JPH0836155A - Head-mounted video display device - Google Patents
Head-mounted video display deviceInfo
- Publication number
- JPH0836155A JPH0836155A JP17241394A JP17241394A JPH0836155A JP H0836155 A JPH0836155 A JP H0836155A JP 17241394 A JP17241394 A JP 17241394A JP 17241394 A JP17241394 A JP 17241394A JP H0836155 A JPH0836155 A JP H0836155A
- Authority
- JP
- Japan
- Prior art keywords
- head
- observer
- image display
- eyeball
- pair
- 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.)
- Withdrawn
Links
Landscapes
- Liquid Crystal (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、観察者(利用者)の頭
部に着脱自在に装着されて、映像を該観察者の眼球内に
直接,投影する頭部装着型映像表示装置に関し、特に、
左右一対宛の各映像表示素子と各投影光学系,及びこれ
らを収容する外装部からなる眼球投影装置と、該眼球投
影装置を頭部に装着させる頭部装着手段とを備えた頭部
装着型映像表示装置の構成において、前記頭部装着手段
の改良に係るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a head-mounted image display device that is detachably attached to the head of an observer (user) and projects an image directly into the eyeball of the observer. In particular,
Head-mounted type including an eyeball projection device including left and right image display elements, respective projection optical systems, and an exterior part for housing these, and head mounting means for mounting the eyeball projection device on the head. The present invention relates to the improvement of the head mounting means in the configuration of the image display device.
【0002】[0002]
【従来の技術】近年、小型のCRTとか液晶表示素子等
の映像表示素子によって得る映像を観察者の眼球内に直
接投影させることで、恰かも、該映像が空中に投影され
ているかのような虚像の観察を可能にした映像表示装置
の構成,即ち、観察者の両眼部を含んだ頭部に着脱自在
に装着して使用する頭部装着型の映像表示装置が数多く
開発されている。2. Description of the Related Art Recently, by directly projecting an image obtained by a small CRT or an image display device such as a liquid crystal display device into an eyeball of an observer, it is possible that the image is projected in the air. A large number of head-mounted image display devices have been developed, which are configurations of image display devices capable of observing a virtual image, that is, which are detachably attached to a head including both eyes of an observer for use.
【0003】この種の頭部装着型映像表示装置は、通常
の場合、左右一対宛の各映像表示素子と各投影光学系,
及びこれらを収容する外装部からなる眼球投影装置を有
し、該眼球投影装置を頭部装着手段によって観察者の頭
部に装着させるようにしており、該頭部装着手段として
は、例えば、図18に示されているように、内部に映像
表示素子,投影光学系等を収容した外装部10を眼鏡フ
レーム状に形成させると共に、その接眼部分にフェルト
やスポンジからなるパット11を付設させて、観察者の
両耳部で全体を支持させ得るようにしたものや、図19
に示されているように、左右の接眼レンズの間に鼻当て
12を付設させると共に、眼鏡フレーム状に形成された
左右の柄の先端部に耳穴に嵌入可能なイヤホン(図示せ
ず)を付設させるか、又は該先端部間に頭部への支持ベ
ルトを付設させ、これらを用いて観察者の頭部に装置全
体を支持させ得るようにしたものなどがある(例えば、
特開平5−244539号公報,特開平5−18383
9号公報及び特開平5−276467号公報参照)。In general, this type of head-mounted image display device normally includes a pair of left and right image display elements and projection optical systems,
And an eyeball projection device including an exterior part that accommodates them, and the eyeball projection device is attached to the head of an observer by the head attachment means. As shown in 18, while forming the exterior portion 10 that houses the image display element, the projection optical system, and the like inside in the shape of a spectacle frame, attach the pad 11 made of felt or sponge to the eyepiece portion, The one that allows the observer to support the whole area with both ears, and FIG.
As shown in Fig. 2, a nose pad 12 is attached between the left and right eyepieces, and earphones (not shown) that can be fitted into ear holes are attached to the tip ends of the left and right handles formed in a spectacle frame shape. Alternatively, a support belt for the head may be attached between the tip portions so that the entire head can be supported by the observer's head using these (for example,
JP-A-5-2444539, JP-A-5-18383
9 and JP-A-5-276467).
【0004】[0004]
【発明が解決しようとする課題】上記従来の構造のもの
では、映像表示装置全体の重量を耳や鼻だけで支持する
結果となったり、支持バンドを用いる形式の場合には映
像表示装置全体を額部に押し付ける結果となったりし
て、耳や鼻に可成りの負担を掛けたり、額部に過度の圧
迫感を与えるばかりか装置の下方へのずれなど装着の不
快感や頭部への生体的負担を強いたりして、何れにして
も観察者を可成り疲労させるという問題点があった。The conventional structure described above results in the weight of the entire image display device being supported only by the ears and nose, and in the case of the type using a support band, the entire image display device is As a result of pressing it against the forehead, it puts a considerable burden on the ears and nose, gives excessive pressure to the forehead, and displaces the device downwards. In any case, there is a problem that the observer is considerably fatigued due to a strong biological burden.
【0005】本発明は、従来の技術の有するこのような
問題点に鑑みてなされたものであり、その目的とすると
ころは、装着時の安定性が良く、生体的負担や疲労度が
少なく且つ額部への押圧感や位置ずれが生じない、頭部
装着型映像表示装置を提供しようとするものである。The present invention has been made in view of the above problems of the prior art. The object of the present invention is to provide good stability at the time of wearing, a low biological burden and a low degree of fatigue. An object of the present invention is to provide a head-mounted image display device that does not cause a pressing feeling or a positional shift on the forehead.
