Patents by Inventor Prashanth Makaram

Prashanth Makaram 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).

  • Patent number: 11908763
    Abstract: An apparatus includes a semiconductor-based substrate with a functional structure that is formed in or on the semiconductor-based substrate. The apparatus includes a frame structure surrounding the functional structure and includes a coating that covers the functional structure and is delimited by the frame structure.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: February 20, 2024
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Prashanth Makaram, John Cooper, Joerg Ortner, Stephan Pindl, Caterina Travan, Alexander Zoepfl
  • Patent number: 11899001
    Abstract: A method includes exposing gas sensitive material of a gas sensor device to different adjusted target gas concentrations, determining measurement values of the resistance of the gas sensitive material between first and second contact regions in response to the adjusted target gas concentration, determining a first gas sensor behavior model based on the measurement values of the resistance of the gas sensitive material as a function of the adjusted target gas concentration, translating the first gas sensor behavior model into a corresponding second gas sensor behavior model for the resistance of the gas sensitive material as a function of a control voltage, and sweeping the control voltage based on the second gas sensor behavior model over a control voltage range for providing control voltage dependent resistance data, wherein the control voltage dependent resistance data over the control voltage range form the calibration data for the gas sensor device.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: February 13, 2024
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Prashanth Makaram, Ulrich Krumbein
  • Patent number: 11656210
    Abstract: The present disclosure relates to a sensor device including a gas sensor disposed on a first substrate, a heating element disposed within the first substrate so that the gas sensor overlaps the heating element, a processor operatively coupled to the gas sensor and the heating element, and a memory storing a program to be executed by the processor. The gas sensor is configured to measure first sensor data points and second sensor data points. The program includes instructions for performing the following steps in real-time: recording first resistance values and second resistance values of the heating element; adjusting the second sensor data points using the first sensor data points, the first resistance values, and the second resistance values to obtain corrected sensor data points; and determining sensed values from the corrected sensor data points.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: May 23, 2023
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Prashanth Makaram, Abidin Güçlü Onaran
  • Patent number: 11536678
    Abstract: A gas sensing device includes gas sensors for generating signal samples corresponding to a concentration of a gas; a heat source for heating the gas sensors according to a first temperature profile during recovery phases and according to a second temperature profile during sense phases, a preprocessing processor for preprocessing the received signal samples; a feature extraction processor for extracting feature values from the preprocessed signal samples; a humidity processor for estimating a humidity value of the mixture of gases, including a first trained model based algorithm processor, and wherein the humidity value is based on an output of the first algorithm processor; a gas concentration processor for creating sensing results, wherein the gas concentration processor comprises a second trained model based algorithm processor, wherein the sensing results are based on output values of the second algorithm processor, and wherein the sensing results depend on the humidity value.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: December 27, 2022
    Assignee: Infineon Technologies AG
    Inventors: Prashanth Makaram, Cecilia Carbonelli, Caterina Travan
  • Publication number: 20220400620
    Abstract: The invention relates to a controlled environment agriculture for plant cultivation using artificial lights. The artificial lights comprise an array of light emitting diodes fabricated using gallium nitride, each gallium nitride operable over a wavelength of 380 nm to 900 nm. The array of light emitting diodes include at least one integrated drive controller and at least sensor. The controlled environment agriculture includes at least an imaging device and a control module. The control module comprises a machine learning module and an aggregator module configured connected to at least one sensor and at least one imaging device to aggregate various parameters including environmental data, and plant phenotyping data associated with the plants.
    Type: Application
    Filed: June 16, 2022
    Publication date: December 22, 2022
    Applicant: Crocus Labs GmbH
    Inventor: Prashanth MAKARAM
  • Publication number: 20220170898
    Abstract: The present disclosure relates to a sensor device including a gas sensor disposed on a first substrate, a heating element disposed within the first substrate so that the gas sensor overlaps the heating element, a processor operatively coupled to the gas sensor and the heating element, and a memory storing a program to be executed by the processor. The gas sensor is configured to measure first sensor data points and second sensor data points. The program includes instructions for performing the following steps in real-time: recording first resistance values and second resistance values of the heating element; adjusting the second sensor data points using the first sensor data points, the first resistance values, and the second resistance values to obtain corrected sensor data points; and determining sensed values from the corrected sensor data points.
