JP2012053236A - Convergence angle changing unit - Google Patents

Convergence angle changing unit Download PDF

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JP2012053236A
JP2012053236A JP2010195125A JP2010195125A JP2012053236A JP 2012053236 A JP2012053236 A JP 2012053236A JP 2010195125 A JP2010195125 A JP 2010195125A JP 2010195125 A JP2010195125 A JP 2010195125A JP 2012053236 A JP2012053236 A JP 2012053236A
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optical member
eye
observer
eyes
angle
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Toru Fujii
藤井　　透
Tsuneyuki Kubo
恒之 久保
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Olympus Visual Communications Corp
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Olympus Visual Communications Corp
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Priority to JP2010195125A priority Critical patent/JP2012053236A/en
Priority to PCT/JP2011/067438 priority patent/WO2012029478A1/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/14—Mirrors; Prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
    • G02B30/36—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers using refractive optical elements, e.g. prisms, in the optical path between the images and the observer
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C9/00—Attaching auxiliary optical parts
    • G02C9/04—Attaching auxiliary optical parts by fitting over or clamping on
    • 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
    • G03B35/00—Stereoscopic photography
    • G03B35/18—Stereoscopic photography by simultaneous viewing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H04N13/341—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using temporal multiplexing

Abstract

PROBLEM TO BE SOLVED: To provide a convergence angle changing unit which is attached to a spectacle type member to adjust a convergence angle different in each observer and which changes a convergence angle by changing arrangement positions of a left eye deflecting optical member and a right eye deflecting optical member attached to the convergence angle changing unit for adjusting the convergence angle.SOLUTION: The convergence angle changing unit attached to the spectacle type member to be worn by an observer observing a three-dimensional image to change convergence angles of observer's both eyes includes deflecting optical members arranged in front of both the eyes of the observer observing the three-dimensional image to deflect light from the three-dimensional image so that an incident angle on a base line connecting both the eyes is changed and to guide the deflected light to the both eyes of the observer.

Description

本発明は、眼鏡型部材を用いて３次元画像を観察する際の両眼のふくそう角を変更するふくそう角変更ユニット、及びふくそう角変更方法に関する。   The present invention relates to a congestion angle changing unit and a congestion angle changing method for changing the congestion angle of both eyes when a three-dimensional image is observed using a spectacle-shaped member.

従来から、観察者の左眼と右眼に互いに視差がある２次元映像である左眼用映像と右眼用映像を別々に提供して立体視を実現する技術が知られている。例えば、（１）左右の画像を夫々赤と青の２色で合成し、観察者の装着した眼鏡に各々青と赤のフィルタを取り付け、左眼では青色若しくは赤色の一方の画像のみ、右眼では青色若しくは赤色の他方の画像のみ観察できるようにして、両眼視差により３次元映像を得るアナグリフ、（２）左眼用映像と右眼用映像を交互に表示し、この交互表示と同期して観察者が装着したメガネの左右のシャッタを開閉させ、右眼には右眼用画像のみが見え、左眼には左眼用画像のみが見えるようにする方法、（３）左眼用映像と右眼用映像の偏光方向を異ならせ、観察者が装着したメガネの左右の偏光フィルタにより一方の画像のみが透過するようにし、右眼には右眼用画像のみが見え、左眼には左眼用画像のみが見えるようにする方法、（４）ＨＭＤ(Head Mounted Display)などの観察者の左右の目に独立して像を提供する光学系を備えた装置を使う方法が知られている。また、このような技術は特許文献１に記載されている。   2. Description of the Related Art Conventionally, a technique for realizing stereoscopic vision by separately providing a left-eye image and a right-eye image, which are two-dimensional images having parallax in the left and right eyes of an observer, is known. For example, (1) the left and right images are combined with two colors of red and blue, respectively, and blue and red filters are attached to the glasses worn by the observer, and the left eye has only one image of blue or red, and the right eye Then, only the other image of blue or red can be observed, and an anaglyph that obtains a three-dimensional image by binocular parallax. (2) A left-eye image and a right-eye image are alternately displayed and synchronized with this alternate display. The left and right shutters of the glasses worn by the observer are opened and closed so that only the right eye image can be seen by the right eye and only the left eye image can be seen by the left eye; The right and left eye images are polarized in different directions so that only one image is transmitted by the left and right polarizing filters of the glasses worn by the observer, the right eye only sees the right eye image, and the left eye sees (4) HMD (Hea There is known a method using an apparatus equipped with an optical system that provides an image independently of the left and right eyes of an observer such as d Mounted Display). Such a technique is described in Patent Document 1.

上述のように、観察者の左眼と右眼に互いに視差がある２次元映像である左眼用画像と右眼用画像を別々に堤供することにより、大脳が立体感を認識して３次元の画像と解釈するが、このように、大脳が実際には２次元の画像２枚を融像して３次元の画像と解釈する要因の１つとして両眼のふくそう角がある。   As described above, the left eye image and the right eye image, which are two-dimensional images with parallax in the left and right eyes of the observer, are separately provided, so that the cerebrum recognizes the three-dimensional effect and is three-dimensional. As described above, there is a binocular congestion angle as one of factors that the cerebrum actually interprets as a three-dimensional image by fusing two two-dimensional images.

すなわち、物体を見つめるとき、像が網膜の中心にくるように眼球を回転させる。この角度がふくそう角であり、ふくそう角は物体までの距離によって変化するので、眼球の回転角から奥行きを知覚できる。   That is, when looking at an object, the eyeball is rotated so that the image is at the center of the retina. This angle is the congestion angle, and the congestion angle changes depending on the distance to the object, so that the depth can be perceived from the rotation angle of the eyeball.

図１１は現実世界でのふくそう角を説明する図である。現実世界で遠方にある物体５１を見つめると、物体５１が網膜の中心にくるように左眼球５３Ｌと右眼球５３Ｒが回動して、左眼球５３Ｌの観察光軸５４Ｌと右眼球５３Ｒの観察光軸５４Ｒが、物体５１上において角度θ１で交わる。この角度θ１のことを両眼のふくそう角と呼ぶ。同様に、より近い物体５２に対するふくそう角はθ２である。   FIG. 11 is a diagram illustrating the congestion angle in the real world. When looking at a distant object 51 in the real world, the left eyeball 53L and the right eyeball 53R rotate so that the object 51 comes to the center of the retina, and the observation light axis 54L of the left eyeball 53L and the observation light of the right eyeball 53R. The axes 54R intersect at an angle θ1 on the object 51. This angle θ1 is called the binocular congestion angle. Similarly, the congestion angle for the closer object 52 is θ2.

図１２は、観察者の左眼と右眼に互いに視差がある２次元映像である左眼用画像と右眼用画像を別々に提供することにより３次元画像を認識させる場合のふくそう角について説明する図である。   FIG. 12 illustrates the congestion angle in the case of recognizing a three-dimensional image by separately providing a left-eye image and a right-eye image, which are two-dimensional images with parallax in the left and right eyes of the observer. It is a figure to do.

先ず、図１２(ａ)に示すように、観察者は眼の前に置かれたスクリーン５５上に表示された、互いに視差がある２次元画像である左眼用画像５６Ｌと右眼用画像５６Ｒを３次元画像観察用メガネ５９で観察する。３次元画像観察用メガネ５９は、左眼用画像５６Ｌからの光線を左眼５３Ｌには導くが右眼５３Ｒには導かないように作用し、右眼用画像５６Ｒからの光線を右眼５３Ｒには導くが左眼５３Ｌには導かないように作用する。その結果、観察者の左眼は図１２(ｂ)の左側に示した画像を観察し、右眼は右側に示した画像を観察し、左眼は左側に示した画像を観察し、左眼用画像５６Ｌと右眼用画像５６Ｒは視差あり、観察されるスクリーン５５上での位置が異なっている。   First, as shown in FIG. 12A, the observer displays a left-eye image 56L and a right-eye image 56R, which are two-dimensional images with parallax, displayed on a screen 55 placed in front of the eyes. Is observed with the glasses 59 for three-dimensional image observation. The three-dimensional image observation glasses 59 act so as to guide the light from the left eye image 56L to the left eye 53L but not to the right eye 53R, and to direct the light from the right eye image 56R to the right eye 53R. Acts so as not to guide the left eye 53L. As a result, the left eye of the observer observes the image shown on the left side of FIG. 12B, the right eye observes the image shown on the right side, the left eye observes the image shown on the left side, and the left eye The image for image 56L and the image for right eye 56R have parallax, and the positions on the screen 55 to be observed are different.

