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    • 4. 发明授权
    • Isolated dual-mode converter and applications thereof
    • 隔离双模转换器及其应用
    • US08324985B2
    • 2012-12-04
    • US12822446
    • 2010-06-24
    • Tsun-Hsu ChangNai-Ching ChenChun-Tan Wu
    • Tsun-Hsu ChangNai-Ching ChenChun-Tan Wu
    • H01P5/12H01P1/161
    • H01P1/161H01P1/066
    • An isolated dual-mode converter includes a TE01 mode converter including a circular waveguide, and a plurality of rectangular waveguides connected to the circumference of the circular waveguide; and a TM01 mode converter including a coaxial waveguide, formed by coaxial outer and inner conductors, and the circular waveguide connected and aligned axially with the coaxial waveguide, wherein a symmetrical axis of an opening at the end of the rectangular waveguides connected to the circular waveguide is parallel to the axis of the circular waveguide, thereby avoiding interfering with the propagation of TM01 mode. In an application, the isolated dual-mode converter outputs TE01 mode and TM01 mode at the same port, thereby achieving more uniform microwave heating. In another application, two isolated dual-mode converters are aligned face-to-face, forming a dual-channel joint with high channel isolation and low transmission loss, which may be used for a rotary joint of a radar system.
    • 一个隔离双模转换器包括一个包括一个圆形波导的TE01模式转换器和一个连接到圆形波导圆周的矩形波导; 以及包括由同轴外部和内部导体形成的同轴波导的TM01模式转换器以及与同轴波导轴向连接和对准的圆形波导,其中在与圆形波导连接的矩形波导的端部处的开口的对称轴线 平行于圆形波导的轴线,从而避免干扰TM01模式的传播。 在一个应用中,隔离双模转换器在同一端口输出TE01模式和TM01模式,从而实现更均匀的微波加热。 在另一个应用中,两个隔离的双模转换器面对面对准,形成具有高通道隔离和低传输损耗的双通道接头,可用于雷达系统的旋转接头。
    • 5. 发明申请
    • Multi-gigabit/s transimpedance amplifier for optical networks
    • 用于光网络的多千兆位/秒跨阻放大器
    • US20050275466A1
    • 2005-12-15
    • US10864950
    • 2004-06-10
    • Uday DasguptaChun Tan
    • Uday DasguptaChun Tan
    • H03F3/08
    • H03F3/08
    • A Gigabit/s transimpedance amplifier system includes a forward-path amplifier section with a very large bandwidth and an overall frequency-selective feedback section which is active only from DC to low frequencies. The forward-path of the amplifier comprises a regulated cascode for receiving the input signal, a regulated cascode for receiving the feedback signal, a single-ended to differential converter and an output buffer. Stability and frequency selection is achieved by a bandwidth-limited operational amplifier in the feedback path. The Miller multiplication of a capacitive means in the operational amplifier creates a low-frequency pole and stabilizes the feedback loop and thereby limits the frequency range of the feedback.
    • 千兆/秒跨阻放大器系统包括具有非常大带宽的前向路径放大器部分和仅从DC到低频有效的总频率选择反馈部分。 放大器的前向路径包括用于接收输入信号的调节共源共栅,用于接收反馈信号的调节共源共栅,单端到差分转换器和输出缓冲器。 稳定性和频率选择由反馈路径中的带宽限制运算放大器实现。 运算放大器中的电容装置的米勒乘法器产生低频极点并稳定反馈回路,从而限制反馈的频率范围。
    • 7. 发明授权
    • Disk holder with replaceable inserts to retain springs
    • 带可更换插入物的磁盘支架,用于保持弹簧
    • US08517364B1
    • 2013-08-27
    • US12899737
    • 2010-10-07
    • Gary CrumleyHung Hee YeohYi Chun Tan
    • Gary CrumleyHung Hee YeohYi Chun Tan
    • B25B5/16
    • G11B5/00
    • Embodiments of the present invention include a substrate holder apparatus comprising a plate configured with an opening designed to receive a substrate; and a plurality of gripper assemblies disposed around the opening and configured to hold the substrate at a predetermined position within the opening such that the substrate is substantially coplanar with respect to a surface of the plate, at least one of the gripper assemblies comprising: a support element configured to grip an outside edge of the substrate, the support element mounted to a mount assembly configured to be attached to the substrate holder apparatus such that the support element holds the substrate at the predetermined position with respect to the plate.
    • 本发明的实施例包括:衬底保持器装置,其包括被设计成接收衬底的开口的板; 以及多个夹持器组件,其设置在所述开口周围并且被构造成将所述衬底保持在所述开口内的预定位置处,使得所述衬底相对于所述板的表面基本共面,所述夹持器组件中的至少一个包括: 所述支撑元件被配置为夹持所述基板的外边缘,所述支撑元件安装到安装组件,所述安装组件被构造成附接到所述基板保持器装置,使得所述支撑元件将所述基板保持在相对于所述板的预定位置。
    • 10. 发明申请
    • ISOLATED DUAL-MODE CONVERTER AND APPLICATIONS THEREOF
    • 隔离双模转换器及其应用
    • US20110221545A1
    • 2011-09-15
    • US12822446
    • 2010-06-24
    • Tsun-Hsu ChangNai-Ching ChenChun-Tan Wu
    • Tsun-Hsu ChangNai-Ching ChenChun-Tan Wu
    • H01P5/12
    • H01P1/161H01P1/066
    • An isolated dual-mode converter includes a TE01 mode converter including a circular waveguide, and a plurality of rectangular waveguides connected to the circumference of the circular waveguide; and a TM01 mode converter including a coaxial waveguide, formed by coaxial outer and inner conductors, and the circular waveguide connected and aligned axially with the coaxial waveguide, wherein a symmetrical axis of an opening at the end of the rectangular waveguides connected to the circular waveguide is parallel to the axis of the circular waveguide, thereby avoiding interfering with the propagation of TM01 mode. In an application, the isolated dual-mode converter outputs TE01 mode and TM01 mode at the same port, thereby achieving more uniform microwave heating. In another application, two isolated dual-mode converters are aligned face-to-face, forming a dual-channel joint with high channel isolation and low transmission loss, which may be used for a rotary joint of a radar system.
    • 一个隔离双模转换器包括一个包括一个圆形波导的TE01模式转换器和一个连接到圆形波导圆周的矩形波导; 以及包括由同轴外部和内部导体形成的同轴波导的TM01模式转换器以及与同轴波导轴向连接和对准的圆形波导,其中在与圆形波导连接的矩形波导的端部处的开口的对称轴线 平行于圆形波导的轴线,从而避免干扰TM01模式的传播。 在一个应用中,隔离双模转换器在同一端口输出TE01模式和TM01模式,从而实现更均匀的微波加热。 在另一个应用中,两个隔离的双模转换器面对面对准,形成具有高通道隔离和低传输损耗的双通道接头,可用于雷达系统的旋转接头。