Patents by Inventor Raghu Ramaiah
Raghu Ramaiah 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: 11910763Abstract: A horticultural lighting fixture including a light bar including a plurality of solid state light sources arranged in a linear array along a longitudinal axis of the light bar; and a light bar support structure that couples with the light bar to support the light bar in a fixed spaced relationship with the light support structure, the light bar support structure including at least two fasteners at opposing terminal ends of the light bar support structure to attach to a vertical support.Type: GrantFiled: June 10, 2021Date of Patent: February 27, 2024Assignee: CURRENT LIGHTING SOLUTIONS, LLCInventors: Raghu Ramaiah, Mark Kaminski, Jonathan Meyer
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Publication number: 20240057529Abstract: A horticultural lighting fixture including a light bar including a plurality of solid state light sources arranged in a linear array along a longitudinal axis of the light bar; and a light bar support structure that couples with the light bar to support the light bar in a fixed spaced relationship with the light support structure, the light bar support structure including at least two fasteners at opposing terminal ends of the light bar support structure to attach to a vertical support.Type: ApplicationFiled: October 31, 2023Publication date: February 22, 2024Inventors: Raghu RAMAIAH, Mark KAMINSKI, Jonathan MEYER
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Publication number: 20230119599Abstract: A horticultural lighting fixture including a light bar including a plurality of solid state light sources arranged in a linear array along a longitudinal axis of the light bar; and a light bar support structure that couples with the light bar to support the light bar in a fixed spaced relationship with the light support structure, the light bar support structure including at least two fasteners at opposing terminal ends of the light bar support structure to attach to a vertical support.Type: ApplicationFiled: June 10, 2021Publication date: April 20, 2023Inventors: Raghu RAMAIAH, Mark KAMINSKL, Jonathan MEYER
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Patent number: 11310880Abstract: An LED lamp includes a housing having an endcap, an optical portion, and components located within the housing, the components including a plurality of LED segments and a reconfiguration circuit configured to route LED segment electrical connections from a serial to a parallel mode, an LED driver circuit, a line sense circuit to detect presence/absence of AC line voltage, and a rechargeable battery connected to a boost driver circuit to provide electrical power to the LED light source in the absence of line voltage, and a control processor to monitor and control one or more of the plurality of components. The LED lamp configured to illuminate all LED segments irrespective of the presence or absence of the line voltage.Type: GrantFiled: May 11, 2018Date of Patent: April 19, 2022Assignee: Savant Technologies LLCInventors: Raghu Ramaiah, James William Firis, Morgan Lane McMahon
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Patent number: 11112065Abstract: A HID solid state retrofit lamp includes a circumferential array of solid state light sources mounted on circuit boards, a heat sink located in the lamp's interior volume, and a fan positioned in the interior volume to force airflow across the heat sink. A capper assembly includes at least one aperture to vent the interior volume, and an intermediate circuit board within the capper assembly. The intermediate circuit board distributes electrical power to the circuit boards by tabs and contacts extending from the boards that are mechanically bonded together. An optical transmissive shield is positioned exterior to the circumferential array, and can include prismatic structures to direct light emitted from the LED sources in an off axis direction.Type: GrantFiled: August 21, 2020Date of Patent: September 7, 2021Assignee: CURRENT LIGHTING SOLUTIONS, LLCInventors: Raghu Ramaiah, Thomas Alexander Knapp, Benjamin Lee Yoder, James William Firis
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Patent number: 11085590Abstract: The present disclosure includes an LED lamp assembly comprising a glass envelope, an LED platform supported by a stem arrangement disposed within the envelope, a base hermetically sealed to the envelope, a gas disposed within the envelope providing thermal conductivity between the LED platform and the envelope, and a getter disposed within the envelope for absorbing volatile organic compounds. The lamp may maintain a ratio of helium to oxygen that achieves both an acceptable thermal conductivity and an acceptable lumen output over the life of the LED lamp.Type: GrantFiled: May 11, 2017Date of Patent: August 10, 2021Assignee: Savant Technologies LLCInventors: Raghu Ramaiah, Zhiyong Wang, Kun Xiao, Zhifeng Bao, Xiaojun Ren
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Publication number: 20200378564Abstract: A HID solid state retrofit lamp includes a circumferential array of solid state light sources mounted on circuit boards, a heat sink located in the lamp's interior volume, and a fan positioned in the interior volume to force airflow across the heat sink. A capper assembly includes at least one aperture to vent the interior volume, and an intermediate circuit board within the capper assembly. The intermediate circuit board distributes electrical power to the circuit boards by tabs and contacts extending from the boards that are mechanically bonded together. An optical transmissive shield is positioned exterior to the circumferential array, and can include prismatic structures to direct light emitted from the LED sources in an off axis direction.Type: ApplicationFiled: August 21, 2020Publication date: December 3, 2020Inventors: Raghu RAMAIAH, Thomas Alexander KNAPP, Benjamin Lee YODER, James William FIRIS