【0006】[0006]
【課題を解決するための手段】上記目的を達成するため
に、本発明による頭部装着型映像表示装置は、映像を表
示する左右一対の各映像表示素子と,各映像表示素子に
よって表示された夫々の各映像を観察者の左右の各眼球
内に投影する左右一対の各投影光学系と,各映像表示素
子と各投影光学系を収容する外装部からなる眼球投影装
置と,眼球投影装置に設けられた観察者の頭部に対して
眼球投影装置を着脱自在に支持可能とする頭部装着手段
とを備えていて、前記眼球投影装置内の左右一対の各投
影光学系によって形成される左右一対の各射出光軸より
も下側に、観察者の鼻部を介して左右に分離配置された
各弾性部材を有することを特徴としている。In order to achieve the above object, a head-mounted image display device according to the present invention includes a pair of left and right image display elements for displaying an image and an image display element. A pair of left and right projection optical systems for projecting respective images into the left and right eyeballs of an observer, an eyeball projection device including an image display element and an exterior part housing each projection optical system, and an eyeball projection device. A head mounting means for detachably supporting the eyeball projection device with respect to the provided observer's head, and left and right formed by a pair of left and right projection optical systems in the eyeball projection device. It is characterized in that each elastic member is provided on the lower side of each of the pair of emission optical axes so as to be separated left and right through the observer's nose.
【0007】本発明の他の特徴によれば、前記外装部に
おける観察者側の面に配されて、前記眼球投影装置内の
左右一対の各投影光学系によって形成される左右一対の
各射出光軸よりも下側で、観察者の左右両頬部に接触可
能な各弾性部材からなる左頬用パッド及び右頬用パッド
を有し、前記頭部装着手段は、頂部が観察者の頭頂部に
接触し、両端部が観察者の頭部側面に夫々圧接するよう
に形成された略U字形のヘアバンドである。According to another feature of the present invention, a pair of left and right outgoing lights formed on a surface of the exterior portion on the observer side and formed by a pair of left and right projection optical systems in the eyeball projection device. Below the axis, there is a left cheek pad and a right cheek pad made of elastic members capable of contacting both the left and right cheeks of the observer, and the head mounting means has the top of the observer's top of the head. Is a substantially U-shaped hair band formed so that both ends of the hair band are pressed against the side surfaces of the observer's head.
【0008】本発明の更に他の特徴によれば、前記外装
部における観察者側の面に配されて、前記眼球投影装置
内の左右一対の各投影光学系によって形成される左右一
対の各射出光軸よりも下側で、観察者の左右両頬部に接
触可能な各弾性部材からなる左頬用パッド及び右頬用パ
ッドを有し、前記頭部装着手段は、頂部が前記各射出光
軸に垂直な面から±45゜の範囲内で観察者の頭頂部に
接触し、両端部が観察者の頭部側面に夫々圧接するよう
に形成された略U字形の可撓性部材からなっている。According to still another feature of the present invention, a pair of left and right ejections, which are arranged on a surface of the exterior portion on the observer side and formed by a pair of left and right projection optical systems in the eyeball projection apparatus. Below the optical axis, there is a left cheek pad and a right cheek pad made of elastic members capable of contacting both the left and right cheeks of the observer, and the head mounting means has a top portion for each of the emitted light. It is composed of a substantially U-shaped flexible member formed so as to come into contact with the top of the observer's head within a range of ± 45 ° from the plane perpendicular to the axis, and both ends are pressed against the side of the observer's head. ing.
【0009】[0009]
【作用】装置の重量は、観察者の左右両頬部と、頭部装
着手段の頂部が接触せしめられる観察者の頭頂部と、頭
部装着手段の両端部が圧接せしめられる観察者の頭部両
側部とによって、弾性部材を介し柔軟に分散支持され
る。特に、装着時における眼球投影装置の回転による押
圧力は、大部分が観察者の両頬部に向う力として作用す
る。又、左右両頬用パッドは、装着時における視野内へ
の外光の進入を遮断する。The weight of the device is such that the left and right cheeks of the observer, the top of the observer's head where the top of the head mounting means is brought into contact, and the head of the observer where both ends of the head attaching means are pressed against each other. Both side portions flexibly support the elastic member via the elastic member. In particular, most of the pressing force due to the rotation of the eyeball projection device during wearing acts as a force toward both cheeks of the observer. Further, the left and right cheek pads block the entry of external light into the visual field when worn.
【0010】[0010]
【実施例】第1実施例 図1は本発明の第1実施例である頭部装着型映像表示装
置を頭部に装着した状態を示す斜視図、図2はその側面
図、図3(a)及び(b)は眼球投影装置と頭部装着手
段との連結構造の一例を示す部分拡大斜視図、図4は鼻
パッドの形状を示す正面図、図5は頭部装着手段として
のヘアバンドの正面図である。図中、Aは観察者、Bは
観察者の頭部、Baは観察者の頭頂部、Cは観察者の顔
面部、Caは観察者の眼球、Cbは観察者の額部、Cc
は観察者の鼻、Cd,Ceは観察者の左右の各頬部、D
は観察者の耳である。1は映像を表示する左右一対の映
像表示素子1aと、各映像表示素子1aによって表示さ
れた夫々の各映像を観察者Aの左右の眼球Ca内に投影
する左右一対の投影光学系1bと、前記各映像表示素子
1aと各投影光学系1bを収容する外装部1cからなる
眼球投影装置である。2は眼球投影装置1の外装部1c
の両端部に図3(a),(b)に示した如き方法で枢動
可能に連結され、観察者Aの頭部Bに眼球投影装置1を
装着するための頭部装置手段としてのヘアバンドであ
る。このヘアバンド2の内側には図示しないがゴムなど
の滑り止め部材が設けられている。3は外装部1cにお
ける観察者側の面に配されて、眼球投影装置1内の左右
一対の各投影光学系1bによって形成される各射出光軸
よりも下側で、観察者Aの左右両頬部Ce,Cdに接触
可能な弾性部材よりなる左右頬用パッドである。4は外
装部1cにおける観察者側の面に配されて、観察者Aの
鼻Ccの骨部の形状に合うように形成された(図4参
照)弾性部材よりなる鼻パッドである。尚、ヘアバンド
2は、図5に示すように、好ましくは、略円弧状をなす
頂部2aと、頂部2aの両端から左右対称に続く頂部と
は異なる曲率半径の円弧若しくは楕円曲線の一部や直線
を含む一対の側部2bとからなり、常態では図5に実線
で示されるように内側方向に曲がる力が働き、頭部への
装着時には各側部2bを鎖線で示すように外側方向へ広
げた状態で使用されるようになっている。投影光学系1
bは、図2に示すようにハーフミラー1b1 を含み且つ
下面が凹面鏡となるように構成されたプリズム1b
2 と、映像表示素子1aから出射してハーフミラー1b
1 を透過した後上記凹面鏡1b 4 で観察者の眼球Ca内
の網膜上に結像するように反射されハーフミラー1b1
で再び反射されてプリズム1b2 を出射した光を眼球C
a内の網膜上に結像させる視度補正レンズ1b3 からな
っている。【Example】First embodiment FIG. 1 is a head-mounted image display device according to a first embodiment of the present invention.
