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    • 2. 发明授权
    • Wide field of view head mounted display device
    • 宽视野头戴式显示装置
    • US07088516B2
    • 2006-08-08
    • US10454535
    • 2003-06-05
    • Yasushi YagiMasahiko YachidaHajime Nagahara
    • Yasushi YagiMasahiko YachidaHajime Nagahara
    • G02B27/14G02B23/00
    • G02B27/0172G02B2027/0127
    • Provided is a wide field of view head mounted display device capable of presenting 120 degree field of view per one eye and 180 or more by both eyes horizontally while keeping resolution at least to the same extent of the conventional art. The wide field of view head mounted display device includes: a LCD 1 for displaying an image; a lens 2 for projecting an image displayed on the LCD 1; and a catoptric system with a concave mirror 4 and a convex mirror 3. The LCD 1 and the lens 2, the concave mirror 4 and convex mirror 3 are positioned in a relative relationship to observe by an observing pupil 5 at a predetermined position a virtual image of a beam of reflected light as an incident light on the concave mirror 4 when the light of displayed image on the LCD 1 is projected to the convex mirror 3 through the lens 2 and a reflected light of the projected light at the convex mirror 3 arrives as the incident light at the concave mirror 4.
    • 提供了一种宽视野头戴式显示装置,其能够在保持分辨率至少与常规技术相同程度的同时,在每只眼睛中呈现120度视野并且由双眼水平地呈现180度以上。 宽视野头戴显示装置包括:用于显示图像的LCD 1; 用于投影显示在LCD 1上的图像的透镜2; 以及具有凹面镜4和凸面镜3的折射系统。 LCD 1和透镜2,凹面镜4和凸面镜3以相对关系定位,以在预定位置上由观察光瞳5观察作为凹面镜上的入射光的反射光束的虚像 当LCD 1上的显示图像的光通过透镜2投影到凸面镜3,并且凸面镜3处的投射光的反射光到达凹面镜4处的入射光时。
    • 3. 发明授权
    • Omnidirectional visual sensor having a plurality of mirrors with
surfaces of revolution
    • 具有多个具有旋转表面的反射镜的全方位视觉传感器
    • US6130783A
    • 2000-10-10
    • US311275
    • 1999-05-14
    • Yasushi YagiMasahiko Yachida
    • Yasushi YagiMasahiko Yachida
    • G02B17/00G02B13/06H04N5/225G02B27/10G02B5/08G02B13/22
    • H04N5/2259G02B13/06
    • An omnidirectional visual sensor which can observe a 360-degree panoramic field area, obtain a sharp image and correctly transform a central projection with respect to the image and can be minimized as a whole includes a convex mirror with a surface of revolution having a focal point, a plurality of mirrors with surfaces of revolutions having at least one focal point, a photoreceiving lens system receiving light reflected by the convex mirror with the surface of revolution and the plurality of mirrors with surfaces of revolutions and an image acquisition surface receiving the light received in the photoreceiving lens system and converting the same to an electric signal, and the convex mirror with the surface of revolution and the plurality of mirrors with surfaces of revolutions are so arranged that the focal point of a first mirror included in the convex mirror with the surface of revolution and the plurality of mirrors with surfaces of revolutions aligns with the focal point of a second mirror, included in the convex mirror with the surface of revolution and the plurality of mirrors with surfaces of revolutions, further reflecting light reflected by the first mirror.
    • 可以观察360度全景场区域的全向视觉传感器,获得清晰图像并相对于图像正确地变换中心投影,并且可以最小化,整体包括具有具有焦点的旋转表面的凸面镜 具有至少一个焦点的具有转动表面的多个反射镜,接收由凸面镜反射的光与旋转表面的光接收透镜系统,以及具有转动表面的多个反射镜和接收接收到的光的图像获取表面 在光接收透镜系统中并将其转换为电信号,并且具有旋转表面的凸面镜和具有转动表面的多个反射镜被布置成使得包括在凸面镜中的第一反射镜的焦点与 旋转表面和具有转动表面的多个反射镜与焦点的秒对准 包括在具有旋转表面的凸面镜和具有转动表面的多个反射镜的反射镜中,进一步反射由第一反射镜反射的光。