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    • 3. 发明授权
    • Optical isolator
    • US06599023B2
    • 2003-07-29
    • US09930834
    • 2001-08-15
    • Tai-Cherng YuJu Jn DyChun Yu LeeChien-Cheng Chen
    • Tai-Cherng YuJu Jn DyChun Yu LeeChien-Cheng Chen
    • G02B638
    • G02B6/2746G02B6/327
    • An optical isolator includes a first collimator, a second collimator and an isolation assembly arranged between the collimators. The first collimator includes a first capillary retaining an input fiber and a first GRIN lens received and retained in a first glass sleeve. The isolation assembly includes two birefringent crystal wedges with an optical rotator interposed between the birefringent crystal wedges. A magnetic ring receives and retains the birefringent crystal wedges and the optical rotator together. The second collimator includes a second capillary retaining an output fiber and a second GRIN lens which are received and retained in a second glass sleeve. A first stainless steel sleeve receives and retains the first glass sleeve and the isolation assembly together while a second stainless sleeve is fit over the second collimator. Apertures are defined in the first stainless steel sleeve. An end of the second stainless steel sleeve is sized to snugly fit into the end of the first stainless steel sleeve and thus properly aligns the collimators with each other. A portion of the second stainless steel sleeve underlaps the apertures of the first stainless sleeve. Welding is performed through the apertures to permanently secure the two stainless steel sleeves together.
    • 7. 发明授权
    • Portable reading lamp
    • 便携式阅读灯
    • US07604366B1
    • 2009-10-20
    • US12141750
    • 2008-06-18
    • Chien-Cheng Chen
    • Chien-Cheng Chen
    • F21V33/00
    • F21V33/0048F21L4/027F21V21/0965F21V23/0414F21Y2115/10Y10S362/80
    • A portable reading lamp includes a lower and an upper cover assembled together to enclose therein a printed circuit board (PCB), a plurality of light-emitting units, a laser-illuminating unit, a power supply unit, and switches for switching on and off the light-emitting units and the laser-illuminating unit. The assembled lower and upper covers define an inward curved front surface, from where the light-emitting units irradiate light onto a predetermined area to help in reading at a dark place without the need of a light-guiding plate, enabling a largely reduce size of the portable reading lamp. With the laser-illuminating unit, the portable reading lamp may serve as a laser pointer. And, magnets may be externally attached a bottom of the lower cover, enabling the portable reading lamp to serve as a magnetic memo holder.
    • 便携式阅读灯包括组装在一起以封装印刷电路板(PCB),多个发光单元,激光照明单元,电源单元和用于打开和关闭的开关的下盖和上盖 发光单元和激光照明单元。 组合的下盖和上盖限定向内弯曲的前表面,从那里发光单元将光照射到预定区域以帮助在黑暗的地方读取而不需要导光板,从而能够大大减小尺寸 便携式阅读灯。 利用激光照明单元,便携式阅读灯可以用作激光指示器。 并且,磁体可以外部附接到下盖的底部,使得便携式阅读灯能够用作磁记录保持器。
    • 9. 发明授权
    • Circuit board testing jig
    • 电路板测试夹具
    • US07474531B2
    • 2009-01-06
    • US11709221
    • 2007-02-22
    • Chien-Cheng ChenI-Wei Shen
    • Chien-Cheng ChenI-Wei Shen
    • H05K7/20H05K5/00G01R31/02
    • G01R31/2808G01R31/2891
    • A circuit board testing jig for testing a circuit board and dissipating heats generated by a heat-generating electronic element of the circuit board is provided. The circuit board testing jig includes a fixing frame, a platform, and a displacement mechanism. The fixing frame and the platform are respectively used to support the circuit board and a heatsink module. The displacement mechanism enables the platform to move between a ready position and an attached position. When the platform is located at the ready position, the heatsink module on the platform is separated from the heat-generating electronic element; when the platform is located at the attached position, the heatsink module is pressed onto the heat-generating electronic element, for dissipating the heat generated by the heat-generating electronic element.
    • 提供了用于测试电路板并消散由电路板的发热电子元件产生的热量的电路板测试夹具。 电路板测试夹具包括固定框架,平台和位移机构。 固定架和平台分别用于支撑电路板和散热模块。 位移机构使得平台能够在就绪位置和附接位置之间移动。 当平台位于就绪位置时,平台上的散热器模块与发热电子元件分离; 当平台位于附接位置时,散热模块被按压到发热电子元件上,用于消散由发热电子元件产生的热量。