Fig. 2 is a side view showing a state in which the device is mounted on the head.
FIGS. 3A and 3B show an eyeball projection device and a head-mounted hand.
Partially enlarged perspective view showing an example of a connection structure with a step, FIG. 4 is a nose
FIG. 5 is a front view showing the shape of the pad, and FIG.
FIG. 3 is a front view of the hair band of FIG. In the figure, A is an observer and B is
Observer's head, Ba is the observer's crown, C is the observer's face
Face, Ca is the eyeball of the observer, Cb is the forehead of the observer, Cc
Is the observer's nose, Cd and Ce are the left and right cheeks of the observer, D
Is the observer's ear. 1 is a pair of left and right images that display images
Displayed by the image display element 1a and each image display element 1a.
Each projected image is projected on the left and right eyeballs Ca of the observer A.
A pair of left and right projection optical systems 1b, and each of the image display elements
1a and an exterior part 1c for accommodating each projection optical system 1b
It is an eyeball projection device. Reference numeral 2 denotes an exterior portion 1c of the eyeball projector 1.
Pivot at both ends of the shaft by the method shown in Figs. 3 (a) and 3 (b).
The eyeball projection device 1 is attached to the head B of the observer A.
A hair band as a head device means for wearing
It Although not shown, rubber or the like is provided inside the hair band 2.
Anti-slip member is provided. 3 is on the exterior part 1c
The left and right sides of the eyeball projection device 1 are arranged on the observer side surface.
Each emission optical axis formed by a pair of each projection optical system 1b
Contacting both cheeks Ce and Cd of observer A on the lower side
The left and right cheek pads are made of elastic members that can be used. 4 is outside
It is arranged on the observer side surface of the mounting portion 1c, and
It was formed to fit the shape of the bone of the nose Cc (see Fig. 4).
It is a nose pad made of an elastic member. In addition, hair band
2 preferably has a substantially circular arc shape, as shown in FIG.
The top 2a and the top that continues symmetrically from both ends of the top 2a
Is a circular arc with a different radius of curvature or a part of an elliptic curve or a straight line
It is composed of a pair of side parts 2b including
Bending force acts inward as shown by
When attached, each side 2b is expanded outward as shown by the chain line.
It is designed to be used in a bent state. Projection optical system 1
b is a half mirror 1b as shown in FIG.1Including and
A prism 1b whose bottom surface is a concave mirror
2And the half mirror 1b emitted from the image display element 1a.
1After passing through the concave mirror 1b FourIn the eyeball Ca of the observer
Half mirror 1b which is reflected so as to form an image on the retina of1
Is reflected again at Prism 1b2The light emitted from the eyeball C
Diopter correction lens 1b for forming an image on the retina in a3Empty
ing.
【0011】第1実施例は上記のように構成されている
から、映像表示装置を頭部に装着する場合は、先ず、ヘ
アバンド2の両側部2bを手で広げて両側部2bの各端
部が耳Dの後側に来るようにして手を離せばよい。この
時、ヘアバンド2は自己の習性により図5の実線で示す
状態に戻ろうとするから、その頂部2aの内側面は観察
者の頭頂部Baに接触し、またその両側部は観察者の頭
部側面に圧接する。この状態で眼球投影装置1は、左右
頬用パッド3,3が観察者の左右の各頬部Cd,Ceに
夫々当り、又、鼻パッド4は観察者の鼻Ccの骨部に当
たって、略所定の位置に静止せしめられるが、眼球投影
装置1の位置即ち投影光学系1bの視度補正レンズ1b
3 の光軸と眼球Caの中心がずれている場合には、ヘア
バンド2と眼球投影装置1の外装部1cとの連結部のね
じ5を緩めて眼球投影装置1を動かし、眼球Caと結像
レンズ1b3 の光軸が一致し且つ眼球投影装置1が安定
的に装着された位置でねじ5を締め付けて、ヘアバンド
2に外装部1cを固定すればよい。Since the first embodiment is constructed as described above, when the image display device is mounted on the head, first, the both side portions 2b of the hair band 2 are spread by hand and the respective ends of the both side portions 2b are first spread. Release the hand so that the part is behind the ear D. At this time, the hair band 2 tries to return to the state shown by the solid line in FIG. 5 due to its own habit, so that the inner surface of the top portion 2a contacts the observer's crown Ba and the both sides thereof reach the observer's head. Press against the side of the part. In this state, in the eyeball projection device 1, the left and right cheek pads 3 and 3 respectively contact the left and right cheeks Cd and Ce of the observer, and the nose pad 4 abuts on the bones of the observer's nose Cc to obtain a substantially predetermined amount. However, the diopter correction lens 1b of the projection optical system 1b is located at the position of the eyeball projector 1.
When the optical axis of 3 and the center of the eyeball Ca are deviated, the screw 5 at the connecting portion between the hair band 2 and the exterior portion 1c of the eyeball projection apparatus 1 is loosened to move the eyeball projection apparatus 1, and the eyeball Ca is connected. The exterior part 1c may be fixed to the hair band 2 by tightening the screw 5 at a position where the optical axes of the image lenses 1b 3 are aligned and the eyeball projector 1 is stably mounted.