これを図１２（ａ）で示す位置関係で観察すると、左眼球５３Ｌと左眼用画像５６Ｌを結ぶ左眼観察光軸５８Ｌと、右眼球５３Ｒと右眼用画像５６Ｒを結ぶ右眼観察光軸５８Ｒは、空間の点５７において、角度θ３で交差する。その結果、あたかも、観察者には空間の点５７にある物体をふくそう角θ３で観察しているように認識される。この場合、実際に観察者の左眼球５３Ｌと右眼球５３Ｒはふくそう角θ３に応じて回転しており、この回転によってあたかも点５７に実際に物体があるような感覚が生成される。   When this is observed in the positional relationship shown in FIG. 12A, the left eye observation optical axis 58L connecting the left eyeball 53L and the left eye image 56L, and the right eye observation optical axis connecting the right eyeball 53R and the right eye image 56R. 58R intersects at a point 57 in space at an angle θ3. As a result, it is recognized as if the observer is observing the object at the point 57 in the space at the congestion angle θ3. In this case, the left eyeball 53L and the right eyeball 53R of the observer are actually rotated according to the congestion angle θ3, and a sensation as if the object is actually present at the point 57 is generated by this rotation.

特開２００４−１０４７４２号公報JP 2004-104742 A

このような左眼用映像と右眼用映像に基づく３次元映像データで知覚されるふくそう角は、基本的に左右の画像の視差量（画像の位置のずれ）によるが、観察者の眼球間の距離や、表示スクリーンの大きさ、表示スクリーンと観察者の間の距離などによって変化する。したがって、従来の３Ｄ映画館などでは表示スクリーンの大きさを考慮した視差量となるように３次元映像データの調整が行われている。   The congestion angle perceived in the three-dimensional video data based on the left-eye video and the right-eye video basically depends on the amount of parallax between the left and right images (image position shift). And the distance between the display screen and the observer. Therefore, in a conventional 3D movie theater or the like, the 3D video data is adjusted so that the amount of parallax is in consideration of the size of the display screen.

しかしながら、眼に負担が少なく、かつ十分な立体感を得られるふくそう角は、個人によって差異がある。また、３Ｄテレビや３Ｄパソコンなどでは表示するディスプレイのサイズが大小様々であり、かつ観察者が必ずしも適切な拒離で視聴するとは限らないため、眼に対する負担が大きくなることが問題となっている。   However, there is a difference in the angle of congestion at which the eye is lightly loaded and a sufficient stereoscopic effect can be obtained. Further, in 3D televisions, 3D personal computers, and the like, the size of the display to be displayed is large and small, and the viewer does not always view with appropriate rejection, which increases the burden on the eyes. .

しかし、従来技術においては、ふくそう角を観察者個々に適切に調整して３次元画像をより快適に観察させる技術は知られていなかった。そこで、本発明はこの課題に対応することを目的とする。   However, in the prior art, there has been no known technique for appropriately observing the three-dimensional image by appropriately adjusting the congestion angle for each observer. Therefore, an object of the present invention is to cope with this problem.

本発明は、眼鏡型部材に取り付けて観察者によって異なるふくそう角の調整を行なうふくそう角変更ユニットであり、ふくそう角の調整をふくそう角変更ユニットに設けられている左眼用偏向光学部材と右眼用偏向光学部材の配設位置を変更することによって、容易に行なうことを特徴とする。   The present invention is a congestion angle changing unit that is attached to a spectacle-shaped member and adjusts the congestion angle that varies depending on the observer, and the left-eye deflection optical member and the right eye that are provided in the congestion angle changing unit. It is easy to perform by changing the arrangement position of the deflection optical member.

より詳細に構成を述べると、本発明のふくそう角変更ユニットは、３次元画像観察時に観察者に装着される眼鏡型部材に取り付け、観察者の両眼のふくそう角を変更するふくそう角変更ユニットであり、３次元画像の観察者の両眼の前に配設され、上記３次元画像からの光線を、両眼を結ぶ基線に対する入射角が変化するように偏向させて観察者の両眼に導く偏向光学部材を有することを特徴とする。   In more detail, the congestion angle changing unit of the present invention is a congestion angle changing unit that is attached to a spectacle-type member worn by an observer during three-dimensional image observation, and changes the congestion angle of both eyes of the observer. Yes, arranged in front of the eyes of the observer of the three-dimensional image, and guides the light rays from the three-dimensional image to the eyes of the observer by deflecting so that the incident angle with respect to the base line connecting both eyes changes. It has a deflection optical member.

例えば、上記左眼用偏向光学部材及び右眼用偏向光学部材の向きを変更することにより、両眼を結ぶ基線に対する入射角の変化量を調整する、入射角変化量調整機構を有することを特徴とする。   For example, it has an incident angle change amount adjusting mechanism that adjusts the change amount of the incident angle with respect to the base line connecting both eyes by changing the direction of the deflection optical member for the left eye and the deflection optical member for the right eye. And

本発明のふくそう角変更方法は、眼鏡型部材を用いて３次元画像を観察する観察者の両眼のふくそう角を変更する方法であり、入射光を偏向して射出させる左眼用偏向光学部材を、上記３次元画像からの光線を両眼を結ぶ基線に対する入射角が変化するように偏向させて観察者の左眼に導くように、観察者の左眼の前に配設する左眼用偏向光学部材配設ステップと、入射光を偏向して射出させる右眼用偏向光学部材を、前記３次元画像からの光線を両眼を結ぶ基線に対する入射角が変化するように偏向させて観察者の右眼に導くように、観察者の右眼の前に配設する右眼用偏向光学部材配設ステップとを有し、上記左眼用偏向光学部材配設ステップで入射角が広がる方向に変化する場合には、上記右眼用偏向光学部材配設ステップでも入射角が広がる方向に変化させ、上記左眼用偏向光学部材配設ステップで入射角が狭まる方向に変化する場合には、上記右眼用偏向光学部材配設ステップでも入射角が狭まる方向に変化させることを特徴とする。   The congestion angle changing method according to the present invention is a method for changing the congestion angle of both eyes of an observer who observes a three-dimensional image using a spectacle-shaped member, and deflects optical light for left eye that deflects and emits incident light. For the left eye arranged in front of the left eye of the observer so that the light beam from the three-dimensional image is deflected so that the incident angle with respect to the base line connecting both eyes changes and guided to the left eye of the observer The deflecting optical member disposing step and the right-eye deflecting optical member that deflects and emits the incident light are deflected so that the incident angle with respect to the base line connecting the two eyes changes the light beam from the three-dimensional image. A right-eye deflecting optical member disposing step disposed in front of the right eye of the observer so that the incident angle is widened in the left-eye deflecting optical member disposing step. In the case of change, the incident angle is also determined in the right-eye deflection optical member disposing step. If the incident angle is changed in the direction in which the incident angle is narrowed in the left-eye deflection optical member arranging step, the incident angle is also changed in the direction in which the right-eye deflection optical member is arranged. Features.

本発明によれば、以下の実施形態で説明するように、眼鏡型部材に本発明のふくそう角変更ユニットを取り付け、ふくそう角変更ユニットに設けられた左眼用偏向光学部材と右眼用偏向光学部材の配設位置を調整することにより、観察者によって相違するふくそう角の変更を容易に行なうことができる。   According to the present invention, as will be described in the following embodiments, the constriction angle changing unit of the present invention is attached to the spectacle-shaped member, and the left-eye deflecting optical member and the right-eye deflecting optics provided in the constricting angle changing unit. By adjusting the arrangement position of the members, it is possible to easily change the congestion angle depending on the observer.

