432A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-019200 2011-01-31
JP2011019200A JP5273169B2 (ja) 2011-01-31 2011-01-31 ヘッドマウントディスプレイ

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WO2012105432A1 true WO2012105432A1 (fr) 2012-08-09

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Application Number Title Priority Date Filing Date
PCT/JP2012/051767 WO2012105432A1 (fr) 2011-01-31 2012-01-27 Visiocasque

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WO (1) WO2012105432A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9841600B2 (en) 2012-08-21 2017-12-12 3M Innovative Properties Company Viewing device
GB2564156A (en) * 2017-07-06 2019-01-09 Thales Holdings Uk Plc A Display system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5893077B2 (ja) * 2014-05-19 2016-03-23 株式会社東芝 表示装置
JP6115532B2 (ja) * 2014-09-12 2017-04-19 ブラザー工業株式会社 画像表示装置
JP6418193B2 (ja) 2016-03-30 2018-11-07 ブラザー工業株式会社 ヘッドマウントディスプレイ

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0678247A (ja) * 1992-08-24 1994-03-18 Olympus Optical Co Ltd 頭部装着式ディスプレイ装置
JPH0670381U (ja) * 1993-03-10 1994-09-30 オリンパス光学工業株式会社 頭部装着型ディスプレイ装置
JPH08251510A (ja) * 1995-03-10 1996-09-27 Olympus Optical Co Ltd 頭部装着型映像表示装置
JP2010134134A (ja) * 2008-12-04 2010-06-17 Brother Ind Ltd ヘッドマウントディスプレイ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0678247A (ja) * 1992-08-24 1994-03-18 Olympus Optical Co Ltd 頭部装着式ディスプレイ装置
JPH0670381U (ja) * 1993-03-10 1994-09-30 オリンパス光学工業株式会社 頭部装着型ディスプレイ装置
JPH08251510A (ja) * 1995-03-10 1996-09-27 Olympus Optical Co Ltd 頭部装着型映像表示装置
JP2010134134A (ja) * 2008-12-04 2010-06-17 Brother Ind Ltd ヘッドマウントディスプレイ

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9841600B2 (en) 2012-08-21 2017-12-12 3M Innovative Properties Company Viewing device
US10180577B2 (en) 2012-08-21 2019-01-15 3M Innovative Properties Company Viewing device
US10527857B2 (en) 2012-08-21 2020-01-07 3M Innovative Property Company Viewing device
US11333890B2 (en) 2012-08-21 2022-05-17 3M Innovative Properties Company Viewing device
GB2564156A (en) * 2017-07-06 2019-01-09 Thales Holdings Uk Plc A Display system
GB2564156B (en) * 2017-07-06 2019-12-25 Thales Holdings Uk Plc A Display system

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JP5273169B2 (ja) 2013-08-28
JP2012159680A (ja) 2012-08-23

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