【0012】斯して、眼球投影装置1全体の重量は、観
察者Aの頭頂部Baと、ヘアバンド2の内側方向へ湾曲
しようとする力に基づくヘアバンド両端部の押圧力を受
ける観察者Aの耳Dの後方側部と、左右頬用パッド3,
3が当たる観察者Aの左右両頬部Ce,Cdとにより支
持される。この様子は図6及び7に模式的に示されてい
る。即ち、眼球投影装置1全体の重量は、矢印A1 ,A
2 及びA3 で示される如く分散して支持される。左右頬
用パッド3,3の各々は、観察者Aの頭頂部Baとヘア
バンド2の頂部2aとの接触部を中心とした眼球投影装
置1の回動方向(図7における破線矢印方向)の押圧モ
ーメントの半分即ち矢印A3 で表わされる押圧力を支持
することになるから、顔面方向への分力aは比較的大き
く且つ鉛直方向への分力bは比較的小さくすることがで
きる。Thus, the weight of the entire eyeball projection device 1 is subject to the pressing force at both ends of the hair band due to the force of the observer A's crown Ba and the tendency to bend the hair band 2 inward. A rear side of ear D of A and pads 3 for left and right cheeks
3 is supported by the left and right cheeks Ce, Cd of the observer A with which the object 3 hits. This is schematically shown in FIGS. 6 and 7. That is, the weight of the entire eyeball projector 1 is equal to the arrows A 1 , A
It is dispersedly supported as indicated by 2 and A 3 . Each of the left and right cheek pads 3 and 3 is arranged in the rotation direction of the eyeball projection device 1 (the direction of the broken line arrow in FIG. 7) around the contact portion between the top portion Ba of the observer A and the top portion 2a of the hair band 2. since will support half that pushing force represented by the arrow a 3 of the pressing moment, the component force a component force b of the relatively large and the vertical direction to the face direction can is relatively small.
【0013】これに対して、図20及び21に示した如
き従来の映像表示装置では、図8に示すように、眼鏡フ
レーム状に形成された外装部10の左右の柄の端部と左
右の耳Dとの各接触部を中心とした外装部10全体の回
動方向(図8における破線矢印方向)の押圧モーメント
の半分即ち矢印A′3 で表わされる押圧力の顔面方向へ
の分力a′は比較的小さく且つ鉛直方向への分力b′は
比較的大きくなる。On the other hand, in the conventional image display device as shown in FIGS. 20 and 21, as shown in FIG. 8, the ends of the left and right handles and the left and right handles of the exterior part 10 formed in the shape of a spectacle frame are provided. component force a to half ie the face direction of the pressing force represented by arrow a '3 pressing moment of the contact portions centered the exterior unit 10 as a whole in the rotational direction (the dashed arrow direction in FIG. 8) of the ear D ′ Is relatively small, and the vertical component force b ′ is relatively large.
【0014】従って、従来の頭部装着型映像表示装置
は、耳Dに多くの負担が掛かるばかりか、装置全体が下
方にずれ易く、観察者に不快感を与える結果となる。こ
れに対し、上記第1実施例によれば、装置全体は頭部と
頬部や鼻のような顔の突出部で支持されて下方へずれる
ようなことがないから、装置位置が安定し、不快感を与
えるようなことはない。又、頬用パッド3及び鼻パッド
4は弾性体で構成されており、ヘアバンド2の両端部に
は弾性パッド2cが設けられているから、頭部Bと装置
1との干渉が緩和されて装着感を向上させることがで
き、而も左右頬用パッド3,3により装置下方からの外
光が遮断されるので、鮮明な映像を楽しむことができ
る。尚、眼球投影装置1全体は、ヘアバンド2との連結
部のねじ5を中心に回動可能であるから、映像観察中で
も装置全体を図2の鎖線位置まで旋回した後その位置に
静止させることができ、実用上の使い勝手は極めてよ
い。上記第1実施例において、頭頂部Baとは、図7に
示すように、観察者Aが真っ直ぐ前方を向いた状態で頭
部円弧に立てた法線N1 ,N2 が鉛直線に対して±45
゜をなす範囲内にある部分をいうものとし、実験によれ
ば、ヘアバンド2の頂部2aが上記範囲内にあれば、ヘ
アバンド2がずれることはなく、眼球投影装置1は安定
的に装着位置に保持され得る。Therefore, in the conventional head-mounted image display device, not only is the ear D heavily loaded, but the entire device is likely to shift downward, resulting in discomfort to the observer. On the other hand, according to the first embodiment, the entire device is supported by the head and the projecting parts of the face such as the cheeks and the nose and is not displaced downward, so that the device position is stable, It does not cause any discomfort. Further, since the cheek pad 3 and the nose pad 4 are made of an elastic body and the elastic pads 2c are provided at both ends of the hair band 2, the interference between the head B and the device 1 is reduced. The wearing feeling can be improved, and since the left and right cheek pads 3 and 3 block external light from below the device, a clear image can be enjoyed. Since the entire eyeball projector 1 is rotatable around the screw 5 at the connecting portion with the hair band 2, the entire device should be rotated to the position of the chain line in FIG. It is possible to use it, and its practical usability is extremely good. In the first embodiment, as shown in FIG. 7, the parietal region Ba is the normals N 1 and N 2 that are set up on the circular arc of the head with the observer A facing straight forward with respect to the vertical line. ± 45
According to the experiment, if the top portion 2a of the hair band 2 is within the above range, the hair band 2 will not be displaced and the eyeball projector 1 can be stably mounted. Can be held in position.
【0015】第2実施例 図9は本発明の第2実施例である頭部装着型映像表示装
置を頭部に装着した状態を示す斜視図、図10はその側
面図、図11は第2実施例において用いられるヘアバン
ドの正面図である。図中、第1実施例と実質上同一の部
材及び部分には同一符号が付されている。この実施例
は、ヘアバンド2の頂部2aの内側に複数の突起(先端
は丸めてある)2dが鋸歯状に配設されていて、このヘ
アバンド2に装着時観察者の後頭部に回し当てられる弾
性材料よりなる支持バンド6が連結されている点、及び
眼球投影装置1の外装部1cの両端部がヘアバンド2の
頂部2aに所定の間隔を置いて吊り下げられた状態で連
結されている点で、第1実施例とは構成が異なる。左右
頬用パッド3,3は頬骨の形状に合うように湾曲せしめ
られている。 Second Embodiment FIG. 9 is a perspective view showing a state in which the head-mounted image display apparatus according to the second embodiment of the present invention is mounted on the head, FIG. 10 is a side view thereof, and FIG. 11 is a second view. It is a front view of the hair band used in an Example. In the figure, substantially the same members and portions as those in the first embodiment are designated by the same reference numerals. In this embodiment, a plurality of protrusions (the tips of which are rounded) 2d are arranged in a sawtooth shape on the inner side of the top portion 2a of the hair band 2, and the hair band 2 is rotated around the occiput of the observer at the time of wearing. A point at which the support band 6 made of an elastic material is connected, and both ends of the exterior portion 1c of the eyeball projection device 1 are connected to the top portion 2a of the hair band 2 while being suspended at a predetermined interval. The configuration is different from that of the first embodiment in that respect. The left and right cheek pads 3, 3 are curved so as to match the shape of the cheekbones.
