Patents by Inventor Wei-Ling Chen
Wei-Ling Chen 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: 12529185Abstract: The present invention relates to an artificial leather and a method for producing the same. The artificial leather includes a substrate, a thermoplastic ethylene-propylene polymer elastic layer, and a surface layer. The substrate is formed from fibers having a first thermoplastic ethylene-propylene polymer. The surface layer is formed from a second thermoplastic ethylene-propylene polymer. The first thermoplastic ethylene-propylene polymer and the second thermoplastic ethylene-propylene polymer provide the substrate with a specific melting point and the surface layer with a specific melting point, respectively. By the substrate with the specific melting point and the surface layer with the specific melting point, the artificial leather has an excellent post-processability. Therefore, the artificial leather can have the substrate and the surface layer which have the same material, thereby having an excellent recyclability.Type: GrantFiled: February 24, 2021Date of Patent: January 20, 2026Assignee: SAN FANG CHEMICAL INDUSTRY CO., LTD.Inventors: Chih-Yi Lin, Kuo-Kuang Cheng, Chien-Chia Huang, Chia-Ho Lin, Chieh Lee, Wei-Ling Chen
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Patent number: 12472730Abstract: The present disclosure relates to an step artificial leather having visual penetration and a manufacturing method thereof. The artificial leather includes a thermoplastic substrate, a thermoplastic adhering layer, and a thermoplastic surface layer. The thermoplastic substrate has fiber net shape, and has visual penetration. The thermoplastic adhering layer is disposed on the thermoplastic substrate. The thermoplastic surface layer is disposed on the thermoplastic adhering layer. The thermoplastic surface layer and the thermoplastic adhering layer are transparent. Therefore, the artificial leather of the present disclosure has visual penetration effect. The product made from the artificial leather of the present disclosure has attractive appearance and diversity.Type: GrantFiled: September 28, 2022Date of Patent: November 18, 2025Assignee: SAN FANG CHEMICAL INDUSTRY CO., LTD.Inventors: Chih-Yi Lin, Kuo-Kuang Cheng, Chien-Chia Huang, Tsung-Yu Tsai, Chieh Lee, Wei-Ling Chen
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Patent number: 12374982Abstract: The invention provides a feedback control device and a feedback control method thereof. The feedback control device includes an enhancing circuit and a comparator. The enhancing circuit receives a feedback voltage corresponding to an output voltage of a DC-to-DC converter. In an embodiment, the enhancing circuit generates an enhanced feedback voltage based on the feedback voltage, and the comparator uses a comparison result between a reference voltage and the enhanced feedback voltage as a control signal to a feedback control terminal of the DC-to-DC converter. In another embodiment, the enhancing circuit generates an enhanced reference voltage based on the reference voltage, and the comparator uses a comparison result between the enhanced reference voltage and the feedback voltage as the control signal. In yet another embodiment, the comparator uses a comparison result between the enhanced reference voltage and the enhanced feedback voltage as the control signal.Type: GrantFiled: March 31, 2023Date of Patent: July 29, 2025Assignee: Novatek Microelectronics Corp.Inventors: Zhe Hui Lin, Wei-Ling Chen, Lan-Shan Cheng
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Patent number: 12287689Abstract: An operation method of a power supply circuit which is provided with an input voltage to generate a positive output voltage and a negative output voltage is proposed. The power supply circuit includes five switches and is electrically connected with an inductor through a first inductor node and a second inductor node. The disclosed operation method includes determining the power supply circuit to operate in a mode, which includes three operation phases, a first, second and third phase. Energizing currents can be generated and provided both to enhance the positive output voltage and negative output voltage by employing the proposed operation method. Since there is no transition of the voltage level of the second inductor node during the second phase to third phase transition, it is believed that the present invention effectively achieves in suppressing redundant power switching loss and providing optimized output power efficiency.Type: GrantFiled: May 17, 2023Date of Patent: April 29, 2025Assignee: Novatek Microelectronics Corp.Inventor: Wei-Ling Chen
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Publication number: 20240405673Abstract: A power converter includes an input, an output, a first switch, a second switch, a third switch, a fourth switch, a fifth switch, and a sixth switch. The first switch and the second switch are coupled between the input and a reference voltage. The third switch is coupled between a first capacitor and the fourth switch. The first capacitor is coupled to the reference voltage. The fourth switch is coupled between the output and the third switch. A terminal of a second capacitor is coupled between the third switch and the fourth switch, and another terminal of the second capacitor is coupled between the first switch and the second switch through an inductor. The fifth switch is coupled between the reference voltage and the common node of the inductor and the second capacitor. The sixth switch is coupled between the common node and the first capacitor.Type: ApplicationFiled: May 30, 2023Publication date: December 5, 2024Inventor: WEI-LING CHEN
