Patents by Inventor Chia Hui Yu
Chia Hui Yu 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).
-
Publication number: 20230062017Abstract: A feed dog device of a sewing machine includes a driving unit, a needle plate unit, a feed dog unit, an up-down transmitting unit, a horizontal transmitting unit and a direction adjusting unit. The direction adjusting unit includes a stepper motor with a variable rotational speed controlled in accordance with a speed of the driving shaft of the driving unit, and a linkage mechanism actuatable by the stepper motor to be moved to different positions so as to interfere with a horizontal reciprocating motion by the horizontal transmitting unit such that the horizontal reciprocating motion cooperates with the up-down reciprocating motion by the up-down transmitting unit to bring the feed dog unit into performing a variable moving course.Type: ApplicationFiled: December 21, 2021Publication date: March 2, 2023Applicant: ZENG HSING INDUSTRIAL CO., LTD.Inventors: Ching-Lin HUANG, Su-Mei LIN, Chih-Hsiao CHENG, Chia-Hui YU
-
Patent number: 11505529Abstract: A series of 8-phenyl-isoquinoline derivatives (I) exhibit high binding affinity to 5-HT7 receptor (5-HT7R) and demonstrate potent antinociceptive activity in two animal models for Irritable Bowel Syndrome (IBS) by intraperitoneal injection (i.p.) or by oral administration (p.o.). These 5-HT7 receptor antagonists are a new class of therapeutic agents for the treatment of IBS.Type: GrantFiled: March 2, 2018Date of Patent: November 22, 2022Assignee: NATIONAL TAIWAN UNIVERSITYInventor: Linda Chia-Hui Yu
-
Connection interface circuit, memory storage device and phase-locked loop circuit calibration method
Patent number: 11251799Abstract: A phase-locked loop circuit calibration method for a memory storage device including a rewritable non-volatile memory module is provided according to an exemplary embodiment of the disclosure. The method includes: receiving a first signal from a host system; generating a jitter signal by the memory storage device; generating a second signal according to the first signal and the jitter signal; performing a phase-lock operation on the second signal to generate a third signal by a phase-locked loop circuit; and calibrating an electrical parameter of the phase-locked loop circuit according to a variation of a time difference between the first signal and the third signal.Type: GrantFiled: February 17, 2020Date of Patent: February 15, 2022Assignee: PHISON ELECTRONICS CORP.Inventors: Chia-Hui Yu, Wun-Jian Su, Yu-Jung Chiu, Chiao-Chieh Yang -
Patent number: 11139816Abstract: A clock and data recovery circuit is disclosed. The clock and data recovery circuit includes a phase detection circuit, a first voting circuit, a low-pass filtering circuit and a phase interpolation circuit. The phase detection circuit is configured to receive a first signal and a clock signal and generate a phase signal. The first voting circuit is configured to charge at least one capacitance component according to the phase signal and generate a first voting signal according to a charging result. The low-pass filtering circuit is configured to generate a phase control signal according to the first voting signal. The phase interpolation circuit is configured to generate the clock signal according to the phase control signal.Type: GrantFiled: March 18, 2020Date of Patent: October 5, 2021Assignee: PHISON ELECTRONICS CORP.Inventors: Jen-Chu Wu, Po-Min Cheng, Wun-Jian Su, Chia-Hui Yu
-
Publication number: 20210273642Abstract: A clock and data recovery circuit is disclosed. The clock and data recovery circuit includes a phase detection circuit, a first voting circuit, a low-pass filtering circuit and a phase interpolation circuit. The phase detection circuit is configured to receive a first signal and a clock signal and generate a phase signal. The first voting circuit is configured to charge at least one capacitance component according to the phase signal and generate a first voting signal according to a charging result. The low-pass filtering circuit is configured to generate a phase control signal according to the first voting signal. The phase interpolation circuit is configured to generate the clock signal according to the phase control signal.Type: ApplicationFiled: March 18, 2020Publication date: September 2, 2021Applicant: PHISON ELECTRONICS CORP.Inventors: Jen-Chu Wu, Po-Min Cheng, Wun-Jian Su, Chia-Hui Yu
-
CONNECTION INTERFACE CIRCUIT, MEMORY STORAGE DEVICE AND PHASE-LOCKED LOOP CIRCUIT CALIBRATION METHOD
Publication number: 20210203334Abstract: A phase-locked loop circuit calibration method for a memory storage device including a rewritable non-volatile memory module is provided according to an exemplary embodiment of the disclosure. The method includes: receiving a first signal from a host system; generating a jitter signal by the memory storage device; generating a second signal according to the first signal and the jitter signal; performing a phase-lock operation on the second signal to generate a third signal by a phase-locked loop circuit; and calibrating an electrical parameter of the phase-locked loop circuit according to a variation of a time difference between the first signal and the third signal.Type: ApplicationFiled: February 17, 2020Publication date: July 1, 2021Applicant: PHISON ELECTRONICS CORP.Inventors: Chia-Hui Yu, Wun-Jian Su, Yu-Jung Chiu, Chiao-Chieh Yang -