【0016】この実施例の場合も装置は第1実施例の場
合と同様に観察者の頭部に装着され、眼球投影装置1の
重量は、ヘアバンド2の頂部2aと観察者の頭頂部Ba
との接触部と、支持バンド6と、左右頬用パッド3,3
と、ヘアバンド2の内側方向へ湾曲しようとする力が作
用する観察者の耳Dの後方部分とにより支持される。従
って、この実施例の場合も第1実施例の場合と同様に、
眼球投影装置1の外装部1cは観察者の額部Cbに当た
ることなく、快適且つ安定に装着位置に保持され、且つ
鮮明な映像を楽しむことができる。この実施例によれ
ば、ヘアバンド2は、多数の突起2dが観察者の髪や頭
頂部Baに摩擦力で引っ掛かるため、装置のより安定的
な支持が可能となる。Also in this embodiment, the device is mounted on the head of the observer as in the case of the first embodiment, and the weight of the eyeball projection device 1 is such that the top 2a of the hair band 2 and the top Ba of the observer Ba.
Contact part, support band 6, left and right cheek pads 3, 3
And the rear portion of the observer's ear D on which the force that tends to bend inward of the hair band 2 acts. Therefore, also in the case of this embodiment, as in the case of the first embodiment,
The exterior portion 1c of the eyeball projector 1 does not hit the forehead Cb of the observer, is comfortably and stably held in the mounting position, and a clear image can be enjoyed. According to this embodiment, the hair band 2 has a large number of protrusions 2d that are caught by the observer's hair and the crown Ba of the observer due to frictional force, which enables more stable support of the apparatus.
【0017】第3実施例 図12は本発明の第3実施例である頭部装着型映像表示
装置を頭部に装着した状態を示す斜視図、図13はその
側面図である。図中、第1実施例と実質上同一の部材及
び部分には同一符号が付されている。この実施例は、ヘ
アバンド2がプラスチック材などのような可撓性部材か
らなっている点、及び眼球投影装置1の外装部1cの顔
面側に観察者の額部Cbに当たる弾性パッド7が設けら
れている点で、第1実施例とは異なる。 Third Embodiment FIG. 12 is a perspective view showing a state in which the head-mounted image display apparatus according to the third embodiment of the present invention is mounted on the head, and FIG. 13 is a side view thereof. In the figure, substantially the same members and portions as those in the first embodiment are designated by the same reference numerals. In this embodiment, the hair band 2 is made of a flexible material such as a plastic material, and an elastic pad 7 that corresponds to the viewer's forehead Cb is provided on the face side of the exterior 1c of the eyeball projector 1. It is different from the first embodiment in that it is provided.
【0018】この実施例の場合も、装置の装着方法及び
装着時の作用効果は第1実施例の場合と同様であるので
詳細な説明は省略するが、この実施例は、額部弾性パッ
ド7が主として装着感の向上と、上方からの余分な外光
の遮断とに役立てられている点で特徴を有する。In this embodiment as well, the method of mounting the device and the operation and effect at the time of mounting are the same as in the case of the first embodiment, so a detailed description will be omitted, but in this embodiment, the elastic pad 7 of the forehead part is used. Is mainly used to improve the feeling of wearing and to block extraneous external light from above.
【0019】第4実施例 図14は本発明の第4実施例である頭部装着型映像表示
装置を頭部に装着した状態を示す斜視図、図15はその
側面図、図16は装置全体の重量を分散支持する状態を
示す模式図である。図中、第1実施例と実質上同一の部
材及び部分には同一符号が付されている。この実施例
は、眼球投影装置1の外装部1cが自動車のバックミラ
ー形式でヘアバンド2に連結されている点、及びヘアバ
ンド2の両側部2bに複数のスナップフイット穴2b′
が設けられていて弾性支持バンド6がこれらのスナップ
フイット穴2b′の何れかにスナップフイットピン5′
を介して連結されており且つヘアバンド2の両端部が観
察者の耳Dに前側から係合するように形成されている点
で、図9及び10に示された第2実施例とは異なる。 Fourth Embodiment FIG. 14 is a perspective view showing a state in which the head-mounted image display apparatus according to the fourth embodiment of the present invention is mounted on the head, FIG. 15 is its side view, and FIG. 16 is the entire apparatus. It is a schematic diagram which shows the state which carries out the dispersion support of the weight of. In the figure, substantially the same members and portions as those in the first embodiment are designated by the same reference numerals. In this embodiment, the exterior part 1c of the eyeball projection device 1 is connected to the hair band 2 in the form of a rearview mirror of an automobile, and a plurality of snap fit holes 2b 'are formed on both side parts 2b of the hair band 2.
And the elastic support band 6 is provided with a snap fit pin 5'in any of these snap fit holes 2b '.
9 is different from the second embodiment shown in FIGS. 9 and 10 in that both ends of the hair band 2 are formed so as to engage with the observer's ear D from the front side. .
【0020】この実施例の場合も、頭部への装置の装着
は第2実施例の場合と同様に行われるが、支持バンド6
の位置はスナップフイット穴2b′の何れを選択するか
によって適宜調節される。映像表示装置全体の重量は、
図16に矢印A1 ,A3 ,A 4 及びA5 で示す方向に働
く力として分散され、矢印A1 により示される力は観察
者の頭頂部Baにより、矢印A3 により示される力は頬
用パッド3を介して頬Cd,Ceにより、矢印A4 によ
り示される力は支持バンド6と観察者の後頭部との接触
部分により、矢印A5 により示される力は耳Dにより夫
々支持される。従って、この実施例の場合も、眼球投影
装置1は観察者の額部Cbに違和感を与えることなし
に、快適且つ安定的に装着位置に保持され得る。Also in the case of this embodiment, the device is worn on the head.
