Patents by Inventor Ming-Lung Liu
Ming-Lung Liu 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: 11971135Abstract: Pole mounts, pole mount kits, and poly mount assemblies are disclosed. Each kit and assembly includes a pole mount with a mounting bracket including a pair of coupling plates and at least one retaining plate. The pair of coupling plates is coupled to opposite ends of the at least one retaining plate. The at least one retaining plate defines a mounting area between the pair of coupling plates. The pole mount further includes at least two retaining brackets coupled to the at least one retaining plate. Each of the retaining brackets includes a base, opposing side walls extending from the base, and a front wall extending from the base and located between the opposing side walls. The base, the opposing side walls, and the front wall define a retaining area. The front wall defines a cutout region contiguous with the retaining area.Type: GrantFiled: September 15, 2022Date of Patent: April 30, 2024Assignee: QUANTA COMPUTER INC.Inventors: Yaw-Tzorng Tsorng, Ming-Lung Wang, Jai-Lin Liu, Kai-Hsiang Chang
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Patent number: 11967272Abstract: A sweep voltage generator and a display panel are provided. The sweep voltage generator includes an output node, a current generating block and a voltage regulating block. The output node is used to provide a sweep signal. The current generating block is coupled to the output node, includes a detection path for detecting an output load variation on the output node, and adjusts the sweep signal provided by the output node based on the output load variation. The voltage regulating block is coupled to the output node for regulating a voltage of the output node.Type: GrantFiled: December 9, 2022Date of Patent: April 23, 2024Assignees: AUO Corporation, National Cheng-Kung UniversityInventors: Chih-Lung Lin, Yi-Chen Huang, Chih-I Liu, Po-Cheng Lai, Ming-Yang Deng, Chia-En Wu, Ming-Hung Chuang, Chia-Tien Peng
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Publication number: 20240093829Abstract: Pole mounts, pole mount kits, and poly mount assemblies are disclosed. Each kit and assembly includes a pole mount with a mounting bracket including a pair of coupling plates and at least one retaining plate. The pair of coupling plates is coupled to opposite ends of the at least one retaining plate. The at least one retaining plate defines a mounting area between the pair of coupling plates. The pole mount further includes at least two retaining brackets coupled to the at least one retaining plate. Each of the retaining brackets includes a base, opposing side walls extending from the base, and a front wall extending from the base and located between the opposing side walls. The base, the opposing side walls, and the front wall define a retaining area. The front wall defines a cutout region contiguous with the retaining area.Type: ApplicationFiled: September 15, 2022Publication date: March 21, 2024Inventors: Yaw-Tzorng TSORNG, Ming-Lung WANG, Jai-Lin LIU, Kai-Hsiang CHANG
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Publication number: 20230173716Abstract: A macromolecule forming mold, which is integrally formed by a polymer body. Multiple communicated runners are formed inside the polymer body; a material injection port is penetrated in the surface of the polymer body, and the material injection port is communicated with the runners, so that a thermosetting castable fills the runners by means of the material injection port and is cured and molded, and the polymer body is damaged to take out a thermosetting elastomer. A thermosetting elastomer and a manufacturing method therefor. The thermosetting elastomer has the characteristics such as excellent physical properties and lightweight properties.Type: ApplicationFiled: June 10, 2020Publication date: June 8, 2023Inventors: Chia Chuang Hu, Ming Lung Liu
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Publication number: 20220087060Abstract: A fan management system includes a fan and a server. The fan includes a driving circuit, and the driving circuit is configured for driving the fan. The fan operates in an operation mode. The server is connected to the fan and is configured for controlling the operation of the fan. The driving circuit outputs a digital label signal when the fan operates abnormally, and the server obtains a production history, an operation information and a warning message of the fan through the digital label signal. The server adjusts the operation mode of the fan according to the warning message simultaneously.Type: ApplicationFiled: September 14, 2021Publication date: March 17, 2022Inventors: Chia-Feng Wu, Chien-Sheng Lin, Ming-Lung Liu, Hsin-Ming Hsu, Yun-Hua Chao, Po-Tsun Chen, Yueh-Lung Huang, Jung-Yuan Chen, Yu-Cheng Lin