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Patent number: 10788163Abstract: A solid state lamp for retrofit of an HID includes a circumferential array of solid state light sources mounted on circuit boards, a heat sink located in the lamp's interior volume, and a fan positioned in the interior volume to force airflow across the heat sink. A capper assembly includes at least one aperture to vent the interior volume, and an intermediate circuit board within the capper assembly. The intermediate circuit board distributes electrical power to the circuit boards by tabs and contacts extending from the boards that are mechanically bonded together. An optical transmissive shield is positioned exterior to the circumferential array, and can include prismatic structures to direct light emitted from the LED sources in an off axis direction.Type: GrantFiled: September 20, 2016Date of Patent: September 29, 2020Assignee: CURRENT LIGHTING SOLUTIONS, LLCInventors: Raghu Ramaiah, Thomas Alexander Knapp, Benjamin Lee Yoder, James William Firis
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Publication number: 20200248876Abstract: The present disclosure includes an LED lamp assembly comprising a glass envelope, an LED platform supported by a stem arrangement disposed within the envelope, a base hermetically sealed to the envelope, a gas disposed within the envelope providing thermal conductivity between the LED platform and the envelope, and a getter disposed within the envelope for absorbing volatile organic compounds. The lamp may maintain a ratio of helium to oxygen that achieves both an acceptable thermal conductivity and an acceptable lumen output over the life of the LED lamp.Type: ApplicationFiled: May 11, 2017Publication date: August 6, 2020Applicant: Consumer Lighting (U.S.), LLCInventors: Raghu RAMAIAH, Zhiyong WANG, Kun XIAO, Zhifeng BAO, Xiaojun REN
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Publication number: 20200113033Abstract: An LED lamp includes a housing having an endcap, an optical portion, and components located within the housing, the components including a plurality of LED segments and a reconfiguration circuit configured to route LED segment electrical connections from a serial to a parallel mode, an LED driver circuit, a line sense circuit to detect presence/absence of AC line voltage, and a rechargeable battery connected to a boost driver circuit to provide electrical power to the LED light source in the absence of line voltage, and a control processor to monitor and control one or more of the plurality of components. The LED lamp configured to illuminate all LED segments irrespective of the presence or absence of the line voltage.Type: ApplicationFiled: May 11, 2018Publication date: April 9, 2020Applicant: CONSUMER LIGHTING (U.S.), LLCInventors: Raghu RAMAIAH, James William FIRIS, Morgan Lane MCMAHON
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Patent number: 10508776Abstract: A bipartite capper component for an illuminating lamp includes a first portion formed of a first material and a second portion formed of a second material different from the first material. The second portion of the capper component is in contact with the first portion of the capper component. The first portion of the capper component is configured to threadedly engage within a standard threaded metal base component of the illuminating lamp.Type: GrantFiled: December 9, 2016Date of Patent: December 17, 2019Assignee: CURRENT LIGHTING SOLUTIONS, LLCInventors: Min Fang, Sheng Jiang, Raghu Ramaiah, Qi Long, Shuyi Qin, Yong Li
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Publication number: 20190277487Abstract: Aspects of the present disclosure provide an LED lamp assembly, comprising a glass envelope, an LED platform comprising a printed circuit board supported by a stem assembly disposed within the envelope, a base hermetically sealed to the envelope, and a gas disposed within the envelope. The gas is capable of providing both thermal conductivity between the LED platform and the envelope, while also mitigating volatile organic compounds present within the envelope.Type: ApplicationFiled: November 14, 2016Publication date: September 12, 2019Applicant: GE Lighting Solutions, LLCInventors: Xiaojun Ren, Zhifeng Bao, Kun Xiao, Zhiyong Wang, Raghu Ramaiah, Glenn Howard Kuenzler
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Publication number: 20180238500Abstract: A solid state lamp for retrofit of an HID includes a circumferential array of solid state light sources mounted on circuit boards, a heat sink located in the lamp's interior volume, and a fan positioned in the interior volume to force airflow across the heat sink. A capper assembly includes at least one aperture to vent the interior volume, and an intermediate circuit board within the capper assembly. The intermediate circuit board distributes electrical power to the circuit boards by tabs and contacts extending from the boards that are mechanically bonded together. An optical transmissive shield is positioned exterior to the circumferential array, and can include prismatic structures to direct light emitted from the LED sources in an off axis direction.Type: ApplicationFiled: September 20, 2016Publication date: August 23, 2018Inventors: Raghu RAMAIAH, Thomas Alexander KNAPP, Benjamin Lee YODER, James William FIRIS
