Patents by Inventor Jaykrishna A. Shukla
Jaykrishna A. Shukla 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: 10694613Abstract: A load control system may include control devices for controlling electrical loads. The control devices may include load control devices, such as a lighting device for controlling an amount of power provided to a lighting load, and controller devices, such as a remote control device configured to transmit digital messages for controlling the lighting load via the load control device. The remote control device may communicate with the lighting devices via a hub device. The remote control device may detect a user interface event, such as a button press or a rotation of the remote control device. The remote control device or the hub device may determine whether to transmit digital messages as unicast messages or multicast messages based on the type of user interface event detected. The remote control device, or other master device, may synchronize and/or toggle an on/off state of lighting devices in the load control system.Type: GrantFiled: July 22, 2019Date of Patent: June 23, 2020Assignee: Lutron Technology Company LLCInventors: Timothy Mann, Robert C. Newman, Jr., Thomas Lee Olson, Jaykrishna A. Shukla
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Patent number: 10624184Abstract: A load control system may include control devices for controlling electrical loads. The control devices may include load control devices, such as a lighting device for controlling an amount of power provided to a lighting load, and controller devices, such as a remote control device configured to transmit digital messages for controlling the lighting load via the load control device. The remote control device may communicate with the lighting devices via a hub device. The remote control device may detect a user interface event, such as a button press or a rotation of the remote control device. The remote control device or the hub device may determine whether to transmit digital messages as unicast messages or multicast messages based on the type of user interface event detected. The remote control device, or other master device, may synchronize and/or toggle an on/off state of lighting devices in the load control system.Type: GrantFiled: May 28, 2019Date of Patent: April 14, 2020Assignee: Lutron Technology Company LLCInventors: Robert C. Newman, Jr., Shan Shi, Jaykrishna A. Shukla
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Patent number: 10593373Abstract: A load control device may include a semiconductor switch, a control circuit, and first and second terminals adapted to be coupled to a remote device. The load control device may include a first switching circuit coupled to the second terminal, and a second switching circuit coupled between the first terminal and the second terminal. The control circuit may be configured to render the first switching circuit conductive to conduct a charging current from an AC power source to a power supply of the remote device during a first time period of a half-cycle of the AC power source, and further configured to render the first and second switching circuits conductive and non-conductive to communicate with the remote device via the second terminal during a second time period of the half-cycle of the AC power source.Type: GrantFiled: November 2, 2018Date of Patent: March 17, 2020Assignee: Lutron Technology Company LLCInventors: Russell Weightman, Jonathan T. Lenz, Jaykrishna A. Shukla, Daniel Curtis Raneri
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Publication number: 20200045799Abstract: A load control system may include control devices for controlling electrical loads. The control devices may include load control devices, such as a lighting device for controlling an amount of power provided to a lighting load, and input devices, such as a remote control device configured to transmit digital messages comprising lighting control instructions for controlling the lighting load via the lighting device. The remote control device may communicate with the lighting device via an intermediary device, such as a hub device. The remote control device may detect a user interface event, such as a button press or a rotation of the remote control device. The remote control device or the hub device may determine whether to transmit digital messages to as unicast messages or multicast messages based on the type of user interface event detected.Type: ApplicationFiled: August 16, 2019Publication date: February 6, 2020Applicant: Lutron Technology Company LLCInventors: Benjamin F. Bard, Thomas Lee Olson, David T. Saveri, III, Jaykrishna A. Shukla
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Publication number: 20200015341Abstract: A load control system may include control devices for controlling electrical loads. The control devices may include load control devices, such as a lighting device for controlling an amount of power provided to a lighting load, and controller devices, such as a remote control device configured to transmit digital messages for controlling the lighting load via the load control device. The remote control device may communicate with the lighting devices via a hub device. The remote control device may detect a user interface event, such as a button press or a rotation of the remote control device. The remote control device or the hub device may determine whether to transmit digital messages as unicast messages or multicast messages based on the type of user interface event detected. The remote control device, or other master device, may synchronize and/or toggle an on/off state of lighting devices in the load control system.Type: ApplicationFiled: July 22, 2019Publication date: January 9, 2020Applicant: Lutron Technology Company LLCInventors: Timothy Mann, Robert C. Newman, JR., Thomas Lee Olson, Jaykrishna A. Shukla