Is carried out as in the case of the second embodiment, but with the support band 6
Which position of the snap fit hole 2b 'is selected?
Is adjusted accordingly. The weight of the entire image display device is
Arrow A in FIG.1, A3, A FourAnd AFiveWork in the direction indicated by
Arrow A1The force indicated by is observed
By the person's crown Ba.3The force indicated by is the cheek
With the cheeks Cd, Ce through the pad 3 for the arrow AFourBy
The force shown is the contact between the support band 6 and the observer's occipital region.
Depending on the part, arrow AFiveThe force indicated by
Supported. Therefore, also in the case of this embodiment, the eyeball projection
The device 1 does not make the observer's forehead Cb feel uncomfortable.
In addition, it can be comfortably and stably held in the mounting position.
【0021】以上、各種実施例について説明したが、ヘ
アバンド2は図17に示されたように常態で鎖線位置を
とるように習性付けられ且つ装着時に実線位置まで広げ
られ得るような単一円弧状のものであってもよいし、
又、ヘアバンド2と眼球投影装置1の外装部1cとの連
結方式及びヘアバンド2と支持バンド6の連結方式は実
施例に限定されるものではなく、公知の各種のものを採
用することができる。Although various embodiments have been described above, as shown in FIG. 17, the hair band 2 is a single circle that is trained to take a chain line position in a normal state and can be expanded to a solid line position when worn. It may be arcuate,
Further, the connection method between the hair band 2 and the exterior portion 1c of the eyeball projection device 1 and the connection method between the hair band 2 and the support band 6 are not limited to the embodiments, and various known ones may be adopted. it can.
【0022】本発明は、特許請求の範囲に記載された特
徴のほか下記の通りの特徴を有する。 1. 眼球投影装置とヘアバンド又は略U字形の可撓性
部材との相対的位置関係を調節し得る調節手段を有する
ことを特徴とする請求項2又は3に記載の頭部装着型映
像表示装置。 2. 眼球投影装置の底部中央部に鼻当てパッドを有す
ることを特徴とする請求項1,2,3及び上記1の何れ
かに記載の頭部装着型映像表示装置。 3. 左右一対の射出光軸よりも上側の外装部の観察者
側面に配され、観察者の額部に接触可能な額当てパッド
を有することを特徴とする請求項1,2,3,上記1及
び2の何れかに記載の頭部装着型映像表示装置。 4.ヘアバンド又は略U字形の可撓性部材の内側に滑り
止め部材が設けられていることを特徴とする請求項2,
3,上記1,2及び3の何れかに記載の頭部装着型映像
表示装置。 5.ヘアバンド又は略U字形の可撓性部材の内側に鋸歯
状突起が設けられていることを特徴とする請求項2,
3,上記1,2及び3の何れかに記載の頭部装着型映像
表示装置。 6.ヘアバンド又は略U字形の可撓性部材の両端部に観
察者の耳に係止せしめられ得る係合部が設けられ、前記
両端部近傍に連結されていて観察者の後頭部を包囲し得
る支持バンドが設けられていることを特徴とする、請求
項2又は3に記載の頭部装着型映像表示装置。The present invention has the following features in addition to the features recited in the claims. 1. 4. The head-mounted image display device according to claim 2, further comprising adjusting means for adjusting a relative positional relationship between the eyeball projection device and the hair band or the substantially U-shaped flexible member. 2. The head-mounted image display device according to claim 1, further comprising a nose pad at the center of the bottom of the eyeball projection device. 3. 5. A forehead pad that is arranged on the observer's side surface of the exterior portion above the pair of left and right emission optical axes, and has a forehead support pad capable of contacting the observer's forehead portion. 2. The head-mounted image display device according to any one of 2 above. 4. 3. A non-slip member is provided inside a hair band or a substantially U-shaped flexible member.
3, The head-mounted image display device according to any one of 1, 2 and 3 above. 5. 3. A serrated protrusion is provided inside a hair band or a substantially U-shaped flexible member.
3, The head-mounted image display device according to any one of 1, 2 and 3 above. 6. An engaging portion that can be locked to an observer's ear is provided at both ends of a hair band or a substantially U-shaped flexible member, and is supported near the both ends so as to surround the occipital region of the observer. The head-mounted image display device according to claim 2, wherein a band is provided.
【0023】[0023]
【発明の効果】以上、各実施例によって詳述したよう
に、本発明によれば、頭部装着手段と、眼球投影装置内
の左右一対の各投影光学系によって形成される左右一対
の各射出光軸よりも下側に観察者の鼻部を介して左右に
分離配置された各弾性部材とを介して装置全体の重量及
び眼球投影装置の重力による回転モーメントを、観察者
の頭頂部,側部及び左右両頬部で分散支持することがで
きるから、眼球投影装置使用中に下方へずれるようなこ
とはなく、極めて安定した状態で装着され得、しかも眼
球投影装置内への外光の進入が有効に防止され得る。従
って、装着時の疲労が低減され且つ美しい映像を楽しむ
ことができる頭部装着型映像表示装置を提供することが
可能である。As described above in detail with reference to the embodiments, according to the present invention, the pair of left and right ejections formed by the head mounting means and the pair of left and right projection optical systems in the eyeball projection apparatus. The weight of the entire device and the rotation moment due to the gravity of the eyeball projection device, which are separated by the elastic members left and right via the nose of the observer below the optical axis, Since it can be dispersed and supported on both the left and right cheeks, it does not shift downward during use of the eyeball projection device, it can be mounted in a very stable state, and external light enters the eyeball projection device. Can be effectively prevented. Therefore, it is possible to provide a head-mounted image display device in which fatigue at the time of wearing is reduced and a beautiful image can be enjoyed.
【0024】又、頭部装着手段は、頂部が観察者の頭部
に接触し且つ両端部が観察者の頭部側面に夫々圧接する
ように形成された略U字形のヘアバンド又は可撓性部材
からなっているから、優れた装着感が得られる頭部装着
型映像表示装置を提供することができる。In addition, the head mounting means is a substantially U-shaped hair band or a flexible member whose top is in contact with the observer's head and both ends are in pressure contact with the side of the observer's head. Since it is made of a member, it is possible to provide a head-mounted image display device that provides an excellent wearing feeling.
