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    • 4. 发明授权
    • Battery protection and zero-volt battery recovery system for an implantable medical device
    • 用于植入式医疗设备的电池保护和零伏电池恢复系统
    • US07962222B2
    • 2011-06-14
    • US11550872
    • 2006-10-19
    • Yuping HeDavid L. Peterson
    • Yuping HeDavid L. Peterson
    • A61N1/08
    • A61N1/378A61N1/08A61N1/37A61N1/3787H01M10/44H02J7/00H02J7/025H02J7/041H02J50/10H02J2007/105
    • Circuitry useable to protect and reliably charge a rechargeable battery, even from a zero-volt state, is disclosed, and is particularly useful when employed in an implantable medical device. The circuit includes two charging paths, a first path for trickle charging the battery at a relatively low current when the battery voltage is below a threshold, and a second path for charging the battery at relatively higher currents that the battery voltage is above a certain threshold. A passive diode is used in the first trickle-charging path which allows trickle charging even when the battery voltage is too low for reliable gating, while a gateable switch (preferably a PMOS transistor) is used in the second higher-current charging path when the voltage is higher and the switch can therefore be gated more reliably. A second diode between the two paths ensures no leakage to the substrate through the gateable switch during trickle charging. The load couples to the battery through the switch, and preferably through a second switch specifically used for decoupling the load.
    • 公开了用于保护和可靠地对可再充电电池进行充电的电路,即使是从零伏状态,并且当用于可植入医疗装置时特别有用。 该电路包括两个充电路径,当电池电压低于阈值时,第一路径用于以相对低的电流对电池进行涓流充电;以及第二路径,用于以相对较高的电流对电池充电以使得电池电压高于某一阈值 。 在第一涓流充电路径中使用无源二极管,即使当电池电压太低以至于可靠的选通时也允许涓流充电,而当第二高电流充电路径中使用可选择的开关(优选为PMOS晶体管)时 电压较高,因此开关更可靠地选通。 在两个路径之间的第二个二极管确保在滴流充电期间通过可切换开关不会泄漏到衬底。 负载通过开关耦合到电池,并且优选地通过专门用于去耦负载的第二开关。
    • 5. 发明授权
    • Reduction of tape velocity change backhitch time through use of an intermediate back velocity
    • 通过使用中间后退速度,减小带速度改变后退时间
    • US07023651B1
    • 2006-04-04
    • US10890961
    • 2004-07-14
    • David L. Peterson
    • David L. Peterson
    • G11B5/584
    • G11B5/584
    • Modern tape drives can adjust their tape drive velocity between two or more read/write data rates to better match the data rate demands of the host. This velocity changing may provide improvements in drive performance and total backhitch counts. The transition from one tape velocity to another may involve a rate change backhitch which itself could impact performance. It is desirable to optimize these transitions. In one approach, a backhitch involves a backvelocity having a magnitude that is intermediate between the initial tape velocity and the final tape velocity. In another approach, a backhitch involves an intermediate forward velocity to quicken the approach toward the start R/W reposition point.
    • 现代磁带机可以在两个或多个读/写数据速率之间调整其磁带机速度,以更好地匹配主机的数据速率要求。 这种速度变化可以提供驱动性能和总后跟计数的改进。 从一个磁带速度到另一个磁带速度的过渡可能涉及速率改变后退,其本身可能会影响性能。 期望优化这些转换。 在一种方法中,反向牵引涉及具有介于初始带速度和最终带速度之间的幅度的后掠。 在另一种方法中,后退涉及中间向前速度以加速朝着起始R / W重新定位点的方向。
    • 6. 发明授权
    • Multi-beam laser diode array
    • 多光束激光二极管阵列
    • US5060237A
    • 1991-10-22
    • US632826
    • 1990-12-24
    • David L. Peterson
    • David L. Peterson
    • H01S5/18H01S5/40H01S5/42
    • H01S5/42H01S5/18H01S5/4087
    • There is disclosed herein a laser diode array including a plurality of laser diode bodies on a surface of a substrate. Each of the bodies has therein a semiconductor junction which is capable of generating light in the body when a suitable voltage is placed thereacross which junction extends to an end surface of the body. An end surface of each body is angled back under the body at an angle of 45.degree. with respect to the substrate surface and is reflective so that the light generated in the body is reflected by the end surface out of the body away from and substantially perpendicularly to the substrate. The bodies are arranged on the substrate with the angled end surfaces being adjacent to and facing each other so that the array provides a plurality of closely spaced, substantially parallel light beams emitted therefrom.