第１の実施形態のふくそう角変更ユニットの斜視図である。It is a perspective view of the congestion angle change unit of a 1st embodiment. (ａ)は、片側面のみが斜面であり、その対向面は垂直面のウエッジプリズムの例を示す図であり、（ｂ）は、両側面が斜面のウエッジプリズムの例を示す図である。(a) is a figure which shows the example of the wedge prism whose only one side is a slope, and the opposing surface is a perpendicular | vertical surface, (b) is a figure which shows the example of the wedge prism whose both sides | surfaces are a slope. （ａ）は、観察者の両眼の前に、ウエッジプリズムをベースアウト配設した模式図であり、（ｂ）は、観察者の両眼の前に、ウエッジプリズムをベースイン配設した模式図である。(A) is a schematic diagram in which a wedge prism is provided in a base-out manner in front of both eyes of an observer, and (b) is a schematic diagram in which a wedge prism is provided in a base-in manner in front of both eyes of the observer. FIG. 両眼を結ぶ基線に対する入射角が偏向光学部材によりどのように変化するかを説明する図である。It is a figure explaining how the incident angle with respect to the base line which connects both eyes changes with a deflection | deviation optical member. （ａ)は、片側面のみが斜面の左眼用偏向光学部材及び右眼用偏向光学部材をベースアウトで配設した偏向光学部材の例を示す図であり、（ｂ)は、両側面が斜面の左眼用偏向光学部材及び右眼用偏向光学部材をベースアウトで配設した偏向光学部材の例を示す図であり、（ｃ)は、片側面のみが斜面の左眼用偏向光学部材及び右眼用偏向光学部材をベースインで配設した偏向光学部材の例を示す図である。(A) is a figure which shows the example of the deflection | deviation optical member which has arrange | positioned the deflection optical member for left eyes and the deflection optical member for right eyes of which only one side is a slope at the base out, (b) It is a figure which shows the example of the deflection optical member which has arrange | positioned the deflection optical member for left eyes and the deflection optical member for right eyes by the base out, (c) is the deflection optical member for left eyes whose slope is only one side. It is a figure which shows the example of the deflection optical member which has arrange | positioned the deflection optical member for right eyes, and the base in. （ａ)は、片側面のみが斜面の左眼用偏向光学部材及び右眼用偏向光学部材を夫々ベースアウトで配設する例を示す図であり、（ｂ)は、両側面が斜面の左眼用偏向光学部材及び右眼用偏向光学部材を夫々ベースアウトで配設する例を示す図であり、（ｃ)は、片側面のみが斜面の左眼用偏向光学部材及び右眼用偏向光学部材をベースインで配設する例を示す図である。(A) is a figure which shows the example which arrange | positions the deflection optical member for left eyes and the deflection optical member for right eyes which only one side surface is a slope, respectively, and (b) is the left side of a slope on both sides. It is a figure which shows the example which arrange | positions the deflection optical member for eyes, and the deflection optical member for right eyes by base out, respectively, (c) is the deflection optical member for left eyes and the deflection optics for right eyes where only one side is a slope. It is a figure which shows the example which arrange | positions a member by base-in. (ａ)は、第２実施形態のふくそう角変更ユニットの斜視図であり、（ｂ）は、第２実施形態のふくそう角変更ユニットが取り付けられる眼鏡の斜視図である。(a) is a perspective view of the congestion angle change unit of 2nd Embodiment, (b) is a perspective view of the spectacles to which the congestion angle change unit of 2nd Embodiment is attached. 第３の実施形態のふくそう角変更ユニットの組立図である。It is an assembly drawing of the congestion angle change unit of 3rd Embodiment. 第３の実施形態のふくそう角変更ユニットを眼鏡に装着する状態を示す図である。It is a figure which shows the state which mounts the congestion angle change unit of 3rd Embodiment to spectacles. 眼鏡型部材を用いて３次元画像を観察する観察者の両眼のふくそう角を変更するふくそう角変更方法を説明するフローチャートである。It is a flowchart explaining the congestion angle change method which changes the congestion angle of both eyes of the observer who observes a three-dimensional image using a spectacles type member. ふくそう角を説明する模式図である。It is a schematic diagram explaining a congestion angle. ふくそう角を説明する模式図である。It is a schematic diagram explaining a congestion angle.

以下、本発明の実施の形態を図面に基づいて説明する。
（第１の実施形態）
図１は本実施形態のふくそう角変更ユニットの斜視図である。本実施形態のふくそう角変更ユニット１は、基本的に偏向光学部材２と、この偏向光学部材２を保持する保持部材３で構成されている。尚、眼鏡型部材４を使用して不図示の３次元画像を観察する際には、偏向光学部材２が保持部材３に保持された状態のふくそう角変更ユニット１を眼鏡型部材（以下、眼鏡で示す）４に装着して使用する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(First embodiment)
FIG. 1 is a perspective view of the congestion angle changing unit of this embodiment. The congestion angle changing unit 1 of the present embodiment basically includes a deflection optical member 2 and a holding member 3 that holds the deflection optical member 2. When observing a three-dimensional image (not shown) using the spectacle-type member 4, the congestion angle changing unit 1 in a state where the deflecting optical member 2 is held by the holding member 3 is used as the spectacle-type member (hereinafter, spectacle-type member). It is used by attaching to 4).

偏向光学部材２は左眼用偏向光学部材５と右眼用偏向光学部材６、及び両部材を連結するブリッジ部７で構成されている。また、左眼用偏向光学部材５にはプレート８が立設されている。上記左眼用偏向光学部材５、右眼用偏向光学部材６、ブリッジ部７等で構成される偏向光学部材２は、例えばポリカーボネート等の材料で一体成型加工によって製作される。したがって、ブリッジ部７は一定の弾性を有し、屈曲可能である。
尚、プレート８には、使用する左眼用偏向光学部材５及び右眼用偏向光学部材６の度数等が記述される。また、プレート８は偏向光学部材２を保持部材３に装着する際の取手としても機能する。 The deflection optical member 2 includes a left-eye deflection optical member 5, a right-eye deflection optical member 6, and a bridge portion 7 that connects the two members. A plate 8 is erected on the deflection optical member 5 for the left eye. The deflection optical member 2 including the left-eye deflection optical member 5, the right-eye deflection optical member 6, the bridge portion 7 and the like is manufactured by integral molding with a material such as polycarbonate. Therefore, the bridge portion 7 has a certain elasticity and can be bent.
The plate 8 describes the power of the left-eye deflection optical member 5 and the right-eye deflection optical member 6 to be used. The plate 8 also functions as a handle when the deflection optical member 2 is attached to the holding member 3.

一方、保持部材３は左右のホルダ部１０Ｌと１０Ｒ、及び左右のホルダ部１０Ｌと１０Ｒを結合するヒンジ部１１で構成されている。左右のホルダ部１０Ｌと１０Ｒは、上記左眼用偏向光学部材５と右眼用偏向光学部材６を収納する保持部であり、左ホルダ部１０Ｌに左眼用偏向光学部材５が保持され、右ホルダ部１０Ｒに右眼用偏向光学部材６が保持される。   On the other hand, the holding member 3 includes left and right holder portions 10L and 10R, and a hinge portion 11 that couples the left and right holder portions 10L and 10R. The left and right holder portions 10L and 10R are holding portions for storing the left-eye deflection optical member 5 and the right-eye deflection optical member 6, and the left-eye deflection optical member 5 is held by the left holder portion 10L. The right-eye deflection optical member 6 is held by the holder portion 10R.

左右のホルダ部１０Ｌと１０Ｒには、夫々バネ部材１２Ｌ、１２Ｒ、及び取付部材１３Ｌ、１３Ｒが設けられている。例えば、図１に示すように、左ホルダ部１０Ｌにはバネ部材１２Ｌと取付部材１３Ｌが配設され、右ホルダ部１０Ｒにはバネ部材１２Ｒと取付部材１３Ｒが配設されている。   The left and right holder portions 10L and 10R are provided with spring members 12L and 12R and attachment members 13L and 13R, respectively. For example, as shown in FIG. 1, a spring member 12L and an attachment member 13L are disposed on the left holder portion 10L, and a spring member 12R and an attachment member 13R are disposed on the right holder portion 10R.

ヒンジ部１１はヒンジ１１ａ、１１ｂ、及びヒンジ１１ａ、１１ｂを連結する連結部材１１ｃで構成され、連結部材１１ｃを軸に所定の負荷を有して回動可能に構成されている。すなわち、左右のホルダ部１０Ｌと１０Ｒはヒンジ部１１によって互いの角度が変更可能である。   The hinge portion 11 includes hinges 11a and 11b and a connecting member 11c that connects the hinges 11a and 11b, and is configured to be rotatable with a predetermined load about the connecting member 11c. That is, the angles of the left and right holder portions 10L and 10R can be changed by the hinge portion 11.

