公开(公告)号：US20140313243A1

公开(公告)日：2014-10-23

申请号：US14129242

申请日：2012-12-21

申请人： Niraj Gupta ,  Supratim Pal ,  Mahesh B. Chappalli ,  Yi-Jen Chiu ,  Hong Jiang

发明人： Niraj Gupta ,  Supratim Pal ,  Mahesh B. Chappalli ,  Yi-Jen Chiu ,  Hong Jiang

IPC分类号： G09G5/10 ,  G09G5/06

CPC分类号： G09G5/10 ,  G09G5/06 ,  G09G2320/029 ,  G09G2320/066 ,  H04N5/57 ,  H04N21/4318

摘要： Systems, apparatus, articles, and methods are described including operations to generate a weighted look-up-table based at least in part on individual pixel input values within an active block region and on a plurality of contrast compensation functions. A second level compensation may be performed for a center pixel block of the active region based at least in part on the weighted look-up-table.

摘要翻译： 描述了系统，装置，物品和方法，其包括至少部分地基于活动块区域内的各个像素输入值和多个对比度补偿功能来生成加权查找表的操作。 可以至少部分地基于加权查找表来对活动区域的中心像素块执行第二级补偿。

公开(公告)号：US09245495B2

公开(公告)日：2016-01-26

申请号：US14129242

申请日：2012-12-21

申请人： Niraj Gupta ,  Supratim Pal ,  Mahesh B. Chappalli ,  Yi-Jen Chiu ,  Hong Jiang

发明人： Niraj Gupta ,  Supratim Pal ,  Mahesh B. Chappalli ,  Yi-Jen Chiu ,  Hong Jiang

IPC分类号： G09G5/06 ,  G09G5/10 ,  H04N5/57 ,  H04N21/431

CPC分类号： G09G5/10 ,  G09G5/06 ,  G09G2320/029 ,  G09G2320/066 ,  H04N5/57 ,  H04N21/4318

摘要： Systems, apparatus, articles, and methods are described including operations to generate a weighted look-up-table based at least in part on individual pixel input values within an active block region and on a plurality of contrast compensation functions. A second level compensation may be performed for a center pixel block of the active region based at least in part on the weighted look-up-table.

摘要翻译： 描述了系统，装置，物品和方法，其包括至少部分地基于活动块区域内的各个像素输入值和多个对比度补偿功能来生成加权查找表的操作。 可以至少部分地基于加权查找表来对活动区域的中心像素块执行第二级补偿。

公开(公告)号：US20140379993A1

公开(公告)日：2014-12-25

申请号：US13926328

申请日：2013-06-25

申请人： Niraj Gupta ,  Hong Jiang

发明人： Niraj Gupta ,  Hong Jiang

IPC分类号： G06F12/08 ,  G06F12/12

CPC分类号： G06F12/0837 ,  G06F12/0808 ,  G06F2212/302

摘要： Methods and systems may provide for receiving, at a graphics processor, a workload from a host processor and using a kernel on the graphics processor to issue a thread group for execution of the workload on the graphics processor. Additionally, one or more coherency messages may be initiated, by the graphics processor, in response to a thread-related condition of one or more caches on the graphics processor. In one example, the thread-related condition is associated with the execution of the workload on the graphics processor and indicates that the one or more caches on the graphics processor are not coherent with a system memory associated with the host processor.

摘要翻译： 方法和系统可以提供在图形处理器处接收来自主机处理器的工作负载并且使用图形处理器上的内核来发布用于在图形处理器上执行工作负载的线程组。 另外，响应于图形处理器上的一个或多个高速缓存的线程相关状况，图形处理器可以启动一个或多个一致性消息。 在一个示例中，线程相关条件与图形处理器上的工作负载的执行相关联，并且指示图形处理器上的一个或多个高速缓存与与主机处理器相关联的系统存储器不一致。

公开(公告)号：US08578261B1

公开(公告)日：2013-11-05

申请号：US11767064

申请日：2007-06-22

申请人： Niraj Gupta ,  Nitin Goel

发明人： Niraj Gupta ,  Nitin Goel

IPC分类号： G06F15/16

CPC分类号： G06F17/30899

摘要： In one embodiment, a method is illustrated as including receiving a digital content request relating to digital content accessible using a resource identifier, retrieving the digital content using the resource identifier, converting the digital content into formatted digital content having a file format different from that of the digital content, and compatible to be displayed in a preview frame, and transmitting the formatted digital content. Further, in some embodiments, a method is illustrated as including receiving a search result containing a resource identifier, extracting the resource identifier from the search result, and associating a file format description with the resource identifier, and displaying the search result and the file format description.

