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    • 5. 发明授权
    • Image display apparatus
    • 图像显示装置
    • US6097354A
    • 2000-08-01
    • US84492
    • 1998-05-27
    • Koichi TakahashiJunko Takahashi
    • Koichi TakahashiJunko Takahashi
    • G02B13/18G02B25/00G02B27/00G02B27/01G02B27/02H04N5/64G09G5/00G02B27/14
    • G02B27/0172G02B2027/011G02B2027/0178
    • An image display apparatus capable of providing a clear observation image at a wide field angle by using an ocular optical system including an optical element having a minimal number of constituent surfaces. The apparatus includes an image display device (5) which displays an image, and an ocular optical system (4) which projects the image formed by the image display device (5) and leads the image to an observer's eyeball (3). The ocular optical system (4) has two surfaces, i.e. a first surface (11) and a second surface (12). A space formed by the two surfaces is filled with a medium having a refractive index larger than 1. At least one surface of the ocular optical system (4) is a non-rotationally symmetric aspherical surface decentered or tilted with respect to an observer's visual axis (2). The first surface (11) is a transmitting surface which serves as both an entrance surface for light rays emitted from the image display device (5) and an exit surface through which the light rays exit from the ocular optical system (4). The first surface (11) is convex toward the observer.
    • 一种图像显示装置,其能够通过使用包括具有最小数量的构成表面的光学元件的眼睛光学系统,以广角度提供清晰的观察图像。 该装置包括显示图像的图像显示装置(5)和投射由图像显示装置(5)形成的图像并将图像引导到观察者眼球(3)的眼睛光学系统(4)。 眼睛光学系统(4)具有两个表面,即第一表面(11)和第二表面(12)。 由两个表面形成的空间填充有折射率大于1的介质。目镜光学系统(4)的至少一个表面是相对于观察者视轴偏心或倾斜的非旋转对称非球面表面 (2)。 第一表面(11)是用于从图像显示装置(5)发射的光线的入射面和光线从眼睛光学系统(4)射出的出射面的透射面。 第一表面(11)朝向观察者凸出。
    • 6. 发明授权
    • Image display apparatus
    • 图像显示装置
    • US5986812A
    • 1999-11-16
    • US896856
    • 1997-07-18
    • Junko Takahashi
    • Junko Takahashi
    • G02B27/02G02B27/00G02B27/01H04N5/64G02B27/14
    • G02B27/0172G02B2027/011G02B2027/0178
    • A head-mounted image display apparatus capable of providing an observation image which is clear and has minimal distortion even at a wide field angle. Display light from an image display device (7) enters an optical system (8) through a first surface (3) serving as both transmitting and reflecting surfaces. The incident light is reflected by a third surface (5) and further reflected by the first surface (3). Then, the reflected light is reflected by a second surface 4 which is a decentered reflecting surface disposed on an optical axis (2) to face an exit pupil (1). The reflected light exits from the optical system (8) through the first surface (3), travels along the optical axis (2) and enters an observer's pupil placed at the exit pupil (1), without forming an intermediate image, thus forming a display image on the retina of the observer's eye. The first to third surfaces (3 to 5) are each formed from a plane-symmetry three-dimensional surface having no axis of rotational symmetry in nor out of the surface and having only one plane of symmetry.
    • 一种头戴式图像显示装置,能够提供清晰的观察图像,即使在宽视角下也具有最小失真。 来自图像显示装置(7)的显示光通过用作透射和反射表面的第一表面(3)进入光学系统(8)。 入射光被第三表面(5)反射并进一步被第一表面(3)反射。 然后,反射光被设置在光轴(2)上的面对出射光瞳(1)的偏心反射面的第二面4反射。 反射光通过第一表面(3)从光学系统(8)射出,沿着光轴(2)行进并进入放置在出射光瞳(1)处的观察者瞳孔,而不形成中​​间图像,从而形成 在观察者眼睛的视网膜上显示图像。 第一至第三表面(3至5)各自由不具有旋转对称轴的平面对称三维表面形成,并且仅具有一个对称平面。
    • 8. 发明授权
    • Head- or face-mounted image display apparatus
    • 头部或面部安装的图像显示装置
    • US5774268A
    • 1998-06-30
    • US733647
    • 1996-10-17
    • Junko Takahashi
    • Junko Takahashi
    • G02B27/02G02B27/00G02B27/01G09F9/00H04N5/64G02B27/14
    • G02B27/0172G02B2027/011G02B2027/0178
    • A compact, wide-field, high-resolution, low-cost and easy-to-handle head- or face-mounted image display apparatus in which unwanted light is reduced without using a polarizing member or a louver optical system. The apparatus has an image display device (1) for displaying an image; an optical system (P) for projecting the image into an observer's eyeball as an enlarged image without effecting image formation on the way to the observer's eyeball; and a device for mounting and retaining the image display device (1) and the optical system (P) on an observer's head or face i The optical system (P) is a prism optical system which has at least four surfaces, that is, a back-coated mirror (3) of positive power which is disposed to face the image display device (1), an image display device-side surface (2) facing opposite to the back-coated mirror (3), an exit surface (5) closer to the observer's eyeball, and a transmitting surface (7) facing opposite to the exit surface (5), and which is made of a transparent medium having a refractive index larger than 1. The distance between the vertex of the back-coated mirror (3) and the vertex of the image display device-side surface (2) satisfies the condition of 0.8.ltoreq..theta..sub.min /.theta..sub.max .ltoreq.1.5.