上記構成の保持部材３に偏向光学部材２を上方から装着してふくそう角変更ユニット１となる。具体的には、保持部材３の上方より偏向光学部材２を保持部材３に装着する。その際、左眼用偏向光学部材５を左ホルダ部１０Ｌに形成された溝１４Ｌに沿って嵌入し、右眼用偏向光学部材６を右ホルダ部１０Ｒに形成された溝１４Ｒに沿って嵌入し、左眼用偏向光学部材５及び右眼用偏向光学部材６を対応する左右のホルダ部１０Ｌと１０Ｒに装着する。   The deflection angle changing unit 1 is formed by mounting the deflecting optical member 2 on the holding member 3 having the above configuration from above. Specifically, the deflection optical member 2 is mounted on the holding member 3 from above the holding member 3. At that time, the left-eye deflection optical member 5 is fitted along the groove 14L formed in the left holder portion 10L, and the right-eye deflection optical member 6 is fitted along the groove 14R formed in the right holder portion 10R. The left-eye deflection optical member 5 and the right-eye deflection optical member 6 are attached to the corresponding left and right holder portions 10L and 10R.

また、左ホルダ部１０Ｌに装着された左眼用偏向光学部材５はバネ部材１２Ｌによって左ホルダ部１０Ｌに付勢され、右ホルダ部１０Ｒに装着された右眼用偏向光学部材６はバネ部材１２Ｒによって右ホルダ部１０Ｒに付勢される。したがって、両バネ部材１２Ｌと１２Ｒによって偏向光学部材２は保持部材３に確実に保持される。   Further, the left-eye deflection optical member 5 attached to the left holder portion 10L is biased to the left holder portion 10L by the spring member 12L, and the right-eye deflection optical member 6 attached to the right holder portion 10R is the spring member 12R. Is urged to the right holder portion 10R. Therefore, the deflecting optical member 2 is securely held by the holding member 3 by the two spring members 12L and 12R.

一方、左右のホルダ部１０Ｌと１０Ｒは、前述のようにヒンジ部１１によって結合されており、互いの角度が変更可能である。したがって、保持部材３に偏向光学部材２を装着した後、ヒンジ部１１の角度を調整することによって左右のホルダ部１０Ｌと１０Ｒに装着された左眼用偏向光学部材５と右眼用偏向光学部材６の角度を変更することができる。つまり、入射角変化量調整機構として機能する。   On the other hand, the left and right holder parts 10L and 10R are coupled by the hinge part 11 as described above, and their angles can be changed. Therefore, after the deflection optical member 2 is mounted on the holding member 3, the left-eye deflection optical member 5 and the right-eye deflection optical member mounted on the left and right holder portions 10L and 10R are adjusted by adjusting the angle of the hinge portion 11. The angle of 6 can be changed. That is, it functions as an incident angle change amount adjusting mechanism.

すなわち、取付部材１３Ｌ、１３Ｒを使用して上記構成のふくそう角変更ユニット１を眼鏡４に取り付け、３次元画像を観察する際、個人差によるふくそう角の相違を調整することができる。例えば、３次元画像がぶれて見える場合、プレート８を持ち、ヒンジ部１１を回動させ、観察者のふくそう角に好適な角度の左眼用偏向光学部材５及び右眼用偏向光学部材６の配設位置に変更することができる。このような調整を行なうことによって、左眼用偏向光学部材５と右眼用偏向光学部材６の配設角度が変化し、前述の両眼を結ぶ基線に対する入射角の変化量を調整することができる。   That is, when the congestion angle changing unit 1 having the above-described configuration is attached to the glasses 4 using the attachment members 13L and 13R, the difference in the congestion angle due to individual differences can be adjusted when a three-dimensional image is observed. For example, when a three-dimensional image appears blurred, the left eye deflecting optical member 5 and the right eye deflecting optical member 6 having the plate 8 and the hinge portion 11 are rotated so as to be suitable for the crowding angle of the observer. The position can be changed. By performing such adjustment, the arrangement angle of the left-eye deflection optical member 5 and the right-eye deflection optical member 6 changes, and the amount of change in the incident angle with respect to the base line connecting both eyes can be adjusted. it can.

また、調整は容易であり、例えばプレート８を持ち、ヒンジ部１１を回動させることによって個人差のあるふくそう角の調整を簡単に行なうことができる。
さらに、例えば３Ｄテレビや３Ｄパソコンに表示される３次元画像を観察する際にも、上記のように左眼用偏向光学部材５及び右眼用偏向光学部材６の位置調整を行なうことによって、３Ｄテレビや３Ｄパソコン等の機器からの距離を気にすることなく、３次元画像を観察することができる。したがって、眼に対する負担も軽減される。 Further, the adjustment is easy. For example, by holding the plate 8 and rotating the hinge portion 11, the congestion angle with individual differences can be easily adjusted.
Further, when observing a three-dimensional image displayed on, for example, a 3D television or a 3D personal computer, the position of the left-eye deflection optical member 5 and the right-eye deflection optical member 6 is adjusted as described above to adjust the 3D image. A three-dimensional image can be observed without worrying about the distance from a device such as a television or a 3D personal computer. Therefore, the burden on the eyes is reduced.

図２及び図３は、上記実施形態で使用する偏向光学部材（左眼用偏向光学部材５及び右眼用偏向光学部材６）としてプリズム、より詳細にはウエッジプリズムを使用した場合のふくそう角の調整例を説明する。   2 and 3 show the prismatic angle when the deflecting optical member (the left-eye deflecting optical member 5 and the right-eye deflecting optical member 6) used in the above-described embodiment is used, and more specifically, when the wedge prism is used. An adjustment example will be described.

図２(ａ)は片側面のみが斜面であり、その対向面は垂直面のウエッジプリズム１５の例を示す。また、図２（ｂ）は両側面が斜面のウエッジプリズム１６の例を示す。何れのウエッジプリズム１５、１６とも、入射した光線を偏向する作用がある。尚、ウエッジプリズム１５、１６の上面と下面において幅の広い方の面をベース１５ａ、１６ａと呼び、入射した光はこのベース１５ａ、１６ａに近づくよう偏向する。   FIG. 2A shows an example of a wedge prism 15 having only one side surface that is an inclined surface and the opposite surface of which is a vertical surface. FIG. 2B shows an example of the wedge prism 16 whose both side surfaces are inclined. Both of the wedge prisms 15 and 16 have an effect of deflecting incident light rays. Note that the wider surfaces of the upper and lower surfaces of the wedge prisms 15 and 16 are called bases 15a and 16a, and incident light is deflected so as to approach the bases 15a and 16a.

図３（ａ）は、観察者の両眼２３Ｌ、２３Ｒの前に、上記ウエッジプリズム１５、１６をベース同士が外側に来るように（ベースアウト）配設した模式図である。すなわち、観察者の両眼２３Ｌ、２３Ｒの前に、前述の左眼用偏向光学部材５及び右眼用偏向光学部材６をベース同士が外側に来るように配設した模式図である。   FIG. 3A is a schematic diagram in which the wedge prisms 15 and 16 are arranged in front of the observer's eyes 23L and 23R so that the bases come to the outside (base out). That is, it is a schematic view in which the left-eye deflection optical member 5 and the right-eye deflection optical member 6 are disposed in front of the observer's eyes 23L and 23R so that the bases are on the outside.

上記のようにベースアウトの配設の場合、位置２０にある物体は左眼用偏向光学部材５、及び右眼用偏向光学部材６の作用により、観察者があたかもより近い位置２１に存在するように両眼をふくそうする。したがって、本例のふくそう角変更ユニット１を使用しない場合のふくそう角θ１は、本例のふくそう角変更ユニット１（左眼用偏向光学部材５及び右眼用偏向光学部材６）を使用することによって、より大きなふくそう角θ２に調整できる。   In the case of the base-out arrangement as described above, the object at the position 20 seems to be present at a position 21 closer to the observer by the action of the deflection optical member 5 for the left eye and the deflection optical member 6 for the right eye. Squeeze both eyes. Therefore, the congestion angle θ1 when the congestion angle changing unit 1 of this example is not used is obtained by using the congestion angle changing unit 1 (the left-eye deflection optical member 5 and the right-eye deflection optical member 6) of this example. It is possible to adjust to a larger congestion angle θ2.

