公开(公告)号：US20120039366A1

公开(公告)日：2012-02-16

申请号：US11913377

申请日：2006-06-06

申请人： John Wood ,  Haris Basit

发明人： John Wood ,  Haris Basit

IPC分类号： H01Q21/00 ,  H03H11/26 ,  H04B1/40 ,  H03L7/24

CPC分类号： G01S7/03 ,  G01S13/0209 ,  G01S2007/403 ,  G01S2007/4034 ,  H01Q3/2694 ,  H01Q3/42

摘要： Local oscillator circuitry for an antenna array is disclosed. The circuitry includes an array of rotary traveling wave oscillators which are arranged in a pattern over an area and coupled so as to make them coherent. This provides for a set of phase synchronous local oscillators distributed over a large area. The array also includes a plurality of phase shifters each of which is connected to one of the rotary oscillators to provide a phase shifted local oscillator for the array. The phase shifter optionally includes a cycle counter that is configured to count cycles of the rotary oscillator to which it is connected and control circuitry that is then operative to provide a shifted rotary oscillator output based on the count from the cycle counter. A system and method for operating a true-time delay phased array antenna system. The system includes a plurality of antenna element circuits for driving or receiving an rf signal from the elements of the array. Each element circuit has a transmit and a receive path and a local multiphase oscillator, such as a rotary traveling wave oscillator. Each path has an analog delay line for providing a true-time delay for the antenna element. Preferably, the analog delay line is a charge coupled device whose control nodes are connected to phases of the local multiphase oscillator to implement a delay that is an integer number local multiphase oscillator periods. A fractional delay is also included in the path by using a sample and hold circuit connected to a particular phase of the oscillator. By delaying each antenna element by a true time delay, broadband operation of the array is possible.

摘要翻译： 公开了用于天线阵列的本地振荡器电路。 该电路包括旋转行波振荡器的阵列，它们被布置成一个区域上的图案并被耦合以使它们相干。 这提供了分布在大面积上的一组相位同步本地振荡器。 该阵列还包括多个移相器，每个移相器连接到一个旋转振荡器以提供阵列的相移本地振荡器。 移相器可选地包括周期计数器，其被配置为对其连接的旋转振荡器的周期进行计数，然后控制电路可操作以基于来自周期计数器的计数提供移位的旋转振荡器输出。 一种用于操作真时延迟相控阵天线系统的系统和方法。 该系统包括用于从阵列的元件驱动或接收rf信号的多个天线元件电路。 每个元件电路具有发射和接收路径以及本地多相振荡器，例如旋转行波振荡器。 每个路径都有一个模拟延迟线，用于提供天线元件的真实时间延迟。 优选地，模拟延迟线是电荷耦合器件，其控制节点连接到本地多相振荡器的相位，以实现作为整数局部多相振荡器周期的延迟。 通过使用连接到振荡器的特定相位的采样和保持电路，路径中还包括分数延迟。 通过将每个天线元件延迟真实的时间延迟，阵列的宽带操作是可能的。

公开(公告)号：US08629807B2

公开(公告)日：2014-01-14

申请号：US11913377

申请日：2006-06-06

申请人： John Wood ,  Haris Basit

发明人： John Wood ,  Haris Basit

IPC分类号： H01Q3/22 ,  H01Q3/00 ,  H01Q3/02

CPC分类号： G01S7/03 ,  G01S13/0209 ,  G01S2007/403 ,  G01S2007/4034 ,  H01Q3/2694 ,  H01Q3/42

摘要： Local oscillator circuitry for an antenna array is disclosed. The circuitry includes an array of rotary traveling wave oscillators which are arranged in a pattern over an area and coupled so as to make them coherent. This provides for a set of phase synchronous local oscillators distributed over a large area. The array also includes a plurality of phase shifters each of which is connected to one of the rotary oscillators to provide a phase shifted local oscillator for the array. The phase shifter optionally includes a cycle counter that is configured to count cycles of the rotary oscillator to which it is connected and control circuitry that is then operative to provide a shifted rotary oscillator output based on the count from the cycle counter.

摘要翻译： 公开了用于天线阵列的本地振荡器电路。 该电路包括旋转行波振荡器的阵列，它们被布置成一个区域上的图案并被耦合以使它们相干。 这提供了分布在大面积上的一组相位同步本地振荡器。 该阵列还包括多个移相器，每个移相器连接到一个旋转振荡器以提供阵列的相移本地振荡器。 移相器可选地包括周期计数器，其被配置为对其连接的旋转振荡器的周期进行计数，然后控制电路可操作以基于来自周期计数器的计数提供移位的旋转振荡器输出。

公开(公告)号：US10374070B2

公开(公告)日：2019-08-06

申请号：US16031752

申请日：2018-07-10

申请人： John Wood

发明人： John Wood

IPC分类号： H01L21/00 ,  H01L29/732 ,  H01L29/808 ,  H01L29/10 ,  H01L29/06 ,  H03K7/08 ,  H01L29/08 ,  H02M3/335 ,  H01L21/306 ,  H03K17/60 ,  H01L29/16 ,  H01L29/78 ,  H02M1/00 ,  H01L29/739 ,  H01L29/66 ,  H01L27/102 ,  H01L27/098 ,  H01L29/417

