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1. 发明申请

US20220229005A1 MONOLITHIC GAS-SENSING CHIP ASSEMBLY AND METHOD 有权
公开(公告)号：US20220229005A1
公开(公告)日：2022-07-21
申请号：US17715693
申请日：2022-04-07
申请人： GENERAL ELECTRIC COMPANY
发明人： Radislav Alexandrovich Potyrailo , Emad Andarawis Andarawis , Naresh Kesavan Rao
IPC分类号： G01N27/12 , G01N27/22
摘要： A monolithic gas-sensing chip assembly for sensing a gas analyte includes a sensing material to detect the gas analyte, a sensing system including a resistor-capacitor electrical circuit, and a heating element. A sensing circuit measures an electrical response of the sensing system to an alternating electrical current applied to the sensing system at (a) one or more different frequencies, or (b) one or more different resistor-capacitor configurations of the system. One or more processors control a low detection range of the system to the gas, a high detection range of the system to the gas, a linearity of a response of the system to the gas, a dynamic range of measurements of the gas by the system, a rejection of interfering gas analytes by the system, a correction for aging or poisoning of the system, or a rejection of ambient interferences that may affect the electrical response of the system.

2. 发明申请

US20210072175A1 MONOLITHIC GAS-SENSING CHIP ASSEMBLY AND METHOD 有权
公开(公告)号：US20210072175A1
公开(公告)日：2021-03-11
申请号：US16562611
申请日：2019-09-06
申请人： General Electric Company
发明人： Radislav Alexandrovich Potyrailo , Emad Andarawis Andarawis , Naresh Kesavan Rao
IPC分类号： G01N27/12 , G01N27/22
摘要： A monolithic gas-sensing chip assembly for sensing a gas analyte includes a sensing material to detect the gas analyte, a sensing system including a resistor-capacitor electrical circuit, and a heating element. A sensing circuit measures an electrical response of the sensing system to an alternating electrical current applied to the sensing system at (a) one or more different frequencies, or (b) one or more different resistor-capacitor configurations of the system. One or more processors control a low detection range of the system to the gas, a high detection range of the system to the gas, a linearity of a response of the system to the gas, a dynamic range of measurements of the gas by the system, a rejection of interfering gas analytes by the system, a correction for aging or poisoning of the system, or a rejection of ambient interferences that may affect the electrical response of the system.

3. 发明授权

US08924600B2 Programmable universal IO interface 有权
标题翻译：可编程通用IO接口
公开(公告)号：US08924600B2
公开(公告)日：2014-12-30
申请号：US13829905
申请日：2013-03-14
申请人： General Electric Company
发明人： Daniel Milton Alley , Naresh Kesavan Rao , Alan Paul Mathason , Feng Chen , Stephen Emerson Douthit
IPC分类号： G06F3/06 , G05B19/05 , G06F13/38 , G06F13/00
CPC分类号： G06F13/385 , G05B19/0423 , G05B2219/21087
摘要： A system is provided that includes a controller that is configured to enable communication between one or more sensors and a processor. The controller includes a plurality of input-output (IO) ports each configured to couple to the one or more sensors. Moreover, each of the IO ports is configured to couple to a plurality of sensor types such that each IO port is configured to couple more than one sensor type. The controller also includes an interface configured to receive a selection of a selected mode from a plurality of modes each corresponding to a sensor type. Furthermore, the controller includes a switch block having a plurality of switches each configured to toggle a connection in the switch block according to the selected mode.
摘要翻译：提供了一种系统，其包括被配置为实现一个或多个传感器与处理器之间的通信的控制器。控制器包括多个输入输出端口，每个端口被配置为耦合到一个或多个传感器。此外，每个IO端口被配置为耦合到多个传感器类型，使得每个IO端口被配置成耦合多于一种传感器类型。控制器还包括被配置为从对应于传感器类型的多个模式中接收所选模式的选择的接口。此外，控制器包括具有多个开关的开关块，每个开关被配置为根据所选择的模式切换开关块中的连接。