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Publication number: 20190297713Abstract: A load control system may include control devices for controlling electrical loads. The control devices may include load control devices, such as a lighting device for controlling an amount of power provided to a lighting load, and controller devices, such as a remote control device configured to transmit digital messages for controlling the lighting load via the load control device. The remote control device may communicate with the lighting devices via a hub device. The remote control device may detect a user interface event, such as a button press or a rotation of the remote control device. The remote control device or the hub device may determine whether to transmit digital messages as unicast messages or multicast messages based on the type of user interface event detected. The remote control device, or other master device, may synchronize and/or toggle an on/off state of lighting devices in the load control system.Type: ApplicationFiled: May 28, 2019Publication date: September 26, 2019Applicant: Lutron Technology Company LLCInventors: Robert C. Newman, JR., Shan Shi, Jaykrishna A. Shukla
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Patent number: 10426017Abstract: A load control system may include control devices for controlling electrical loads. The control devices may include load control devices, such as a lighting device for controlling an amount of power provided to a lighting load, and input devices, such as a remote control device configured to transmit digital messages comprising lighting control instructions for controlling the lighting load via the lighting device. The remote control device may communicate with the lighting device via an intermediary device, such as a hub device. The remote control device may detect a user interface event, such as a button press or a rotation of the remote control device. The remote control device or the hub device may determine whether to transmit digital messages to as unicast messages or multicast messages based on the type of user interface event detected.Type: GrantFiled: July 5, 2017Date of Patent: September 24, 2019Assignee: Lutron Technology Company LLCInventors: Benjamin F. Bard, Thomas Lee Olson, David T. Saveri, III, Jaykrishna A. Shukla
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Patent number: 10420194Abstract: A load control system may include control devices for controlling electrical loads. The control devices may include load control devices, such as a lighting device for controlling an amount of power provided to a lighting load, and controller devices, such as a remote control device configured to transmit digital messages for controlling the lighting load via the load control device. The remote control device may communicate with the lighting devices via a hub device. The remote control device may detect a user interface event, such as a button press or a rotation of the remote control device. The remote control device or the hub device may determine whether to transmit digital messages as unicast messages or multicast messages based on the type of user interface event detected. The remote control device, or other master device, may synchronize and/or toggle an on/off state of lighting devices in the load control system.Type: GrantFiled: October 20, 2017Date of Patent: September 17, 2019Assignee: Lutron Technology Company LLCInventors: Timothy Mann, Robert C. Newman, Jr., Thomas Lee Olson, Jaykrishna A. Shukla
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Patent number: 10342103Abstract: A load control system may include control devices for controlling electrical loads. The control devices may include load control devices, such as a lighting device for controlling an amount of power provided to a lighting load, and controller devices, such as a remote control device configured to transmit digital messages for controlling the lighting load via the load control device. The remote control device may communicate with the lighting devices via a hub device. The remote control device may detect a user interface event, such as a button press or a rotation of the remote control device. The remote control device or the hub device may determine whether to transmit digital messages as unicast messages or multicast messages based on the type of user interface event detected. The remote control device, or other master device, may synchronize and/or toggle an on/off state of lighting devices in the load control system.Type: GrantFiled: October 20, 2017Date of Patent: July 2, 2019Assignee: Lutron Technology Company LLCInventors: Robert C. Newman, Jr., Shan Shi, Jaykrishna A. Shukla
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Publication number: 20190156867Abstract: A load control device may include a semiconductor switch, a control circuit, and first and second terminals adapted to be coupled to a remote device. The load control device may include a first switching circuit coupled to the second terminal, and a second switching circuit coupled between the first terminal and the second terminal. The control circuit may be configured to render the first switching circuit conductive to conduct a charging current from an AC power source to a power supply of the remote device during a first time period of a half-cycle of the AC power source, and further configured to render the first and second switching circuits conductive and non-conductive to communicate with the remote device via the second terminal during a second time period of the half-cycle of the AC power source.Type: ApplicationFiled: November 2, 2018Publication date: May 23, 2019Applicant: Lutron Electronics Co., Inc.Inventors: Russell Weightman, Jonathan T. Lenz, Jaykrishna A. Shukla, Daniel Curtis Raneri
