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    • 43. 发明授权
    • Computerized tomographic scanning apparatus driven by rechargeable
batteries
    • 由可充电电池驱动的电脑断层扫描仪
    • US5226064A
    • 1993-07-06
    • US908545
    • 1992-06-30
    • Mitsuru YahataShigeru Tanaka
    • Mitsuru YahataShigeru Tanaka
    • H05G1/10H05G1/20H05G1/26
    • H05G1/26H05G1/10H05G1/20
    • In a CT (computerized tomographic) scanning apparatus, a biological body under medical examination is scanned to acquire image data on the scanned body, whereby a computerized tomographic image of the scanned body is reconstructed by processing the acquired image data. The CT scanning apparatus comprises: an AC/DC converting unit for converting AC (alternating current) power supplied from a commercial power source into first DC (direct current) power; a peak power consumption unit for consuming peak power during a scanning operation; and a secondary battery unit rechargeable by the first DC power supplied from the AC/DC converting unit and capable of supplying second DC power to the peak power consumption unit during at least the scanning operation.
    • 在CT(计算机断层扫描)扫描装置中,扫描体检下的生物体以获取扫描体上的图像数据,由此通过处理所获取的图像数据来重建扫描体的计算机断层图像。 CT扫描装置包括:AC / DC转换单元,用于将从商用电源提供的AC(交流)电力转换为第一DC(直流)电力; 用于在扫描操作期间消耗峰值功率的峰值功率消耗单元; 以及二次电池单元,其通过从AC / DC转换单元提供的第一DC电力可充电,并且能够在至少扫描操作期间向峰值功率消耗单元提供第二DC电力。
    • 46. 发明授权
    • Phase stabilized high frequency link power converter apparatus having a
wide phase controllable range
    • 具有宽相位可控范围的相位稳定型高频链路功率转换装置
    • US4930064A
    • 1990-05-29
    • US256574
    • 1988-10-12
    • Shigeru TanakaKazutoshi Miura
    • Shigeru TanakaKazutoshi Miura
    • H02M5/27H02J3/34H02M5/45H02M7/527
    • H02J3/34H02M5/4505H02M7/527
    • A high frequency link power converter apparatus includes a power source, a circulating current type AC-AC converter having an output terminal connected to the power source, a high frequency phase-advancing capacitor connected to an input terminal of the AC-AC converter, a phase controller for controlling a firing phase of the AC-AC converter, an external oscillator for supplying phase reference signals to the phase controller, a first circuit for controlling a crest value of voltages applied to the phase-advancing capacitor, a second circuit for detecting a phase difference between the reference signals and the voltages applied to the phase-advancing capacitor, and a third circuit for controlling the phase difference, so that the magnitude of the phase difference becomes substantially zero.
    • 一种高频链路功率转换装置,包括电源,具有与电源连接的输出端的循环电流型AC-AC变换器,与AC-AC变换器的输入端连接的高频相位推进电容器 用于控制AC-AC转换器的点火相位的相位控制器,用于向相位控制器提供相位参考信号的外部振荡器,用于控制施加到相位推进电容器的电压的波峰值的第一电路,用于检测相位参考信号的第二电路 参考信号和施加到相推进电容器的电压之间的相位差,以及用于控制相位差的第三电路,使得相位差的幅度基本为零。
    • 48. 发明授权
    • AC motor drive apparatus
    • 交流电机驱动装置
    • US4843296A
    • 1989-06-27
    • US63230
    • 1987-06-17
    • Shigeru Tanaka
    • Shigeru Tanaka
    • H02M5/27
    • H02M5/271
    • An apparatus according to this invention includes a DC power source, a DC-AC power converter having an output terminal coupled to the DC power source via a DC reactor, a high-frequency, phase-advanced capacitor coupled to an input terminal of the DC-AC power converter, a circulating current type cycloconverter having an input terminal coupled to the phase-advanced capacitor, and an AC motor coupled to the output terminal of the cycloconverter. In this apparatus, a current supplied from the DC power source is controlled by the DC-AC power converter, so that a crest value of a voltage applied to the phase-advanced capacitor is substantially constant. The cycloconverter controls to supply a sine wave current of a variable frequency (0 to several hundred Hz) to the AC motor.
    • 根据本发明的装置包括DC电源,DC-AC功率转换器,其具有经由直流电抗器耦合到DC电源的输出端子,耦合到DC的输入端子的高频,相位超前电容器 -AC功率转换器,具有耦合到相位超前电容器的输入端的循环电流型循环换流器,以及耦合到循环换流器的输出端的AC电动机。 在该装置中,由直流电源提供的电流由直流 - 交流功率转换器控制,使得相位超前电容器施加的电压的波峰值基本上是恒定的。 循环变频器控制向交流电机提供可变频率(0到几百赫兹)的正弦波电流。
    • 49. 发明授权
    • Semiconductor frame buffer memory
    • 半导体帧缓冲存储器
    • US4833657A
    • 1989-05-23
    • US923044
    • 1986-10-24
    • Shigeru Tanaka
    • Shigeru Tanaka
    • G09G5/36G06F12/04G06F12/06G06T1/60G06T3/00G09G5/39G09G5/395
    • G09G5/39G06F12/04G06T1/60
    • A semiconductor memory for writing or reading data words in response to prescribed bank address data and bit address data, each word having a prescribed amount of bits, is described. The memory includes a memory array for storing the data words. The memory array includes at least two memory banks adjacent to one another, each bank having a bit area corresponding to the prescribed amount of bits, buffer memory for temporarily storing the data word for writing into the memory array or the data word read from the memory array, a first source for applying the bank address data to the memory array to access the memory banks, a second source for applying the bit address data to the memory banks to access prescribed bit locations of the memory banks, and logic circuitry responsive to the bit address data for cyclically shifting the data word stored in the buffer memory by an amount corresponding to the value of the received bit address data.
    • 一种半导体存储器,用于响应于规定的存储体地址数据和位地址数据写入或读取数据字,每个字都具有规定的位数。 存储器包括用于存储数据字的存储器阵列。 存储器阵列包括彼此相邻的至少两个存储器组,每个存储体具有对应于规定量的位的位区,用于临时存储用于写入存储器阵列的数据字的缓冲存储器或从存储器读取的数据字 阵列,用于将存储体地址数据施加到存储器阵列以访问存储体的第一源,用于将位地址数据施加到存储体以访问存储体的规定位位置的第二源和响应于存储体的逻辑电路 位地址数据,用于将存储在缓冲存储器中的数据字循环移位与接收到的位地址数据的值相对应的量。