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Patent number: 9989240Abstract: According to some embodiments, a system and housing provide a lamp including a heat sink including: an annular tube including a first end and a second end, a plurality of fins extending radially from an exterior surface of the annular tube, wherein a length of each fin extends from the first end of the annular tube to the second end of the annular tube; a plurality of light sources in thermal contact with the heat sink; a driver circuit operative to provide the input voltage and current for the plurality of light sources; and a capper positioned at the second end of the annular tube, wherein the capper is operative to be received in a socket. Numerous other aspects are provided.Type: GrantFiled: December 2, 2015Date of Patent: June 5, 2018Assignee: GE LIGHTING SOLUTIONS, LLCInventors: Raghu Ramaiah, Thomas Alexander Knapp, Thomas Clynne, Benjamin Michael Pax
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Patent number: 9841167Abstract: A lighting system and method electrically control optics of light generated by a light source. The light source generates a light defined by a light distribution. An electro-active optical component changes the light distribution responsive to a change in an electric potential applied across the electro-active optical component by an electronic control system.Type: GrantFiled: September 10, 2015Date of Patent: December 12, 2017Assignee: GE LIGHTING SOLUTIONS, LLCInventors: Kevin Jeffrey Benner, Josip Brnada, Dengke Cai, Thomas Clynne, Raghu Ramaiah
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Publication number: 20170307142Abstract: A bipartite capper component for an illuminating lamp includes a first portion formed of a first material and a second portion formed of a second material different from the first material. The second portion of the capper component is in contact with the first portion of the capper component. The first portion of the capper component is configured to threadedly engage within a standard threaded metal base component of the illuminating lamp.Type: ApplicationFiled: December 9, 2016Publication date: October 26, 2017Inventors: Min FANG, Sheng JIANG, Raghu RAMAIAH, Qi LONG, Shuyi QIN, Yong LI
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Patent number: 9775199Abstract: Provided is an LED retrofit lamp interfacing with a high intensity discharge (HID) ballast that includes a lighting source having a plurality of light emitting diodes (LEDs), one or more heat sink components dissipating heat generated by the LEDs, and an LED driver configured to operate the LEDs. The LED retrofit lamp is disposed within an HID housing and the HID ballast is electrically connected with the LED driver, and supplies power to the LED driver for operating the LEDs.Type: GrantFiled: July 23, 2015Date of Patent: September 26, 2017Assignee: GE LIGHTING SOLUTIONS, LLCInventors: Raghu Ramaiah, Thomas Clynne, Kyle Decoster
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Publication number: 20160252235Abstract: A lighting system and method electrically control optics of light generated by a light source. The light source generates a light defined by a light distribution. An electro-active optical component changes the light distribution responsive to a change in an electric potential applied across the electro-active optical component by an electronic control system.Type: ApplicationFiled: September 10, 2015Publication date: September 1, 2016Inventors: Kevin Jeffrey BENNER, Josip BRNADA, Dengke CAI, Thomas CLYNNE, Raghu RAMAIAH
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Publication number: 20160161103Abstract: According to some embodiments, a system and housing provide a lamp including a heat sink including: an annular tube including a first end and a second end, a plurality of fins extending radially from an exterior surface of the annular tube, wherein a length of each fin extends from the first end of the annular tube to the second end of the annular tube; a plurality of light sources in thermal contact with the heat sink; a driver circuit operative to provide the input voltage and current for the plurality of light sources; and a capper positioned at the second end of the annular tube, wherein the capper is operative to be received in a socket. Numerous other aspects are provided.Type: ApplicationFiled: December 2, 2015Publication date: June 9, 2016Inventors: Raghu RAMAIAH, Thomas Alexander KNAPP, Thomas CLYNNE, Benjamin Michael PAX
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Publication number: 20160037598Abstract: Provided is an LED retrofit lamp interfacing with a high intensity discharge (HID) ballast that includes a lighting source having a plurality of light emitting diodes (LEDs), one or more heat sink components dissipating heat generated by the LEDs, and an LED driver configured to operate the LEDs. The LED retrofit lamp is disposed within an HID housing and the HID ballast is electrically connected with the LED driver, and supplies power to the LED driver for operating the LEDs.Type: ApplicationFiled: July 23, 2015Publication date: February 4, 2016Inventors: Raghu RAMAIAH, Thomas CLYNNE, KYLE DECOSTER