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公开(公告)号:US20180120445A1
公开(公告)日:2018-05-03
申请号:US15665716
申请日:2017-08-01
Inventor: Evan T. Dill
Abstract: A method may be executed by a base station or mobile device to improve accuracy of a global positioning system (GPS)-based position or “geoposition” of the mobile device. A time-stamped first set of GPS data may be received via a GPS receiver, e.g., of the base station. A second set of GPS data describing a geoposition of the mobile device is received from the mobile device by the base station. A time of collection of the base station and mobile device GPS data coincides. The GPS data includes code phase and pseudo-range data from each of the GPS satellites, and may include carrier phase data. A predetermined GPS position correction technique is used to generate a corrected geoposition of the mobile device using the GPS data. The corrected geoposition is then transmitted to the mobile device and/or an external response system such as a drone or first responder.
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公开(公告)号:US20180118702A1
公开(公告)日:2018-05-03
申请号:US15819916
申请日:2017-11-21
Inventor: Christopher J. Wohl, JR. , John W. Connell , Emilie J. Siochi , Joseph G. Smith, JR.
IPC: C07D305/08 , C08G65/333 , C08G65/322 , C08G65/18 , C08G73/10 , C09D179/08
CPC classification number: C07D305/08 , C08G65/18 , C08G65/322 , C08G65/33389 , C08G73/1042 , C08G73/105 , C09D179/08
Abstract: Copoly(imide oxetane) materials are disclosed that can exhibit a low surface energy while possessing the mechanical, thermal, chemical and optical properties associated with polyimides. The copoly(imide oxetane)s are prepared using a minor amount of fluorinated oxetane-derived oligomer with sufficient fluorine-containing segments of the copoly(imide oxetane)s migrate to the exterior surface of the polymeric material to yield low surface energies. Thus the coatings and articles of manufacture made with the copoly(imide oxetane)s of this invention are characterized as having an anisotropic fluorine composition. The low surface energies can be achieved with very low content of fluorinated oxetane-derived oligomer. The copolymers of this invention can enhance the viability of polyimides for many applications and may be acceptable where homopolyimide materials have been unacceptable.
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公开(公告)号:US20180030616A1
公开(公告)日:2018-02-01
申请号:US15661903
申请日:2017-07-27
Inventor: Sang H. Choi , Adam J. Duzik
CPC classification number: C30B23/063 , C30B23/025 , C30B25/06 , C30B25/186 , C30B29/20 , C30B29/406 , C30B29/48 , C30B29/52 , H01L21/02381 , H01L21/0242 , H01L21/02433 , H01L21/02532 , H01L21/0254 , H01L21/02546 , H01L21/02562 , H01L21/02609 , H01L21/02658
Abstract: Systems, methods, and devices of the various embodiments may provide a mechanism to enable the growth of a rhombohedral epitaxy at a lower substrate temperature by energizing the atoms in flux, thereby reducing the substrate temperature to a moderate level. In various embodiments, sufficiently energized atoms provide the essential energy needed for the rhombohedral epitaxy process which deforms the original cubic crystalline structure approximately into a rhombohedron by physically aligning the crystal structure of both materials at a lower substrate temperature.
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公开(公告)号:US09755645B1
公开(公告)日:2017-09-05
申请号:US15373689
申请日:2016-12-09
Inventor: Michael J. Krasowski , Norman F. Prokop
IPC: H03K19/20 , H03K19/0952 , H03K19/094
CPC classification number: H03K19/0952 , H03K19/09403 , H03K19/09407 , H03K19/20
Abstract: A current source logic gate with depletion mode field effect transistor (“FET”) transistors and resistors may include a current source, a current steering switch input stage, and a resistor divider level shifting output stage. The current source may include a transistor and a current source resistor. The current steering switch input stage may include a transistor to steer current to set an output stage bias point depending on an input logic signal state. The resistor divider level shifting output stage may include a first resistor and a second resistor to set the output stage point and produce valid output logic signal states. The transistor of the current steering switch input stage may function as a switch to provide at least two operating points.
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公开(公告)号:US09372299B1
公开(公告)日:2016-06-21
申请号:US14624682
申请日:2015-02-18
Inventor: Lin Yi , Robert L. Tjoelker , Eric A. Burt , Shouhua Huang
CPC classification number: H05H1/46 , G02B3/0087 , G02B6/0006 , G02B6/02328 , G02B6/02347 , G02B6/4298 , H01J61/025 , H01J61/16 , H01J61/18 , H01J61/20 , H01J61/22 , H01J61/302 , H01J61/32 , H01J61/33 , H01J65/042 , H01J65/046 , H01J65/048 , H05H2001/4652
Abstract: Hollow-core capillary discharge lamps on the mm or sub-mm scale are provided. The hollow-core capillary discharge lamps achieve an increased light intensity ratio between 194 mm (useful) and 254 mm (useless) light than conventional lamps. The capillary discharge lamps may include a cone to increase light output. Hollow-core photonic crystal fiber (HCPCF) may also be used.
Abstract translation: 提供mm或sub-mm刻度的空心毛细管放电灯。 中空毛细管放电灯实现了比常规灯更高的194mm(有用)和254mm(无用)光之间增加的光强比。 毛细管放电灯可以包括锥体以增加光输出。 也可以使用空心光子晶体光纤(HCPCF)。
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公开(公告)号:US09297907B1
公开(公告)日:2016-03-29
申请号:US14205003
申请日:2014-03-11
Inventor: Jing Li , Richard T. Wilkins , James J. Hanratty , Yijiang Lu
Abstract: System and method for monitoring receipt and estimating flux value, in real time, of incident radiation, using two or more nanostructures (NSs) and associated terminals to provide closed electrical paths and to measure one or more electrical property change values ΔEPV, associated with irradiated NSs, during a sequence of irradiation time intervals. Effects of irradiation, without healing and with healing, of the NSs, are separately modeled for first order and second order healing. Change values ΔEPV are related to flux, to cumulative dose received by NSs, and to radiation and healing effectivity parameters and/or μ, associated with the NS material and to the flux. Flux and/or dose are estimated in real time, based on EPV change values, using measured ΔEPV values. Threshold dose for specified changes of biological origin (usually undesired) can be estimated. Effects of time-dependent radiation flux are analyzed in pre-healing and healing regimes.
