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1. 发明授权

US08525600B1 Temperature-compensated crystal oscillator assembly 有权
标题翻译：温度补偿晶体振荡器组件
公开(公告)号：US08525600B1
公开(公告)日：2013-09-03
申请号：US13281369
申请日：2011-10-25
申请人： Robert S. Vendryes , Ericka Sleight , Donald L. Davis , Jerome Chang , Jack L. Mix , Ronald Dammann
发明人： Robert S. Vendryes , Ericka Sleight , Donald L. Davis , Jerome Chang , Jack L. Mix , Ronald Dammann
IPC分类号： H03B5/32 , H01L41/053
CPC分类号： H03H9/08 , H03H9/1007
摘要： A protective assembly that is adapted to provide temperature isolation for an electronic device is disclosed. The assembly includes a housing having a cavity with a top surface and at least one side surface. The housing is configured to accept an electronic device having a top and a bottom in the cavity with the top of the electronic device proximate to the top surface of the cavity. The housing is further configured to maintain a vacuum within the cavity. The assembly includes at least one support disposed within the cavity. The at least one support is configured to contact the housing only at a first point proximate to the top surface of the cavity and contact the electronic device only at a second point that is proximate to the bottom of the electronic device.
摘要翻译：公开了一种适用于为电子设备提供温度隔离的保护组件。组件包括具有顶部表面和至少一个侧表面的空腔的壳体。壳体被配置为接收具有顶部和底部的电子设备，电子设备的顶部靠近空腔的顶表面。壳体还被构造成在空腔内保持真空。所述组件包括设置在所述空腔内的至少一个支撑件。所述至少一个支撑件构造成仅在靠近腔的顶表面的第一点处接触壳体，并且仅在靠近电子设备底部的第二点接触电子设备。

2. 发明授权

US4066996A Breakaway protection for electrically controlled trailer brakes 失效
标题翻译：电控拖车制动器的分离保护
公开(公告)号：US4066996A
公开(公告)日：1978-01-03
申请号：US659600
申请日：1976-02-20
申请人： Donald L. Davis
发明人： Donald L. Davis
IPC分类号： B60T7/20 , B60T13/74 , B60Q1/44
CPC分类号： B60T13/74 , B60T7/20
摘要： A control system of the type which provides "breakaway" safety action to energize the electrically actuatable coils of brakes in a trailer pulled by a towing vehicle, the coils being energized under a breakaway condition from an auxiliary battery carried in the trailer. The system includes a voltage threshold indicator which is connected across the auxiliary battery and the coils and which enables the driver to test the auxiliary battery and clearly determine if the battery has sufficient storage capacity to keep the coils adequately energized while load current is being drawn from the battery and supplied to the actual coils themselves -- such system being characterized by the provision of a current threshold sensor which prevents the indicator from providing a "safe" signal if the excitation circuit to the coils has been interrupted or if one or more of the coils has become disconnected from the circuit.
摘要翻译：一种控制系统，其提供“分离”安全动作以对由牵引车辆牵引的拖车中的可电致动的制动线圈通电，线圈在分离状态下被从拖车中的辅助电池供电。该系统包括电压阈值指示器，其连接在辅助电池和线圈之间，并且使得驾驶员能够测试辅助电池并且清楚地确定电池是否具有足够的存储容量以便在从负载电流抽出时保持线圈充分通电电池并提供给实际的线圈本身 - 这样的系统的特征在于提供电流阈值传感器，其阻止指示器如果线圈的激励电路已被中断或如果线圈的一个或多个线圈已经与电路断开连接。

3. 发明授权

US5052395A Non-invasive ultrasonic pulse doppler cardiac output monitor 失效
标题翻译：非侵入性超声波脉冲多普勒心输出量监测仪
公开(公告)号：US5052395A
公开(公告)日：1991-10-01
申请号：US499292
申请日：1990-05-16
申请人： Thomas A. Burton , George F. Sedivy , John R. Klepper , Mark A. Moehring , Richard F. Ferraro , Donald L. Davis
发明人： Thomas A. Burton , George F. Sedivy , John R. Klepper , Mark A. Moehring , Richard F. Ferraro , Donald L. Davis
IPC分类号： A61B8/06
CPC分类号： A61B8/467 , A61B8/065 , A61B8/461
摘要： A cardiac output measurement device for the real-time, non-invasive measurement of cardiac output that can be effectively operated by relatively unskilled personnel on a routine monitoring basis in a wide variety of office and hospital conditions. To accomplish this task, the system utilizes a pulsed Doppler ultrasound transducer directed through the suprasternal notch of a patient axially towards the blood flow in the ascending aorta. The device automatically searches the ascending aorta at various predetermined depths to find the depth at which the greatest quality blood velocity reading is detected. An examination is performed at that chosen depth and the device automatically calculates a patient's cardiac output from the Doppler measured velocity combined with an aortic diameter estimation made from the patient's height, weight, and age. The device automatically calculates cardiac velocity, cardiac index, stroke distance, heart rate, and stroke volume.
摘要翻译： PCT No.PCT / US88 / 04084 Sec。 371日期：1990年5月16日 102（e）日期1990年5月16日PCT提交1988年11月16日PCT公布。出版物WO89 / 04634 日期1989年6月1日。用于实时，无创测量心输出量的心输出量测量装置，其可以在各种办公室和医院条件下在日常监测的基础上由相对不熟练的人员有效地操作。为了完成这个任务，该系统利用脉冲多普勒超声换能器，引导穿过患者的超中间切口轴向朝向升主动脉中的血流。该装置以各种预定深度自动搜索升主动脉，以找到检测最高质量血液速度读数的深度。在所选择的深度进行检查，并且装置根据患者的身高，体重和年龄结合主动脉直径估计自动计算多普勒测量速度的患者心输出量。该装置自动计算心脏速度，心脏指数，行程距离，心率和行程体积。