    • 紧凑,宽场,高分辨率,低成本和易于处理的头戴式或面部安装的图像显示装置,其中不使用偏光构件或百叶窗光学系统而减少不需要的光。 该装置具有用于显示图像的图像显示装置(1) 用于将图像投影到观察者的眼球中作为放大图像的光学系统(P),而不会在到达观察者眼球的途中影像形成; 以及用于将图像显示装置(1)和光学系统(P)安装并保持在观察者头部或面部i上的装置。光学系统(P)是具有至少四个表面的棱镜光学系统,即, 设置为面对图像显示装置(1)的正面功率的背面镜(3),与背面镜(3)相对的图像显示装置侧面(2),出射面(5) )和与出射表面(5)相对的透射表面(7),并且由折射率大于1的透明介质制成。背涂层的顶点之间的距离 反射镜(3)和图像显示装置侧表面(2)的顶点满足0.8
    • 10. 发明申请
    • Method of controlling fluid
    • 控制流体的方法
    • US20070034269A1
    • 2007-02-15
    • US10574200
    • 2004-10-01
    • Hidenori NagaiShinichi WakidaJunko Takahashi
    • Hidenori NagaiShinichi WakidaJunko Takahashi
    • F15C1/04
    • G01N27/44791B01J19/0093B01J2219/00837B01J2219/00934B01J2219/00943B01J2219/00984B01L3/502707B01L3/502715B01L3/502738B01L2300/0816B01L2300/0864B01L2300/165B01L2400/0622B01L2400/0688F16K99/0001F16K99/0017F16K99/0034F16K99/004Y10T137/2191
    • There is provided a method of controlling a flow of a fluid in a microchannel, in which a part of a surface of the microchannel is a hydrophilization portion comprised of a substance being capable of decreasing a contact angle of water by irradiation of light, and the method comprises (1) irradiating the hydrophilization portion with light to decrease a contact angle of water of its surface (hydrophilization step), (2) releasing a substance for increasing a contact angle of water from a material for controlling a contact angle of water which contains the substance for increasing a contact angle of water which provides a surface having a contact angle of water larger than that of the hydrophilization portion after the decreasing of a contact angle of water (releasing step), and (3) bringing the released substance for increasing a contact angle of water into contact with the surface of the hydrophilization portion to adhere the substance for increasing a contact angle of water to the surface, thereby increasing the contact angle of water of the surface of the hydrophilization portion (hydrophobilization step). Also there is provided a valve utilizing the mentioned method. Thus, there are provided a fluid control method and valve which enable hydrophobilization and hydrophilization to be easily carried out in a noncontact manner in a microchannel without using a moving part.
    • 提供了一种控制微通道中的流体流动的方法,其中微通道的一部分表面是由能够通过照射光而降低水的接触角的物质的亲水化部分, 方法包括:(1)用光照射亲水化部分以降低其表面的水的接触角(亲水化步骤),(2)释放用于增加水的接触角的物质与用于控制水的接触角的材料 含有用于增加水的接触角的物质,其在水的接触角降低之后(释放步骤)提供具有大于亲水化部分的接触角的表面的表面,和(3)将释放的物质用于 增加水与亲水化部分表面接触的接触角,以粘附物质以增加水的接触角 从而增加亲水部分表面的水的接触角(疏水化步骤)。 还提供了利用所述方法的阀。 因此,提供一种流体控制方法和阀,其能够使疏水化和亲水化容易地以非接触的方式在微通道中进行而不使用移动部件。