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Publication number: 20240385670Abstract: An operation method of a power supply circuit which is provided with an input voltage to generate a positive output voltage and a negative output voltage is proposed. The power supply circuit includes five switches and is electrically connected with an inductor through a first inductor node and a second inductor node. The disclosed operation method includes determining the power supply circuit to operate in a mode, which includes three operation phases, a first, second and third phase. Energizing currents can be generated and provided both to enhance the positive output voltage and negative output voltage by employing the proposed operation method. Since there is no transition of the voltage level of the second inductor node during the second phase to third phase transition, it is believed that the present invention effectively achieves in suppressing redundant power switching loss and providing optimized output power efficiency.Type: ApplicationFiled: May 17, 2023Publication date: November 21, 2024Inventor: WEI-LING CHEN
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Publication number: 20240333126Abstract: The invention provides a feedback control device and a feedback control method thereof. The feedback control device includes an enhancing circuit and a comparator. The enhancing circuit receives a feedback voltage corresponding to an output voltage of a DC-to-DC converter. In an embodiment, the enhancing circuit generates an enhanced feedback voltage based on the feedback voltage, and the comparator uses a comparison result between a reference voltage and the enhanced feedback voltage as a control signal to a feedback control terminal of the DC-to-DC converter. In another embodiment, the enhancing circuit generates an enhanced reference voltage based on the reference voltage, and the comparator uses a comparison result between the enhanced reference voltage and the feedback voltage as the control signal. In yet another embodiment, the comparator uses a comparison result between the enhanced reference voltage and the enhanced feedback voltage as the control signal.Type: ApplicationFiled: March 31, 2023Publication date: October 3, 2024Applicant: Novatek Microelectronics Corp.Inventors: Zhe Hui Lin, Wei-Ling Chen, Lan-Shan Cheng
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Patent number: 12088198Abstract: A power stage circuit generates an output signal according to an input signal and a control signal. A ramp generator circuit generates a ramp signal according to the control signal, the input signal, and the output signal. A calculation circuit generates a calculation signal according to the output signal and a reference signal. The calculation circuit operates in a first mode when the power converter operates in a light loading state, and the calculation circuit operates in a second mode when the power converter operates in a normal state. A control circuit generates the control signal according to the calculation signal and the ramp signal. The control circuit includes a comparator circuit and a control signal generator. The comparator circuit generates a comparison signal according to the calculation signal and the ramp signal. The control signal generator generates the control signal according to the comparison signal.Type: GrantFiled: December 30, 2021Date of Patent: September 10, 2024Assignee: NOVATEK Microelectronics Corp.Inventors: Chieh-Ju Tsai, Ching-Jan Chen, Zhen-Guo Ding, Zhe-Hui Lin, Wei-Ling Chen
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Patent number: 11973425Abstract: A power converter includes a power stage circuit, a ramp generator circuit, and a control circuit. The power stage circuit generates an output signal according to an input signal and a control signal. The ramp generator circuit generates a ramp signal according to the control signal, the input signal, and the output signal. The control circuit generates the control signal according to the output signal, a reference signal, and the ramp signal.Type: GrantFiled: December 29, 2021Date of Patent: April 30, 2024Assignee: NOVATEK Microelectronics Corp.Inventors: Chieh-Ju Tsai, Ching-Jan Chen, Zhen-Guo Ding, Zhe-Hui Lin, Wei-Ling Chen
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Publication number: 20230102731Abstract: The present disclosure relates to an step artificial leather having visual penetration and a manufacturing method thereof. The artificial leather includes a thermoplastic substrate, a thermoplastic adhering layer, and a thermoplastic surface layer. The thermoplastic substrate has fiber net shape, and has visual penetration. The thermoplastic adhering layer is disposed on the thermoplastic substrate. The thermoplastic surface layer is disposed on the thermoplastic adhering layer. The thermoplastic surface layer and the thermoplastic adhering layer are transparent. Therefore, the artificial leather of the present disclosure has visual penetration effect. The product made from the artificial leather of the present disclosure has attractive appearance and diversity.Type: ApplicationFiled: September 28, 2022Publication date: March 30, 2023Inventors: CHIH-YI LIN, KUO-KUANG CHENG, CHIEN-CHIA HUANG, TSUNG-YU TSAI, CHIEH LEE, WEI-LING CHEN