摘要： Double sided versions of several power transistor types are devices that are already known in the literature. Devices built in this configuration are generally required to have a separate driver circuit to control the front and rear control electrodes and provide the gate or base voltage and/or currents for the power switch. This is because there may be of the order of 1000V potential-difference between the frontside and rearside potentials when the transistor is in the off condition—and a single integrated circuit cannot generally sustain this within a single package. The NPN configuration is preferred in this case to benefit from electron conduction for the main power path between the emitters. However, problems arising when using a P-type wafer. The present invention seeks to avoid the use of P-type wafers while still getting the higher conduction performance of NPN operation.

公开(公告)号：US10049884B2

公开(公告)日：2018-08-14

申请号：US15595361

申请日：2017-05-15

申请人： John Wood

发明人： John Wood

IPC分类号： H01L21/00 ,  H01L21/3063 ,  H01L21/306

摘要： A bi-directional bipolar junction transistor (BJT) structure, comprising: a base region of a first conductivity type, wherein said base region constitutes a drift region of said structure; first and second collector/emitter (CE) regions, each of a second conductivity type adjacent opposite ends of said base region; wherein said base region is lightly doped relative to said collector/emitter regions; the structure further comprising: a base connection to said base region, wherein said base connection is within or adjacent to said first collector/emitter region.

公开(公告)号：US08410858B2

公开(公告)日：2013-04-02

申请号：US13371373

申请日：2012-02-10

申请人： John Wood

发明人： John Wood

IPC分类号： H03B5/18

CPC分类号： H03K3/0322 ,  G06F1/10 ,  G06F1/12 ,  H01L2224/48091 ,  H01L2924/1305 ,  H01L2924/13091 ,  H03K3/0315 ,  H01L2924/00014 ,  H01L2924/00

摘要： Electronic circuitry comprising operational circuits of active switching type requiring timing signals, and conductive means for distributing said timing signals to the operational circuits, wherein the timing signal distribution means includes a signal path that has different phases of a drive signal are supplied via active means at different positions about the signal path where that path exhibits endless electro-magnetic continuity without signal phase inversion or has interconnections with another signal path having different substantially unidirectional signal flow where there is no endless electromagnetic continuity between those signal paths and generally has non-linear associated circuit means where the signal path is of a transmission line nature.

公开(公告)号：US07656336B2

公开(公告)日：2010-02-02

申请号：US11696184

申请日：2007-04-03

申请人： John Wood

发明人： John Wood

IPC分类号： H03M1/12

CPC分类号： G11C27/026 ,  G04F10/005 ,  G11C27/024 ,  H03M1/1004 ,  H03M1/54

摘要： A system and method for converting an analog signal to a digital signal is disclosed. The system includes a multiphase oscillator preferable a rotary oscillator, a sample and hold circuit, an integrator and a time-to-digital converter. The multiphase oscillator has a plurality of phases that are used in the time-to-digital converter to measure the time of a pulse created by the integrator. The edges of the pulse may optionally be sharpened by passing the pulse through a non-linear transmission line to improve the accuracy of the measurement process. To cut down on noise a tuned power network provides power to the switching devices of the rotary oscillator. Calibration is performed by fragmenting the sample and hold circuit and integrator and performing a closed loop calibration cycle on one of the fragments while the other fragments are joined together for the normal operation of the sample and hold and integrator circuits.

摘要翻译： 公开了一种将模拟信号转换为数字信号的系统和方法。 该系统包括优选旋转振荡器，采样和保持电路，积分器和时间 - 数字转换器的多相振荡器。 多相振荡器具有在时间 - 数字转换器中用于测量由积分器产生的脉冲的时间的多个相位。 可以通过使脉冲通过非线性传输线来选择性地削尖脉冲的边缘，以提高测量过程的精度。 为了减少噪音，调谐电源网为旋转振荡器的开关装置提供电源。 校准是通过对采样和保持电路和积分器进行分片来执行的，并在其中一个片段上执行闭环校准周期，而其他片段连接在一起用于采样和保持和积分电路的正常工作。

公开(公告)号：US20080284910A1

公开(公告)日：2008-11-20

申请号：US12023519

申请日：2008-01-31

申请人： John Erskine ,  John Wood ,  Matthew Gutierrez

发明人： John Erskine ,  John Wood ,  Matthew Gutierrez

IPC分类号： H04N7/00

CPC分类号： H04N5/9206 ,  G11B27/11 ,  H04N5/44513 ,  H04N7/0885 ,  H04N21/234336 ,  H04N21/4755 ,  H04N21/4884 ,  H04N21/812 ,  H04N21/8405

摘要： In a system and method providing a video with closed captioning, a processor may: provide a first website user interface adapted for receiving a user request for generation of closed captioning, the request referencing a multimedia file provided by a second website; responsive to the request: transcribe audio associated with the video into a series of closed captioning text strings arranged in a text file; for each of the text strings, store in the text file respective data associating the text string with a respective portion of the video; and store, for retrieval in response to a subsequent request made to the first website, the text file and a pointer associated with the text file and referencing the text file with the video; and/or providing the text file to an advertisement engine for obtaining an advertisement based on the text file and that is to be displayed with the video.

