Patents by Inventor Amit Bavisi
Amit Bavisi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12289193Abstract: Systems and methods for demodulating a signal is described. A device can receive a modulated signal that encodes data. The device can sample a voltage of the modulated signal to generate a plurality of samples in digital domain. The device can determine in-phase data and quadrature data of the plurality of samples. The device can determine amplitude data and phase data based on the in-phase data and the quadrature data. The device can decode the amplitude data and phase data into digital symbols that represent the data encoded in the modulated signal.Type: GrantFiled: May 19, 2023Date of Patent: April 29, 2025Assignee: Renesas Electronics America Inc.Inventors: Damla Solmaz Acar, Mihail Jefremow, Jure Menart, Pooja Agrawal, Amit Bavisi, Gustavo James Mehas
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Patent number: 12272968Abstract: A wireless power system is disclosed that allows data to be read and written into a wireless power transmission system of a wireless power transmitter through near-field communications (NFC). A method of exchanging data with a power transmission system in the wireless power transmitter and a graphical user interface coupled to a wireless power receiver in communications with the wireless power transmitter includes communicating a data packet with the power transmission system through a near-field communications (NFC) link between a wireless power receiver and the wireless power transmitter; receiving the data packet in the power transmission system; and performing a task defined by a header command code in the data packet.Type: GrantFiled: April 10, 2020Date of Patent: April 8, 2025Assignee: Renesas Electronics America Inc.Inventors: Changjae Kim, Detelin Martchovsky, Amit Bavisi, Sophia Yi
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Patent number: 12255483Abstract: In an embodiment, a semiconductor device is disclosed that includes a wired input/output, a wireless input/output, and a battery. A wired charging path between the wired input/output and the battery includes a first transistor and a second transistor. A wireless charging path between the wireless input/output and the battery includes a third transistor and the second transistor.Type: GrantFiled: May 31, 2022Date of Patent: March 18, 2025Assignee: Renesas Electronics America Inc.Inventors: Mihail Jefremow, Amit Bavisi, Jiangjian Huang, Xue Ke, Turev Acar
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Publication number: 20240204550Abstract: In an embodiment, a semiconductor device is disclosed that includes a wired input/output, a wireless input/output, and a battery. A wired charging path between the wired input/output and the battery includes a first transistor and a second transistor. A wireless charging path between the wireless input/output and the battery includes a third transistor and the second transistor.Type: ApplicationFiled: May 31, 2022Publication date: June 20, 2024Applicant: Renesas Electronics America Inc.Inventors: Mihail Jefremow, Amit Bavisi, Jiangjian Huang, Xue Ke, Turev Acar
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Publication number: 20230388174Abstract: Systems and methods for demodulating a signal is described. A device can receive a modulated signal that encodes data. The device can sample a voltage of the modulated signal to generate a plurality of samples in digital domain. The device can determine in-phase data and quadrature data of the plurality of samples. The device can determine amplitude data and phase data based on the in-phase data and the quadrature data. The device can decode the amplitude data and phase data into digital symbols that represent the data encoded in the modulated signal.Type: ApplicationFiled: May 19, 2023Publication date: November 30, 2023Applicant: Renesas Electronics America Inc.Inventors: Damla Solmaz ACAR, Mihail JEFREMOW, Jure MENART, Pooja AGRAWAL, Amit BAVISI, Gustavo James MEHAS
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Publication number: 20200366135Abstract: A wireless power system is disclosed that allows data to be read and written into a wireless power transmission system of a wireless power transmitter through near-field communications (NFC). A method of exchanging data with a power transmission system in the wireless power transmitter and a graphical user interface coupled to a wireless power receiver in communications with the wireless power transmitter includes communicating a data packet with the power transmission system through a near-field communications (NFC) link between a wireless power receiver and the wireless power transmitter; receiving the data packet in the power transmission system; and performing a task defined by a header command code in the data packet.Type: ApplicationFiled: April 10, 2020Publication date: November 19, 2020Inventors: Changjae Kim, Detelin Martchovsky, Amit Bavisi, Sophia Yi
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Patent number: 10461555Abstract: A wired connection, such as USB-C, for charging a sink from a source, has a configuration channel and a power transmission channel. The presence of data on the configuration channel is used to determine that a cable has been disconnected from the power source. This charging system contains a capacitive power converter and a controller for controlling the capacitive power converter. There is also a configuration channel detector, which is arranged to detect the status of the configuration channel and to provide this status to the controller, so that the system can determine that the source has been detached from the bus when no configuration channel data is present.Type: GrantFiled: May 18, 2017Date of Patent: October 29, 2019Assignee: Dialog Semiconductor (UK) LimitedInventors: Sabin Eftimie, Lasse Harju, Manfred Kogler, Amit Bavisi, Sorin Negru