【0025】更に、頭部装着手段である略U字形の可撓
性部材は、各投影光学系によって形成される左右一対の
各射出光軸に垂直な面から±45゜の範囲内で観察者の
頭頂部に接触し得るから、頭部装着手段が安定的に装着
され得る自由度が大きく、実用上極めて使用勝手の良い
頭部装着型映像表示装置を提供することができる。Further, the substantially U-shaped flexible member as the head mounting means is an observer within a range of ± 45 ° from a plane perpendicular to the pair of left and right exit optical axes formed by each projection optical system. Since it can contact the top of the head, there is a large degree of freedom with which the head mounting means can be stably mounted, and it is possible to provide a head mounted image display device that is extremely convenient in practical use.
【図1】本発明の第1実施例による頭部装着型映像表示
装置を頭部に装着させた状態を示す正面側斜視図であ
る。FIG. 1 is a front perspective view showing a state in which a head-mounted image display device according to a first embodiment of the present invention is mounted on a head.
【図2】図1の側面図である。FIG. 2 is a side view of FIG.
【図3】(a)は眼球投影装置の外装部と頭部装着手段
との連結装置の一例を示す要部拡大斜視図、(b)は
(a)の内部構造を示す断面図である。FIG. 3A is an enlarged perspective view of an essential part showing an example of a connecting device between an exterior part of an eyeball projection device and a head mounting means, and FIG. 3B is a sectional view showing an internal structure of FIG. 3A.
【図4】第1実施例における鼻パッドの一例を示す正面
図である。FIG. 4 is a front view showing an example of the nose pad according to the first embodiment.
【図5】頭部装着手段であるヘアバンドの一例を示す正
面図である。FIG. 5 is a front view showing an example of a hair band that is a head mounting means.
【図6】第1実施例における頭部装着型映像表示装置の
装着時の支持状態を説明するための模式的正面図であ
る。FIG. 6 is a schematic front view for explaining a supporting state when the head-mounted image display device according to the first embodiment is mounted.
【図7】図6の側面図である。FIG. 7 is a side view of FIG.
【図8】従来の頭部装着型映像表示装置の装着時の支持
状態を説明するための模式的側面図である。FIG. 8 is a schematic side view for explaining a supporting state of the conventional head-mounted image display device when mounted.
【図9】本発明の第2実施例による頭部装着型映像表示
装置を頭部に装着させた状態を示す正面側斜視図であ
る。FIG. 9 is a front perspective view showing a state in which the head-mounted image display device according to the second embodiment of the present invention is mounted on the head.
【図10】図9の側面図である。FIG. 10 is a side view of FIG. 9.
【図11】頭部装着手段であるヘアバンドの他の例を示
す正面図である。FIG. 11 is a front view showing another example of a hair band that is a head mounting means.
【図12】本発明の第3実施例による頭部装着型映像表
示装置を頭部に装着させた状態を示す正面側斜視図であ
る。FIG. 12 is a front perspective view showing a state in which the head-mounted image display device according to the third embodiment of the present invention is mounted on the head.
【図13】図12の側面図である。FIG. 13 is a side view of FIG.
【図14】本発明の第4実施例による頭部装着型映像表
示装置を頭部に装着させた状態を示す正面側斜視図であ
る。FIG. 14 is a front perspective view showing a state in which the head-mounted image display device according to the fourth embodiment of the present invention is mounted on the head.
【図15】図14の側面図である。FIG. 15 is a side view of FIG.
【図16】第4実施例における頭部装着型映像表示装置
の装着時の支持状態を説明するための模式的側面図であ
る。FIG. 16 is a schematic side view for explaining a supporting state when the head-mounted image display device according to the fourth embodiment is mounted.
【図17】頭部装着手段であるヘアバンドの更に他の例
を示す正面図である。FIG. 17 is a front view showing still another example of a hair band that is a head mounting means.
【図18】従来の頭部装着型映像表示装置の一例を正立
させた状態で模式的に示す背面側斜視図である。FIG. 18 is a rear side perspective view schematically showing an example of a conventional head-mounted image display device in an upright state.
【図19】従来の頭部装着型映像表示装置の他の例を倒
立させた状態で模式的に示す背面側斜視図である。FIG. 19 is a rear side perspective view schematically showing another example of the conventional head-mounted image display device in an inverted state.
A 観察者 B 観察者の頭部 Ba 観察者の頭頂部 C 観察者の顔面部 Ca 観察者の眼球 Cb 顔面部の額部 Cc 観察者の鼻 Cd,Ce 観察者の左右の頬部 D 観察者の耳 1 眼球投影装置 1a 映像表示素子 1b 投影光学系 1b1 ハーフミラー 1b2 プリズム 1b3 視度補正レンズ 1b4 凹面鏡 1c,10 外装部 2 頭部装着手段(ヘアバンド) 2a 頭部装着手段の頂部 2b 頭部装着手段の側部 2b′ スナップフイット穴 2c 弾性パッド 2d 突起 3 頬用パッド 4 鼻パッド 5 ねじ 5′ スナップフイットピン 6 支持バンド 7 弾性パッド 11 パッド 12 鼻当てA observer B observer's head Ba observer's crown C observer's face Ca Ca observer's eye Cb face's forehead Cc observer's nose Cd, Ce observer's left and right cheeks D observer Ear 1 Eye projection device 1a Image display device 1b Projection optical system 1b 1 Half mirror 1b 2 Prism 1b 3 Diopter correction lens 1b 4 Concave mirror 1c, 10 Exterior part 2 Head mounting means (hair band) 2a Head mounting means Top part 2b Side part of head mounting means 2b 'Snap fit hole 2c Elastic pad 2d Protrusion 3 Cheek pad 4 Nose pad 5 Screw 5'Snap fit pin 6 Support band 7 Elastic pad 11 Pad 12 Nose pad
Claims (3)
子,前記各映像表示素子によって表示された夫々の各映
像を観察者の左右の各眼球内に投影する左右一対の各投
影光学系,及び前記各映像表示素子と各投影光学系を収
容する外装部からなる眼球投影装置と、前記眼球投影装
置に設けられ、前記観察者の頭部に対して該眼球投影装
置を着脱自在に支持可能とする頭部装着手段とを備える
頭部装着型映像表示装置において、 前記眼球投影装置内の左右一対の各投影光学系によって
形成される左右一対の各射出光軸よりも下側に、前記観
察者の鼻部を介して左右に分離配置された各弾性部材を
有することを特徴とする頭部装着型映像表示装置。1. A pair of left and right image display elements for displaying images, a pair of left and right projection optical systems for projecting respective images displayed by the image display elements into respective left and right eyeballs of an observer, And an eyeball projection device including an exterior part that accommodates each of the image display elements and each projection optical system, and the eyeball projection device is provided on the eyeball projection device and can detachably support the eyeball projection device with respect to the head of the observer. In the head-mounted image display device including a head-mounted means, the observation is performed below a pair of left and right emission optical axes formed by a pair of left and right projection optical systems in the eye projection device. A head-mounted image display device comprising elastic members that are separately arranged on the left and right sides through a person's nose.
