Patents Examined by Wei (Victor) Y Chan
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Patent number: 11848315Abstract: A semiconductor light-emitting device includes: a board including a front surface, a back surface facing an opposite side of the front surface, a first wiring pattern formed on the front surface, and a second wiring pattern formed on the side of the back surface with respect to the first wiring pattern; and a light-emitting element, a switching element, and a capacitor, which are electrically connected to one another by both the first wiring pattern and the second wiring pattern. Among the light-emitting element, the switching element, and the capacitor, a first predetermined element and a second predetermined element are arranged in a first direction and the second predetermined element and a third predetermined element are arranged in a second direction. The second wiring pattern forms a second current path opposite to a direction of a first current path. The second current path overlaps the first current path.Type: GrantFiled: January 3, 2022Date of Patent: December 19, 2023Assignee: ROHM CO., LTD.Inventors: Kanako Mimori, Yusuke Nakakohara, Okimoto Kondo
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Patent number: 11847982Abstract: A backlight LED driver circuit with current regulating function is provided. The backlight LED driver circuit includes: a LED light-emitting element, a first transistor, a first amplifier, a current regulator module, and a voltage regulator module; the current regulator module including a plurality of current channels, each including one second transistor and one third transistor; the voltage regulator module including a fourth transistor, a fifth transistor, and a sixth transistor; the fourth transistor, the fifth transistor, and the sixth transistor in the voltage regulator module and the second transistor and one third transistor of each of the current channels in the current regulator module constitute a current mirror; and the current regulator module further including a decoder configured to generate a signal for controlling on and off states of the plurality of second transistors in the plurality of current channels in response to an input digital control signal.Type: GrantFiled: July 31, 2023Date of Patent: December 19, 2023Assignee: X-SIGNAL INTEGRATED CO., LTD.Inventors: Guanou Yang, Huijiao Jin
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Patent number: 11849531Abstract: A underwater plasma generating apparatus according to an embodiment of the present invention includes: a reactor inside of which a flow path, through which a working fluid passes, is formed along a length direction; and a dielectric insertion which is disposed on the flow path, partitions the flow path into a plurality of spaces, has therein one or more through holes for connecting the plurality of spaces and having a smaller cross-sectional width compared to the flow path, and has on one side, a metal catalyst coming into contact with the working fluid which has flowed in through the through holes.Type: GrantFiled: May 16, 2018Date of Patent: December 19, 2023Assignee: K FUSION TECHNOLOGY INC.Inventor: Hon Kil Kwak
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Patent number: 11848140Abstract: Various examples of an integrated parallel matrix transformer and inductor are disclosed herein. In one aspect, the transformer includes a first magnetic core having a first set of pillars of a first transformer and a second set of pillars of a second transformer and a second magnetic core having a first and second inductor pillar. The first and second magnetic cores can be separate or integrated into one core. The transformer also includes a planar winding structure. The planar winding structure may include a primary winding and a plurality of secondary windings. The primary winding can be configured to equally divide a primary current. The primary winding can extend a number of turns to conduct half of the primary current around the first inductor pillar and the first set of pillars and to conduct half of the primary current around the second inductor pillar and the second set of pillars.Type: GrantFiled: June 11, 2020Date of Patent: December 19, 2023Assignee: VIRGINIA TECH INTELLECTUAL PROPERTIES, INC.Inventors: Mohamed Hassan Abouelella Ahmed, Fred C. Lee, Qiang Li
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Patent number: 11843186Abstract: An antenna module includes first, second, third antenna radiators, and first, second, third ground radiators. The first antenna radiator includes a first feeding terminal. The second antenna radiator extends from the first antenna radiator. The third antenna radiator extends from the first feeding terminal. The first ground radiator is disposed beside the first and second antenna radiators. A first coupling gap exists between the first ground radiator and the first and second antenna radiators. The second ground radiator is disposed beside the second antenna radiator. A second coupling gap exists between the second ground radiator and the second antenna radiator. The third ground radiator is disposed beside the first and second antenna radiators. A third coupling gap exists between the third ground radiator and the first antenna radiator. A fourth coupling gap exists between the third ground radiator and the second antenna radiator.Type: GrantFiled: March 10, 2022Date of Patent: December 12, 2023Assignee: PEGATRON CORPORATIONInventors: Hau Yuen Tan, Chao-Hsu Wu, Chien-Yi Wu, Shih-Keng Huang, Cheng-Hsiung Wu