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Publication number: 20180337541Abstract: A wired connection, such as USB-C, for charging a sink from a source, has a configuration channel and a power transmission channel. The presence of data on the configuration channel is used to determine that a cable has been disconnected from the power source. This charging system contains a capacitive power converter and a controller for controlling the capacitive power converter. There is also a configuration channel detector, which is arranged to detect the status of the configuration channel and to provide this status to the controller, so that the system can determine that the source has been detached from the bus when no configuration channel data is present.Type: ApplicationFiled: May 18, 2017Publication date: November 22, 2018Inventors: Sabin Eftimie, Lasse Harju, Manfred Kogler, Amit Bavisi, Sorin Negru
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Patent number: 10044273Abstract: A method and a circuit of operating a multi-phase switching converter is presented. The circuit contains a plurality of phase circuits. The method includes setting an adaptive voltage positioning parameter of an adaptive voltage positioning controller and controlling an output voltage of the multi-phase switching converter using the adaptive voltage positioning controller. The method further includes generating a threshold voltage value based on the adaptive voltage positioning parameter, comparing the output voltage of the multi-phase switching converter with the threshold voltage value and performing at least one of enabling and disabling a phase circuit based on the comparison.Type: GrantFiled: September 28, 2017Date of Patent: August 7, 2018Assignee: Dialog Semiconductor (UK) LimitedInventors: Alin Gherghescu, Amit Bavisi, Ershad Ahmed, Narendra Nath Gaddam, Vineet Tiwari
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Publication number: 20180175734Abstract: A method and a circuit of operating a multi-phase switching converter is presented. The circuit contains a plurality of phase circuits. The method includes setting an adaptive voltage positioning parameter of an adaptive voltage positioning controller and controlling an output voltage of the multi-phase switching converter using the adaptive voltage positioning controller. The method further includes generating a threshold voltage value based on the adaptive voltage positioning parameter, comparing the output voltage of the multi-phase switching converter with the threshold voltage value and performing at least one of enabling and disabling a phase circuit based on the comparison.Type: ApplicationFiled: September 28, 2017Publication date: June 21, 2018Inventors: Alin Gherghescu, Amit Bavisi, Ershad Ahmed, Narendra Nath Gaddam, Vineet Tiwari
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Patent number: 9203138Abstract: In accordance with the present disclosure, method may include receiving one or more environment parameter signals indicative of an environment of a wireless communication element. The method may also include communicating one or more control signals to an antenna tuner of the wireless communication element for controlling an impedance of the antenna tuner based on the one or more environment parameter signals.Type: GrantFiled: January 17, 2012Date of Patent: December 1, 2015Assignee: Intel IP CorporationInventors: Amit Bavisi, Pravin Premakanthan
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Publication number: 20150171897Abstract: In accordance with some embodiments of the present disclosure, a control path for a wireless communication device may include a radio frequency coupler having a coupled port and a terminated port, the radio frequency coupler configured to couple at least a portion of a transmission power of a transmission line coupled to the antenna tuner such that the coupled port carries a first signal indicative of an incident power transmitted to an antenna coupled to the antenna tuner and the terminated port carries a second signal indicative of a reflected power reflected by the antenna. the control path may also include a control module configured to communicate the one or more control signals to the antenna tuner for controlling the impedance of the antenna tuner based at least on the first signal and the second signal.Type: ApplicationFiled: December 18, 2014Publication date: June 18, 2015Applicant: INTEL IP CORPORATIONInventors: Pravin Premakanthan, Bing Xu, Mark A. Kirschenmann, Amit Bavisi, Daniel B. Schwartz, Mahibur Rahman
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Patent number: 8938026Abstract: In accordance with some embodiments of the present disclosure, a control path for a wireless communication device may include a radio frequency coupler having a coupled port and a terminated port, the radio frequency coupler configured to couple at least a portion of a transmission power of a transmission line coupled to the antenna tuner such that the coupled port carries a first signal indicative of an incident power transmitted to an antenna coupled to the antenna tuner and the terminated port carries a second signal indicative of a reflected power reflected by the antenna. the control path may also include a control module configured to communicate the one or more control signals to the antenna tuner for controlling the impedance of the antenna tuner based at least on the first signal and the second signal.Type: GrantFiled: March 22, 2011Date of Patent: January 20, 2015Assignee: Intel IP CorporationInventors: Pravin Premakanthan, Bing Xu, Mark Kirschenmann, Amit Bavisi, Daniel Schwartz, Mahib Rahman
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Publication number: 20130183910Abstract: In accordance with the present disclosure, method may include receiving one or more environment parameter signals indicative of an environment of a wireless communication element. The method may also include communicating one or more control signals to an antenna tuner of the wireless communication element for controlling an impedance of the antenna tuner based on the one or more environment parameter signals.Type: ApplicationFiled: January 17, 2012Publication date: July 18, 2013Applicant: FUJITSU SEMICONDUCTOR LIMITEDInventors: Amit Bavisi, Pravin Premakanthan
