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    • 91. 发明专利
    • Method of supplying electrical power, and device
    • 供电方法及装置
    • JP2008124022A
    • 2008-05-29
    • JP2007290251
    • 2007-11-08
    • General Electric Co ゼネラル・エレクトリック・カンパニイGeneral Electric Company
    • KATCHA JASON SSCHMIDT JONATHAN RICHARD
    • H05G1/24A61B6/03
    • A61B6/56A61B6/032A61B6/508H02J7/345
    • PROBLEM TO BE SOLVED: To provide a CT (Computer Tomograph) system capable of transmitting high peak power while extracting reduced average power from an input line.
      SOLUTION: A device contains a CT (computer tomogram) method system including an energy storage device (28) which is structured to share the power transmission with an input power line for alleviating peak load requirements of the input power line. In another viewpoint, the energy storage device (28) contains a plurality of large-volume capacitors. Further, in another viewpoint, the system contains an X-ray source, an X-ray detector arranged to receive the X ray emitted from the ray source, and an energy storage device jointed and operated on the ray source and recovering energy when a gantry is slowed down and/or a tube rotor is slowed down.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够在从输入线提取降低的平均功率的同时发送高峰值功率的CT(计算机断层图)系统。 解决方案:一种装置包括CT(计算机断层图)方法系统,其包括能量存储装置(28),该能量存储装置构造成与用于减轻输入电力线的峰值负载要求的输入电力线共享电力传输。 另一方面,能量存储装置(28)包含多个大容量电容器。 此外,在另一观点中,该系统包含X射线源,设置成接收从射线源发射的X射线的X射线检测器,以及在射线源处接合并操作的能量存储装置,并且当台架 减速和/或管转子减速。 版权所有(C)2008,JPO&INPIT
    • 93. 发明专利
    • X-RAY GENERATING APPARATUS
    • JPH0536492A
    • 1993-02-12
    • JP18782791
    • 1991-07-26
    • SHIMADZU CORP
    • TSUJI HISAOSASAKI OSAMU
    • H05G1/24
    • PURPOSE:To prevent wasteful consumption of excess electric energy of a capacitor by making the electric charge accumulation in the capacitor be the minimum of the necessity regarding an X-ray apparatus using a capacitor and an inverter. CONSTITUTION:An operator determines the tube current At, the tube voltage Vt, and a photographing time (t) corresponding to the part to be taken an X-ray photograph and the determined values are put and saved in respective parameter setting apparatus 64, 66, 65. Based on these parameter values At, Vt, and (t), an aiming charging voltage Vs of a capacitor 18 is calculated by a computer 72. The voltage Vs is sent from the computer 72 to a comparator 71 and compared with the practically detected charge accumulation voltage Vc of a capacitor 18. The compared result and a photographing time pulse reversed by a reversing apparatus 6 are sent to an AND circuit 73 and the output is supplied to a driving circuit 60. Then, the inverter 15 is driven and a capacitor 18 is charged until the voltage Vc of the capacitor 18 becomes voltage Vs. As a result, the use time per one charging of the battery is extended greatly.
    • 94. 发明专利
    • CONTINUOUS PHOTOGRAPHING SYSTEM IN CAPACITOR TYPE X-RAY DEVICE
    • JPS6486498A
    • 1989-03-31
    • JP24567487
    • 1987-09-28
    • SHIMADZU CORP
    • SAITO AKIRA
    • H05G1/24H05G1/38
    • PURPOSE:To perform fine concentration adjustment of film with simple operation by setting the total exposure amount prior to photographing, and allowing a CPU to emit the set exposure amount divided into an integer number of X-ray exposures in which the ripple ratio of the output is taken into consideration from the set tube voltage value. CONSTITUTION:Prior to photographing, a calculator 24 calculates the X-ray exposure amount per occasion and the number of photographings from a preset ripple ratio, the total exposure amount of X-rays (mAs), and the set tube voltage (kV). The data of calculated X-ray exposure amount (mAs) per occasion is sent to an X-ray shutoff circuit 28, which makes time-counting upon receiving X-ray output (X-ray ON) signal from an X-ray exposure circuit 30, and when the time is up to the correspondence to the calculated mAs value, an X-ray shutoff (X-ray OFF) signal is sent to a charging control circuit 32, to start charging. The calculated number of photographings is preset on a counter 26, and an increment is made upon receiving the signal at every X-ray exposure, and when the number of photographings is attained, feed of X-ray output signal by the X-ray exposure circuit 30 is suppressed.