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    • 5. 发明申请
    • Apparatus and method for controlling supply voltage in multiple interface card
    • 用于控制多接口卡电源电压的装置和方法
    • US20060158809A1
    • 2006-07-20
    • US11315704
    • 2005-12-22
    • Jong-Hoon ShinKyoung-Hun KimSeong-Hyun KimYong-Joo ParkJong-Sang ChoiJeon-Taek ImZang-Hee Cho
    • Jong-Hoon ShinKyoung-Hun KimSeong-Hyun KimYong-Joo ParkJong-Sang ChoiJeon-Taek ImZang-Hee Cho
    • H02H3/24
    • H02J7/0034H02J1/10Y10T307/675Y10T307/696Y10T307/729
    • An apparatus and method for controlling a supply voltage of a multiple interface card includes a first voltage adjustment unit, a second voltage adjustment unit, an internal circuit, a first voltage controller, and a second voltage controller. The first voltage controller adjusts a first supply voltage to a first internal supply voltage used as an operating voltage of the internal circuit and supplies the first internal supply voltage to the internal circuit. The second voltage adjustment unit adjusts a second supply voltage to a second internal supply voltage used as an operating voltage of the internal circuit and supplies the second internal supply voltage to the internal circuit. The first voltage controller detects the first supply voltage and, according to the first supply voltage, either applies the first supply voltage to the first voltage adjustment unit or blocks the first supply voltage from the first voltage adjustment unit. The second voltage controller detects the second supply voltage and, according to the detected voltage, either applies the second supply voltage to the second voltage adjustment unit or blocks the second supply voltage from the second voltage adjustment unit.
    • 用于控制多接口卡的电源电压的装置和方法包括第一电压调节单元,第二电压调节单元,内部电路,第一电压控制器和第二电压控制器。 第一电压控制器将第一电源电压调整到用作内部电路的工作电压的第一内部电源电压,并将第一内部电源电压提供给内部电路。 第二电压调整单元将第二电源电压调整为用作内部电路的工作电压的第二内部电源电压,并将第二内部电源电压提供给内部电路。 第一电压控制器检测第一电源电压,并且根据第一电源电压将第一电源电压施加到第一电压调节单元,或者阻止来自第一电压调节单元的第一电源电压。 第二电压控制器检测第二电源电压,并且根据检测到的电压,将第二电源电压施加到第二电压调节单元,或者阻止来自第二电压调节单元的第二电源电压。
    • 6. 发明授权
    • Apparatus and method for controlling supply voltage in multiple interface card
    • 用于控制多接口卡电源电压的装置和方法
    • US07332896B2
    • 2008-02-19
    • US11315704
    • 2005-12-22
    • Jong-Hoon ShinKyoung-Hun KimSeong-Hyun KimYong-Joo ParkJong-Sang ChoiJeon-Taek ImZang-Hee Cho
    • Jong-Hoon ShinKyoung-Hun KimSeong-Hyun KimYong-Joo ParkJong-Sang ChoiJeon-Taek ImZang-Hee Cho
    • H02J1/00G05F5/00
    • H02J7/0034H02J1/10Y10T307/675Y10T307/696Y10T307/729
    • An apparatus and method for controlling a supply voltage of a multiple interface card includes a first voltage adjustment unit, a second voltage adjustment unit, an internal circuit, a first voltage controller, and a second voltage controller. The first voltage controller adjusts a first supply voltage to a first internal supply voltage used as an operating voltage of the internal circuit and supplies the first internal supply voltage to the internal circuit. The second voltage adjustment unit adjusts a second supply voltage to a second internal supply voltage used as an operating voltage of the internal circuit and supplies the second internal supply voltage to the internal circuit. The first voltage controller detects the first supply voltage and, according to the first supply voltage, either applies the first supply voltage to the first voltage adjustment unit or blocks the first supply voltage from the first voltage adjustment unit. The second voltage controller detects the second supply voltage and, according to the detected voltage, either applies the second supply voltage to the second voltage adjustment unit or blocks the second supply voltage from the second voltage adjustment unit.
    • 用于控制多接口卡的电源电压的装置和方法包括第一电压调节单元,第二电压调节单元,内部电路,第一电压控制器和第二电压控制器。 第一电压控制器将第一电源电压调整到用作内部电路的工作电压的第一内部电源电压,并将第一内部电源电压提供给内部电路。 第二电压调整单元将第二电源电压调整为用作内部电路的工作电压的第二内部电源电压,并将第二内部电源电压提供给内部电路。 第一电压控制器检测第一电源电压,并且根据第一电源电压将第一电源电压施加到第一电压调节单元,或者阻止来自第一电压调节单元的第一电源电压。 第二电压控制器检测第二电源电压,并且根据检测到的电压,将第二电源电压施加到第二电压调节单元,或者阻止来自第二电压调节单元的第二电源电压。
    • 8. 发明授权
    • High resolution PET scanner using rotating ring array of enlarged
detectors having successively offset collimation apertures
    • 高分辨率PET扫描仪,使用具有连续偏移准直孔的放大检测器的旋转环阵列
    • US4980552A
    • 1990-12-25
    • US368707
    • 1989-06-20
    • Zang-Hee ChoMonte S. BuchsbaumWilliam E. BunnyRichard M. FriedenbergEdward K. Wong, Jr.
    • Zang-Hee ChoMonte S. BuchsbaumWilliam E. BunnyRichard M. FriedenbergEdward K. Wong, Jr.
    • A61B6/03G01T1/161G01T1/164G01T1/29
    • G01T1/2985A61B6/037G01T1/1644
    • A greatly reduced number of scintillation cyrstal/PMT gamma ray detectors are employed in a ring array about a PET image volume. Because of the relatively small number of such detectors, the complexity and expense of associated electronic signal processing channels is greatly reduced (even if each such channel is provided with sophisticated time of flight capabilities). Similarly, because relatively fewer crystals are employed, it becomes possible to use much larger and faster response time scintillation crystals so as to greatly increase gamma ray detection efficiency and scatter rejection while also permitting the electronic circuits to better reject random events and to provide effective time of flight image data filtering. By providing successively offset collimation apertures for each successive detector of the ring array and by rotating the array 360 degrees through a large number of successive view angle positions, it is nevertheless possible to acquire extremely high resolution image data with a greatly reduced system cost. A multiple aperture embodiment provides improved sensitivity by using associated light collimators and photodiodes in conjunction with slow coincidence steering circuits.
    • 在围绕PET图像体积的环阵列中使用大量减少数量的闪烁晶体/ PMTγ射线检测器。 由于这种检测器数量相对较少,相关电子信号处理通道的复杂性和费用大大降低(即使每个这样的信道都具有复杂的飞行时间)。 类似地,由于使用相对较少的晶体,所以可以使用更大更快的响应时间闪烁晶体,从而大大增加伽马射线检测效率和散射抑制,同时还允许电子电路更好地拒绝随机事件并提供有效时间 的飞行图像数据过滤。 通过为环阵列的每个连续检测器提供连续的偏移准直孔,并且通过大量连续的视角位置使阵列360度旋转,仍然可以以大大降低的系统成本获得极高分辨率的图像数据。 多孔实施例通过使用相关的光准直仪和光电二极管结合缓慢的重合转向电路来提供改进的灵敏度。