    Type: Application
    Filed: February 18, 2022
    Publication date: June 2, 2022
    Inventors: Prashanth Makaram, Abidin Güçlü Onaran
  • Patent number: 11287405
    Abstract: A sensor device includes a gas sensor disposed on a first substrate, a heating element disposed within the first substrate, a processor operatively coupled to the gas sensor and the heating element, and a memory storing a program to be executed by the processor. The gas sensor is configured to measure first sensor data points and second sensor data points. The gas sensor overlaps the heating element. The program includes instructions for performing the following steps in real-time: recording first resistance values and second resistance values of the heating element; adjusting the second sensor data points using the first sensor data points, the first resistance values, and the second resistance values to obtain corrected sensor data points; and determining sensed values from the corrected sensor data points.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: March 29, 2022
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Prashanth Makaram, Abidin Güçlü Onaran
  • Publication number: 20220013424
    Abstract: An apparatus includes a semiconductor-based substrate with a functional structure that is formed in or on the semiconductor-based substrate. The apparatus includes a frame structure surrounding the functional structure and includes a coating that covers the functional structure and is delimited by the frame structure.
    Type: Application
    Filed: September 23, 2021
    Publication date: January 13, 2022
    Inventors: Prashanth Makaram, John Cooper, Joerg Ortner, Stephan Pindl, Caterina Travan, Alexander Zoepfl
  • Patent number: 11189539
    Abstract: An apparatus includes a semiconductor-based substrate with a functional structure that is formed in or on the semiconductor-based substrate. The apparatus includes a frame structure surrounding the functional structure and includes a coating that covers the functional structure and is delimited by the frame structure.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: November 30, 2021
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Prashanth Makaram, John Cooper, Joerg Ortner, Stephan Pindl, Caterina Travan, Alexander Zoepfl
  • Publication number: 20210285907
    Abstract: A gas sensing device includes gas sensors for generating signal samples corresponding to a concentration of a gas; a heat source for heating the gas sensors according to a first temperature profile during recovery phases and according to a second temperature profile during sense phases, a preprocessing processor for preprocessing the received signal samples; a feature extraction processor for extracting feature values from the preprocessed signal samples; a humidity processor for estimating a humidity value of the mixture of gases, including a first trained model based algorithm processor, and wherein the humidity value is based on an output of the first algorithm processor; a gas concentration processor for creating sensing results, wherein the gas concentration processor comprises a second trained model based algorithm processor, wherein the sensing results are based on output values of the second algorithm processor, and wherein the sensing results depend on the humidity value.
    Type: Application
    Filed: January 8, 2021
    Publication date: September 16, 2021
    Inventors: Prashanth Makaram, Cecilia Carbonelli, Caterina Travan
  • Publication number: 20210262981
    Abstract: A method of gas sensing performed by a processor electrically coupled to a gas sensor includes obtaining, by the gas sensor, a first electrical signal indicating a response of the gas sensor to a concentration of a target gas at the gas sensor, generating one or more second electrical signals according to the first electrical signal, determining a first condition in which the concentration at the gas sensor is increasing using the first electrical signal and the one or more electrical second signals, determining a second condition occurring after the first condition in which the concentration at the gas sensor is substantially constant using the first electrical signal and the one or more second electrical signals, and calculating a concentration value of the target gas according to the first electrical signal and the one or more second electrical signals. The calculating is performed while the concentration is substantially constant.
    Type: Application
    Filed: May 10, 2021
    Publication date: August 26, 2021
    Inventors: Cecilia Carbonelli, Prashanth Makaram
  • Patent number: 11035825
    Abstract: A method of gas sensing includes obtaining a first signal by a gas sensor, generating one or more second signals according to the first signal, and calculating a first weight value corresponding to the first signal. The first signal indicates a response of the gas sensor to a concentration of a target gas at the gas sensor. The method of gas sensing further includes calculating one or more second weight values corresponding to each of the one or more second signals and calculating an estimated concentration of the target gas at the gas sensor according to the first weight value and the one or more second weight values.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: June 15, 2021
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Cecilia Carbonelli, Prashanth Makaram
  • Publication number: 20200319153
    Abstract: A sensor device includes a gas sensor disposed on a first substrate, a heating element disposed within the first substrate, a processor operatively coupled to the gas sensor and the heating element, and a memory storing a program to be executed by the processor. The gas sensor is configured to measure first sensor data points and second sensor data points. The gas sensor overlaps the heating element. The program includes instructions for performing the following steps in real-time: recording first resistance values and second resistance values of the heating element; adjusting the second sensor data points using the first sensor data points, the first resistance values, and the second resistance values to obtain corrected sensor data points; and determining sensed values from the corrected sensor data points.