また、前述のように左眼用偏向光学部材５と右眼用偏向光学部材６の配設角度を調整することによって、両眼を結ぶ基線に対する入射角の変化量を調整し、観察者のふくそう角に好適な角度に偏向光学部材を調整することができる。尚、上記ベースアウトの場合、偏向光学部材により遠近感が強調され、より迫力のある観察が可能となる。   Further, as described above, by adjusting the arrangement angle of the left-eye deflection optical member 5 and the right-eye deflection optical member 6, the amount of change in the incident angle with respect to the base line connecting both eyes is adjusted, so The deflecting optical member can be adjusted to an angle suitable for the corner. In the case of the base-out, perspective is emphasized by the deflecting optical member, and more powerful observation is possible.

一方、図３（ｂ）は、ウエッジプリズム１５、１６（左眼用偏向光学部材５及び右眼用偏向光学部材６）のベースが夫々内側に来るように（ベースイン）配設した例であり、この場合、位置２０にある物体は左眼用偏向光学部材５、及び右眼用偏向光学部材６の作用により、観察者からあたかもより遠い位置２４にあるように両眼をふくそうする。したがって、この場合も左眼用偏向光学部材５と右眼用偏向光学部材６の配設角度を調整することによって、両眼を結ぶ基線に対する入射角の変化量を調整し、観察者のふくそう角に対応した角度に偏向光学部材５を調整することができる。尚、ベースインの場合は、偏向光学部材により、遠近感が弱められ、ソフト感のある観察が可能となる。   On the other hand, FIG. 3B shows an example in which the bases of the wedge prisms 15 and 16 (the left-eye deflecting optical member 5 and the right-eye deflecting optical member 6) are disposed inside (base-in). In this case, the object at the position 20 wipes both eyes so as to be at a position 24 farther from the observer by the action of the deflection optical member 5 for the left eye and the deflection optical member 6 for the right eye. Therefore, also in this case, by adjusting the arrangement angle of the deflection optical member 5 for the left eye and the deflection optical member 6 for the right eye, the amount of change in the incident angle with respect to the base line connecting both eyes is adjusted, and the congestion angle of the observer The deflecting optical member 5 can be adjusted to an angle corresponding to. In the case of the base-in, the deflection optical member reduces the sense of perspective and enables observation with a soft feeling.

図４は両眼を結ぶ基線に対する入射角が偏向光学部材によりどのように変化するかを示す図である。図４（ａ）は、上記図３(ａ)で説明したベースアウトに対応する場合であり、左眼用偏向光学部材５及び右眼用偏向光学部材６は、光線を両眼２３Ｌ、２３Ｒを結ぶ基線２７に対する入射角θ１／２を、入射角θ２／２に変化させ、両目に導く。
一方、図４（ｂ）は、上記図３（ｂ）で説明したベースインに対応し、左眼用偏向光学部材５及び右眼用偏向光学部材６は、光線を両眼２３Ｌ、２３Ｒを結ぶ基線２７に対する入射角θ１／２を、入射角はθ３／２に変化させて、両眼導く。 FIG. 4 is a diagram showing how the incident angle with respect to the base line connecting both eyes changes depending on the deflecting optical member. 4A corresponds to the base-out described in FIG. 3A, and the left-eye deflection optical member 5 and the right-eye deflection optical member 6 transmit light to both eyes 23L and 23R. the incident angle theta 1/2 with respect to base line 27 which connects, by changing the incident angle theta 2/2, leading to both eyes.
On the other hand, FIG. 4B corresponds to the base-in described in FIG. 3B, and the left-eye deflection optical member 5 and the right-eye deflection optical member 6 connect the light beams to the eyes 23L and 23R. the incident angle theta 1/2 with respect to baseline 27, and the angle of incidence is changed to theta 3/2, guiding both eyes.

次に、本実施形態で使用する偏向光学部材２の具体例を説明する。
例えば、図５（ａ)は、片側面のみが斜面で構成された左眼用偏向光学部材５ａと右眼用偏向光学部材６ａをベースアウトで配設した偏向光学部材２ａを示す。また、図５（ｂ)は、両側面が斜面で構成された左眼用偏向光学部材５ｂと右眼用偏向光学部材６ｂをベースアウトで配設した偏向光学部材２ｂを示す。さらに、図５（ｃ)は、片側面のみが斜面で構成された左眼用偏向光学部材５ｃと右眼用偏向光学部材６ｃをベースインで配設した偏向光学部材２ｃを示す。 Next, a specific example of the deflection optical member 2 used in this embodiment will be described.
For example, FIG. 5A shows a deflecting optical member 2a in which a left-eye deflecting optical member 5a and a right-eye deflecting optical member 6a, each of which has a slope on only one side surface, are arranged at the base-out. FIG. 5B shows a deflecting optical member 2b in which a left-eye deflecting optical member 5b and a right-eye deflecting optical member 6b each having a slope on both side surfaces are disposed at the base-out. Further, FIG. 5 (c) shows a deflection optical member 2c in which a left-eye deflection optical member 5c and a right-eye deflection optical member 6c, each of which has a slope on only one side surface, are arranged in a base-in manner.

上記各偏向光学部材２ａ〜２ｃから適切な偏向光学部材を選択し、保持部材３に収容することによって、以後観察者に好適なふくそう角の調整を行なうことができる。
一方、図６は左眼用偏向光学部材５と右眼用偏向光学部材６を別体で形成した場合の例である。例えば、図６（ａ)は、片側面のみが斜面の左眼用偏向光学部材５ｄ及び右眼用偏向光学部材６ｄを夫々ベースアウトで配設する例である。また、図６（ｂ)は、両側面が斜面の左眼用偏向光学部材５ｅ及び右眼用偏向光学部材６ｅを夫々ベースアウトで配設する例である。さらに、また、図６（ｃ)は、片側面のみが斜面の左眼用偏向光学部材５ｆ及び右眼用偏向光学部材６ｆをベースインで配設する例である。 By selecting an appropriate deflection optical member from the deflection optical members 2a to 2c and storing it in the holding member 3, the congestion angle suitable for the observer can be adjusted thereafter.
On the other hand, FIG. 6 shows an example in which the left-eye deflection optical member 5 and the right-eye deflection optical member 6 are formed separately. For example, FIG. 6A is an example in which the left-eye deflecting optical member 5d and the right-eye deflecting optical member 6d, each having a slope on only one side surface, are disposed at the base-out. FIG. 6B shows an example in which the left-eye deflecting optical member 5e and the right-eye deflecting optical member 6e whose both side surfaces are inclined are arranged at the base-out. Furthermore, FIG. 6C is an example in which the left-eye deflection optical member 5f and the right-eye deflection optical member 6f whose base surface is inclined only on one side surface are arranged in a base-in manner.

夫々適切な左眼用偏向光学部材５ｄ〜５ｆ、及び右眼用偏向光学部材６ｄ〜６ｆを選択し、保持部材３に収容することによって、観察者に好適なふくそう角の調整を行なうことができる。
（第２の実施形態） By selecting appropriate left-eye deflection optical members 5d to 5f and right-eye deflection optical members 6d to 6f and accommodating them in the holding member 3, the congestion angle suitable for the observer can be adjusted. .
(Second Embodiment)

次に、本発明の第２の実施形態について説明する。
本実施形態は、偏向光学部材２と保持部材３が一体で構成され、上部のギヤを回動させることによって偏向光学部材の角度を調整するふくそう角変更ユニットである。以下、具体的に説明する。
図７(ａ)は、本実施形態のふくそう角変更ユニットの斜視図である。ふくそう角変更ユニット２８は筐体２９に取り付けられたダイヤル式の調整部３０と、左右の偏向光学部材５ｇ、６ｇで構成されている。また、左右の偏向光学部材５ｇ、６ｇは支軸３５Ｌ、３５Ｒに固設されている。また、筐体２９には眼鏡４に本例のふくそう角変更ユニット２８を取り付けるための取付部材３６Ｌ、３６Ｒが設けられている。 Next, a second embodiment of the present invention will be described.
This embodiment is a congestion angle changing unit in which the deflection optical member 2 and the holding member 3 are integrally formed, and the angle of the deflection optical member is adjusted by rotating the upper gear. This will be specifically described below.
Fig.7 (a) is a perspective view of the congestion angle change unit of this embodiment. The congestion angle changing unit 28 includes a dial type adjustment unit 30 attached to a housing 29, and left and right deflection optical members 5g and 6g. The left and right deflection optical members 5g and 6g are fixed to the support shafts 35L and 35R. The housing 29 is provided with attachment members 36L and 36R for attaching the congestion angle changing unit 28 of this example to the glasses 4.

