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    • 3. 发明授权
    • Electrical connector mounting apparatus with EMI shielding
    • 带EMI屏蔽的电气连接器安装设备
    • US4906201A
    • 1990-03-06
    • US356906
    • 1989-05-25
    • John W. YoungBrian G. Heintz
    • John W. YoungBrian G. Heintz
    • H01R12/50
    • H01R23/6873Y10S439/939Y10T29/4913
    • An electrical connector mounting apparatus has an electrically conductive member formed with spring biased fingers, a base portion and a fastening member. The spring biased fingers in conjunction with the base portion provide electrical continuity between the base of the electrical connector and a chassis frame when the connector is inserted into a frame opening. The base portion of the electrically conductive member is captured between the base of the electrical connector and a support member, which prevent excessive connector rotation and provides strain relief between the base portion and the fastening member. The fastening member is spring biased and engages the frame opening during the insertion of the electrical connector into the frame.
    • 电连接器安装装置具有由弹簧偏置的指状物,基部和紧固构件形成的导电构件。 当连接器插入框架开口时,与基座部分结合的弹簧偏置的手指在电连接器的基座和底盘框架之间提供电连续性。 导电构件的基部被捕获在电连接器的基部和支撑构件之间,其防止过度的连接器旋转并且在基部和紧固构件之间提供应变消除。 在将电连接器插入框架期间,紧固构件被弹簧偏置并接合框架开口。
    • 4. 发明申请
    • Positron Emission Tomography Block Detector Interconnect
    • 正电子发射断层扫描检测器互连
    • US20130062525A1
    • 2013-03-14
    • US13229797
    • 2011-09-12
    • James Frank CarubaNiraj K. DoshiJohn W. YoungNan Zhang
    • James Frank CarubaNiraj K. DoshiJohn W. YoungNan Zhang
    • G01T1/20G01T1/164
    • G01T1/1648
    • Using standard or “off the shelf” cable to interconnect between the PET block detector and the detector circuit may save substantial costs given the number of PMTs in a PET system. Given space constraints, simple maintenance with reduced risk of disturbing cabling is desired, making ongoing use of standard cabling without adding further cabling desired. To implement digital gain control, a further communication is provided between the PET detector block and the detector circuit. Since the standard cable may not have additional wires for such communications and to reduce timing degradation, the PMT signals are combined, such as generating position and energy signals at the PET detector block. The four PMT signals are reduced to three signals without reduction in function, allowing a fourth twisted pair of wires in a CAT5 cable to be used for digital gain control.
    • 使用标准或现货电缆在PET块检测器和检测器电路之间进行互连可以节省大量成本,因为PET系统中PMT的数量。 鉴于空间限制,需要简单的维护,减少干扰布线的风险,不断增加布线需求,不断使用标准布线。 为了实现数字增益控制,在PET检测器块和检测器电路之间提供进一步的通信。 由于标准电缆可能没有用于这种通信的附加电线并且减少定时劣化,所以组合PMT信号,例如在PET检测器块处产生位置和能量信号。 四个PMT信号减少到三个信号,而不会降低功能,允许CAT5电缆中的第四根双绞线用于数字增益控制。
    • 5. 发明授权
    • Baseline correction in PET utilizing continuous sampling ADCs to compensate for DC and count rate errors
    • PET中的基线校正利用连续采样ADC来补偿直流和计数率误差
    • US06903344B2
    • 2005-06-07
    • US10396543
    • 2003-03-25
    • John E. BreedingJohn W. YoungMark Musrock
    • John E. BreedingJohn W. YoungMark Musrock
    • G01T1/164G01T1/29
    • G01T1/2985A61B6/037
    • A method and apparatus for determining and correcting the baseline of a continuously sampled signal for use in positron emission tomography. The method employs continuous signal sampling to determine the signal level at time t(0) so that an accurate determination of an integrated signal may be calculated, resulting in an accurate energy estimate for an ac-coupled, continuously-sampled signal at various count rates. The device includes a front-end electronics processing channel including primarily an analog CMOS ASIC, a bank of ADCs, an FPGA-based digital sequencer, and two RAMs. The processing electronics perform continuous digital integration of PMT signals to obtain normalized position and energy. Continuous baseline restoration (BLR) is used, wherein the baseline of the signal pulses are placed at mid-scale by continuously sampling the ADC, thus always making available the past history. A correction signal is generated for use in negative feedback control of the baseline.
    • 一种用于确定和校正用于正电子发射断层摄影的连续采样信号的基线的方法和装置。 该方法采用连续信号采样来确定时间t(0)处的信号电平,从而可以计算积分信号的精确确定,从而得到以不同计数速率的交流耦合连续采样信号的精确能量估计 。 该器件包括一个前端电子处理通道,主要包括模拟CMOS ASIC,一组ADC,基于FPGA的数字定序器和两个RAM。 处理电子执行PMT信号的连续数字集成以获得归一化的位置和能量。 使用连续基线恢复(BLR),其中通过连续采样ADC将信号脉冲的基线置于中等尺度,从而始终提供过去的历史。 生成用于基线负反馈控制的校正信号。
    • 9. 发明授权
    • Meter retainer
    • 仪表保持架
    • US4129896A
    • 1978-12-12
    • US847554
    • 1977-11-01
    • John W. Young
    • John W. Young
    • H02B1/03H02B1/40H02B9/00
    • H02B1/40H02B1/03
    • A ringless-type socket for a watt hour meter is provided with support means to which an insulating carrier for plug-in contacts is mounted. The support means at its forward end is provided with seat means which limits rearward movement of a meter mounted to the socket. Also mounted on this support means are spring retainers for holding the meter in operative position on the seat means. The retainer means is deflectable so that holding means thereof is selectively releasable from holding engagement with the meter to permit removal of the latter.
    • 用于瓦特计的无环型插座设置有支撑装置,安装有用于插入式触点的绝缘载体。 在其前端的支撑装置设置有座位装置,其限制安装到插座的仪表的向后运动。 还安装在该支撑装置上的是用于将仪表保持在座椅装置上的操作位置的弹簧保持器。 保持器装置是可偏转的,使得其保持装置可选择性地不会与仪表保持接合以允许其移除。