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Publication number: 20220364303Abstract: A thermoplastic artificial leather is provided, which includes a first structure layer, a second structure layer, a plurality of recycled particles, and a third structure layer, in which the second structure layer is disposed on the first structure layer, the plurality of recycled particles disposed on the second structure layer, and the third structure layer is disposed to cover the plurality of recycled particles. According to above stacked structure, the thermoplastic artificial leather with environment friendly is formed, and the plurality of recycled particles is processed in a physical manner, which can solve the problem, the environmental protection issue, caused by the use of solvent to process the recycled particle in the prior art. Use of the material characteristics of each structure layer to reprocess the recycled particles, so the reprocess procedure without using any solvent, so the environmental pollution and the production cost are greatly reduced.Type: ApplicationFiled: March 8, 2022Publication date: November 17, 2022Inventors: Chih-Yi Lin, Kuo-Kuang Cheng, Chien-Chia Huang, Tsung-Yu Tsai, Chieh Lee, Wei-Ling Chen
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Publication number: 20220271662Abstract: A power stage circuit generates an output signal according to an input signal and a control signal. A ramp generator circuit generates a ramp signal according to the control signal, the input signal, and the output signal. A calculation circuit generates a calculation signal according to the output signal and a reference signal. The calculation circuit operates in a first mode when the power converter operates in a light loading state, and the calculation circuit operates in a second mode when the power converter operates in a normal state. A control circuit generates the control signal according to the calculation signal and the ramp signal. The control circuit includes a comparator circuit and a control signal generator. The comparator circuit generates a comparison signal according to the calculation signal and the ramp signal. The control signal generator generates the control signal according to the comparison signal.Type: ApplicationFiled: December 30, 2021Publication date: August 25, 2022Inventors: Chieh-Ju TSAI, Ching-Jan CHEN, Zhen-Guo DING, Zhe-Hui LIN, Wei-Ling CHEN
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Publication number: 20220271661Abstract: A power converter includes a power stage circuit, a ramp generator circuit, and a control circuit. The power stage circuit is configured to generate an output signal according to an input signal and a control signal. The ramp generator circuit is configured to generate a ramp signal according to the control signal, the input signal, and the output signal. The control circuit is configured to generate the control signal according to the output signal, a reference signal, and the ramp signal.Type: ApplicationFiled: December 29, 2021Publication date: August 25, 2022Inventors: Chieh-Ju TSAI, Ching-Jan CHEN, Zhen-Guo DING, Zhe-Hui LIN, Wei-Ling CHEN
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Publication number: 20210336748Abstract: A server system, a data transmission system and a data transmission method thereof are disclosed. The data transmission method includes the following steps: dividing a piece of data into a plurality of packets by the server system; transmitting an nth packet to a device end by the server system, wherein n is greater than or equal to 1; transmitting an (n+1)th packet after the nth packet is transmitted by the server system; and receiving an nth acknowledgement generated by the device end based on receiving the nth packet from the server system, wherein it is earlier to transmit the (n+1)th packet than to receive the nth acknowledgement.Type: ApplicationFiled: March 12, 2021Publication date: October 28, 2021Inventors: Wei-Ling CHEN, Po-Han LIN, Jui-Ho CHEN
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Publication number: 20210262160Abstract: The present invention relates to an artificial leather and a method for producing the same. The artificial leather includes a substrate, a thermoplastic ethylene-propylene polymer elastic layer, and a surface layer. The substrate is formed from fibers having a first thermoplastic ethylene-propylene polymer. The surface layer is formed from a second thermoplastic ethylene-propylene polymer. The first thermoplastic ethylene-propylene polymer and the second thermoplastic ethylene-propylene polymer provide the substrate with a specific melting point and the surface layer with a specific melting point, respectively. By the substrate with the specific melting point and the surface layer with the specific melting point, the artificial leather has an excellent post-processability. Therefore, the artificial leather can have the substrate and the surface layer which have the same material, thereby having an excellent recyclability.Type: ApplicationFiled: February 24, 2021Publication date: August 26, 2021Inventors: Chih-Yi Lin, Kuo-Kuang Cheng, Chien-Chia Huang, Chia-Ho Lin, Chieh Lee, Wei-Ling Chen