Abstract translation: 用于监测接收和实时估计入射辐射的通量值的系统和方法,使用两个或多个纳米结构(NS)和相关联的端子来提供闭合的电气路径并测量一个或多个电气特性变化值和与之相关的电气特性变化值 在照射时间间隔的序列期间照射的NS。 NSs的照射,无愈合和愈合的效果分别建模为一级和二级愈合。 变化值&Dgr; EPV与通量,NSs接收的累积剂量以及与NS材料和通量相关的辐射和愈合有效性参数和/或μ有关。 使用测量的&Dgr; EPV值,基于EPV变化值实时估计通量和/或剂量。 可以估计生物来源的特定变化(通常是不期望的)的阈值剂量。 在预愈合和愈合过程中分析了时间依赖性辐射通量的影响。
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公开(公告)号:US20140190771A1
公开(公告)日:2014-07-10
申请号:US14151684
申请日:2014-01-09
Inventor: Richard R. Hofer , Donald B. Bickler , Saverio A. D'Agostino
IPC: F16N39/00
CPC classification number: F16N39/005 , C10M103/02 , C10M103/04 , C10M103/06 , C10M107/10 , C10M107/32 , C10M107/38 , C10M107/44 , C10M171/00 , C10M2201/0413 , C10M2201/053 , C10M2201/0613 , C10M2201/0653 , C10M2201/0663 , C10M2201/0803 , C10M2201/081 , C10M2201/082 , C10M2201/1023 , C10M2201/1033 , C10M2205/0285 , C10M2209/1023 , C10M2209/1033 , C10M2213/003 , C10M2213/043 , C10M2217/0443 , C10N2210/01 , C10N2210/02 , C10N2210/04 , C10N2210/06 , C10N2210/07 , C10N2210/08 , C10N2250/08 , F16N15/00 , H05H1/48 , H05H2240/10
Abstract: Disclosed herein is a lubrication device comprising a solid lubricant disposed between and in contact with a first electrode and a second electrode dimensioned and arranged such that application of an electric potential between the first electrode and the second electrode sufficient to produce an electric arc between the first electrode and the second electrode to produce a plasma in an ambient atmosphere at an ambient pressure which vaporizes at least a portion of the solid lubricant to produce a vapor stream comprising the solid lubricant. Methods to lubricate a surface utilizing the lubrication device in-situ are also disclosed.
Abstract translation: 本文公开了一种润滑装置,其包括设置在第一电极之间并与之接触的固体润滑剂,第一电极和第二电极的尺寸和布置使得在第一电极和第二电极之间施加电位足以在第一电极和第二电极之间产生电弧 电极和第二电极,以在环境气氛中在环境压力下产生等离子体,其使至少一部分固体润滑剂蒸发以产生包含固体润滑剂的蒸气流。 还公开了利用现场润滑装置润滑表面的方法。
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公开(公告)号:US12233604B1
公开(公告)日:2025-02-25
申请号:US17149712
申请日:2021-01-14
Inventor: Arash Mazhari , Rachel Lackritz Ticknor , Daniel Walton Cellucci , Dean Peter Giovannetti , Sean Shan-Min Swei
IPC: B29C64/393 , B29C64/209 , B29C64/227 , B33Y80/00 , B29L31/00
Abstract: Augmenting the functionality of an off-the-shelf additive manufacturing machine, such as a 3D printer, by generating a component design having an autonomy characteristic, and that may impart a functionality to one or more components manufactured by the additive manufacturing machine that is based on an interaction between the component and the additive manufacturing machine. The design includes code for instructing the additive machine to build an ancillary component, such as a cantilever spring, and build the primary manufactured object, and use the cantilever spring to propel the object off the build platform. In this manner the functionality of an off-the-shelf additive manufacturing machine is expanded without physical modification of the machine, and can be implemented remotely to embed additional functionality into designed components that are to be fabricated, for example on spacecraft where physical retrofits are impractical. Other applications include parts and material testing and rapid prototyping.
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公开(公告)号:US12204016B2
公开(公告)日:2025-01-21
申请号:US17727717
申请日:2022-04-23
Inventor: Robert W. Moses , Michael S. Mcbeth
IPC: G01S13/76
Abstract: The disclosed system and method transmit a signal from the surface (or surroundings) of a celestial object to a satellite (for which you know the orbital elements) that re-transmits the signal back to a transceiver on the surface of the celestial object from which a time delay to obtain a range measurement and a Doppler shift to obtain the range-rate can be measured. With knowledge of the satellite's orbital elements and the range and range-rate, a location of the transceiver can be determined.
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公开(公告)号:US12181985B1
公开(公告)日:2024-12-31
申请号:US17159338
申请日:2021-01-27
Inventor: Colby Goodloe , Luis Santos Soto , Charles Clagett , David Everett
Abstract: A spacecraft computing system, including: a first processor configured to process data from a payload and a first spacecraft system; a second processor configured to process data from a second spacecraft system; an interface connected to the second processor configured to interface with a third spacecraft system, wherein the second processor is configured to monitor the first processor and to initiate the recovery of the first processor when the first processor experiences a fault, wherein the first processor's processing capacity is greater the second processor's processing capacity, and wherein the second processor is more reliable than the first processor.
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