Patent number: 10883212Abstract: A position indicating circuit includes: first and second input terminals for respectively receiving first and second voltages; an output terminal; a first resistor; and a second resistor having a first terminal coupled to the first input terminal through the first resistor, a second terminal coupled to the second input terminal, and a third terminal coupled to the output terminal. The second resistor is used to be actuated by a pedal of a foot controller of a sewing machine such that a voltage at the output terminal has a magnitude related to a position of the pedal. A detecting system that uses the position indicating circuit and that can determine whether the foot controller is coupled to a main body of the sewing machine is also provided.Type: GrantFiled: February 1, 2019Date of Patent: January 5, 2021Assignee: ZENG HSING INDUSTRIAL CO., LTD.Inventors: Wen-Fan Chang, Chia-Hui Yu
-
Publication number: 20200248349Abstract: A position indicating circuit includes: first and second input terminals for respectively receiving first and second voltages; an output terminal; a first resistor; and a second resistor having a first terminal coupled to the first input terminal through the first resistor, a second terminal coupled to the second input terminal, and a third terminal coupled to the output terminal. The second resistor is used to be actuated by a pedal of a foot controller of a sewing machine such that a voltage at the output terminal has a magnitude related to a position of the pedal. A detecting system that uses the position indicating circuit and that can determine whether the foot controller is coupled to a main body of the sewing machine is also provided.Type: ApplicationFiled: February 1, 2019Publication date: August 6, 2020Inventors: Wen-Fan Chang, Chia-Hui Yu
-
Publication number: 20200071274Abstract: A series of 8-phenyl-isoquinoline derivatives (I) exhibit high binding affinity to 5-HT7 receptor (5-HT7R) and demonstrate potent antinociceptive activity in two animal models for Irritable Bowel Syndrome (IBS) by intraperitoneal injection (i.p.) or by oral administration (p.o.). These 5-HT7 receptor antagonists are a new class of therapeutic agents for the treatment of IBS.Type: ApplicationFiled: March 2, 2018Publication date: March 5, 2020Inventor: Linda Chia-Hui Yu
-
Phase-locked loop circuit calibration method, memory storage device and connection interface circuit
Patent number: 10523223Abstract: A phase-locked loop circuit calibration method for a memory storage device including a rewritable non-volatile memory module is provided according to an exemplary embodiment of the disclosure. The method includes: receiving a first signal from a host system; generating a jitter signal by the memory storage device; generating a second signal according to the first signal and the jitter signal; performing a phase-lock operation on the second signal to generate a third signal by a phase-locked loop circuit; and detecting the third signal to calibrate an electronic parameter of the phase-locked loop circuit.Type: GrantFiled: May 8, 2018Date of Patent: December 31, 2019Assignee: PHISON ELECTRONICS CORP.Inventors: Chia-Hui Yu, Wei-Yung Chen -
Patent number: 10435830Abstract: A buttonhole sewing guiding device of a sewing machine includes a buttonhole presser foot unit disposed on a presser foot holder of the sewing machine, and a sensing unit disposed on the buttonhole presser foot unit. A presser frame of the foot unit is movable relative to a sliding member between first and second sewing positions set in accordance with an operating distance that corresponds to a size of a button to allow first and second triggering members to initiate a sensing module for controlling operation of a sewing needle.Type: GrantFiled: January 11, 2018Date of Patent: October 8, 2019Assignee: ZENG HSING INDUSTRIAL CO., LTD.Inventor: Chia-Hui Yu
-
PHASE-LOCKED LOOP CIRCUIT CALIBRATION METHOD, MEMORY STORAGE DEVICE AND CONNECTION INTERFACE CIRCUIT
Publication number: 20190288700Abstract: A phase-locked loop circuit calibration method for a memory storage device including a rewritable non-volatile memory module is provided according to an exemplary embodiment of the disclosure. The method includes: receiving a first signal from a host system; generating a jitter signal by the memory storage device; generating a second signal according to the first signal and the jitter signal; performing a phase-lock operation on the second signal to generate a third signal by a phase-locked loop circuit; and detecting the third signal to calibrate an electronic parameter of the phase-locked loop circuit.Type: ApplicationFiled: May 8, 2018Publication date: September 19, 2019Applicant: PHISON ELECTRONICS CORP.Inventors: Chia-Hui Yu, Wei-Yung Chen -
Publication number: 20190055685Abstract: A buttonhole sewing guiding device of a sewing machine includes a buttonhole presser foot unit disposed on a presser foot holder of the sewing machine, and a sensing unit disposed on the buttonhole presser foot unit. A presser frame of the foot unit is movable relative to a sliding member between first and second sewing positions set in accordance with an operating distance that corresponds to a size of a button to allow first and second triggering members to initiate a sensing module for controlling operation of a sewing needle.Type: ApplicationFiled: January 11, 2018Publication date: February 21, 2019Applicant: ZENG HSING INDUSTRIAL CO., LTD.Inventor: Chia-Hui YU