4. 发明授权

US4301626A Inflatable heat barrier 失效
标题翻译：充气热障
公开(公告)号：US4301626A
公开(公告)日：1981-11-24
申请号：US157580
申请日：1980-06-09
申请人： Donald L. Davis , Adolph J. Strohlein, Jr.
发明人： Donald L. Davis , Adolph J. Strohlein, Jr.
IPC分类号： A01G9/22 , E04B1/76 , E04H15/20 , E04B1/34
CPC分类号： E04H15/20 , A01G9/225 , E04B1/7612 , E04H2015/204
摘要： A heat convection barrier particularly adapted for use with greenhouses and warehouses consists of a series of inflatable tubes which are suspended beneath the roof of a structure and inflated into contact with each other to form a barrier against heat loss through the roof. Each of the tubes includes an integrally formed seam by which the tubes are suspended beneath the roof and an inflatable main body portion, and the tubes are spaced from each other a distance less than the inflated diameters of the main body portions so that when they are inflated they contact each other and form a continuous barrier. One end of each of the tubes is tied off and the opposite ends are split and wrapped about an apertured conduit and a low pressure fan or blower communicates with one end of the conduit to inflate the tubes. When it is desired to heat the roof of the structure to, for example, eliminate snow loads, the fan or blower may be turned off, allowing the tubes to deflate so that warm air may pass upwardly between the deflated tubes and contact the roof. Alternatively a conduit can be inserted between an adjacent pair of inflated tubes to permit warm air to be pumped into the space between the roof and the tubes.
摘要翻译：特别适用于温室和仓库的热对流屏障由一系列可膨胀的管道组成，这些管道悬挂在结构的屋顶下方并膨胀成相互接触，以形成防止屋顶热损失的屏障。每个管包括整体形成的接缝，通过该接缝，管悬挂在屋顶下方和可膨胀的主体部分，并且管彼此间隔开一小于主体部分的膨胀直径的距离，使得当它们是充气它们彼此接触并形成连续的屏障。每个管的一端被关闭，并且相对的端部被分开并围绕有孔导管缠绕，并且低压风扇或鼓风机与管道的一端连通以使管件膨胀。当希望将结构的屋顶加热到例如消除雪荷载时，可以关闭风扇或鼓风机，从而允许管放气，使得暖风可以在收缩的管之间向上通过并接触屋顶。或者，导管可以插入在相邻的一对充气管之间，以允许暖空气被泵送到屋顶和管之间的空间中。

5. 发明授权

US06868773B2 Fluidic actuator 有权
标题翻译：流体致动器
公开(公告)号：US06868773B2
公开(公告)日：2005-03-22
申请号：US10638109
申请日：2003-08-08
申请人： Donald L. Davis , Jeffrey A. Carlson
发明人： Donald L. Davis , Jeffrey A. Carlson
IPC分类号： F15B15/10 , F01B19/04
CPC分类号： F15B15/103
摘要： A fluidic actuator includes a central elastic tube with an interior bore and a surrounding sheath formed of braided fibers. End fittings are attached to the tube and sheath at first and second ends thereof and include a cap with a hollow cavity into which an end section of the tube and sheath are inserted and embedded in a hardened adhesive. The hardened adhesive seals off the ends of the tube and strongly bonds the fibers of the sheath to the end caps to provide strong mechanical connections. A fluid coupling may extend through one of the end caps to connection to an end of the tube, with an interior bore in the coupling in communication with the bore in the tube to allow fluid under pressure to be supplied to the interior of the tube. A liquid lubricant may be held in the fibers of the sheath to provide lubrication between the elastic tube and the fibers of the sheath to reduce wear and abrasion of the tube and extend the service life of the actuator.
摘要翻译：流体致动器包括具有内孔的中心弹性管和由编织纤维形成的周围护套。端部配件在其第一端和第二端附接到管和护套，并且包括具有中空腔的帽，管和护套的端部插入其中并嵌入硬化的粘合剂中。硬化的粘合剂密封管的端部并将护套的纤维牢固地结合到端盖上以提供强大的机械连接。流体联接器可以延伸通过其中一个端盖以连接到管的端部，其中联接器中的内孔与管中的孔连通，以允许在压力下的流体被供应到管的内部。液体润滑剂可以保持在护套的纤维中，以在弹性管和护套的纤维之间提供润滑，以减少管的磨损和磨损并延长致动器的使用寿命。

