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    • 72. 发明授权
    • Decoration tree
    • 装饰树
    • US5043193A
    • 1991-08-27
    • US553665
    • 1990-07-18
    • Hiroshi Ueda
    • Hiroshi Ueda
    • A41G1/00A47G33/06
    • A41G1/00A41G1/007A47G33/06
    • A tree model is made of synthetic resin and surfaces of stem portion, branch portions and leaves of the tree model are covered with a green light emitting inorganic phosphor and additional decoration models to be mounted on the branch portions or leaves of the tree model are made of synthetic resin and are formed in a variety of models of various kinds of goods such as furits, bells and the like and the surfaces of the various models are covered with an inorganic phosphor emitting a variety of colors consisting of at least one kind chosen from a red light emitting phosphor, green light emitting phosphor and blue light emitting phosphor and these tree model and the additional decoration models are seen as white under the visible rays of light but the inorganic phosphor emits light when irradiated with ultraviolet rays, and the light emitting is taken place with color in red, green, blue, yellow, pink or orange according to kinds of the inorganic phosphor applied on the tree model and the additional decoration models, and under the visible rays of light and the irradiation of the ultraviolet rays, the same decoration goods show the entirely different colors which produce an interesting phenomenon of the colors to the viewers.
    • 树模型由合成树脂制成,树模型的树枝部分,分枝部分和叶子的表面被绿色发光无机磷光体覆盖,并且在树模型的分支部分或叶子上安装附加的装饰模型 的合成树脂,并且形成为各种各样的各种类型的产品,例如毛皮,铃铛等,并且各种型号的表面被发射各种颜色的无机磷光体覆盖,所述各种颜色由至少一种选自 红色发光荧光体,绿色发光荧光体和蓝色发光荧光体,并且这些树型模型和附加装饰模型在可见光线下被视为白色,但是当用紫外线照射时,无机荧光体发光,并且发光 根据应用于树模型和th上的无机磷光体的种类,以红色,绿色,蓝色,黄色,粉红色或橙色的颜色进行拍摄 额外的装饰模型,在可见光线和紫外线的照射下,相同的装饰物品显示出完全不同的颜色,给观众带来了有趣的颜色现象。
    • 76. 发明授权
    • Method of producing modified lead barium titanate ceramic useful as PTC
thermistor
    • 制造用作PTC热敏电阻的改性铅钛酸钡陶瓷的方法
    • US4960551A
    • 1990-10-02
    • US273811
    • 1988-11-21
    • Takamitsu EonomotoHiroshi UedaMidori KawaharaNaoki OkadaNoboru Murata
    • Takamitsu EonomotoHiroshi UedaMidori KawaharaNaoki OkadaNoboru Murata
    • C04B35/468C04B35/472H01C7/02
    • C04B35/4684C04B35/472H01C7/02
    • A modified lead barium titanate ceramic which has a fundamental composition of (Ba.sub.1-x-y Sb.sub.y Pb.sub.x)TiO.sub.3, where x is not greater than 0.9 and usually not smaller than 0.6 and y is from 0.001 to 0.1, and has a high positive temperature coefficient of resistivity (PTCR) over a range of temperature higher than about 350.degree. C. at the lower boundary, is produced by using a metal salt of an organic acid such as lead titanate salt of oxalic acid as the source of Pb and by adding at least one of BaCO.sub.3, SiO.sub.2, BN and TiO.sub.2 to the raw materials of the above fundamental composition. After thermally decomposing the organic acid metal salt the mixture of the raw materials including the additive(s) is compacted and sintered. By this method the sintering is achieved with good reproducibility and with little dissipation of lead, and the obtained titanate ceramic is good and durable in the PTCR characteristics and hence is useful as the material of a PTC thermistor functioning at medium-to-high temperatures.
    • 具有(Ba1-x-ySbBx)TiO3的基本组成的改性的铅钛酸钡陶瓷,其中x不大于0.9且通常不小于0.6,y为0.001至0.1,并且具有高的正温度系数 通过使用诸如草酸的钛酸铅的有机酸的金属盐作为Pb的来源,并且至少加入至少在下边界处于高于约350℃的温度范围内的电阻率(PTCR) 一种BaCO3,SiO2,BN和TiO2为原料的上述基本成分。 在分解有机酸金属盐之后,将包含添加剂的原料的混合物压实并烧结。 通过这种方法,以良好的再现性和铅的少量耗散实现烧结,并且所得钛酸陶瓷在PTCR特性中是良好和耐用的,因此可用作在中 - 高温度下工作的PTC热敏电阻的材料。
    • 78. 发明授权
    • Focus detecting device and auxiliary illuminating device therefor
    • 聚焦检测装置及辅助照明装置
    • US4958180A
    • 1990-09-18
    • US196290
    • 1988-05-20
    • Toru MatsuiHiroshi Ueda
    • Toru MatsuiHiroshi Ueda
    • G02B7/32
    • G02B7/32
    • A focus detecting device for detecting a focus condition of a photographic lens by receiving light coming from a plurality of focus detecting area and auxiliary illuminating device therefor. The illuminating device is provided with a light source, a projection pattern disposed just before the light source for providing a sufficient contrast onto an object and a projection lens. The light source is composed of plural condenser lenses arranged in a row and plural light emitting elements arranged behind the condenser lenses at intervals wider than the spacing of adjacent condenser lenses, whereby an object of a wide range is illuminated uniformly. The projection pattern comprises small-size patterns suitable for photographic lenses of long focal lengths, arranged centrally of the projection pattern, and large-size patterns suitable for photographic lenses of short focal lengths, arranged in the outer peripheral portion of the projection pattern. Further, the projection pattern has a curved shape to compensate astigmatism characteristics of the projection lens.
    • 一种焦点检测装置,用于通过接收来自多个焦点检测区域的光和辅助照明装置来检测摄影镜头的聚焦状态。 照明装置设置有光源,设置在光源之前的投影图案,用于向物体和投影透镜提供足够的对比度。 该光源由排列成一行的多个聚光透镜和在聚光透镜的后方配置的多个发光元件以比相邻的聚光透镜的间隔更宽的间隔构成,从而均匀地照射宽范围的物体。 投影图案包括适于布置在投影图案中心的长焦距的照相透镜的小尺寸图案,以及适合于投影图案的外周部分中的短焦距照相透镜的大尺寸图案。 此外,投影图案具有弯曲形状以补偿投影透镜的散光特性。