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    • 2. 发明授权
    • Substance vaporizing apparatus
    • 物质蒸气装置
    • US5150375A
    • 1992-09-22
    • US535615
    • 1990-06-11
    • Yoichiro TabataYoshihiro UedaShigeo UeguriKazuhiko Hara
    • Yoichiro TabataYoshihiro UedaShigeo UeguriKazuhiko Hara
    • H01S3/03
    • H01S3/031
    • A substance vaporizing apparatus which uses a vapor of a substance generated by heating the substance in a gas-filled tube as an exciting medium or an ionizing medium. The apparatus employs an improved container for containing the substance within the gas-filled tube. The improved container suppresses the rate of emission of the vapor of the substance into a discharge space defined by the gas-filled tube to hold the vapor density of the substance at an optimum low value for laser oscillation relative to the buffer gas density in the discharge space. Thus, the mean free path of the atoms of the substance, namely the average distance traveled by the atoms between elastic collisions with the electrons, ions and neutral atoms of the buffer gas, is increased to increase the number of atoms of the subtance excited to a higher energy level, which, consequently, increases laser power and enhances laser beam or ion beam accelerating energy. The employment of segmental discharge electrodes each consisting of a plurality of partial electrodes diametrically distributed in the discharge space of the gas-filled tube enables heating the buffer gas in a substantially uniform diametrical temperature distribution, which enables to increase the length and diameter of the laser medium. The employment of two pulse generating circuits promotes the relaxation of the atoms of the substance from a lower energy level to the ground energy level to enable the next application of a pulse voltage to establish a complete population inversion, which enables the substance vaporizing apparatus to operate at a high efficiency at a high discharge frequency.
    • 9. 发明授权
    • System and method for serial data communications between host and communications devices, and communications device employed in the system and method
    • 用于主机和通信设备之间串行数据通信的系统和方法,以及系统和方法中使用的通信设备
    • US08069274B2
    • 2011-11-29
    • US12510390
    • 2009-07-28
    • Yohsuke FukudaKazuhiko Hara
    • Yohsuke FukudaKazuhiko Hara
    • G06F3/00G06F13/00
    • G06F13/161
    • A communications device includes a communications circuit, a memory, an identifier generator, and a latency controller. The communications circuit exchanges serial data with a host computer and a downstream device, and includes a first input, a first output, a second input, and a second output. The first input receives data from the host computer. The first output transmits data to the host computer. The second input receives data from the downstream device. The second output transmits data to the downstream device. The memory is accessible through the communications circuit. The identifier generator generates an identifier number unique to the communications device in response to an identifier setup request received at the first input. The latency controller determines, based on the generated identifier number, a period of latency required to access the memory through the communications circuit.
    • 通信设备包括通信电路,存储器,标识符发生器和等待时间控制器。 通信电路与主机和下游设备交换串行数据,并且包括第一输入,第一输出,第二输入和第二输出。 第一个输入从主机接收数据。 第一个输出将数据传输到主机。 第二个输入从下游设备接收数据。 第二个输出将数据发送到下游设备。 存储器可通过通信电路访问。 响应于在第一输入处接收到的标识符建立请求,标识符生成器生成通信设备唯一的标识符号。 等待时间控制器基于生成的标识符号确定通过通信电路访问存储器所需的等待时间。