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Publication number: 20190159323Abstract: A multiple location load control system comprises a main device and remote devices, which do not require neutral connections, but allow for visual and audible feedback at the main device and the remote devices. The main device and the remote devices are adapted to be coupled together via an accessory wiring. The main device can be wired on the line side and the load side of the load control system. The main device is configured to enable a charging path to allow the remote devices to charge power supplies through the accessory wiring during a first time period of a half cycle of the AC power source. The main device and the remote devices are configured to communicate with each other via the accessory wiring during a second time period of the half cycle, for example, by actively pulling-up and actively pulling-down the accessory wiring to communicate using tri-state logic.Type: ApplicationFiled: January 27, 2019Publication date: May 23, 2019Applicant: Lutron Electronics Co., Inc.Inventors: Ehsan Dadashnialehi, Robert C. Newman, JR., Daniel Curtis Raneri, Jaykrishna A. Shukla
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Publication number: 20190150252Abstract: Provided herein are examples of a remote control device that provides a retrofit solution for an existing switched control system. The remote control device may comprise a control circuit, a rotatable portion, a magnetic ring coupled to the rotatable portion, and first and second Hall-effect sensor circuits configured to generate respective first and second sensor control signals in response to magnetic fields generated by the magnetic elements. The control circuit may operate in a normal mode when the rotatable portion is being rotated, and in a reduced-power mode when the rotatable portion is not being rotated. The control circuit may disable the second Hall-effect sensor circuit in the reduced-power mode. The control circuit may detect movement of the rotatable portion in response to the first sensor control signal in the reduced-power mode and enable the second Hall-effect sensor circuit in response to detecting movement of the rotatable portion.Type: ApplicationFiled: January 10, 2019Publication date: May 16, 2019Applicant: Lutron Electronics Co., Inc.Inventors: Matthew V. Harte, Jeffrey S. Hayes, Stephen M. Ludwig, JR., Robert C. Newman, JR., Jaykrishna A. Shukla
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Patent number: 10219359Abstract: A remote control device may provide a retrofit solution for an existing switched control system. The remote control device may comprise a control circuit, a rotatable portion, a magnetic ring coupled to the rotatable portion, and first and second Hall-effect sensor circuits configured to generate respective first and second sensor control signals in response to magnetic fields generated by the magnetic elements. The control circuit may operate in a normal mode when the rotatable portion is being rotated, and in a reduced-power mode when the rotatable portion is not being rotated. The control circuit may disable the second Hall-effect sensor circuit in the reduced-power mode. The control circuit may detect movement of the rotatable portion in response to the first sensor control signal in the reduced-power mode and enable the second Hall-effect sensor circuit in response to detecting movement of the rotatable portion.Type: GrantFiled: October 20, 2017Date of Patent: February 26, 2019Assignee: LUTRON ELECTRONICS CO., INC.Inventors: Matthew V. Harte, Jeffrey S. Hayes, Stephen M. Ludwig, Jr., Robert C. Newman, Jr., Jaykrishna A. Shukla
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Patent number: 10194510Abstract: A multiple location load control system comprises a main device and remote devices, which do not require neutral connections, but allow for visual and audible feedback at the main device and the remote devices. The main device and the remote devices are adapted to be coupled together via an accessory wiring. The main device can be wired on the line side and the load side of the load control system. The main device is configured to enable a charging path to allow the remote devices to charge power supplies through the accessory wiring during a first time period of a half cycle of the AC power source. The main device and the remote devices are configured to communicate with each other via the accessory wiring during a second time period of the half cycle, for example, by actively pulling-up and actively pulling-down the accessory wiring to communicate using tri-state logic.Type: GrantFiled: May 1, 2017Date of Patent: January 29, 2019Assignee: LUTRON ELECTRONICS CO., INC.Inventors: Ehsan Dadashnialehi, Robert C. Newman, Jr., Daniel Curtis Raneri, Jaykrishna A. Shukla
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Publication number: 20180331572Abstract: A load control device may be used to control and deliver power to an electrical load. The load control device may comprise a control circuit for controlling the power delivered to the electrical load. The load control device may comprise multiple actuators, where each of the actuators is connected between a terminal of the control circuit and a current regulating device. The number of the actuators may be greater than the number of the terminals. The control circuit may measure signals at the terminals and determine a state configuration for the actuators based on the measured signals. The control circuit may compare the state configuration to a predetermined dataset to detect a ghosting condition.Type: ApplicationFiled: May 11, 2018Publication date: November 15, 2018Applicant: Lutron Electronics Co., Inc.Inventor: Jaykrishna A. Shukla
