Patents by Inventor Ajit Rajagopalan

Ajit Rajagopalan 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: 11955809
    Abstract: An electrical system incorporating a single structure multiple mode antenna is described. The antenna is preferably constructed having a first inductor coil that is electrically connected in series with a second inductor coil. The antenna is constructed having a plurality of electrical connections positioned along the first and second inductor coils. A plurality of terminals is connected to the electrical connections that facilitate numerous electrical connections and enables the antenna to be selectively tuned to various frequencies and frequency bands.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: April 9, 2024
    Assignee: NuCurrent, Inc.
    Inventors: Vinit Singh, Alberto Peralta, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
  • Publication number: 20240039160
    Abstract: Various embodiments of a multi-mode antenna are described. The antenna is preferably constructed having a first inductor coil and a second inductor coil. A plurality of shielding materials are positioned throughout the antenna to minimize interference of the magnetic fields that emanate from the coils from surrounding materials. The antenna comprises a coil control circuit having at least one of an electric filter and an electrical switch configured to modify the electrical impedance of either or both the first and second coils.
    Type: Application
    Filed: June 2, 2023
    Publication date: February 1, 2024
    Inventors: Vinit Singh, Ajit Rajagopalan, Alberto Peralta, Md. Nazmul Alam, Christine A. Frysz, Jason Luzinski, Glenn Riese, Jacob Babcock, Pavel Shostak
  • Patent number: 11769629
    Abstract: A method of providing a single structure multiple mode antenna is described. The antenna is preferably constructed having a first inductor coil that is electrically connected in series with a second inductor coil. The antenna is constructed having a plurality of electrical connections positioned along the first and second inductor coils. A plurality of terminals is connected to the electrical connections that facilitate numerous electrical connections and enables the antenna to be selectively tuned to various frequencies and frequency bands.
    Type: Grant
    Filed: October 10, 2022
    Date of Patent: September 26, 2023
    Assignee: NuCurrent, Inc.
    Inventors: Alberto Peralta, Vinit Singh, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
  • Patent number: 11670856
    Abstract: Various embodiments of a multi-mode antenna are described. The antenna is preferably constructed having a first inductor coil and a second inductor coil. A plurality of shielding materials are positioned throughout the antenna to minimize interference of the magnetic fields that emanate from the coils from surrounding materials. The antenna comprises a coil control circuit having at least one of an electric filter and an electrical switch configured to modify the electrical impedance of either or both the first and second coils.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: June 6, 2023
    Assignee: NUCURRENT, INC.
    Inventors: Vinit Singh, Ajit Rajagopalan, Alberto Peralta, Md. Nazmul Alam, Christine A. Frysz, Jason Luzinski, Glenn Riese, Jacob Babcock, Pavel Shostak
  • Publication number: 20230109147
    Abstract: A method of providing a single structure multiple mode antenna is described. The antenna is preferably constructed having a first inductor coil that is electrically connected in series with a second inductor coil. The antenna is constructed having a plurality of electrical connections positioned along the first and second inductor coils. A plurality of terminals is connected to the electrical connections that facilitate numerous electrical connections and enables the antenna to be selectively tuned to various frequencies and frequency bands.
    Type: Application
    Filed: October 10, 2022
    Publication date: April 6, 2023
    Inventors: Alberto Peralta, Vinit Singh, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
  • Patent number: 11502547
    Abstract: A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: November 15, 2022
    Assignee: NuCurrent, Inc.
    Inventors: Alberto Peralta, Md. Nazmul Alam, Ajit Rajagopalan, Jacob D. Babcock, Christine A. Frysz, Vinit Singh
  • Publication number: 20220344818
    Abstract: Various embodiments of a multi-mode antenna are described. The antenna is preferably constructed having a first inductor coil and a second inductor coil. A plurality of shielding materials are positioned throughout the antenna to minimize interference of the magnetic fields that emanate from the coils from surrounding materials. The antenna comprises a coil control circuit having at least one of an electric filter and an electrical switch configured to modify the electrical impedance of either or both the first and second coils.
    Type: Application
    Filed: April 22, 2022
    Publication date: October 27, 2022
    Inventors: Vinit Singh, Ajit Rajagopalan, Alberto Peralta, Md. Nazmul Alam, Christine A. Frysz, Jason Luzinski, Glenn Riese, Jacob Babcock, Pavel Shostak
  • Patent number: 11469598
    Abstract: A method of providing a single structure multiple mode antenna is described. The antenna is preferably constructed having a first inductor coil that is electrically connected in series with a second inductor coil. The antenna is constructed having a plurality of electrical connections positioned along the first and second inductor coils. A plurality of terminals is connected to the electrical connections that facilitate numerous electrical connections and enables the antenna to be selectively tuned to various frequencies and frequency bands.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: October 11, 2022
    Assignee: NuCurrent, Inc.