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Patent number: 11843323Abstract: A system for use in generating a power signal includes a first stage circuit having: a first input line coupled to a first stage first parallel line having a first stage first switch positioned thereon, a second input line coupled to a first stage second parallel line having a first stage second switch positioned thereon, and a first stage third parallel line oriented in parallel with the first stage first parallel line and the first stage second parallel line between a positive rail and a negative rail, the first stage third parallel line having a first capacitor positioned thereon. The system further includes a second stage circuit having a resonant inverter coupled between the positive rail and the negative rail and configured to output the power signal.Type: GrantFiled: June 1, 2021Date of Patent: December 12, 2023Assignee: GOODRICH CORPORATIONInventors: Yongduk Lee, Parag M. Kshirsagar, Matthew Robert Pearson, Parikshith B. Channegowda
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Patent number: 11837447Abstract: An apparatus for combining plasma processing and thermal processing of a workpiece is presented. The apparatus includes a processing chamber, a plasma chamber separated from the processing chamber disposed on a first side of the processing chamber, and a plasma source configured to generate a plasma in the plasma chamber. A quartz workpiece support is disposed within the processing chamber, the workpiece support configured to support a workpiece. One or more radiative heat sources configured to heat the workpiece are disposed on a second and opposite side of the first side of the processing chamber. A dielectric window is disposed between the workpiece support and the one or more heat sources. In addition, the apparatus includes a temperature measurement system configured to obtain a temperature measurement indicative of a temperature of the workpiece.Type: GrantFiled: April 28, 2021Date of Patent: December 5, 2023Assignees: Beijing E-Town Semiconductor Technology Co., Ltd., Mattson Technology, Inc.Inventors: Dixit Desai, Alex Wansidler, Dieter Hezler, Joseph Cibere, Rolf Bremensdorfer, Pete Lembesis, Michael Yang
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Patent number: 11839003Abstract: Provided is an apparatus for supplying power. The apparatus includes a rectifier unit configured to apply a voltage by rectifying alternating current power source, a light emitting unit including a plurality of light emitting diodes which emit light by electric current according to the voltage and are connected in series, a signal generation unit configured to generate a driving signal by dropping the voltage of the rectifier unit, and a switch unit including a plurality of transistors which are connected to the plurality of light emitting diodes, respectively, and are turned on by the driving signal and switch a route of electric current flowing in the plurality of light emitting diodes to be supplied to a microcontroller as power source.Type: GrantFiled: July 5, 2022Date of Patent: December 5, 2023Assignee: POINT TEK CO., LTD.Inventor: Jun Sik Kim
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Patent number: 11818819Abstract: A lighting device, such as a controllable light-emitting diode (LED) light source, may execute a self-calibration procedure to compensate for changes in an optical system of the lighting device that may have occurred after an initial factory calibration procedure. The lighting device may include an emitter, a detector that generates a detector signal in response to detected light, a memory that stores a curve defining an optical compensation value with respect to a measured forward voltage of the detector, and a control circuit configured to receive a measured value of a luminous flux of the light emitted by the emitter that may be determined in response to the detector signal and based on the optical compensation value. The control circuit may adjust the curve defining the optical compensation value in response to a difference between the measured value and an expected value of the luminous flux.Type: GrantFiled: March 7, 2022Date of Patent: November 14, 2023Assignee: Lutron Technology Company LLCInventors: Jason E. Lewis, Jivan J. Luu, Alcides J. Dias, Jacob Guerra