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Patent number: 11099184Abstract: A manufacturing method of a protein sensor includes the following steps. A hydrophobic material is provided and the hydrophobic material has a surface. An atmospheric pressure plasma process is performed to form a hydrophilic functional group on the surface of the hydrophobic material. A first antibody is immobilized on the surface of the hydrophobic material by the hydrophilic functional group. A mixed solution is prepared. The mixed solution includes a second antibody and an analyte, and the second antibody binds to the analyte. The mixed solution is reacted with the first antibody immobilized on the surface of the hydrophobic material to bind the first antibody to the analyte. Furthermore, a protein sensor manufactured by the above-described manufacturing method of the protein sensor is also provided.Type: GrantFiled: May 21, 2020Date of Patent: August 24, 2021Assignee: National Taiwan University of Science and TechnologyInventors: Fu-Ming Wang, Yu-Lin Kuo, Wei-Ling Chen, Xing-Chun Wang, Chiou-Chung Yuan
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Publication number: 20210228657Abstract: An isolated lactic acid bacteria strain: Bifidobacterium longum subsp. longum OLP-01 strain for increasing exercise performance and ameliorating fatigue is disclosed. A variety of animal experiments have proved that OLP-01 not only effectively improves muscle strength and swimming endurance but also significantly reduces fatigue-related biochemical indicators, including blood lactate, blood urea nitrogen and the activity of creatine kinase.Type: ApplicationFiled: April 13, 2021Publication date: July 29, 2021Inventors: Chi-Chang HUANG, Wei-Ling CHEN, Mon-Chien LEE, Yi-Ju HSU, Hsieh-Hsun HO, Shin-Yu TSAI, Wen-Yang LIN, Yi Wei KUO
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Publication number: 20210148901Abstract: A manufacturing method of a protein sensor includes the following steps. A hydrophobic material is provided and the hydrophobic material has a surface. An atmospheric pressure plasma process is performed to form a hydrophilic functional group on the surface of the hydrophobic material. A first antibody is immobilized on the surface of the hydrophobic material by the hydrophilic functional group. A mixed solution is prepared. The mixed solution includes a second antibody and an analyte, and the second antibody binds to the analyte. The mixed solution is reacted with the first antibody immobilized on the surface of the hydrophobic material to bind the first antibody to the analyte. Furthermore, a protein sensor manufactured by the above-described manufacturing method of the protein sensor is also provided.Type: ApplicationFiled: May 21, 2020Publication date: May 20, 2021Applicant: National Taiwan University of Science and TechnologyInventors: Fu-Ming Wang, Yu-Lin Kuo, Wei-Ling Chen, Xing-Chun Wang, Chiou-Chung Yuan
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Patent number: 10977026Abstract: A data updating system, an embedded electronic device and a data updating method are provided. The data updating system includes the embedded electronic device and an auxiliary updating device. The embedded electronic device has a serial transmission port. The auxiliary updating device is coupled to the serial transmission port of the embedded electronic device. The embedded electronic device in a normal mode transmits a periodic signal to the auxiliary updating device through the serial transmission port, and the auxiliary updating device transmits status information to the embedded electronic device according to the periodic signal. If the status information is mode switching information, the embedded electronic device enters a special mode, and the embedded electronic device in the special mode receives update data from the auxiliary updating device through the serial transmission port to update internal data of the embedded electronic device.Type: GrantFiled: November 4, 2019Date of Patent: April 13, 2021Assignee: PEGATRON CORPORATIONInventors: Wei-Ling Chen, Po-Han Lin
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Publication number: 20200393334Abstract: A monitoring system and a control module thereof for monitoring a working fluid in a tank are disclosed. The monitoring system includes the tank, a sampling unit, a detecting agent tank, and a control module. The sampling unit is to obtain a sample of the working fluid from a sampling opening of the tank. The detecting agent tank is to inject a detecting agent to the sample. A detector of the control module is to detect the sample and input a detection result to a processing unit of the control module for subsequent processing. The control module can periodically obtain the sample through a timer. When the detection result exceeds a setting value, the processing unit will turn off the power switch of the working machine to stop the operation process and notify the operator to replace the working fluid.Type: ApplicationFiled: October 31, 2019Publication date: December 17, 2020Inventors: HSIEN-CHUNG YU, WEI-LING CHEN