左眼用偏向光学部材５ｇ及び右眼用偏向光学部材６ｇは、例えばベースアウトの偏向光学部材を使用しており、左眼用偏向光学部材５ｇは上記支軸３５Ｌに固設され、右眼用偏向光学部材６ｇは上記支軸３５Ｒに固設されている。また、支軸３５Ｌ、３５Ｒは回転自在に構成されており、支軸３５Ｌ、３５Ｒの回転に従って、左眼用偏向光学部材５ｇ及び右眼用偏向光学部材６ｇも矢印方向に回動する。   The left-eye deflection optical member 5g and the right-eye deflection optical member 6g use, for example, a base-out deflection optical member. The left-eye deflection optical member 5g is fixed to the support shaft 35L and is used for the right eye. The deflecting optical member 6g is fixed to the support shaft 35R. Further, the support shafts 35L and 35R are configured to be rotatable, and the left-eye deflection optical member 5g and the right-eye deflection optical member 6g are also rotated in the arrow direction in accordance with the rotation of the support shafts 35L and 35R.

一方、調整部３０は４つのギヤ３１〜３４で構成され、ギヤ３１〜３４は夫々所定の歯数を有し、ギヤ３１と３２、ギヤ３１と３３、及びギヤ３３と３４が歯合している。したがって、例えば図７(ａ)に示すように、ギヤ３１を矢印方向にダイヤルする（回転させる）ことによって、ギヤ３１と歯合するギヤ３２と３３が回転する。また、ギヤ３３の回転によってギヤ３４も対応する方向に回転する。   On the other hand, the adjustment unit 30 is composed of four gears 31 to 34. The gears 31 to 34 each have a predetermined number of teeth, and the gears 31 and 32, the gears 31 and 33, and the gears 33 and 34 mesh with each other. Yes. Therefore, for example, as shown in FIG. 7A, when the gear 31 is dialed (rotated) in the direction of the arrow, the gears 32 and 33 meshing with the gear 31 are rotated. Further, the gear 34 is rotated in the corresponding direction by the rotation of the gear 33.

ここで、前述の左眼用偏向光学部材５ｇに固設された支軸３５Ｌは上記ギヤ３４に取り付けられており、右眼用偏向光学部材６ｇに固設された支軸３５Ｒはギヤ３２に取り付けられている。したがって、ギヤ３１を何れかの方向に回転させることによってギヤ３２及び３４も対応する方向に回転し、支軸３５Ｌ又は３５Ｒを介して左眼用偏向光学部材５ｇ及び右眼用偏向光学部材６ｇを回動することができる。   Here, the support shaft 35L fixed to the left-eye deflection optical member 5g is attached to the gear 34, and the support shaft 35R fixed to the right-eye deflection optical member 6g is attached to the gear 32. It has been. Therefore, when the gear 31 is rotated in either direction, the gears 32 and 34 are also rotated in the corresponding directions, and the left-eye deflection optical member 5g and the right-eye deflection optical member 6g are moved via the support shaft 35L or 35R. It can be rotated.

したがって、前述の第１の実施形態と同様、観察者は３次元画像を観察する際、個人差によるふくそう角の相違を調整することができる。例えば、３次元画像がぶれて見える場合、ギヤ３１を矢印方向に回転させ、３次元画像が鮮明に観察できる位置に調整する。この調整により、左眼用偏向光学部材５ｇと右眼用偏向光学部材６ｇの配設角度が変化し、前述の両眼を結ぶ基線に対する入射角の変化量を調整することができる。その結果、ふくそう角の変化量を調整することができる。   Therefore, as in the first embodiment described above, the observer can adjust the difference in the congestion angle due to individual differences when observing the three-dimensional image. For example, when a three-dimensional image appears blurred, the gear 31 is rotated in the direction of the arrow to adjust the position so that the three-dimensional image can be clearly observed. By this adjustment, the arrangement angle of the left-eye deflection optical member 5g and the right-eye deflection optical member 6g is changed, and the amount of change in the incident angle with respect to the base line connecting both eyes can be adjusted. As a result, the change amount of the congestion angle can be adjusted.

また、調整は容易であり、ギヤ３１を回転させて３次元画像が鮮明に観察できる位置を探すだけでよい。例えば３Ｄテレビや３Ｄパソコンに表示される３次元画像を観察する際にも、簡単な調整を行なうことによって、３Ｄテレビや３Ｄパソコンの機器からの観賞距離を気にすることなく、３次元画像の観察を行なうことができる。
（第３の実施形態） Adjustment is easy, and it is only necessary to rotate the gear 31 and search for a position where the three-dimensional image can be clearly observed. For example, even when observing a 3D image displayed on a 3D TV or 3D personal computer, a simple adjustment can be made without worrying about the viewing distance from the 3D TV or 3D personal computer device. Observations can be made.
(Third embodiment)

次に、本発明の第３の実施形態について説明する。
本実施形態は、左右の偏向光学部材を使用する第１の位置と退避した第２の位置との間で、左右の偏向光学部材を移動可能に構成したふくそう角変更ユニットに関する。以下、具体的に説明する。
図８及び図９は本実施形態を説明する図であり、図８は本例のふくそう角変更ユニットの組立図であり、図９は組み立てたふくそう角変更ユニットを眼鏡４に装着する状態を示す図である。本例のふくそう角変更ユニットは左右の偏向光学部材に対応して設けられている。すなわち、左眼用偏向光学部材５ｈを含む左ふくそう角変更ユニット１Ｌと、右眼用偏向光学部材６ｈを含む右ふくそう角変更ユニット１Ｒで構成されている。 Next, a third embodiment of the present invention will be described.
The present embodiment relates to a congestion angle changing unit configured such that the left and right deflection optical members can be moved between a first position where the left and right deflection optical members are used and a retracted second position. This will be specifically described below.
8 and 9 are diagrams for explaining the present embodiment, FIG. 8 is an assembly view of the congestion angle changing unit of this example, and FIG. 9 shows a state in which the assembled congestion angle changing unit is attached to the glasses 4. FIG. The congestion angle changing unit of this example is provided corresponding to the left and right deflection optical members. That is, it is composed of a left congestion angle changing unit 1L including the left-eye deflection optical member 5h and a right congestion angle changing unit 1R including the right-eye deflection optical member 6h.

左ふくそう角変更ユニット１Ｌは、左眼用偏向光学部材５ｈ、２つの取付部材４３Ｌ、及びヒンジ棒４４Ｌで構成されている。左眼用偏向光学部材５ｈの下部にはヒンジ貫入部４５Ｌが形成され、このヒンジ貫入部４５Ｌを挟んで２つの取付部材４３Ｌを位置させた状態で、上記ヒンジ棒４４Ｌをヒンジ貫入部４５Ｌ及び２つの取付部材４３Ｌに設けられた穴に貫入させて構成されている。ここで、ヒンジ棒４４Ｌはヒンジ貫入部４５に固定されており、２つの取付部材４３Ｌに対しては回転自在である。したがって、ヒンジ棒４４Ｌが貫通した２つの取付部材４３Ｌに対し、左眼用偏向光学部材５ｈは回動自在に構成されている。   The left congestion angle changing unit 1L includes a left-eye deflection optical member 5h, two attachment members 43L, and a hinge rod 44L. A hinge penetration portion 45L is formed below the left-eye deflection optical member 5h. With the two attachment members 43L positioned with the hinge penetration portion 45L interposed therebetween, the hinge rod 44L is hinged penetration portions 45L and 2L. The two mounting members 43L are configured to penetrate through the holes. Here, the hinge rod 44L is fixed to the hinge penetration portion 45, and is rotatable with respect to the two attachment members 43L. Therefore, the left-eye deflection optical member 5h is configured to be rotatable with respect to the two attachment members 43L through which the hinge rod 44L passes.

