Optical sensor device
    1.
    发明授权
    Optical sensor device 失效
    光传感器装置

    公开(公告)号:US5844682A

    公开(公告)日:1998-12-01

    申请号:US406540

    申请日:1995-03-20

    摘要: Whether or not an object is present, the surface state of the object, the material constituting the object and the presence of scattering bodies are discriminated through a simple arrangement which includes a light-emitting element for projecting light upon an object to be sensed, and a polarization beam splitter upon which light reflected from the object (or light transmitted through or scattered from the object) impinges. Reflected light from the polarization beam splitter is received by a first light-receiving element, and transmitted light from the polarization beam splitter is received by a second light-receiving element. The aforesaid discrimination is performed on the basis of the value of S/P, S-P, S-kP or (S-P)/(S+P), where S and P represent light-reception signals from the first and second light-receiving elements, and k is a constant.

    摘要翻译: 物体是否存在,物体的表面状态,构成物体的材料和散射体的存在是通过简单的布置来鉴别的,其包括用于将光投射到被感测物体上的发光元件,以及 偏振光束分离器,从物体反射的光(或透过或散射于物体的光)入射。 来自偏振分束器的反射光被第一光接收元件接收,并且来自偏振分束器的透射光被第二光接收元件接收。 基于S / P,SP,S-kP或(SP)/(S + P)的值进行上述判别,其中S和P表示来自第一和第二光接收元件的光接收信号 ,k是常数。

    Transparent optical component for light emitting/receiving elements
    4.
    发明授权
    Transparent optical component for light emitting/receiving elements 失效
    用于发光/接收元件的透明光学元件

    公开(公告)号:US07244924B2

    公开(公告)日:2007-07-17

    申请号:US11348974

    申请日:2006-02-07

    IPC分类号: H01J3/14 F21V5/00

    摘要: This invention improves the use efficiency of light emitted by a solid light emitter such as a light emitting diode, and realizes a desired directional pattern. On a front boundary surface of a mold resin 13 sealing a light emitter 12, there are formed a direct emission region 18 for emitting the light from the light emitter 12 and a total reflection region 19 for totally reflecting the light from the light emitter 12. The direct emission region 18 is convex lens-shaped. A light reflecting portion 20 having a concave mirror shape is disposed on a rear wall of the mold resin 13. A part of light emitted from the light emitter 12 is emitted forward by receiving an optical lens action when it passes through the direct emission region 18. Another part of the light emitted by from the light emitter 12 is totally reflected by the total reflection region 19, and is reflected by the light reflecting portion 20, and emitted forward from the total reflection region 19.

    摘要翻译: 本发明提高了由诸如发光二极管的固体发光体发射的光的使用效率,并且实现了所需的方向图。 在密封发光体12的模制树脂13的前边界面上形成有用于发射来自发光体12的光的直接发射区域18和用于全反射来自发光体12的光的全反射区域19。 直接发射区域18是凸透镜状的。 具有凹面镜形状的光反射部分20设置在模制树脂13的后壁上。 从光发射器12发射的光的一部分在通过直接发射区域18时通过接收光学透镜作用而向前发射。 来自发光体12的光的另一部分被全反射区域19全反射,被光反射部20反射,从全反射区域19向前方射出。

    Transparent optical component for light emitting/receiving elements
    6.
    发明申请
    Transparent optical component for light emitting/receiving elements 失效
    用于发光/接收元件的透明光学元件

    公开(公告)号:US20060124835A1

    公开(公告)日:2006-06-15

    申请号:US11348974

    申请日:2006-02-07

    IPC分类号: H01J3/14

    摘要: This invention improves the use efficiency of light emitted by a solid light emitter such as a light emitting diode, and realizes a desired directional pattern. On a front boundary surface of a mold resin 13 sealing a light emitter 12, there are formed a direct emission region 18 for emitting the light from the light emitter 12 and a total reflection region 19 for totally reflecting the light from the light emitter 12. The direct emission region 18 is convex lens-shaped. A light reflecting portion 20 having a concave mirror shape is disposed on a rear wall of the mold resin 13. A part of light emitted from the light emitter 12 is emitted forward by receiving an optical lens action when it passes through the direct emission region 18. Another part of the light emitted by from the light emitter 12 is totally reflected by the total reflection region 19, and is reflected by the light reflecting portion 20, and emitted forward from the total reflection region 19.

    摘要翻译: 本发明提高了由诸如发光二极管的固体发光体发射的光的使用效率,并且实现了所需的方向图。 在密封发光体12的模制树脂13的前边界面上形成有用于发射来自发光体12的光的直接发射区域18和用于全反射来自发光体12的光的全反射区域19。 直接发射区域18是凸透镜状的。 具有凹面镜形状的光反射部分20设置在模制树脂13的后壁上。 从光发射器12发射的光的一部分在通过直接发射区域18时通过接受光学透镜作用而向前发射。 来自发光体12的光的另一部分被全反射区域19全反射,被光反射部20反射,从全反射区域19向前方射出。

    Optical device and apparatus comprising the optical device
    10.
    发明申请
    Optical device and apparatus comprising the optical device 失效
    包括光学装置的光学装置和装置

    公开(公告)号:US20050212089A1

    公开(公告)日:2005-09-29

    申请号:US11135581

    申请日:2005-05-23

    摘要: On a front wall of a mold resin (13) sealing a light emitter (12), a direct emission region (18), through which the light emitted from the light emitter (12) directly passes to the outside, and a total reflection region (19), by which the light emitted from the light emitter (12) is totally reflected, are formed. The direct emission region (18) is formed into a shape of a convex lens. A light reflection portion (20) which is made of a concave mirror is provided on the rear face of the mold resin (13). When a part of the light emitted from the light emitter (12) passes through the direct emission region (18), it is affected by the lens to be emitted to the front direction. After another part of the light emitted from the light emitter (12) is totally reflected by the total reflection region (19), it is reflected by the light reflection portion (20) to be emitted to the front direction through the total reflection region (19).

    摘要翻译: 在密封光发射器(12)的模制树脂(13)的前壁上,从发光体(12)发射的光直接通过外部的直接发射区域(18)和全反射区域 (19),由此从光发射器(12)发射的光被完全反射。 直接发射区域(18)形成为凸透镜的形状。 在模制树脂(13)的后表面上设置由凹面镜制成的光反射部分(20)。 当从光发射器(12)发射的光的一部分通过直接发射区域(18)时,其受透镜影响以向前方发射。 在从光发射器(12)发射的光的另一部分被全反射区域(19)全反射之后,被光反射部分(20)反射,以通过全反射区域 19)。