4. 发明申请

US20140281048A1 PROGRAMMABLE UNIVERSAL IO INTERFACE 有权
标题翻译：可编程通用IO接口
公开(公告)号：US20140281048A1
公开(公告)日：2014-09-18
申请号：US13829905
申请日：2013-03-14
申请人： GENERAL ELECTRIC COMPANY
发明人： Daniel Milton Alley , Naresh Kesavan Rao , Alan Paul Mathason , Feng Chen , Stephen Emerson Douthit
IPC分类号： G05B19/05 , G06F13/38
CPC分类号： G06F13/385 , G05B19/0423 , G05B2219/21087
摘要： A system is provided that includes a controller that is configured to enable communication between one or more sensors and a processor. The controller includes a plurality of input-output (IO) ports each configured to couple to the one or more sensors. Moreover, each of the IO ports is configured to couple to a plurality of sensor types such that each IO port is configured to couple more than one sensor type. The controller also includes an interface configured to receive a selection of a selected mode from a plurality of modes each corresponding to a sensor type. Furthermore, the controller includes a switch block having a plurality of switches each configured to toggle a connection in the switch block according to the selected mode.
摘要翻译：提供了一种系统，其包括被配置为实现一个或多个传感器与处理器之间的通信的控制器。控制器包括多个输入输出端口，每个端口被配置为耦合到一个或多个传感器。此外，每个IO端口被配置为耦合到多个传感器类型，使得每个IO端口被配置成耦合多于一种传感器类型。控制器还包括被配置为从对应于传感器类型的多个模式中接收所选模式的选择的接口。此外，控制器包括具有多个开关的开关块，每个开关被配置为根据所选择的模式切换开关块中的连接。

5. 发明申请

US20180360421A1 ULTRASOUND IMAGING SYSTEMS HAVING IMPROVED TRANSDUCER ARCHITECTURES 审中-公开
公开(公告)号：US20180360421A1
公开(公告)日：2018-12-20
申请号：US15624373
申请日：2017-06-15
申请人： General Electric Company
发明人： Kenneth Wayne Rigby , Ying Fan , Naresh Kesavan Rao , Christopher Robert Hazard
IPC分类号： A61B8/00 , A61B8/14 , A61B8/08
摘要： A transducer assembly is provided. The transducer assembly includes an aperture comprising a plurality of transducer elements. The transducer assembly also includes a plurality of first-level summers, wherein each transducer element is configured to be switchably coupled to at least four of the plurality of first-level summers. The transducer assembly further includes a plurality of second-level summers, wherein an output of each of the plurality of first-level summers is configured to be switchably coupled to an input of one of the plurality of second-level summers.

6. 发明申请

US20180234059A1 LOW NOISE AMPLIFIER WITH HYBRID TERMINATION AND VARIABLE GAIN 审中-公开
公开(公告)号：US20180234059A1
公开(公告)日：2018-08-16
申请号：US15432767
申请日：2017-02-14
申请人： General Electric Company
发明人： Naresh Kesavan Rao , Krishnakumar Sundaresan , Nanette Judith Gruber , Bruno Hans Haider
IPC分类号： H03F3/183 , H03G1/00 , H03F1/56 , A61B8/00 , A61B8/08
CPC分类号： H03F3/183 , A61B8/4444 , A61B8/4494 , A61B8/5269 , H03F1/56 , H03F2200/211 , H03F2200/222 , H03F2200/294 , H03G1/0088 , H03G2201/106
摘要： A system including a low noise amplifier is provided. The system further includes a coarse attenuation circuit coupled to an input of the low noise amplifier and configurable to attenuate an input signal by a coarse attenuation interval. The system also includes a fine attenuation circuit coupled in feedback with the low noise amplifier and configurable to attenuate the input signal by a fine attenuation interval, wherein the fine attenuation interval is less than the coarse attenuation interval.

7. 发明授权

US09722626B2 Method and system using computational sigma-delta modulators 有权
公开(公告)号：US09722626B2
公开(公告)日：2017-08-01
申请号：US14589484
申请日：2015-01-05
申请人： General Electric Company
发明人： Amit Satish Gore , Emad Andarawis Andarawis , Naresh Kesavan Rao
IPC分类号： H03M3/00 , G01D5/22
CPC分类号： H03M3/35 , G01D5/2291 , H03M3/466
摘要： An analog-to-digital converter (ADC) is provided includes a first sigma-delta modulator (SDM) electrically coupled to a first signal input. The first SDM includes a first summing junction configured to receive a plurality of inputs to the first SDM. The ADC further includes a second sigma-delta modulator (SDM) electrically coupled to a second signal input. The second SDM includes a second summing junction configured to receive a plurality of inputs to the second SDM. The first SDM also includes a cross-coupled feedback loop from an output of the first SDM to a negative input of the first summing junction and to a positive input of the second summing junction. The second SDM also includes a cross-coupled feedback loop from an output of the second SDM to a negative input of the first summing junction and to a negative input of the second summing junction.

