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).
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Patent number: 11955809Abstract: 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: GrantFiled: August 28, 2018Date of Patent: April 9, 2024Assignee: NuCurrent, Inc.Inventors: Vinit Singh, Alberto Peralta, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
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Publication number: 20240039160Abstract: 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: ApplicationFiled: June 2, 2023Publication date: February 1, 2024Inventors: Vinit Singh, Ajit Rajagopalan, Alberto Peralta, Md. Nazmul Alam, Christine A. Frysz, Jason Luzinski, Glenn Riese, Jacob Babcock, Pavel Shostak
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Patent number: 11769629Abstract: 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: GrantFiled: October 10, 2022Date of Patent: September 26, 2023Assignee: NuCurrent, Inc.Inventors: Alberto Peralta, Vinit Singh, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
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Patent number: 11670856Abstract: 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: GrantFiled: April 22, 2022Date of Patent: June 6, 2023Assignee: NUCURRENT, INC.Inventors: Vinit Singh, Ajit Rajagopalan, Alberto Peralta, Md. Nazmul Alam, Christine A. Frysz, Jason Luzinski, Glenn Riese, Jacob Babcock, Pavel Shostak
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Publication number: 20230109147Abstract: 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: ApplicationFiled: October 10, 2022Publication date: April 6, 2023Inventors: Alberto Peralta, Vinit Singh, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
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Patent number: 11502547Abstract: 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: GrantFiled: February 13, 2018Date of Patent: November 15, 2022Assignee: NuCurrent, Inc.Inventors: Alberto Peralta, Md. Nazmul Alam, Ajit Rajagopalan, Jacob D. Babcock, Christine A. Frysz, Vinit Singh
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Publication number: 20220344818Abstract: 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: ApplicationFiled: April 22, 2022Publication date: October 27, 2022Inventors: Vinit Singh, Ajit Rajagopalan, Alberto Peralta, Md. Nazmul Alam, Christine A. Frysz, Jason Luzinski, Glenn Riese, Jacob Babcock, Pavel Shostak
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Patent number: 11469598Abstract: 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: GrantFiled: December 6, 2019Date of Patent: October 11, 2022Assignee: NuCurrent, Inc.Inventors: Alberto Peralta, Vinit Singh, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
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Patent number: 11336120Abstract: 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: GrantFiled: December 9, 2019Date of Patent: May 17, 2022Assignee: OTIS ELEVATOR COMPANYInventors: Suman Dwari, Ajit Rajagopalan, Stephen Savulak, Goran Djuknic, Parikshith B. Channegowda, Enrico Manes
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Patent number: 11316271Abstract: 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: GrantFiled: February 12, 2021Date of Patent: April 26, 2022Assignee: NuCurrent, Inc.Inventors: Vinit Singh, Ajit Rajagopalan, Alberto Peralta, Md. Nazmul Alam, Christine A. Frysz, Jason Luzinski, Glenn Riese, Jacob Babcock, Pavel Shostak
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Patent number: 11299370Abstract: 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: GrantFiled: June 29, 2018Date of Patent: April 12, 2022Assignee: OTIS ELEVATOR COMPANYInventors: Ajit Rajagopalan, Joseph V. Mantese, Brian L. McCabe, Daniel A. Mosher, Brad Guilani
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Patent number: 11264837Abstract: 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: GrantFiled: February 13, 2018Date of Patent: March 1, 2022Assignee: NuCurrent, Inc.Inventors: Alberto Peralta, Md. Nazmul Alam, Ajit Rajagopalan, Christine A. Frysz, Vinit Singh
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Patent number: 11228208Abstract: 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: GrantFiled: February 13, 2018Date of Patent: January 18, 2022Assignee: NuCurrent, Inc.Inventors: Alberto Peralta, Md. Nazmul Alam, Ajit Rajagopalan, Christine A. Frysz, Vinit Singh
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Patent number: 11223234Abstract: 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: GrantFiled: February 13, 2018Date of Patent: January 11, 2022Assignee: NuCurrent, Inc.Inventors: Alberto Peralta, Md. Nazmul Alam, Vinit Singh, Christine A. Frysz, Ajit Rajagopalan, Jacob Babcock
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Publication number: 20210408686Abstract: 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: ApplicationFiled: February 12, 2021Publication date: December 30, 2021Inventors: Vinit Singh, Ajit Rajagopalan, Alberto Peralta, Md. Nazmul Alam, Christine A. Frysz, Jason Luzinski, Glenn Riese, Jacob Babcock, Pavel Shostak
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Patent number: 11205849Abstract: 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: GrantFiled: October 28, 2020Date of Patent: December 21, 2021Assignee: NuCurrent, Inc.Inventors: Alberto Peralta, Vinit Singh, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
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Patent number: 11205848Abstract: 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: GrantFiled: August 7, 2015Date of Patent: December 21, 2021Assignee: NuCurrent, Inc.Inventors: Alberto Peralta, Vinit Singh, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
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Patent number: 11196266Abstract: 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: GrantFiled: December 6, 2019Date of Patent: December 7, 2021Assignee: NuCurrent, Inc.Inventors: Alberto Peralta, Vinit Singh, Ajit Rajagopalan, Jason Luzinski, Jacob Babcock, Christine A. Frysz
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Patent number: 11196297Abstract: 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: GrantFiled: February 13, 2018Date of Patent: December 7, 2021Assignee: NuCurrent, Inc.Inventors: Alberto Peralta, Md. Nazmul Alam, Ajit Rajagopalan, Christine A. Frysz, Vinit Singh
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Patent number: 11190048Abstract: 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: GrantFiled: February 13, 2018Date of Patent: November 30, 2021Assignee: NuCurrent, Inc.Inventors: Alberto Peralta, Md. Nazmul Alam, Vinit Singh, Christine A. Frysz, Ajit Rajagopalan, Jacob Babcock