6. 发明授权

US06366257B1 Integrated dual beam reflector antenna 有权
标题翻译：集成双光束反射天线
公开(公告)号：US06366257B1
公开(公告)日：2002-04-02
申请号：US09713114
申请日：2000-11-15
申请人： Parthasarathy Ramanujam , Michael E. Pekar , David M. Kershner , Brian M. Park , Donald L. Davis
发明人： Parthasarathy Ramanujam , Michael E. Pekar , David M. Kershner , Brian M. Park , Donald L. Davis
IPC分类号： H01Q1300
CPC分类号： H01Q1/288 , H01Q25/007
摘要： The present invention discloses a method for generating multiple antenna beams and a system for generating multiple antenna beams. The system comprises a first reflector surface that has a primary and at least a first auxiliary surface, and a second reflector surface, and also comprises first, second, and third feed horns. The first feed horn illuminates the primary surface with radio frequency (RF) energy, the second feed horn illuminates the auxiliary surface with RF energy, and the third feed horn illuminates the second reflector surface with RF energy. The first feed horn and third feed horn are removed from an axis of symmetry of the first auxiliary surface. The method comprises illuminating a primary portion of a first reflector surface with radio frequency (RF) energy from a first feed horn, illuminating an auxiliary portion of the first reflector surface with RF energy from a second feed horn, illuminating a second reflector surface with RF energy from a third feed horn, wherein the first feed horn and third feed horn are removed from an axis of symmetry of the auxiliary portion of the first reflector surface.
摘要翻译：本发明公开了一种用于产生多个天线波束的方法和一种用于产生多个天线波束的系统。该系统包括具有初级和至少第一辅助表面的第一反射器表面和第二反射器表面，并且还包括第一，第二和第三馈电喇叭。第一馈电喇叭用射频（RF）能量照射主表面，第二馈电喇叭用RF能量照射辅助表面，第三馈电喇叭用RF能量照射第二反射器表面。从第一辅助表面的对称轴去除第一馈电喇叭和第三馈电喇叭。该方法包括用来自第一馈电喇叭的射频（RF）能量照射第一反射器表面的主要部分，用来自第二馈电喇叭的RF能量照射第一反射器表面的辅助部分，用RF照射第二反射器表面来自第三馈电喇叭的能量，其中第一馈电喇叭和第三馈电喇叭从第一反射器表面的辅助部分的对称轴线移除。

7. 发明授权

US06217398B1 Human-powered or human-assisted energy generation and transmission system with energy storage means and improved efficiency 有权
标题翻译：人力或人力辅助能量发电与传输系统具有储能手段，效率提高
公开(公告)号：US06217398B1
公开(公告)日：2001-04-17
申请号：US09293144
申请日：1999-04-16
申请人： Donald L. Davis
发明人： Donald L. Davis
IPC分类号： B63H1600
CPC分类号： B62M6/45 , B63H16/00 , B63H23/24
摘要： Efficient human-powered or human-power assisted energy generation and transmission system adapted for use with vehicles. The present invention can be utilized to achieve overall energy transmission efficiency superior to mechanical drives that utilize chains and sprockets or other mechanical drive mechanisms. The present invention can completely eliminate the need for multiple sprockets and the associated shifting mechanisms presently used in most bicycles. By utilizing high efficiency, light weight, direct-drive generators and motors, and an input controller, coupled with an efficient energy storage device, the present invention can reduce the overall weight and complexities of mechanical power transmissions, while, at the same time, offer higher overall efficiencies. In addition, the energy output to the output drive device can be controlled, through profiling and with an output controller, to maintain constant output, independent of instantaneous input. Thus, in a human-powered vehicle, constant thrust can be maintained significantly increasing the vehicle efficiency, compared to the cyclical thrust or torque generated using a mechanical system.
摘要翻译：适用于车辆的高效人力或人力辅助能量生成和传输系统。本发明可以用于实现优于利用链条和链轮或其它机械驱动机构的机械驱动器的整体能量传输效率。本发明可以完全消除对大多数自行车目前使用的多个链轮和相关的换档机构的需要。通过利用高效率，重量轻，直接驱动发电机和电动机以及输入控制器，结合有效的能量存储装置，本发明可以减少机械动力传动的整体重量和复杂性，同时，提供更高的整体效率。另外，输出驱动装置的能量输出可以通过轮廓和输出控制器来控制，以保持恒定的输出，而与瞬时输入无关。因此，与使用机械系统产生的循环推力或扭矩相比，在人力车辆中，可以保持显着提高车辆效率的恒定推力。

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