Surface illuminant device emitting light in multiple directions in concentrative manner
    1.
    发明授权
    Surface illuminant device emitting light in multiple directions in concentrative manner 有权
    表面照明装置以多个方向集中发光

    公开(公告)号:US06357888B1

    公开(公告)日:2002-03-19

    申请号:US09401806

    申请日:1999-09-22

    IPC分类号: F21V704

    CPC分类号: G02B6/0053

    摘要: A surface illuminant device includes a surface illuminant having a light distribution characteristic with no directivity relative to specific directions, and a prism sheet having a plurality of prisms each having a predetermined apical angle. The prism sheet is placed on the light emission side of the surface illuminant. One side of the prism sheet on which a plurality of prisms are placed is opposite to the light emission side of the surface illuminant. Accordingly, light can be emitted in a plurality of specific directions in concentrative manner to enhance luminance in that plurality of directions. Further, the surface illuminant device includes an optical sheet which condenses the incident light. In the luminance distribution (light distribution characteristic) thus obtained, the luminance gently decreases in the vicinity of the directions in which light is emitted in concentrative manner.

    摘要翻译: 表面发光器件包括具有相对于特定方向没有方向性的光分布特性的表面发光体,以及具有各自具有预定顶角的多个棱镜的棱镜片。 棱镜片放置在表面光源的发光侧。 配置有多个棱镜的棱镜片的一侧与表面光源的发光侧相反。 因此,能够以多个特定方向发光,以提高多个方向的亮度。 此外,表面光源装置包括冷凝入射光的光学片。 在这样得到的亮度分布(配光特性)中,在以集中方式发光的方向附近,亮度缓慢降低。

    Cooker with heating control system
    3.
    发明授权
    Cooker with heating control system 失效
    电加热控制系统

    公开(公告)号:US4492336A

    公开(公告)日:1985-01-08

    申请号:US473437

    申请日:1983-03-09

    摘要: A high performance automatic temperature control system enables fries and Japanese tempura to be prepared in optimum condition.The temperature of the outer bottom surface of a container being heated is measured by a temperature sensor a given time later. A temperature rise gradient of the temperature sensor established at a given time in the initial stage of heating is used as a temperature correction value peculiar to the container, while a temperature rise gradient of the temperature sensor established after a certain temperature has been reached is used as a temperature correction value for the amount of food being cooked. The former and latter temperature correction values are converted into preset temperature values and serve as operating temperatures for the temperature sensor.When the temperature sensor reaches the operating temperature, the heating rate is controlled to hold the operating temperature. Thus, the system performs automatic temperature control irrespective of the kind of the material, wall thickness and size of the container, by means of the temperature rise gradients of the temperature sensor so as to ensure that the preset temperature and the temperature of the food are equal.

    摘要翻译: 高性能自动温度控制系统可以在最佳条件下制作薯条和日本天妇罗。 被加热的容器的外底表面的温度通过一定时间后的温度传感器测量。 使用在加热的初始阶段在给定时间建立的温度传感器的温度升高梯度作为容器特有的温度校正值,而在达到一定温度之后建立的温度传感器的温度升高梯度被使用 作为烹调食物量的温度校正值。 前一个和后一个温度校正值被转换成预设的温度值并且用作温度传感器的工作温度。 当温度传感器达到工作温度时,控制加热速率以保持工作温度。 因此,系统通过温度传感器的温度升高梯度来进行自动温度控制,而不管材料的种类,壁厚和尺寸如何,以确保食品的预设温度和温度为 等于。