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Patent number: 11790831Abstract: Active control of light emitting diodes (LEDs) and LED packages within LED displays is disclosed. LED packages are disclosed that include a plurality of LED chips that form at least one LED pixel for an LED display or an LED panel. Each LED package may include an active electrical element that is configured to receive a control signal and actively maintain an operating state, such as brightness or grey level while other LED packages are being addressed. Active electrical elements are disclosed that are configured to provide both forward and reverse bias states to LEDs to detect adverse operating conditions including reverse leakage and deviations to forward voltage levels. LED packages are also disclosed that may self-configure based on the manner in which various input or output lines are connected.Type: GrantFiled: August 16, 2019Date of Patent: October 17, 2023Assignee: CreeLED, Inc.Inventor: Christopher P. Hussell
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Patent number: 11791546Abstract: Disclosed is an antenna device including an antenna substrate in which an array antenna comprising at least one radiation element is disposed, and a cover separated by a predetermined distance or more from the antenna substrate and comprising at least one repeating radiation element disposed to correspond to the at least one radiation element.Type: GrantFiled: July 26, 2021Date of Patent: October 17, 2023Inventors: Dohyuk Ha, Junsig Kum, Jungyub Lee, Youngju Lee
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Patent number: 11784553Abstract: A system for controlling a power signal for zero voltage switching (ZVS) includes a voltage zero crossing detection module to detect a zero voltage condition in response to an inverter voltage from a resonant inverter crossing zero volts, and a current zero crossing detection module to detect a zero current condition in response to an inverter current from the resonant inverter crossing zero amps. The system further includes a phase detect module to detect actual phase data corresponding to an actual phase angle between the inverter voltage and the inverter current based on the zero voltage and zero current condition. The system further includes a comparator to determine a phase difference between a desired phase between the inverter voltage and the inverter current and the actual phase angle. The system further includes a controller to adjust a property of a resonant inverter to reduce the phase difference.Type: GrantFiled: June 1, 2021Date of Patent: October 10, 2023Assignee: GOODRICH CORPORATIONInventors: Yongduk Lee, Matthew Robert Pearson, Parag M. Kshirsagar
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Patent number: 11778707Abstract: Disclosed herein are methods for controlling light fixtures comprising unique color light sources with independently controllable luminous flux, comprising controlling a luminous flux of each of the light sources, wherein a spectral distribution of light emitted from the light sources upon being controlled according to settings within a plurality of setting is different between settings, and a color of light emitted from the light sources is similar or identical between settings. The methods may improve color rendering where a certain color of emitted light is required, e.g., where a certain prop or costume is better illuminated with one setting compared to another setting, drawing attention to certain objects in a scene, e.g., by choosing a setting which makes a certain object stand out, and/or providing an intriguing optical effect, e.g., by shifting between settings, which makes certain objects appear to change color while others appear to keep same color.Type: GrantFiled: March 19, 2021Date of Patent: October 3, 2023Assignee: HARMAN PROFESSIONAL DENMARK APSInventor: Jesper Gadegaard
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Patent number: 11776460Abstract: Active control of light emitting diodes (LEDs) and LED packages within LED displays is disclosed. LED packages are disclosed that include a plurality of LED chips that form at least one LED pixel for an LED display or an LED panel. Each LED package may include an active electrical element that is configured to receive a control signal and actively maintain an operating state, such as brightness or grey level while other LED packages are being addressed. Active electrical elements are disclosed that are configured to provide both forward and reverse bias states to LEDs to detect adverse operating conditions including reverse leakage and deviations to forward voltage levels. LED packages are also disclosed that may self-configure based on the manner in which various input or output lines are connected.Type: GrantFiled: August 16, 2019Date of Patent: October 3, 2023Assignee: CreeLED, Inc.Inventor: Christopher P. Hussell
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Patent number: 11770073Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed for regulated hybrid converters. An example apparatus includes an input terminal; an output terminal, a first converter circuit coupled between the input terminal and an intermediate node, the first converter circuit having a first switch node, a second converter circuit coupled between the intermediate node and the output terminal, the second converter circuit having a second switch node; a first inductor coupled between the first switch node and the second switch node, and a second inductor coupled between the second switch node and the output terminal.Type: GrantFiled: April 26, 2019Date of Patent: September 26, 2023Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Wnenkai Wu, Shishuo Zhao, Weidong Zhu