    • 这里公开了一种在衬底的表面上包括多个激光二极管体的激光二极管阵列。 每个主体都具有半导体结,该半导体结能够在其上延伸到主体的端面的适当电压放置在体内时产生光。 每个主体的端面相对于基板表面以45°的角度在主体下方成角度,并且是反射性的,使得在主体中产生的光被端面反射离开身体并且基本垂直 到基底。 主体被布置在基板上,其中倾斜的端面相邻并面对彼此,使得阵列提供从其发射的多个紧密间隔的基本上平行的光束。
    • 8. 发明申请
    • Game Dice with Two Attribute Indicia
    • 游戏骰子与两个属性标记
    • US20110300921A1
    • 2011-12-08
    • US13155737
    • 2011-06-08
    • David L. Peterson
    • David L. Peterson
    • A63F9/24A63F9/04
    • A63F9/0468A63F9/0415A63F2009/0479A63F2009/0484
    • A set of N game dice, each of the N dice having at least N faces with each of N faces of each die bearing one of a group of N2 design markings. The group of N2 design markings is formed by the combination of each of N values of a first attribute series with each of N values of a second attribute series. The N2 design markings are divided into N subgroups such that each attribute value of each attribute series comprises only one design marking in each of the subgroups. The N design markings of each subgroup are borne by a multiple of N faces of a different die. Each design marking is borne by the same multiple of faces.
    • 一组N个游戏骰子,N个骰子中的每一个具有至少N个面,每个模具的N个面中的每一个具有一组N2设计标记之一。 N 2设计标记组由第一属性序列的N个值与第二属性序列的N个值中的每一个的组合构成。 N2设计标记被划分为N个子组,使得每个属性系列的每个属性值仅包括每个子组中的一个设计标记。 每个子组的N个设计标记由不同模具的N个面的倍数承担。 每个设计标记由相同的面数承担。
    • 10. 发明授权
    • Method and apparatus for reading down-level tapes having distorted media
    • 用于读取具有失真介质的下级磁带的方法和装置
    • US06687070B1
    • 2004-02-03
    • US09614192
    • 2000-07-11
    • David L. PetersonMatthew P. Wojciechowski
    • David L. PetersonMatthew P. Wojciechowski
    • G11B509
    • G11B5/00817G11B27/36G11B2220/90
    • A tape reader is designed to read down-level linear track tapes having a multiple number of new tacks in the positions of each older wider track and having tape subject to pack level tape distortions which may result from environmental stresses and inter-use delay time. If tracks are displaced with respect to ideal servo reference positions, then optimal down-level reading may require selecting segments from different new track choices along the length of the tape. Decision choices of tracks and longitudinal break points are based on a; combination of gathered metrics per tape and engineering knowledge of each product. These data are stored first in internal memory. Longer-term memory storage particular to each tape may include cartridge memory either in the form of possible cartridge chip memory or writing to a section of tape in each cartridge. Decisions may be optimized with increasing number of read cycles and supplemented by knowledge in longer-term cartridge memory. For strong tape distortion, an intermediate step requirement may be the separate reading of whole tracks into buffer memory per channel and then reading the alternate track choice separately while selecting the proper segment of each track on a per channel basis.
    • 磁带阅读器被设计用于读取在每个较旧的更宽的轨道的位置具有多个新的插孔的下级线性轨道磁带,并且具有可能由于环境应力和使用间延迟时间而导致的包装级磁带失真的磁带。 如果轨道相对于理想的伺服参考位置移位,则最佳下位读数可能需要沿着磁带长度从不同的新轨道选择中选择段。 轨道和纵向断点的决策选择基于a; 每个磁带收集的指标的组合以及每个产品的工程知识。 这些数据首先存储在内部存储器中。 每个磁带特别的长期存储器存储器可以包括以可能的盒芯片存储器的形式或者写入每个盒中的一段磁带的盒存储器。 可以通过读取周期数量的增加来优化决策,并通过长期的盒式存储器中的知识进行补充。 对于强磁带失真,中间步骤要求可以是每个通道将整个轨道单独读取到缓冲存储器中,然后在每个通道基础上选择每个轨道的适当段时分别读取备用轨道选择。