同様に、右ふくそう角変更ユニット１Ｒについても、右眼用偏向光学部材６ｈ、２つの取付部材４３Ｒ、及びヒンジ棒４４Ｒで構成され、右眼用偏向光学部材６ｈの下部にはヒンジ貫入部４５Ｒが形成され、このヒンジ貫入部４５Ｒを挟んで２つの取付部材４３Ｒを位置させた状態で、上記ヒンジ棒４４Ｒをヒンジ貫入部４５Ｒ及び２つの取付部材４３Ｒに設けられた穴に貫入させて構成されている。また、ヒンジ棒４４Ｒはヒンジ貫入部４５Ｒに固定されており、２つの取付部材４３Ｒに対しては回転自在である。したがって、ヒンジ棒４４Ｒが貫通した２つの取付部材４３Ｒに対し、右眼用偏向光学部材６ｈは回動自在に構成されている。   Similarly, the right congestion angle changing unit 1R includes the right-eye deflection optical member 6h, the two attachment members 43R, and the hinge rod 44R. A hinge penetration portion 45R is formed below the right-eye deflection optical member 6h. The hinge rod 44R is inserted into holes provided in the hinge penetration portion 45R and the two attachment members 43R in a state where the two attachment members 43R are positioned across the hinge penetration portion 45R. Yes. Further, the hinge rod 44R is fixed to the hinge penetration portion 45R and is rotatable with respect to the two attachment members 43R. Therefore, the right-eye deflection optical member 6h is configured to be rotatable with respect to the two attachment members 43R through which the hinge rod 44R passes.

図９は、組み立てたふくそう角変更ユニットを眼鏡４に装着する図であり、左ふくそう角変更ユニット１Ｌの取付部材４３Ｌを眼鏡４の左側のレンズを囲むフレーム４Ｌの上部に取り付け、右ふくそう角変更ユニット１Ｒの取付部材４３Ｒを眼鏡４の右側のレンズを囲むフレーム４Ｒの上部に取り付けることによって、本例のふくそう角変更ユニット１Ｌ及び１Ｒを眼鏡４に取り付けることができる。   FIG. 9 is a diagram in which the assembled congestion angle changing unit is attached to the glasses 4, and the attachment member 43 </ b> L of the left congestion angle changing unit 1 </ b> L is attached to the upper part of the frame 4 </ b> L surrounding the left lens of the glasses 4. By attaching the attachment member 43 </ b> R of the unit 1 </ b> R to the upper part of the frame 4 </ b> R surrounding the right lens of the glasses 4, the congestion angle changing units 1 </ b> L and 1 </ b> R of this example can be attached to the glasses 4.

この状態で、左眼用偏向光学部材５ｈを左眼の前の位置に移動し、右眼用偏向光学部材６ｈを右眼の前の位置に移動し、この第１の位置において、不図示の３次元画像を観察しながら、ふくそう角の変更操作を行なうことができる。一方、左眼用偏向光学部材５ｈを左眼の前から上方に退避させ、右眼用偏向光学部材６ｈを右眼の前のから上方に退避させ、左眼用偏向光学部材５ｈ及び右眼用偏向光学部材６ｈをふくそう角を変更しない位置である第２の位置に移動することができる。   In this state, the left-eye deflecting optical member 5h is moved to the position in front of the left eye, the right-eye deflecting optical member 6h is moved to the position in front of the right eye, and in this first position, not shown. It is possible to change the congestion angle while observing the three-dimensional image. On the other hand, the left-eye deflection optical member 5h is retracted upward from the front of the left eye, the right-eye deflection optical member 6h is retracted upward from the front of the right eye, and the left-eye deflection optical member 5h and the right-eye The deflecting optical member 6h can be moved to the second position, which is a position that does not change the congestion angle.

以上のように、上記第１乃至第３の実施形態のふくそう角変更ユニットは、眼鏡型部材に取り付ける方式であり、例え観察者が多数の場所で、様々な方式の３次元画像を観察する機会がある場合でも、個々の観察者の眼にあったふくそう角変更ユニットを持参するだけで、常にふくそう角が改善された状態で３次元画像を観察することができる。
尚、上記左眼用偏向光学部材５及び右眼用偏向光学部材６として、ウエッジプリズム１５、１６を必ずしも使用する必要はなく、例えばグレーティングや、回折格子、ミラー等を使用することも可能である。 As described above, the congestion angle changing unit according to the first to third embodiments is a method of being attached to a spectacle-type member. For example, an observer has an opportunity to observe three-dimensional images of various methods in many places. Even if there is, it is possible to observe a three-dimensional image with the congestion angle always improved by simply bringing the congestion angle changing unit suitable for each observer's eye.
Note that the wedge prisms 15 and 16 are not necessarily used as the left-eye deflection optical member 5 and the right-eye deflection optical member 6, and for example, a grating, a diffraction grating, a mirror, or the like can be used. .

また、眼鏡型部材としては、通常の眼鏡のみならず、ゴーグルタイプ等の各種眼鏡を含むものである。また、眼鏡型部材に設けられたレンズの周辺部分が、ふくそう角変更ユニットの取付部材として機能する眼鏡についても、本実施形態のふくそう角変更ユニットを同様に適用することができる。   Further, the spectacle-type member includes not only normal spectacles but also various spectacles such as goggles type. In addition, the congestion angle changing unit of the present embodiment can be similarly applied to eyeglasses in which the peripheral portion of the lens provided on the spectacle-shaped member functions as an attachment member for the congestion angle changing unit.

また、図１０は眼鏡型部材を用いて３次元画像を観察する観察者の両眼のふくそう角を変更するふくそう角変更方法を説明するフローチャートである。
先ず、入射光を偏向して射出させる左眼用偏向光学部材を、３次元画像からの光線を両眼を結ぶ基線に対する入射角が変化するように偏向させて観察者の左眼に導くように、観察者の左眼の前に配設する左眼用偏向光学部材配設処理を行なう（ステップ（以下、Ｓで示す）１）。
次に、入射光を偏向して射出させる右眼用偏向光学部材を、上記３次元画像からの光線を両眼を結ぶ基線に対する入射角が変化するように偏向させて観察者の右眼に導くように、観察者の右眼の前に配設する右眼用偏向光学部材配設処理を行なう（Ｓ２）。 FIG. 10 is a flowchart for explaining a congestion angle changing method for changing the congestion angle of both eyes of an observer who observes a three-dimensional image using a spectacle-shaped member.
First, the left-eye deflecting optical member that deflects and emits incident light is deflected so that the incident angle with respect to the base line connecting both eyes is changed and guided to the left eye of the observer. Then, a left-eye deflecting optical member placement process is performed in front of the left eye of the observer (step (hereinafter referred to as S) 1).
Next, the right-eye deflecting optical member that deflects and emits incident light is deflected so that the incident angle with respect to the base line connecting the two eyes changes the light beam from the three-dimensional image and led to the right eye of the observer. As described above, right-eye deflection optical member placement processing is performed in front of the right eye of the observer (S2).

次に、上記左眼用偏向光学部材配設処理によって入射角が広がる方向に変化する場合には、右眼用偏向光学部材配設処理でも入射角が広がる方向に変化させる（Ｓ３、Ｓ４）。
一方、上記左眼用偏向光学部材配設処理で入射角が狭まる方向に変化する場合には、右眼用偏向光学部材配設処理でも入射角が狭まる方向に変化させる（Ｓ３、Ｓ５）。
上記処理を行なうことによって観察者のふくそう角に好適な偏向光学部材の位置調整を行なうことができる。 Next, when the incident angle is changed in the expanding direction by the left-eye deflecting optical member disposing process, the incident angle is also changed in the expanding direction by the right-eye deflecting optical member disposing process (S3, S4).
On the other hand, when the incident angle is changed in the direction of narrowing in the left-eye deflection optical member arrangement process, the incident angle is changed in the direction of narrowing in the right-eye deflection optical member arrangement process (S3, S5).
By performing the above processing, it is possible to adjust the position of the deflection optical member suitable for the congestion angle of the observer.