    Inventors: Alberto Peralta, Vinit Singh, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
  • Patent number: 11336120
    Abstract: A wireless power transfer system for wirelessly powering a conveyance apparatus of a conveyance system including: a wireless electrical power transmitter located along a side of the conveyance system in a first location, the side being stationary; and a wireless electrical power receiver located along a surface of the conveyance apparatus opposite the side, the wireless electrical power receiver and the wireless electrical power transmitter being in a facing spaced relationship defining a gap therebetween when the wireless electrical power receiver is located at the first location.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: May 17, 2022
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Suman Dwari, Ajit Rajagopalan, Stephen Savulak, Goran Djuknic, Parikshith B. Channegowda, Enrico Manes
  • Patent number: 11316271
    Abstract: Various embodiments of a multi-mode antenna are described. The antenna is preferably constructed having a first inductor coil and a second inductor coil. A plurality of shielding materials are positioned throughout the antenna to minimize interference of the magnetic fields that emanate from the coils from surrounding materials. The antenna comprises a coil control circuit having at least one of an electric filter and an electrical switch configured to modify the electrical impedance of either or both the first and second coils.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: April 26, 2022
    Assignee: NuCurrent, Inc.
    Inventors: Vinit Singh, Ajit Rajagopalan, Alberto Peralta, Md. Nazmul Alam, Christine A. Frysz, Jason Luzinski, Glenn Riese, Jacob Babcock, Pavel Shostak
  • Patent number: 11299370
    Abstract: A tension member for an elevator system includes one or more tension elements extending along a length of the tension member, and one or more a wave guide regions secured to at least one surface of the tension member or integral to the tension member and extending along the length of the tension member. The one or more wave guide regions are configured for transmission of a radio frequency (RF) data signal along the one or more wave guide regions.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: April 12, 2022
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Ajit Rajagopalan, Joseph V. Mantese, Brian L. McCabe, Daniel A. Mosher, Brad Guilani
  • Patent number: 11264837
    Abstract: A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: March 1, 2022
    Assignee: NuCurrent, Inc.
    Inventors: Alberto Peralta, Md. Nazmul Alam, Ajit Rajagopalan, Christine A. Frysz, Vinit Singh
  • Patent number: 11228208
    Abstract: A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: January 18, 2022
    Assignee: NuCurrent, Inc.
    Inventors: Alberto Peralta, Md. Nazmul Alam, Ajit Rajagopalan, Christine A. Frysz, Vinit Singh
  • Patent number: 11223234
    Abstract: A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: January 11, 2022
    Assignee: NuCurrent, Inc.
    Inventors: Alberto Peralta, Md. Nazmul Alam, Vinit Singh, Christine A. Frysz, Ajit Rajagopalan, Jacob Babcock
  • Publication number: 20210408686
    Abstract: Various embodiments of a multi-mode antenna are described. The antenna is preferably constructed having a first inductor coil and a second inductor coil. A plurality of shielding materials are positioned throughout the antenna to minimize interference of the magnetic fields that emanate from the coils from surrounding materials. The antenna comprises a coil control circuit having at least one of an electric filter and an electrical switch configured to modify the electrical impedance of either or both the first and second coils.
    Type: Application
    Filed: February 12, 2021
    Publication date: December 30, 2021
    Inventors: Vinit Singh, Ajit Rajagopalan, Alberto Peralta, Md. Nazmul Alam, Christine A. Frysz, Jason Luzinski, Glenn Riese, Jacob Babcock, Pavel Shostak
  • Patent number: 11205849
    Abstract: A method of providing a single structure multiple mode antenna having a unitary body construction is described. The antenna is preferably constructed having a first inductor coil portion that is electrically connected in series with a second inductor coil portion. The antenna is constructed having a plurality of electrical connections positioned along the first and second inductor coils. A plurality of terminals facilitates connection of the electrical connections having numerous electrical connection configurations and enables the antenna to be selectively tuned to various frequencies and frequency bands.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: December 21, 2021
    Assignee: NuCurrent, Inc.
    Inventors: Alberto Peralta, Vinit Singh, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
  • Patent number: 11205848
    Abstract: A method of providing a single structure multiple mode antenna having a unitary body construction is described. The antenna is preferably constructed having a first inductor coil portion that is electrically connected in series with a second inductor coil portion. The antenna is constructed having a plurality of electrical connections positioned along the first and second inductor coils. A plurality of terminals facilitates connection of the electrical connections having numerous electrical connection configurations and enables the antenna to be selectively tuned to various frequencies and frequency bands.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: December 21, 2021
    Assignee: NuCurrent, Inc.
    Inventors: Alberto Peralta, Vinit Singh, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
  • Patent number: 11196266
    Abstract: A method of providing a single structure multiple mode antenna is described. The antenna is preferably constructed having a first inductor coil that is electrically connected in series with a second inductor coil. The antenna is constructed having a plurality of electrical connections positioned along the first and second inductor coils. A plurality of terminals is connected to the electrical connections that facilitate numerous electrical connections and enables the antenna to be selectively tuned to various frequencies and frequency bands.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: December 7, 2021
    Assignee: NuCurrent, Inc.
    Inventors: Alberto Peralta, Vinit Singh, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
  • Patent number: 11196297
    Abstract: A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: December 7, 2021
    Assignee: NuCurrent, Inc.
    Inventors: Alberto Peralta, Md. Nazmul Alam, Ajit Rajagopalan, Christine A. Frysz, Vinit Singh
  • Patent number: 11190048
    Abstract: A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: November 30, 2021
    Assignee: NuCurrent, Inc.
    Inventors: Alberto Peralta, Md. Nazmul Alam, Vinit Singh, Christine A. Frysz, Ajit Rajagopalan, Jacob Babcock