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Patent number: 10129948Abstract: A load control device may include a semiconductor switch, a control circuit, and first and second terminals adapted to be coupled to a remote device. The load control device may include a first switching circuit coupled to the second terminal, and a second switching circuit coupled between the first terminal and the second terminal. The control circuit may be configured to render the first switching circuit conductive to conduct a charging current from an AC power source to a power supply of the remote device during a first time period of a half-cycle of the AC power source, and further configured to render the first and second switching circuits conductive and non-conductive to communicate with the remote device via the second terminal during a second time period of the half-cycle of the AC power source.Type: GrantFiled: June 2, 2017Date of Patent: November 13, 2018Assignee: LUTRON ELECTRONICS CO., INC.Inventors: Russell Weightman, Jonathan T. Lenz, Jaykrishna A. Shukla, Daniel Curtis Raneri
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Publication number: 20180228006Abstract: A scalable, distributed load control system for home automation based on a network of microphones may include control devices (e.g., load control devices) that may include microphones for monitoring the system and communicating audio data to a cloud server for processing. The control devices of the load control system may receive a single voice command and may be configured to choose one of the load control devices to transmit the voice command to the cloud server. The load control devices may be configured to receive a voice command, control a connected load according to the voice command if the voice command is a validated command, and transmit the voice command to a voice service in the cloud if the voice command is not a validated command. The voice service to which the load control devices transmit audio data to may be selectable.Type: ApplicationFiled: February 7, 2018Publication date: August 9, 2018Applicant: Lutron Electronics Co., Inc.Inventors: Rhodes B. Baker, Matthew V. Harte, Jeffrey Karc, Galen E. Knode, John B. Nill, Jaykrishna A. Shukla
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Publication number: 20180116039Abstract: Provided herein are examples of a remote control device that provides a retrofit solution for an existing switched control system. The remote control device may comprise a control circuit, a rotatable portion, a magnetic ring coupled to the rotatable portion, and first and second Hall-effect sensor circuits configured to generate respective first and second sensor control signals in response to magnetic fields generated by the magnetic elements. The control circuit may operate in a normal mode when the rotatable portion is being rotated, and in a reduced-power mode when the rotatable portion is not being rotated. The control circuit may disable the second Hall-effect sensor circuit in the reduced-power mode. The control circuit may detect movement of the rotatable portion in response to the first sensor control signal in the reduced-power mode and enable the second Hall-effect sensor circuit in response to detecting movement of the rotatable portion.Type: ApplicationFiled: October 20, 2017Publication date: April 26, 2018Applicant: Lutron Electronics Co., Inc.Inventors: Matthew V. Harte, Jeffrey S. Hayes, Stephen M. Luwig, JR., Robert C. Newman, JR., Jaykrishna A. Shukla
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Publication number: 20180116040Abstract: A load control system may include control devices for controlling electrical loads. The control devices may include load control devices, such as a lighting device for controlling an amount of power provided to a lighting load, and controller devices, such as a remote control device configured to transmit digital messages for controlling the lighting load via the load control device. The remote control device may communicate with the lighting devices via a hub device. The remote control device may detect a user interface event, such as a button press or a rotation of the remote control device. The remote control device or the hub device may determine whether to transmit digital messages as unicast messages or multicast messages based on the type of user interface event detected. The remote control device, or other master device, may synchronize and/or toggle an on/off state of lighting devices in the load control system.Type: ApplicationFiled: October 20, 2017Publication date: April 26, 2018Applicant: Lutron Electronics Co., Inc.Inventors: Timothy Mann, Robert C. Newman, JR., Thomas Lee Olson, Jaykrishna A. Shukla
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Publication number: 20180114434Abstract: A load control system may include control devices for controlling electrical loads. The control devices may include load control devices, such as a lighting device for controlling an amount of power provided to a lighting load, and controller devices, such as a remote control device configured to transmit digital messages for controlling the lighting load via the load control device. The remote control device may communicate with the lighting devices via a hub device. The remote control device may detect a user interface event, such as a button press or a rotation of the remote control device. The remote control device or the hub device may determine whether to transmit digital messages as unicast messages or multicast messages based on the type of user interface event detected. The remote control device, or other master device, may synchronize and/or toggle an on/off state of lighting devices in the load control system.Type: ApplicationFiled: October 20, 2017Publication date: April 26, 2018Inventors: Robert C. Newman, JR., Shan Shi, Jaykrishna A. Shukla