１、１Ｌ，１Ｒ、２８・・ふくそう角変更ユニット
２、２ａ〜２ｃ・・・偏向光学部材
３・・・保持部材
４・・・３次元画像観察用眼鏡
５、５ａ〜５ｈ・・左眼用偏向光学部材
６、６ａ〜６ｈ・・・右眼用偏向光学部材
７・・・ブリッジ部
８・・・プレート
１０Ｌ、１０Ｒ・・ホルダ部
１１・・ヒンジ部
１１ａ、１１ｂ・・ヒンジ
１１ｃ・・連結部材
１２Ｌ、１２Ｌ・・バネ部材
１３Ｌ、１３Ｒ・・取付部材
１５、１６・・ウエッジプリズム
１５ａ、１６ａ・・ベース
２０、２１、２４・・位置
２３Ｌ、２３Ｒ・・両眼
２９・・筐体
３０・・調整部
３１〜３４・・ギヤ
３５Ｌ、３５Ｒ・・支軸
３６Ｌ、３６Ｒ・・取付部材
４３Ｌ、４３Ｒ・・取付部材
４４Ｌ、４４Ｒ・・ヒンジ棒
４５Ｌ、４５Ｒ・・ヒンジ貫入部 1, 1L, 1R, 28 .. Congestion angle changing unit 2, 2 a to 2 c... Deflection optical member 3 .. holding member 4 .. 3D image observation glasses 5, 5 a to 5 h. Deflection optical member 6, 6 a to 6 h... Right eye deflection optical member 7... Bridge portion 8... Plate 10L, 10R ..Holder portion 11 .. Hinge portion 11a, 11b. Members 12L, 12L ... Spring members 13L, 13R ... Mounting members 15, 16 ... Wedge prisms 15a, 16a ... Bases 20, 21, 24 ... Positions 23L, 23R ... Binocular 29 ... Case 30 · Adjusting parts 31 to 34 · · Gears 35L and 35R · · Support shafts 36L and 36R · · Mounting members 43L and 43R · · Mounting members 44L and 44R · · Hinge bars 45L and 45R · · Hinge penetrations

Claims (11)

３次元画像観察時に観察者に装着される眼鏡型部材に取り付けられ、観察者の両眼のふくそう角を変更するふくそう角変更ユニットであり、
前記３次元画像の観察者の両眼の前に配設され、前記３次元画像からの光線を、両眼を結ぶ基線に対する入射角が変化するように偏向させて観察者の両眼に導く偏向光学部材を有することを特徴とするふくそう角変更ユニット。 A congestion angle changing unit that is attached to a spectacle-type member worn by an observer during three-dimensional image observation, and changes the congestion angle of both eyes of the observer.
A deflection that is disposed in front of the eyes of the observer of the three-dimensional image and deflects the light rays from the three-dimensional image so as to change the incident angle with respect to the base line connecting both eyes to the eyes of the observer. A congestion angle changing unit comprising an optical member. 前記ユニットを前記眼鏡型部材に取り付ける取付け部材を、さらに有することを特徴とする請求項１に記載のふくそう角変更ユニット。   The congestion angle changing unit according to claim 1, further comprising an attachment member for attaching the unit to the glasses-type member. 前記偏向光学部材は、
前記３次元画像の観察者の左眼の前に配設され、前記３次元画像からの光線を、両眼を結ぶ基線に対する入射角が変化するように偏向させて観察者の左眼に導く左眼用偏向光学部材と、
前記３次元画像の観察者の右眼の前に配設され、前記３次元画像からの光線を、両眼を結ぶ基線に対する入射角が変化するように偏向させて観察者の右眼に導く右眼用偏向光学部材と、 を有することを特徴とする請求項１に記載のふくそう角変更ユニット。 The deflection optical member is
Left arranged in front of the left eye of the observer of the three-dimensional image, and deflects light rays from the three-dimensional image so as to change the incident angle with respect to the base line connecting both eyes to guide the left eye of the observer An optical deflection optical member;
The right that is disposed in front of the right eye of the observer of the three-dimensional image and deflects light rays from the three-dimensional image so as to change the incident angle with respect to the base line connecting both eyes to guide the right eye of the observer The constriction angle changing unit according to claim 1, comprising: an optical deflecting optical member. 前記配設された左眼用偏向光学部材及び右眼用偏向光学部材の向きを変更することにより、両眼を結ぶ基線に対する入射角の変化量を調整する入射角変化量調整機構を、さらに有することを特徴とする請求項３に記載のふくそう角変更ユニット。   It further includes an incident angle change amount adjusting mechanism for adjusting the change amount of the incident angle with respect to the base line connecting both eyes by changing the directions of the arranged left-eye deflection optical member and right-eye deflection optical member. The congestion angle changing unit according to claim 3. 前記偏向光学部材は、左眼に導かれる光線及び右眼に導かれる光線の両方とも、両眼を結ぶ基線に対する入射角を広げるよう偏向させることを特徴とする請求項１に記載のふくそう角変更ユニット。   2. The congestion angle change according to claim 1, wherein the deflection optical member deflects both a light beam guided to the left eye and a light beam guided to the right eye so as to widen an incident angle with respect to a base line connecting both eyes. unit. 前記偏向光学部材は、左眼に導かれる光線及び右眼に導かれる光線の両方とも、両眼を結ぶ基線に対する入射角を狭めるように偏向させることを特徴とする請求項１に記載のふくそう角変更ユニット。   2. The congestion angle according to claim 1, wherein the deflection optical member deflects both the light beam guided to the left eye and the light beam guided to the right eye so as to narrow an incident angle with respect to a base line connecting both eyes. Change unit. 前記偏向光学部材を観察者の両眼の前で保持する保持部材をさらに有することを特徴とする請求項１に記載のふくそう角変更ユニット。   The congestion angle changing unit according to claim 1, further comprising a holding member that holds the deflecting optical member in front of both eyes of an observer. 前記保持部材は、前記偏向光学部材を着脱自在に保持するものであり、
偏向角度の異なる複数タイプの備向光学部材が用意され、
前記偏向光学部材を異なるタイプの偏向光学部材に交換することにより、ふくそう角の変更の度合いを異ならすことができるように構成されていることを特徴とする請求項７に記載のふくそう角変更ユニット。 The holding member is a member that detachably holds the deflection optical member,
Several types of preparation optical members with different deflection angles are prepared,
8. The congestion angle changing unit according to claim 7, wherein the degree of change of the congestion angle can be changed by replacing the deflection optical member with a different type of deflection optical member. . 前記取付け部材と前記偏向光学部材の間には、ヒンジ部が設けられ、
前記ヒンジ部における回動により、前記偏向光学部材の位置を、前記観察者の両眼の前に位置する第１の位置と、前記観察者の両眼の前から退避した第２の位置との間で遷移可能に構成されていることを特徴とする請求項２に記載のふくそう角変更ユニット。 A hinge portion is provided between the attachment member and the deflection optical member,
By the rotation in the hinge portion, the position of the deflecting optical member is a first position located in front of the eyes of the observer and a second position retracted from the front of the eyes of the observer. The congestion angle changing unit according to claim 2, wherein the unit is configured to be capable of transitioning between the two. 前記偏向光学部材は、プリズムを含むことを特徴とする請求項１に記載のふくそう角変更ユニット。   The congestion angle changing unit according to claim 1, wherein the deflecting optical member includes a prism. 眼鏡型部材を用いて３次元画像を観察する観察者の両眼のふくそう角を変更するふくそう角変更方法であり、
入射光を偏向して射出させる左眼用偏向光学部材を、前記３次元画像からの光線を両眼を結ぶ基線に対する入射角が変化するように偏向させて観察者の左眼に導くように、観察者の左眼の前に配設する左眼用偏向光学部材配設ステップと、
入射光を偏向して射出させる右眼用偏向光学部材を、前記３次元画像からの光線を両眼を結ぶ基線に対する入射角が変化するように偏向させて観察者の右眼に導くように、観察者の右眼の前に配設する右眼用偏向光学部材配設ステップと、を有し、
前記左眼用偏向光学部材配設ステップで入射角が広がる方向に変化する場合には、右眼用偏向光学部材配設ステップでも入射角が広がる方向に変化させ、
前記左眼用偏向光学部材配設ステップで入射角が狭まる方向に変化する場合には、右眼用偏向光学部材配設ステップでも入射角が狭まる方向に変化させる、
ことを特徴とするふくそう角変更方法。 A congestion angle changing method for changing a congestion angle of both eyes of an observer who observes a three-dimensional image using a spectacle-shaped member;
The left optical deflecting optical member that deflects and emits the incident light is deflected so that the incident angle with respect to the base line connecting both eyes changes the light beam from the three-dimensional image, and guided to the left eye of the observer. A left-eye deflecting optical member disposing step disposed in front of the left eye of the observer;
The right optical deflecting optical member that deflects and emits incident light is deflected so that the incident angle with respect to the base line connecting both eyes changes the light beam from the three-dimensional image and guided to the right eye of the observer. A right optical deflecting optical member disposing step disposed in front of an observer's right eye,
In the case where the incident angle changes in the direction in which the left-eye deflection optical member is disposed, the incident angle is changed in the direction in which the incident angle is increased in the right-eye deflection optical member arrangement step,
When the incident angle changes in the direction of narrowing the left-eye deflection optical member, the incident angle is changed in the direction of narrowing the right-eye deflection optical member,
A method for changing the congestion angle.
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