摘要翻译： 在一个实施例中，一种方法被示出为包括接收与使用资源标识符可访问的数字内容相关的数字内容请求，使用资源标识符检索数字内容，将数字内容转换成具有不同于 数字内容，并且兼容以在预览帧中显示，并且发送格式化的数字内容。 此外，在一些实施例中，一种方法被示出为包括接收包含资源标识符的搜索结果，从搜索结果中提取资源标识符，以及将文件格式描述与资源标识符相关联，并且显示搜索结果和文件格式 描述。

公开(公告)号：US5369989A

公开(公告)日：1994-12-06

申请号：US88163

申请日：1993-07-07

申请人： Freeman C. Gates, Jr. ,  Kyong M. Park ,  Niraj Gupta

发明人： Freeman C. Gates, Jr. ,  Kyong M. Park ,  Niraj Gupta

IPC分类号： G01M15/09 ,  G01M15/10 ,  G01M15/00

CPC分类号： G01M15/106 ,  G01M15/09

摘要： A simple, reliable, compact and inexpensive automobile engine misfiring detection system includes a basic capacitive pressure transducer, attached to a bleeder pipeline equidistantly from each point where the exhaust manifold is attached to the engine, and made of two closely spaced insulating plates whose opposed faces contain conductive layers, and one of which plates is a flexible diaphragm of low mechanical hysteresis. The transducer is thus coupled to a variable exhaust gas pressure source which under normal operating conditions remains at a substantially constant pressure level. The output signal from the transducer has its high-frequency AC component attenuated by a low-pass filter, whose output in turn has its DC component substantially removed by capacitive blocking, after which the remaining AC output is then amplified by a circuit including an operational amplifier. This AC-amplified signal is then compared with a "reduced-magnitude average" reference signal (produced by an AC-to-DC conversion side-circuit followed by magnitude-level adjustment). The comparator output triggers a one-shot monostable multivibrator used to produce an on-off switching signal which operates an LED alarm signal notifying the driver of engine misfiring and also sends an electronic signal to the car's central processor.

摘要翻译： 一种简单，可靠，紧凑且廉价的汽车发动机失火检测系统，包括一个基本的电容式压力传感器，其连接到排气歧管连接到发动机的每个点等距离的泄放管道，并且由两个紧密隔开的绝缘板制成， 包含导电层，其中一个板是低机械滞后的柔性隔膜。 因此，换能器耦合到可变排气压力源，其在正常操作条件下保持在基本恒定的压力水平。 来自换能器的输出信号具有由低通滤波器衰减的高频AC分量，该低通滤波器的输出又通过电容性阻塞基本上除去其直流分量，之后剩余的交流输出由包含操作的电路放大 放大器 然后将该AC放大信号与“减小幅度平均”参考信号（由AC到DC转换侧电路产生，然后进行幅度电平调整）进行比较。 比较器输出触发单稳态多谐振荡器，用于产生开关开关信号，该开关信号操作LED告警信号，通知驾驶员发动机失火，并将电子信号发送到汽车的中央处理器。