-
Publication number: 20140049728Abstract: The present invention relates to a light guide plate, a light-emitting unit having the light guide plate and a liquid crystal display device having the light-emitting unit. The light guide plate includes a light guide layer that has dot patterns. The dot patterns are formed by coating and drying a pattern-forming ink composition on a bottom surface. The pattern-forming ink composition includes an acrylate-based resin having a saturated alicyclic group (A) and a solvent (B). By utilizing the aforementioned light guide plate, the liquid crystal display device with low color difference can be fabricated.Type: ApplicationFiled: August 5, 2013Publication date: February 20, 2014Applicant: CHI MEI CORPORATIONInventors: Chih-Hung LIN, Chia-Hui YU
-
Publication number: 20140016063Abstract: The present invention relates to a light guide plate, a light-emitting unit having the light guide plate and a liquid crystal display (LCD) device having the light-emitting unit. The light guide plate includes a pattern-forming ink composition that is coated and dried on a bottom surface of the light guide plate, so as to form dot patterns as a light guide layer. The pattern-forming ink composition includes an acrylate-based resin (A), a yellow pigment (B), a filling material (C) and a solvent (D). A LCD device including the aforementioned light guide plate can achieve the requirements of high brightness and low color temperature.Type: ApplicationFiled: July 3, 2013Publication date: January 16, 2014Inventors: Chih-Hung LIN, Chia-Hui YU
-
Publication number: 20130335645Abstract: A photosensitive resin composition includes (A) a conjugated diene polymer having a (meth)acryloyl group, (B) a compound having at least one ethylenically unsaturated group, (C) a photo-initiator, and (D) a compound represented by formula (I): where R1 and R2 independently represent a C1-C20 alkyl group or a C1-C20 aryl group, R3 represents hydrogen or methyl, and a is an integer ranging from 2 to 20.Type: ApplicationFiled: June 18, 2013Publication date: December 19, 2013Inventors: Chia-Hui YU, Chih-Hung LIN
-
Publication number: 20130021543Abstract: A photosensitive resin composition includes: a copolymer obtained by subjecting a conjugated diene polymer having a (meth)acryloyl group, a conjugated diene monomer, and a (meth)acrylic acid monomer to copolymerization; a compound having at least one ethylenically unsaturated group; and a photoinitiator. The copolymer contains 60 wt % to 99 wt % of a copolymer fraction having a molecular weight ranging from 30,000 to 900,000, and 1 wt % to 22 wt % of a copolymer fraction having a molecular weight ranging from 1,000 to 10,000 when calculated from an integral molecular weight distribution curve obtained by plotting cumulative weight percentage versus molecular weight falling within a range between 1,000 and 1,000,000 measured by gel permeation chromatography.Type: ApplicationFiled: July 11, 2012Publication date: January 24, 2013Applicant: CHI MEI CORPORATIONInventors: Chih-Hung LIN, Chia-Hui YU
-
Publication number: 20130012669Abstract: A thermosetting resin composition includes an epoxy resin, a polyetheramine curing agent, and an epoxy silane coupling agent. The polyetheramine curing agent is in an amount less than or equal to 10 parts by weight and the epoxy silane coupling agent is in an amount more than or equal to 10 parts by weight based on 100 parts by weight of the epoxy resin.Type: ApplicationFiled: June 21, 2012Publication date: January 10, 2013Inventors: Chih-Hung LIN, Chia-Hui Yu
-
Publication number: 20120002138Abstract: The present invention relates to a pattern forming ink composition, and more particularly, to a pattern forming ink composition having high yellowing resistance, wherein the pattern forming ink composition including an acrylate-based resin having a ring structure (A), a compound having at least one ethylenically unsaturated double bond (B) and a photoinitiator (C). The pattern forming ink is printed as a reflection pattern on a light guide plate to scatter and reflect the light incident to the reflection pattern towards a light emitting surface of the light guide plate.Type: ApplicationFiled: June 24, 2011Publication date: January 5, 2012Inventors: Chih-Hung Lin, Chia Hui Yu
-
Publication number: 20090287077Abstract: A system for detecting function of an intestinal barrier in a subject is provided, which includes: a contrast agent for being administered directly to an intestinal lumen of the subject, allowing a detecting device to detect in vivo or in vitro the signal indication produced by the contrast agent in the tested targets such as abdominal organs or a blood sample; and a determining device for determining intensity of the signal indication produced by the contrast agent in the tested targets after the administration of the contrast agent so as for the intensity of the signal indication after the administration of the contrast agent to indicate damage of the intestinal barrier in the subject. The present invention also provides a method of detecting function of the intestinal barrier in a subject by using the system of the present invention.Type: ApplicationFiled: February 19, 2009Publication date: November 19, 2009Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Linda Chia-Hui Yu, Jong-Kai Hsiao