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Publication number: 20120243579Abstract: In accordance with some embodiments of the present disclosure, a control path for a wireless communication device may include a radio frequency coupler having a coupled port and a terminated port, the radio frequency coupler configured to couple at least a portion of a transmission power of a transmission line coupled to the antenna tuner such that the coupled port carries a first signal indicative of an incident power transmitted to an antenna coupled to the antenna tuner and the terminated port carries a second signal indicative of a reflected power reflected by the antenna. the control path may also include a control module configured to communicate the one or more control signals to the antenna tuner for controlling the impedance of the antenna tuner based at least on the first signal and the second signal.Type: ApplicationFiled: March 22, 2011Publication date: September 27, 2012Inventors: Pravin Premakanthan, Bing Xu, Mark Kirschenmann, Amit Bavisi, Daniel Schwartz, Mahib Rahman
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Patent number: 8198968Abstract: In accordance with embodiments of the present disclosure, a multi-tap integrated transformer may include one or more windings, wherein each of the one or more windings include at least one pair of primary taps for receiving at least one differential input signal, a first pair of secondary taps for outputting a first output signal, and a second pair of secondary taps for outputting a second output signal. The first and second output signals may be based on the at least one differential input signal and a mutual inductance between portions of the one or more windings associated with the at least one pair of primary taps, the first pair of secondary taps, and the second pair of secondary taps.Type: GrantFiled: September 30, 2010Date of Patent: June 12, 2012Assignee: Fujitsu Semiconductor LimitedInventors: Omid Oliaei, Amit Bavisi
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Publication number: 20120081203Abstract: In accordance with embodiments of the present disclosure, a multi-tap integrated transformer may include one or more windings, wherein each of the one or more windings include at least one pair of primary taps for receiving at least one differential input signal, a first pair of secondary taps for outputting a first output signal, and a second pair of secondary taps for outputting a second output signal. The first and second output signals may be based on the at least one differential input signal and a mutual inductance between portions of the one or more windings associated with the at least one pair of primary taps, the first pair of secondary taps, and the second pair of secondary taps.Type: ApplicationFiled: September 30, 2010Publication date: April 5, 2012Inventors: Omid Oliaei, Amit Bavisi
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Patent number: 8120145Abstract: A design structure is embodied in a machine readable medium for designing, manufacturing, or testing a design. The design structure includes a substrate including a silicon layer. Furthermore, the design structure includes a metal layer on a bottom side of the silicon layer and a dielectric layer on a top side of the silicon layer. Additionally, the design structure includes a top-side interconnect of the through-silicon via bandpass filter on a surface of the dielectric layer and a plurality of contacts in the dielectric layer in contact with the top-side interconnect. Further, the design structure includes a plurality of through-silicon vias through the substrate and in contact with the plurality of contacts, respectively, and the metal layer.Type: GrantFiled: June 17, 2008Date of Patent: February 21, 2012Assignee: International Business Machines CorporationInventors: Amit Bavisi, Hanyi Ding, Guoan Wang, Wayne H. Woods, Jr., Jiansheng Xu
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Patent number: 7772124Abstract: A method for forming a through-silicon via bandpass filter includes forming a substrate comprising a silicon layer and providing a metal layer on a bottom side of the silicon layer. Additionally, the method includes providing a dielectric layer on a top side of the silicon layer and forming a top-side interconnect of the through-silicon via bandpass filter on a surface of the dielectric layer. Further, the method includes forming a plurality of contacts in the dielectric layer in contact with the top-side interconnect and forming a plurality through-silicon vias through the substrate and in contact with the plurality of contacts, respectively, and the metal layer.Type: GrantFiled: June 17, 2008Date of Patent: August 10, 2010Assignee: International Business Machines CorporationInventors: Amit Bavisi, Hanyi Ding, Guoan Wang, Wayne H. Woods, Jr., Jiansheng Xu
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Publication number: 20090309675Abstract: A design structure is embodied in a machine readable medium for designing, manufacturing, or testing a design. The design structure includes a substrate including a silicon layer. Furthermore, the design structure includes a metal layer on a bottom side of the silicon layer and a dielectric layer on a top side of the silicon layer. Additionally, the design structure includes a top-side interconnect of the through-silicon via bandpass filter on a surface of the dielectric layer and a plurality of contacts in the dielectric layer in contact with the top-side interconnect. Further, the design structure includes a plurality of through-silicon vias through the substrate and in contact with the plurality of contacts, respectively, and the metal layer.Type: ApplicationFiled: June 17, 2008Publication date: December 17, 2009Inventors: Amit Bavisi, Hanyi Ding, Guoan Wang, Wayne H. Woods, JR., Jiansheng Xu