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Patent number: 11770887Abstract: A method of controlling a plurality of light sources based on a source image is disclosed. The method comprises controlling a first light source according to a first light setting based on a first color of the source image, receiving an input indicative of a change of the first light setting of the first light source, determining a color of the changed first light setting, modifying the source image by modifying the first color in the source image based on the color of the changed light setting, and rendering the modified image on a display.Type: GrantFiled: November 27, 2018Date of Patent: September 26, 2023Assignee: SIGNIFY HOLDING B.V.Inventor: Dirk Valentinus René Engelen
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Patent number: 11760255Abstract: A vehicular multi-sensor system includes a plurality of sensors that include at least a camera and a 3D point-cloud LIDAR. The forward-viewing camera views (i) a traffic lane of a multi-lane road being traveled along by the equipped vehicle and (ii) another traffic lane of the multi-lane road, and the field of sensing of said 3D point-cloud LIDAR sensor at least encompasses the other traffic lane of the multi-lane road. Image data captured by the forward-viewing camera is provided to and is processed at an electronic control unit (ECU). 3D point-cloud LIDAR data captured by the 3D point-cloud LIDAR sensor is provided to and processed at the ECU. Responsive at least in part to processing at the ECU of 3D point-cloud LIDAR data captured by said 3D point-cloud LIDAR sensor, the ECU detects a traffic participant or pedestrian or other vehicle present exterior of the equipped vehicle.Type: GrantFiled: February 6, 2023Date of Patent: September 19, 2023Assignee: MAGNA ELECTRONICS INC.Inventors: Martin Solar, Christopher L. Van Dan Elzen
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Patent number: 11764465Abstract: An antenna assembly comprises a circuit board formed with an antenna, a coaxial cable and a conductive film. The circuit board has an edge, a first pad and a second pad. An outer conductor of the coaxial cable has an exposed portion which is exposed from an outer cover of the coaxial cable over a predetermined area. The exposed portion is connected with the second pad. In a second direction perpendicular to a first direction, a center of the coaxial cable is positioned at a predetermined position. The conductive film is fixed on the circuit board. The conductive film has a main portion and at least one extending portion. In the predetermined area, the at least one extending portion and the second pad are aligned in the first direction. The at least one extending portion extends from the main portion over the predetermined position in the second direction.Type: GrantFiled: January 5, 2021Date of Patent: September 19, 2023Assignee: Japan Aviation Electronics Industry, LimitedInventor: Osamu Hashiguchi
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Patent number: 11764683Abstract: This light-emitting element drive control device (100) comprises: a drive logic unit (113) which performs a drive control of a switch output stage (N1, D1, L1) for dropping an input voltage (VIN) to an output voltage (VOUT) and supplying a light-emitting element therewith: a charge-pump power supply unit (?) which generates a step-up voltage (CP) higher than the input voltage (VIN); and a current detecting comparator (114) which receives a supply of the step-up voltage (CP) and the output voltage (VOUT) as power supply voltages, and generates control signals (SET, RST) for the drive logic unit (113) by directly comparing a current detection signal (Vsns) corresponding to an inductor current (IL) of the switch output stage with a peak detection value (Vsns_pk) and a bottom detection value (Vsns_bt).Type: GrantFiled: September 6, 2022Date of Patent: September 19, 2023Assignee: Rohm Co., Ltd.Inventors: Akira Aoki, Ryo Takagi
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Patent number: 11754450Abstract: A temperature measurement system for measuring a temperature of a measured surface includes: 1) a first temperature sensor; and 2) a reference surface including a second temperature sensor integrated therein. The first temperature sensor includes a field of view simultaneously covering both at least a portion of the measured surface and at least a portion of the reference surface, thus is configured for simultaneously taking a first measurement of both the portion of the measured surface and the portion of the reference surface. The first measurement of the reference surface taken by the first temperature sensor is compared to a second measurement taken by the second temperature sensor for use in calibrating the first temperature sensor.Type: GrantFiled: July 18, 2022Date of Patent: September 12, 2023Assignee: Accure Acne, Inc.Inventors: Henrik Hofvander, Michael John Estes