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    • 2. 发明申请
    • NUCLEAR RADIATION PARTICLE POWER CONVERTER
    • 核辐射粒子功率转换器
    • US20150279491A1
    • 2015-10-01
    • US14666890
    • 2015-03-24
    • Medtronic, Inc.
    • Andreas FennerDavid A. RubenAnna J. MalinPaul F. GerrishBruce C. FleischhauerLarry E. Tyler
    • G21H1/02
    • G21H1/02G21C19/07G21H1/04G21H1/06Y10T29/49117
    • Various embodiments of a nuclear radiation particle power converter and method of forming such power converter are disclosed. In one or more embodiments, the power converter can include first and second electrodes, a three-dimensional current collector disposed between the first and second electrodes and electrically coupled to the first electrode, and a charge carrier separator disposed on at least a portion of a surface of the three-dimensional current collector. The power converter can also include a hole conductor layer disposed on at least a portion of the charge carrier separator and electrically coupled to the second electrode, and nuclear radiation-emitting material disposed such that at least one nuclear radiation particle emitted by the nuclear radiation-emitting material is incident upon the charge carrier separator.
    • 公开了核辐射粒子功率转换器的各种实施例和形成这种功率转换器的方法。 在一个或多个实施例中,功率转换器可以包括第一和第二电极,设置在第一和第二电极之间并且电耦合到第一电极的三维集电器,以及设置在第一和第二电极的至少一部分上的电荷载体分离器 表面的三维集电器。 功率转换器还可以包括设置在电荷载体分离器的至少一部分上并电耦合到第二电极的空穴导体层,以及核辐射发射材料,其被设置为使得由核辐射源发射的至少一个核辐射颗粒, 发射材料入射到电荷载体分离器上。
    • 4. 发明授权
    • Devices and methods to provide stimulation therapy in the presence of external conditions that induce undesirable perturbations
    • 在存在引起不期望的扰动的外部条件的情况下提供刺激治疗的装置和方法
    • US09238141B2
    • 2016-01-19
    • US13967638
    • 2013-08-15
    • Medtronic, Inc.
    • Robert HockenHeather OrserWesley SantaLarry E. Tyler
    • A61N1/08A61N1/37A61N1/36
    • A61N1/3718A61N1/36125
    • Devices and methods compensate for perturbations in a stimulation signal caused by external conditions such as a magnetic field of an MRI machine so that stimulation therapy may continue in the presence of the external condition. Compensation for the perturbations during a stimulation pulse of a stimulation phase may be provided by using feedback within a stimulation current source. Perturbations during a recharge phase may be addressed by utilizing an active recharge at least when the external condition is present. Furthermore, compensation for perturbations during a recharge pulse of the active recharge phase may be provided by using feedback within a recharge current source. Passive recharge may be used instead of active recharge when the external condition is not present to preserve battery life of the stimulation device. The stimulation device may include a sensor to detect the external condition so that an appropriate mode of recharge may be chosen.
    • 装置和方法补偿由诸如MRI机器的磁场的外部条件引起的刺激信号中的扰动,使得刺激治疗可以在存在外部条件的情况下继续。 在刺激阶段的刺激脉冲期间的扰动的补偿可以通过使用刺激电流源内的反馈来提供。 至少在外部条件存在时,可以通过利用主动充电来解决充电阶段期间的干扰。 此外,可以通过使用充电电流源内的反馈来提供在有效充电阶段的充电脉冲期间的扰动补偿。 当外部条件不存在以保持刺激装置的电池寿命时,可以使用被动充电而不是有效充电。 刺激装置可以包括用于检测外部条件的传感器,使得可以选择适当的再充电模式。
    • 5. 发明申请
    • Devices and Methods to Provide Stimulation Therapy in the Presence of External Conditions that Induce Undesirable Perturbations
    • 在引起不良扰动的外界条件下提供刺激治疗的装置和方法
    • US20150051670A1
    • 2015-02-19
    • US13967638
    • 2013-08-15
    • Medtronic, Inc.
    • Robert HockenHeather OrserWesley SantaLarry E. Tyler
    • A61N1/372
    • A61N1/3718A61N1/36125
    • Devices and methods compensate for perturbations in a stimulation signal caused by external conditions such as a magnetic field of an MRI machine so that stimulation therapy may continue in the presence of the external condition. Compensation for the perturbations during a stimulation pulse of a stimulation phase may be provided by using feedback within a stimulation current source. Perturbations during a recharge phase may be addressed by utilizing an active recharge at least when the external condition is present. Furthermore, compensation for perturbations during a recharge pulse of the active recharge phase may be provided by using feedback within a recharge current source. Passive recharge may be used instead of active recharge when the external condition is not present to preserve battery life of the stimulation device. The stimulation device may include a sensor to detect the external condition so that an appropriate mode of recharge may be chosen.
    • 装置和方法补偿由诸如MRI机器的磁场的外部条件引起的刺激信号中的扰动,使得刺激治疗可以在存在外部条件的情况下继续。 在刺激阶段的刺激脉冲期间的扰动的补偿可以通过使用刺激电流源内的反馈来提供。 至少在外部条件存在时,可以通过利用主动充电来解决充电阶段期间的干扰。 此外,可以通过使用充电电流源内的反馈来提供在有效充电阶段的充电脉冲期间的扰动补偿。 当外部条件不存在以保持刺激装置的电池寿命时,可以使用被动充电而不是有效充电。 刺激装置可以包括用于检测外部条件的传感器,使得可以选择适当的再充电模式。
    • 10. 发明授权
    • Stable memory source bias over temperature and method
    • 稳定的存储源偏置温度和方法
    • US09378805B2
    • 2016-06-28
    • US13663939
    • 2012-10-30
    • Medtronic, Inc.
    • Kevin K. WalshBrandon P. ScottLarry E. Tyler
    • G11C11/417
    • G11C11/417
    • Random access memory having a plurality of memory cells, each of the plurality of memory cells having a memory element and a first electrical characteristic being variable based, at least in part, on temperature and a bias circuit operatively coupled to at least one of the plurality of memory cells, the bias circuit being configured to generate a bias voltage for the at least one of the plurality of memory cells. The bias circuit has a second electrical characteristic being variable based, at least in part, on temperature. The first electrical characteristic is approximately proportional to the second electrical characteristic over a predetermined range of temperatures, the predetermined range of temperatures being greater than zero. The bias voltage on each of the plurality of memory cells is approximately proportional with variations in the first electrical characteristic over the predetermined range of temperatures.
    • 具有多个存储器单元的随机存取存储器,所述多个存储器单元中的每一个具有存储元件和第一电特性,所述第一电特性至少部分地基于温度和偏置电路而变化,所述偏置电路可操作地耦合到所述多个存储器单元中的至少一个 所述偏置电路被配置为产生所述多个存储器单元中的所述至少一个存储器单元的偏置电压。 偏置电路具有至少部分地基于温度变化的第二电特性。 在预定温度范围内,第一电特性与第二电特性近似成比例,预定温度范围大于零。 多个存储单元中的每一个上的偏置电压几乎与预定温度范围内的第一电特性的变化成比例。