8. 发明授权

US09147144B2 Systems and methods for monitoring sensors 有权
标题翻译：用于监控传感器的系统和方法
公开(公告)号：US09147144B2
公开(公告)日：2015-09-29
申请号：US13630954
申请日：2012-09-28
申请人： General Electric Company
发明人： Radislav Alexandrovich Potyrailo , Jeffrey Michael Ashe , Sm Shajed Hasan , Naresh Kesavan Rao , Krishnakumar Sundaresan
IPC分类号： G01N27/00 , G06K19/07 , G06K19/077
CPC分类号： G06K19/0717 , G06K19/0723 , G06K19/07749
摘要： A method for multivariable measurements using a single-chip impedance analyzer includes providing a sensor, exposing the sensor to an environmental parameter, determining a complex impedance of the sensor over a measured spectral frequency range of the sensor, and monitoring at least three spectral parameters of the sensor.
摘要翻译：使用单芯片阻抗分析仪进行多变量测量的方法包括提供传感器，将传感器暴露于环境参数，在传感器的测量光谱频率范围内确定传感器的复阻抗，以及监测至少三个光谱参数传感器。

9. 发明授权

US09689996B2 Integrated diode DAS detector 有权
公开(公告)号：US09689996B2
公开(公告)日：2017-06-27
申请号：US13857624
申请日：2013-04-05
申请人： General Electric Company
发明人： Naresh Kesavan Rao , James Wilson Rose , Christopher David Unger , Abdelaziz Ikhlef , Jonathan David Short
IPC分类号： A61B6/00 , G01T1/24 , H01L27/146
CPC分类号： G01T1/247 , A61B6/42 , A61B6/4233 , H01L27/14661 , H01L27/14663
摘要： Improved imaging systems are disclosed. More particularly, the present disclosure provides for an improved image sensor assembly for an imaging system, the image sensor assembly having an integrated photodetector array and its associated data acquisition electronics fabricated on the same substrate. By integrating the electronics on the same substrate as the photodetector array, this thereby reduces fabrications costs, and reduces interconnect complexity. Since both the photodiode contacts and the associated electronics are on the same substrate/plane, this thereby substantially eliminates certain expensive/time-consuming processing techniques. Moreover, the co-location of the electronics next to or proximal to the photodetector array provides for a much finer resolution detector assembly since the interconnect bottleneck between the electronics and the photodetector array is substantially eliminated/reduced. The co-location of the electronics next to or proximal to the photodetector array also enables/facilitates programmable pixel configuration for optimal image quality.

10. 发明授权

US09389260B2 Systems and methods for monitoring sensors 有权
标题翻译：用于监控传感器的系统和方法
公开(公告)号：US09389260B2
公开(公告)日：2016-07-12
申请号：US13630939
申请日：2012-09-28
申请人： General Electric Company
发明人： Radislav Alexandrovich Potyrailo , Jeffrey Michael Ashe , Sm Shajed Hasan , Naresh Kesavan Rao , Krishnakumar Sundaresan
IPC分类号： G06F15/00 , G01R27/02 , G01R27/28 , G01R31/28
CPC分类号： G01R27/28 , G01R31/2824
摘要： An impedance analyzer is provided. The analyzer includes a signal excitation generator comprising a digital to analog converter, where a transfer function of the digital to analog converter from digital to analog is programmable. The impedance analyzer further includes a receiver comprising a low noise amplifier (LNA) and an analog to digital converter (ADC), where the LNA is a current to voltage converter; where the programmable digital to analog transfer function is implemented by a direct digital synthesizer (DDS) and a voltage mode digital to analog converter, or a digital phase locked loop (PLL), or both. Further, a multivariable sensor node having an impedance analyzer is provided. Furthermore, a multivariable sensor network having a plurality of multivariable sensor nodes is provided.
摘要翻译：提供阻抗分析仪。该分析器包括一个包括数模转换器的信号激励发生器，其中从数字到模拟的数模转换器的传递函数是可编程的。该阻抗分析器还包括一个包括低噪声放大器（LNA）和模数转换器（ADC）的接收器，其中LNA是电流到电压转换器; 其中可编程数字到模拟传递功能由直接数字合成器（DDS）和电压模式数模转换器或数字锁相环（PLL）或两者实现。此外，提供了具有阻抗分析器的多变量传感器节点。此外，提供了具有多个多变量传感器节点的多变量传感器网络。

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