    Type: Application
    Filed: April 17, 2020
    Publication date: October 8, 2020
    Inventors: Prashanth Makaram, Abidin Güçlü Onaran
  • Patent number: 10677768
    Abstract: A method of sensing includes obtaining first sensor data points by a sensor, obtaining first reference data points, and determining a correlation between the first sensor data points and the first reference data points. The method of sensing further includes measuring second sensor data points by the sensor, obtaining second reference data points, and adjusting the second sensor data points using the correlation and the second reference data points to obtain corrected sensor data points. The method of sensing also includes determining sensed values from the corrected sensor data points and storing the sensed values.
    Type: Grant
    Filed: July 29, 2017
    Date of Patent: June 9, 2020
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Prashanth Makaram, Abidin Guclu Onaran
  • Publication number: 20200166492
    Abstract: A method includes exposing gas sensitive material of a gas sensor device to different adjusted target gas concentrations, determining measurement values of the resistance of the gas sensitive material between first and second contact regions in response to the adjusted target gas concentration, determining a first gas sensor behavior model based on the measurement values of the resistance of the gas sensitive material as a function of the adjusted target gas concentration, translating the first gas sensor behavior model into a corresponding second gas sensor behavior model for the resistance of the gas sensitive material as a function of a control voltage, and sweeping the control voltage based on the second gas sensor behavior model over a control voltage range for providing control voltage dependent resistance data, wherein the control voltage dependent resistance data over the control voltage range form the calibration data for the gas sensor device.
    Type: Application
    Filed: November 22, 2019
    Publication date: May 28, 2020
    Inventors: Prashanth Makaram, Ulrich Krumbein
  • Patent number: 10641626
    Abstract: In accordance with an embodiment, a MEMS sensor includes a membrane that is suspended from the substrate, a resonant frequency of said membrane being influenced by an ambient pressure that acts on the membrane; and an evaluation device configured to perform a first measurement based on the resonant frequency of the membrane to obtain a measurement result, where the evaluation device is configured to at least partly compensate an influence of the ambient pressure on the measurement result.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: May 5, 2020
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Christian Bretthauer, Alfons Dehe, Prashanth Makaram, Abidin Güçlü Onaran, Arnaud Walther
  • Publication number: 20190378776
    Abstract: An apparatus includes a semiconductor-based substrate with a functional structure that is formed in or on the semiconductor-based substrate. The apparatus includes a frame structure surrounding the functional structure and includes a coating that covers the functional structure and is delimited by the frame structure.
    Type: Application
    Filed: June 6, 2019
    Publication date: December 12, 2019
    Inventors: Prashanth Makaram, John Cooper, Joerg Ortner, Stephan Pindl, Caterina Travan, Alexander Zoepfl
  • Publication number: 20190145929
    Abstract: A method of gas sensing includes obtaining a first signal by a gas sensor, generating one or more second signals according to the first signal, and calculating a first weight value corresponding to the first signal. The first signal indicates a response of the gas sensor to a concentration of a target gas at the gas sensor. The method of gas sensing further includes calculating one or more second weight values corresponding to each of the one or more second signals and calculating an estimated concentration of the target gas at the gas sensor according to the first weight value and the one or more second weight values.
    Type: Application
    Filed: November 15, 2017
    Publication date: May 16, 2019
    Inventors: Cecilia Carbonelli, Prashanth Makaram
  • Publication number: 20190063968
    Abstract: In accordance with an embodiment, a MEMS sensor includes a membrane that is suspended from the substrate, a resonant frequency of said membrane being influenced by an ambient pressure that acts on the membrane; and an evaluation device configured to perform a first measurement based on the resonant frequency of the membrane to obtain a measurement result, where the evaluation device is configured to at least partly compensate an influence of the ambient pressure on the measurement result
    Type: Application
    Filed: August 21, 2018
    Publication date: February 28, 2019
    Inventors: Christian Bretthauer, Alfons Dehe, Prashanth Makaram, Abidin Güçlü Onaran, Arnaud Walther
  • Publication number: 20190033274
    Abstract: A method of sensing includes obtaining first sensor data points by a sensor, obtaining first reference data points, and determining a correlation between the first sensor data points and the first reference data points. The method of sensing further includes measuring second sensor data points by the sensor, obtaining second reference data points, and adjusting the second sensor data points using the correlation and the second reference data points to obtain corrected sensor data points. The method of sensing also includes determining sensed values from the corrected sensor data points and storing the sensed values.
    Type: Application
    Filed: July 29, 2017
    Publication date: January 31, 2019
    Inventors: Prashanth Makaram, Abidin Guclu Onaran