公开(公告)号：US5349864A

公开(公告)日：1994-09-27

申请号：US88172

申请日：1993-07-07

申请人： Kyong M. Park ,  Niraj Gupta

发明人： Kyong M. Park ,  Niraj Gupta

IPC分类号： G01L9/12 ,  G01M3/32

CPC分类号： G01M3/3236 ,  G01L9/12

摘要： A simple, reliable, compact and inexpensive fluid pressure discontinuity analysis system includes a basic capacitive pressure transducer, made of two closely spaced insulating plates whose opposed faces contain conductive layers, and one of which plates is a flexible diaphragm of low mechanical hysteresis. The transducer is coupled to a variable pressure source which under normal operating conditions remains at a substantially constant pressure level. The output signal from the transducer has its high-frequency AC component attenuated by a low-pass filter, whose output in turn has its DC component substantially removed by capacitive blocking, after which the remaining AC output is then amplified by a circuit including an operational amplifier. This AC-amplified signal is then compared with a "reduced-magnitude average" reference signal (produced by an AC-to-DC conversion side-circuit followed by magnitude-level adjustment). The comparator output triggers a one-shot monostable multivibrator used to produce an on-off switching signal which operates an alarm signal.

摘要翻译： 一个简单，可靠，紧凑且廉价的流体压力不连续分析系统包括一个基本的电容式压力传感器，由相对的表面包含导电层的两个紧密隔开的绝缘板制成，其中一个板是低机械滞后的柔性隔膜。 传感器耦合到可变压力源，其在正常操作条件下保持在基本上恒定的压力水平。 来自换能器的输出信号具有由低通滤波器衰减的高频交流分量，该低通滤波器的输出又通过电容性阻塞将其直流分量基本上去除，然后剩余的交流输出由包括操作的电路放大 放大器 然后将该AC放大信号与“减小幅度平均”参考信号（由AC到DC转换侧电路产生，然后进行幅度电平调整）进行比较。 比较器输出触发单触发单稳态多谐振荡器，用于产生操作报警信号的开 - 关开关信号。

公开(公告)号：US20140379774A1

公开(公告)日：2014-12-25

申请号：US14127178

申请日：2013-06-21

申请人： Niraj Gupta ,  Karthik N

发明人： Niraj Gupta ,  Karthik N

IPC分类号： G06F17/10 ,  G06F17/16

CPC分类号： G06F17/10 ,  G06F17/15 ,  G06F17/16

摘要： The system has first, second, third, and fourth subsystems. Each subsystem has first and second multipliers coupled, respectively, to first and second adders. Each multiplier has two inputs. The first adder is coupled to a first output, a first accumulator, and a bit shifter. The bit shifter is coupled to a third adder. The third adder is coupled to a multiplexer. The multiplexer is coupled to a second output and a second accumulator. The second adder is coupled to the third adder and the multiplexer. The first outputs of the first and second subsystems are coupled directly to a fourth adder, the second outputs of the first and second subsystems are coupled directly to a fifth adder, the first outputs of the third and fourth subsystems are coupled directly to a sixth adder, and the second outputs of the third and fourth subsystems are coupled directly to a seventh adder.

摘要翻译： 该系统具有第一，第二，第三和第四子系统。 每个子系统具有分别耦合到第一和第二加法器的第一和第二乘法器。 每个乘法器有两个输入。 第一加法器耦合到第一输出，第一累加器和位移位器。 位移器耦合到第三加法器。 第三加法器耦合到多路复用器。 多路复用器耦合到第二输出和第二累加器。 第二加法器耦合到第三加法器和多路复用器。 第一和第二子系统的第一输出直接耦合到第四加法器，第一和第二子系统的第二输出直接耦合到第五加法器，第三和第四子系统的第一输出直接耦合到第六加法器 并且第三和第四子系统的第二输出直接耦合到第七加法器。

公开(公告)号：US06369923B1

公开(公告)日：2002-04-09

申请号：US09641037

申请日：2000-08-16

申请人： Chien-Yu Kuo ,  Tai S. Chen ,  Niraj Gupta

发明人： Chien-Yu Kuo ,  Tai S. Chen ,  Niraj Gupta

IPC分类号： H04J1402

CPC分类号： H04B10/564 ,  H04B10/504 ,  H04B10/572 ,  H04J14/0221 ,  H04Q11/0005 ,  H04Q2011/0016 ,  H04Q2011/0018 ,  H04Q2011/0024

摘要： The present invention provides for an optical transmission system for generating light signals at a plurality of predetermined wavelengths on an output fiber. The system has a plurality of modulated laser sources coupled to the output fiber and a feedback loop connected to the output fiber. The feedback loop includes a first subloop which generates electrical signals indicative of a total amount of light carried on the output fiber, and a second subloop which generates electrical signals indicative of an amount of light carried on the output fiber at the predetermined wavelengths. A control unit coupled to the plurality of laser sources receives the electrical signals from the first and second subloops and adjusts the laser source output wavelengths so that the output of each laser source is centered at one of the predetermined wavelengths. A comb filter is in the second subloop for transmitting light signals at the predetermined wavelengths.

