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1. 发明申请

US20140085711A1 ACTIVE MANIPULATION OF ELECTROMAGNETIC WAVE PROPAGATION IN METAMATERIALS 有权
标题翻译：电磁波传播的主动调控
公开(公告)号：US20140085711A1
公开(公告)日：2014-03-27
申请号：US13883442
申请日：2011-11-01
申请人： Sameer Sonkusale , Willie John Padilla , Saroj Rout
发明人： Sameer Sonkusale , Willie John Padilla , Saroj Rout
IPC分类号： G02B1/00
CPC分类号： G02B1/002 , G01N21/3581 , H01P7/082 , H01P7/088
摘要： An apparatus for controlling propagation of an electromagnetic wave includes a metamaterial having an array of cells, each cell containing a metallic structure having a resonant frequency; a plurality of devices integrated in the metamaterial, each of said devices being in electrical communication with a metallic structure in a cell in the array of cells; and a controller for electrically activating each of said plurality of devices to cause said resonant frequency to change, thereby causing at least one of a permeability and permittivity of the metamaterial to change.
摘要翻译：用于控制电磁波传播的装置包括具有单元阵列的超材料，每个单元包含具有谐振频率的金属结构; 集成在超材料中的多个器件，每个所述器件与电池阵列中的电池中的金属结构电连通; 以及用于电激活所述多个器件中的每一个以使所述谐振频率发生变化的控制器，从而导致所述超材料的磁导率和介电常数之中的至少一个改变。

2. 发明授权

US09699534B1 Time-domain multiplexed signal processing block and method for use with multiple MEMS devices 有权
公开(公告)号：US09699534B1
公开(公告)日：2017-07-04
申请号：US14487827
申请日：2014-09-16
申请人： Saroj Rout , Akhil K. Garlapati , Qicheng Yu
发明人： Saroj Rout , Akhil K. Garlapati , Qicheng Yu
IPC分类号： H04Q11/04 , G01C19/56 , H04J3/02 , G01C19/5776 , G01C19/5726
CPC分类号： H04Q11/0421 , G01C19/5726 , G01C19/5776 , G01P15/18 , H04J3/02 , H04Q9/00 , H04Q11/04 , H04Q2213/13213 , H04Q2213/13292
摘要： A sense channel signal processing block is time-domain multiplexed among multiple MEMS devices and utilizes an anti-aliasing filter disposed after track-and-hold switches, to prevent the bandwidth of the sense channel from being limited by the anti-aliasing filter.

3. 发明授权

US06812744B2 Integrated circuit beta compensator for external interface circuitry 有权
公开(公告)号：US06812744B2
公开(公告)日：2004-11-02
申请号：US10262579
申请日：2002-09-28
申请人： Kim Fung Lee , Saroj Rout , Marius Goldenberg
发明人： Kim Fung Lee , Saroj Rout , Marius Goldenberg
IPC分类号： H03K190175
CPC分类号： H03K19/01825 , H03F3/343
摘要： An apparatus for interfacing an integrated circuit with external circuitry includes a transistor having an emitter coupled to a node for receiving a control current (IP) from the integrated circuit. A beta compensator disposed within the integrated circuit provides a compensating current (IM) to the node. The compensating current IM is proportional to a base current (IB) of the transistor. A method of interfacing the integrated circuit with external circuitry includes the step of providing the control current (IP) from the integrated circuit to a node coupled to a transistor emitter. A compensating current (IM) is provided to the node in response to the transistor base current (IB). The net node current provided to the emitter is IP+IB so that the transistor collector current is substantially the same as the control current. The transistor collector is coupled to the external circuitry.

4. 发明授权

US09459375B2 Active manipulation of electromagnetic wave propagation in metamaterials 有权
标题翻译：在超材料中主动操纵电磁波传播
公开(公告)号：US09459375B2
公开(公告)日：2016-10-04
申请号：US13883442
申请日：2011-11-01
申请人： Sameer Sonkusale , Willie John Padilla , Saroj Rout
发明人： Sameer Sonkusale , Willie John Padilla , Saroj Rout
IPC分类号： H03B28/00 , G02B1/00 , H01P7/08 , G01N21/3581
CPC分类号： G02B1/002 , G01N21/3581 , H01P7/082 , H01P7/088
摘要： An apparatus for controlling propagation of an electromagnetic wave includes a metamaterial having an array of cells, each cell containing a metallic structure having a resonant frequency; a plurality of devices integrated in the metamaterial, each of said devices being in electrical communication with a metallic structure in a cell in the array of cells; and a controller for electrically activating each of said plurality of devices to cause said resonant frequency to change, thereby causing at least one of a permeability and permittivity of the metamaterial to change.
摘要翻译：用于控制电磁波传播的装置包括具有单元阵列的超材料，每个单元包含具有谐振频率的金属结构; 集成在超材料中的多个器件，每个所述器件与电池阵列中的电池中的金属结构电连通; 以及用于电激活所述多个器件中的每一个以使所述谐振频率发生变化的控制器，从而导致所述超材料的磁导率和介电常数之中的至少一个改变。