子,前記各映像表示素子によって表示された映像を観察
者の対応する左右の各眼球内に投影する左右一対の各投
影光学系,及び前記各映像表示素子と各投影光学系を収
容する外装部からなる眼球投影装置と、前記眼球投影装
置に設けられ、前記観察者の頭部に対して該眼球投影装
置を着脱自在に支持可能とする頭部装着手段とを備える
頭部装着型映像表示装置において、 前記外装部における観察者側の面に配されて、前記眼球
投影装置内の左右一対の各投影光学系によって形成され
る左右一対の各射出光軸よりも下側で、該観察者の左右
両頬部に接触可能な弾性部材からなる左頬用パッド及び
右頬用パッドを有し、前記頭部装着手段は、頂部が観察
者の頭頂部に接触し、両端部が観察者の頭部側面に夫々
圧接するように形成された略U字形のヘアバンドである
ことを特徴とする頭部装着型映像表示装置。2. A pair of left and right image display elements for displaying an image, a pair of left and right projection optical systems for projecting the image displayed by each of the image display elements into respective left and right eyeballs of an observer, An eyeball projection device including an exterior portion that accommodates each of the image display elements and each projection optical system, and an eyeball projection device that is provided in the eyeball projection device and is detachably supported on the head of the observer. A head-mounted image display device comprising: a head-mounted image display device, which is disposed on a viewer-side surface of the exterior part and is formed by a pair of left and right projection optical systems in the eye projection device. Each of the head mounting means has a left cheek pad and a right cheek pad made of an elastic member capable of contacting both the left and right cheeks of the observer below each emission optical axis of the head. Contact the top of the person's head and observe both ends Head-mounted image display apparatus which is a hair band generally U-shaped formed to respectively pressed against the sides of the head.
子,前記各映像表示素子によって表示された映像を観察
者の対応する左右の各眼球内に投影する左右一対の各投
影光学系,及び前記各映像表示素子と各投影光学系を収
容する外装部からなる眼球投影装置と、前記眼球投影装
置に設けられ、前記観察者の頭部に対して該眼球投影装
置を着脱自在に支持可能とする頭部装着手段とを備える
頭部装着型映像表示装置において、 前記外装部における観察者側の面に配されて、前記眼球
投影装置内の左右一対の各投影光学系によって形成され
る左右一対の各射出光軸よりも下側で、該観察者の左右
両頬部に接触可能な弾性部材からなる左頬用パッド及び
右頬用パッドを有し、前記頭部装着手段は、頂部が前記
各射出光軸に垂直な面から±45゜の範囲内で観察者の
頭頂部に接触し、両端部が観察者の頭部側面に夫々圧接
するように形成された略U字形の可撓性部材からなって
いることを特徴とする頭部装着型映像表示装置。3. A pair of left and right image display elements for displaying an image, a pair of left and right projection optical systems for projecting an image displayed by each of the image display elements into respective left and right eyeballs of an observer, An eyeball projection device including an exterior portion that accommodates each of the image display elements and each projection optical system, and an eyeball projection device that is provided in the eyeball projection device and is detachably supported on the head of the observer. A head-mounted image display device comprising: a head-mounted image display device, which is disposed on a viewer-side surface of the exterior part and is formed by a pair of left and right projection optical systems in the eye projection device. Below each emission optical axis of, the left cheek pad and the right cheek pad made of an elastic member capable of contacting both the left and right cheeks of the observer, and the head mounting means, the top is the Within ± 45 ° from the plane perpendicular to each emission optical axis A head-mounted type characterized by comprising a substantially U-shaped flexible member formed so as to come into contact with the top of the observer's head inside the enclosure, and both ends are pressed against the side of the observer's head. Video display device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17241394A JPH0836155A (en) | 1994-07-25 | 1994-07-25 | Head-mounted video display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17241394A JPH0836155A (en) | 1994-07-25 | 1994-07-25 | Head-mounted video display device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0836155A true JPH0836155A (en) | 1996-02-06 |
Family
ID=15941505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17241394A Withdrawn JPH0836155A (en) | 1994-07-25 | 1994-07-25 | Head-mounted video display device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0836155A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005081037A1 (en) * | 2004-02-19 | 2005-09-01 | Scalar Corporation | Image display device |
JP2009065310A (en) * | 2007-09-05 | 2009-03-26 | Konica Minolta Holdings Inc | Image display unit and face piece unit |
JP2013207710A (en) * | 2012-03-29 | 2013-10-07 | Osaka Univ | Display device |
-
1994
- 1994-07-25 JP JP17241394A patent/JPH0836155A/en not_active Withdrawn
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005081037A1 (en) * | 2004-02-19 | 2005-09-01 | Scalar Corporation | Image display device |
JPWO2005081037A1 (en) * | 2004-02-19 | 2007-09-06 | スカラ株式会社 | Image display device |
CN100414344C (en) * | 2004-02-19 | 2008-08-27 | 斯卡拉株式会社 | Image display device |
JP4601609B2 (en) * | 2004-02-19 | 2010-12-22 | スカラ株式会社 | Image display device |
JP2009065310A (en) * | 2007-09-05 | 2009-03-26 | Konica Minolta Holdings Inc | Image display unit and face piece unit |
JP2013207710A (en) * | 2012-03-29 | 2013-10-07 | Osaka Univ | Display device |
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A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20011002 |