摘要翻译： 在提供具有隐藏字幕的视频的系统和方法中，处理器可以：提供适于接收用于生成隐藏字幕的用户请求的第一网站用户界面，所述请求引用由第二网站提供的多媒体文件; 响应于该请求：将与该视频相关联的音频转录成布置在文本文件中的一系列隐藏字幕文本串; 对于每个文本串，存储在文本文件中，将文本串与视频的相应部分相关联的相应数据; 并且存储用于响应于对所述第一网站的后续请求进行检索，所述文本文件和与所述文本文件相关联的指针并且引用所述文本文件与所述视频; 和/或将文本文件提供给广告引擎，用于基于文本文件获得广告，并且将与视频一起显示。

公开(公告)号：US20080017248A1

公开(公告)日：2008-01-24

申请号：US10590716

申请日：2005-02-28

申请人： Alan Massey ,  John Wood ,  Dominic Ashton

发明人： Alan Massey ,  John Wood ,  Dominic Ashton

IPC分类号： B64D37/04

CPC分类号： A62C3/08 ,  A62B7/14 ,  A62C3/065 ,  B64D37/32 ,  Y10T137/0396

摘要： An inerting system for an aircraft fuel tank (10) uses an air separation device (12) to produce a supply of nitrogen-enriched air to replenish the fuel tank on consumption of fuel and to maintain the pressure difference across the walls of the tank (10) below design limits. The air separation device (12) provides substantially the whole of the mass of the gas required and so there is substantially no inward venting. This provides a substantially homogenous nitrogen content in the air in the tank (10).

摘要翻译： 用于飞机燃料箱（10）的惰化系统使用空气分离装置（12）来产生富氮空气的供应，以在消耗燃料时补充燃料箱并且保持跨越罐的壁的压力差（ 10）设计限制以下。 空气分离装置（12）基本上提供了所需气体的整体质量，因此基本上没有向内排气。 这在罐（10）中的空气中提供基本均匀的氮含量。

公开(公告)号：US20070103213A1

公开(公告)日：2007-05-10

申请号：US11560825

申请日：2006-11-16

申请人： John Wood

发明人： John Wood

IPC分类号： H03L7/06

CPC分类号： H03B5/1852 ,  G06F1/10 ,  H03K3/03 ,  H03K3/86 ,  H03L7/00

摘要： Timing signal generation and distribution are combined in operation of a signal path exhibiting endless electromagnetic continuity affording signal phase inversion and having associated regenerative active means. Two- or more-phases of substantially square-wave bipolar signals arise directly in traveling wave transmission-line embodiments compatible with semiconductor fabrication including CMOS. Coordination by attainable frequency synchronism with phase coherence for several such oscillating signal paths has intra-IC inter-IC and printed circuit board impact.

摘要翻译： 定时信号产生和分配被组合在具有提供信号相位反转的无止境电磁连续性并且具有相关联的再生有源装置的信号路径的操作中。 基本方波双极性信号的两相或更多相直接出现在与包括CMOS的半导体制造兼容的行波传输线实施例中。 通过实现具有相位相干性的几个这样的振荡信号路径的可实现的频率同步的协调具有IC内IC和印刷电路板的影响。

公开(公告)号：US20060281833A1

公开(公告)日：2006-12-14

申请号：US11396989

申请日：2006-04-03

申请人： James Smith ,  Gary Stevens ,  John Wood

发明人： James Smith ,  Gary Stevens ,  John Wood

IPC分类号： C08K9/00 ,  C08L63/00 ,  B32B27/20

CPC分类号： C08G59/4085 ,  C08L63/00 ,  Y10T428/249953 ,  Y10T428/249955 ,  Y10T428/249959 ,  Y10T428/26

摘要： In one application the mix grafted and non grafted invention provides for high thermal conductivity resin that comprises a host resin matrix 32 with a first class of grafted 31 high thermal conductivity particles that are grafted to the host resin matrix. Also a second class of non-grafted 30 high thermal conductivity particles that are not directly grafted the host resin matrix 32. The first class and the second class comprise approximately 2-60% by volume of the high thermal conductivity resin. The first class of grafted particles and the second class of non-grafted particles are high thermal conductivity fillers are from 1-1000 nm in length, and have an aspect ratio of between 3-100.

摘要翻译： 在一个应用中，混合物接枝和非接枝发明提供了高导热性树脂，其包含具有接枝到主体树脂基质上的第一类接枝31高导热性颗粒的主体树脂基质32。 也是不直接接枝主体树脂基质32的第二类非接枝30高导热性颗粒。 第一类和第二类占高热导率树脂的约2-60体积％。 第一类接枝颗粒和第二类非接枝颗粒是高热导率填料，长度为1-1000nm，纵横比在3-100之间。