5. 发明申请

US20070030929A1 Television reciever with automatic gain control (AGC) 有权
标题翻译：带自动增益控制（AGC）的电视接收机
公开(公告)号：US20070030929A1
公开(公告)日：2007-02-08
申请号：US11528943
申请日：2006-09-28
申请人： Li Gao , Saroj Rout
发明人： Li Gao , Saroj Rout
IPC分类号： H04L27/08
CPC分类号： H04N5/52
摘要： A radio frequency (RF) signal is attenuated using first (220) and second (241) attenuation elements. In one embodiment an initial overall attenuation of the RF signal is set using both the first (220) and second (241) attenuation elements during a calibration period. The initial overall attenuation of the RF signal is adjusted using only the first attenuation element during a normal operation period. In another embodiment the initial overall attenuation is determined and is provided using either, only the first attenuation element (220) or both the first attenuation element (220) and the second attenuation element (241) based on a value of the initial overall attenuation.
摘要翻译：使用第一（220）和第二（241）衰减元件来衰减射频（RF）信号。在一个实施例中，在校准周期期间使用第一（220）和第二（241）衰减元件两者来设置RF信号的初始总衰减。在正常操作期间仅使用第一衰减元件来调整RF信号的初始总衰减。在另一个实施例中，基于初始总体衰减的值，确定初始总体衰减并且仅使用第一衰减元件（220）或第一衰减元件（220）和第二衰减元件（241）两者来提供初始总衰减。

6. 发明申请

US20060178126A1 Diversity receiver system having a shared local oscillator source 审中-公开
标题翻译：具有共享本地振荡器源的分集接收机系统
公开(公告)号：US20060178126A1
公开(公告)日：2006-08-10
申请号：US11093421
申请日：2005-03-30
申请人： Charles Thompson , Andrew Dornbusch , Saroj Rout
发明人： Charles Thompson , Andrew Dornbusch , Saroj Rout
IPC分类号： H04B1/28
CPC分类号： H04B1/30
摘要： A technique includes fabricating receive paths of a diversity receiver on a monolithic semiconductor die. The technique includes fabricating a local oscillator source on the die to be shared in common with the receive paths of the diversity receiver.
摘要翻译：一种技术包括在单片半导体管芯上制造分集接收器的接收路径。该技术包括在芯片上制造与分集接收器的接收路径共同共享的本地振荡器源。

7. 发明授权

US08009776B2 Television reciever with automatic gain control (AGC) 有权
标题翻译：带自动增益控制（AGC）的电视接收机
公开(公告)号：US08009776B2
公开(公告)日：2011-08-30
申请号：US11528943
申请日：2006-09-28
申请人： Li Gao , Saroj Rout
发明人： Li Gao , Saroj Rout
IPC分类号： H04L27/08 , H04N5/52
CPC分类号： H04N5/52
摘要： A radio frequency (RF) signal is attenuated using first (220) and second (241) attenuation elements. In one embodiment an initial overall attenuation of the RF signal is set using both the first (220) and second (241) attenuation elements during a calibration period. The initial overall attenuation of the RF signal is adjusted using only the first attenuation element during a normal operation period. In another embodiment the initial overall attenuation is determined and is provided using either, only the first attenuation element (220) or both the first attenuation element (220) and the second attenuation element (241) based on a value of the initial overall attenuation.
摘要翻译：使用第一（220）和第二（241）衰减元件来衰减射频（RF）信号。在一个实施例中，在校准周期期间使用第一（220）和第二（241）衰减元件两者来设置RF信号的初始总衰减。在正常操作期间仅使用第一衰减元件来调整RF信号的初始总衰减。在另一个实施例中，基于初始总体衰减的值，确定初始总体衰减并且仅使用第一衰减元件（220）或第一衰减元件（220）和第二衰减元件（241）两者来提供初始总衰减。

8. 发明授权

US06968055B1 DC holding circuit 失效
标题翻译：直流保持电路
公开(公告)号：US06968055B1
公开(公告)日：2005-11-22
申请号：US10397960
申请日：2003-03-26
申请人： Timothy J. Dupuis , Saroj Rout
发明人： Timothy J. Dupuis , Saroj Rout
IPC分类号： H04M1/57 , H04M1/80
CPC分类号： H04M1/80 , H04M1/573
摘要： DC holding circuitry that may be implemented with other parts of a DAA circuit to terminate a telephone connections at the user's end. The DC holding circuitry may be implemented using a synthesized inductor circuit powered by DC termination circuitry of a DAA telephone line circuit to provide quiet current that may be mirrored to provide the DC holding. The DC holding circuitry may be further implemented to actively steer DC holding current into multiple external transistors to share the power burden, and using an op-amp gain/feedback configuration to achieve low noise and distortion without the need for expensive capacitor-based filter and high powered transistor components. Variable biasing and active current steering may be employed to permit one or more external resistor/s to help dissipate power. The disclosed DC holding circuitry may also be implemented with a fast transient network having a single stage of fast transient filtering placed in the input network. A fast off-hook settling circuit block may also be implemented to achieve fast settling times by using an op-amp to clamp the receive pin voltage of a DAA circuit.
摘要翻译： DC保持电路，其可以与DAA电路的其他部分一起实现，以在用户端终止电话连接。 DC保持电路可以使用由DAA电话线路电路的DC终端电路供电的合成电感器电路来实现，以提供可以被镜像以提供DC保持的安静电流。可以进一步实现DC保持电路以主动地将DC保持电流引导到多个外部晶体管中以共享电力负担，并且使用运算放大器增益/反馈配置来实现低噪声和失真，而不需要昂贵的基于电容器的滤波器和高功率晶体管组件。可以采用可变偏置和有源电流转向来允许一个或多个外部电阻器来帮助耗散功率。所公开的DC保持电路也可以用放置在输入网络中的具有单级快速瞬态滤波的快速瞬态网络来实现。也可以通过使用运算放大器钳位DAA电路的接收引脚电压来实现快速摘机稳定电路块以实现快速建立时间。

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