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Patent number: 9525367Abstract: A fan motor braking apparatus and a method of controlling the same provide a braking protection before the fan motor revolves. The fan motor braking apparatus includes a conversion circuit, a braking enable circuit, a braking release circuit, and a fan motor startup circuit. The conversion circuit has a plurality of power switch elements electrically connected to the fan motor. The braking enable circuit is connected to the conversion circuit and the braking release circuit is connected to the braking enable circuit. The fan motor startup circuit receives an external DC voltage. The braking enable circuit generates a braking control signal to turn on the power switch elements when the braking enable circuit receives the external DC voltage, thus braking the fan motor.Type: GrantFiled: June 25, 2014Date of Patent: December 20, 2016Assignee: DELTA ELECTRONICS, INC.Inventors: Wei-Shuo Tseug, Chia-Feng Wu, Ming-Lung Liu, Yu-Jen Liang
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Publication number: 20150188459Abstract: A fan motor braking apparatus and a method of controlling the same provide a braking protection before the fan motor revolves. The fan motor braking apparatus includes a conversion circuit, a braking enable circuit, a braking release circuit, and a fan motor startup circuit. The conversion circuit has a plurality of power switch elements electrically connected to the fan motor. The braking enable circuit is connected to the conversion circuit and the braking release circuit is connected to the braking enable circuit. The fan motor startup circuit receives an external DC voltage. The braking enable circuit generates a braking control signal to turn on the power switch elements when the braking enable circuit receives the external DC voltage, thus braking the fan motor.Type: ApplicationFiled: June 25, 2014Publication date: July 2, 2015Inventors: Wei-Shuo TSEUG, Chia-Feng WU, Ming-Lung LIU, Yu-Jen LIANG
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Patent number: 8531142Abstract: A bi-power motor controlling apparatus, which is electrically connected with a motor, includes a driver IC having a first pin and a second pin. The first and second pins are used to receive a first power and a second power, respectively, from outside. The second power is supplied to the driver IC, and the first power is supplied to the motor for controlling the rotational speed of the motor.Type: GrantFiled: May 3, 2010Date of Patent: September 10, 2013Assignee: Delta Electronics, Inc.Inventors: Ming-Lung Liu, Chun-Chia Lu, Chia-Feng Wu, Chun-Lung Chiu
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Patent number: 7852228Abstract: A fan system including a motor, a driving unit, and a detector is disclosed. The driving unit is electrically connected to the motor and generates a driving signal to drive the motor and a detection signal. The detector is electrically connected to an output terminal of the driving unit and receives a voltage signal and the detection signal. When the motor operates normally, the detector outputs an examined signal to the output terminal of the driving unit. When the motor operates abnormally, the driving unit asserts the detection signal, and the detector is controlled by the asserted detection signal to transform the examined signal to an alarm signal according to the voltage signal to detect the abnormal state.Type: GrantFiled: October 28, 2009Date of Patent: December 14, 2010Assignee: Delta Electronics, Inc.Inventors: Wen-Ping Teng, Ming-Lung Liu, Ming-Yen Lin, Yueh-Lung Huang
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Publication number: 20100289441Abstract: A bi-power motor controlling apparatus, which is electrically connected with a motor, includes a driver IC having a first pin and a second pin. The first and second pins are used to receive a first power and a second power, respectively, from outside. The second power is supplied to the driver IC, and the first power is supplied to the motor for controlling the rotational speed of the motor.Type: ApplicationFiled: May 3, 2010Publication date: November 18, 2010Inventors: Ming-Lung Liu, Chun-Chia Lu, Chia-Feng Wu, Chun-Lung Chiu
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Patent number: 7781998Abstract: A fan system comprising a first switch, a second switch, a coil, and a drive device. The drive device comprises a third switch and a fourth switch. The third switch, the fourth switch, the first switch, the second switch and the coil form a bridge connection.Type: GrantFiled: April 27, 2007Date of Patent: August 24, 2010Assignee: Delta Electronics Inc.Inventors: Ming-Lung Liu, Yi-Chieh Cho, Chia-Feng Wu, Yueh-Lung Huang
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Publication number: 20100047082Abstract: A fan system including a motor, a driving unit, and a detector is disclosed. The driving unit is electrically connected to the motor and generates a driving signal to drive the motor and a detection signal. The detector is electrically connected to an output terminal of the driving unit and receives a voltage signal and the detection signal. When the motor operates normally, the detector outputs an examined signal to the output terminal of the driving unit. When the motor operates abnormally, the driving unit asserts the detection signal, and the detector is controlled by the asserted detection signal to transform the examined signal to an alarm signal according to the voltage signal to detect the abnormal state.Type: ApplicationFiled: October 28, 2009Publication date: February 25, 2010Applicant: DELTA ELECTRONICS, INC.Inventors: Wen-Ping TENG, Ming-Lung Liu, Ming-Yen Lin, Yueh-Lung Huang