摘要翻译： 本发明提供一种用于在输出光纤上产生多个预定波长的光信号的光传输系统。 该系统具有耦合到输出光纤的多个调制激光源和连接到输出光纤的反馈回路。 反馈回路包括产生指示输出光纤上携带的光的总量的电信号的第一子环，以及产生指示在预定波长上输出光纤上承载的光量的电信号的第二子环。 耦合到多个激光源的控制单元接收来自第一和第二子环的电信号，并且调节激光源输出波长，使得每个激光源的输出以预定波长中的一个为中心。 第二子环中的梳状滤波器用于以预定波长传输光信号。

公开(公告)号：US06222861B1

公开(公告)日：2001-04-24

申请号：US09145927

申请日：1998-09-03

申请人： Chien-Yu Kuo ,  Niraj Gupta

发明人： Chien-Yu Kuo ,  Niraj Gupta

IPC分类号： H01S310

CPC分类号： H04B10/505 ,  H01S5/0687 ,  H04B10/506 ,  H04B10/572

摘要： A method and apparatus for controlling the wavelength of a laser. Initially, the wavelength of the laser is coarsely tuned to within a predetermined window around a specified wavelength. After coarse adjustment, a wavelength control loop is activated to finely tune and lock the laser wavelength. In an embodiment, the control loop dithers the wavelength of the optical carrier signal from the laser. The optical carrier signal is then modulated (i.e., with data) in the normal manner. A portion of the modulated optical signal is filtered and detected. The amplitude and phase of the detected signal, which comprises the error signal, is processed and averaged. The averaged signal is then summed with a dither signal to provide a composite signal. A control signal corresponding to the composite signal is then generated and used to adjust the laser wavelength.

摘要翻译： 一种用于控制激光波长的方法和装置。 最初，将激光的波长粗略地调整到围绕特定波长的预定窗口内。 在粗调之后，激活波长控制环以微调和锁定激光波长。 在一个实施例中，控制环路使来自激光器的光载波信号的波长抖动。 然后以正常方式调制光载波信号（即，用数据）。 调制光信号的一部分被滤波和检测。 包括误差信号的检测信号的振幅和相位被处理并平均。 然后将平均信号与抖动信号相加以提供复合信号。 然后产生对应于复合信号的控制信号并用于调整激光波长。

公开(公告)号：US07366635B1

公开(公告)日：2008-04-29

申请号：US11006342

申请日：2004-12-06

申请人： Niraj Gupta ,  Martin E. Newell ,  Peter F. Ullmann

发明人： Niraj Gupta ,  Martin E. Newell ,  Peter F. Ullmann

IPC分类号： G06F11/00

CPC分类号： G06T11/001

摘要： Methods, systems, and apparatus, including computer program products, for calculating or applying a gradient over a region in a multi-dimensional space. A boundary defines the shape of the region. A gradient specifies a value transition between a starting position and an ending position. The following actions are performed to calculate a gradient value at any point in the selected region: determining an interpolation vector extending from an effective origin included in the starting position through the point to the ending position and defining a gradient value for the point according to the gradient and based on the position of the point along the interpolation vector relative to the effective origin and an intersection point where the interpolation vector meets the boundary.

摘要翻译： 包括用于在多维空间中的区域上计算或应用梯度的计算机程序产品的方法，系统和装置。 边界定义区域的形状。 梯度指定起始位置和结束位置之间的值转换。 执行以下动作以计算所选区域中的任何点处的梯度值：确定从包括在开始位置的有效原点通过该点延伸到终止位置的插值向量，并且根据该点定义该点的梯度值 并且基于相对于有效原点的插值向量的点的位置和插值向量与边界相遇的交点。