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Patent number: 7570009Abstract: A control device of a fan system, which has at least one fan, receives a starting voltage. The control device includes a start controlling unit and a driving unit. The start controlling unit receives the starting voltage and outputs a start controlling signal according to the starting voltage. After a predetermined period, the start controlling unit stops sending the start controlling signal. The driving unit is electrically connected to the start controlling unit and the fan, respectively. The driving unit receives the start controlling signal for controlling the rotation speed of the fan.Type: GrantFiled: August 16, 2006Date of Patent: August 4, 2009Assignee: Delta Electronics, Inc.Inventors: Tsung-Jung Hsieh, Ming-Lung Liu, Ming-Yen Lin, Wen-Ping Teng, Yueh-Lung Huang, Ming-Shi Tsai
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Patent number: 7394215Abstract: A thermal control variable-speed circuit without switching noise is connected with a driving circuit, which controls the rotation speed of a fan motor using a driving voltage. The thermal control variable-speed circuit includes a reference voltage output circuit and a driving voltage control circuit. The reference voltage output circuit outputs a corresponding reference voltage signal according to ambient temperature changes. The reference voltage output circuit has one end connected to a first resistor in series and to a second resistor in parallel. The driving voltage control circuit outputs a corresponding driving voltage according to the magnitude of the reference voltage signal.Type: GrantFiled: October 14, 2003Date of Patent: July 1, 2008Assignee: Delta Electronics, Inc.Inventors: Ming-Shi Tsai, Yueh-Lung Huang, Ming-Lung Liu
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Publication number: 20070258805Abstract: A fan system comprising a first switch, a second switch, a coil, and a drive device. The drive device comprises a third switch and a fourth switch. The third switch, the fourth switch, the first switch, the second switch and the coil form a bridge connection.Type: ApplicationFiled: April 27, 2007Publication date: November 8, 2007Inventors: Ming-Lung Liu, Yi-Chieh Cho, Chia-Feng Wu, Yueh-Lung Huang
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Publication number: 20070201612Abstract: A fan system comprising a motor, a driving unit, and a detector is disclosed. The driving unit is electrically connected to the motor and generates a driving signal to drive the motor. The detector is electrically connected to the driving unit and receives a voltage signal. When the motor operates normally, the detector outputs an examined signal S1. When the motor operates abnormally, the detector receives a detection signal and transforms the examined signal to an alarm signal according to the voltage signal to detect the abnormal state.Type: ApplicationFiled: December 29, 2006Publication date: August 30, 2007Inventors: Wen-Ping Teng, Ming-Lung Liu, Ming-Yen Lin, Yueh-Lung Huang
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Publication number: 20070041824Abstract: A control device of a fan system, which has at least one fan, receives a starting voltage. The control device includes a start controlling unit and a driving unit. The start controlling unit receives the starting voltage and outputs a start controlling signal according to the starting voltage. After a predetermined period, the start controlling unit stops sending the start controlling signal. The driving unit is electrically connected to the start controlling unit and the fan, respectively. The driving unit receives the start controlling signal for controlling the rotation speed of the fan.Type: ApplicationFiled: August 16, 2006Publication date: February 22, 2007Inventors: Tsung-Jung Hsieh, Ming-Lung Liu, Ming-Yen Lin, Wen-Ping Teng, Yueh-Lung Huang, Ming-Shi Tsai
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Publication number: 20040263105Abstract: A thermal control variable-speed circuit without switching noise is connected with a driving circuit, which controls the rotation speed of a fan motor using a driving voltage. The thermal control variable-speed circuit includes a reference voltage output circuit and a driving voltage control circuit. The reference voltage output circuit outputs a corresponding reference voltage signal according to ambient temperature changes. The reference voltage output circuit has one end connected to a first resistor in series and to a second resistor in parallel. The driving voltage control circuit outputs a corresponding driving voltage according to the magnitude of the reference voltage signal.Type: ApplicationFiled: October 14, 2003Publication date: December 30, 2004Inventors: Ming-Shi Tsai, Yueh-Lung Huang, Ming-Lung Liu