Patents by Inventor Wen-Chuan Chen
Wen-Chuan 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).
-
Publication number: 20250128036Abstract: A microneedle device includes a substrate and a plurality of microneedle structures. The substrate is provided with a first surface, where the first surface has a surface roughness ranged from 0.05 ?m to 2.0 ?m. The plurality of microneedle structures are configured on the first surface. Because the surface of the microneedle device has a surface roughness of 0.05 ?m to 2.0 ?m, a film can be formed completely.Type: ApplicationFiled: August 20, 2024Publication date: April 24, 2025Inventors: Wen-Chuan Chen, Cheng-Hsiung Chen
-
Publication number: 20250114844Abstract: A cutter module including a cutter plate and at least one knife unit is provided. The cutter plate includes a base and at least one positioning slot. The positioning slots are configured to distribute along the edge of the base. Each positioning slot is sandwiched between two adjacent side walls that protrude from the base. A positioning slot has a first spacing and a second spacing. The second spacing is closer to the edge than the first spacing, and the first spacing is larger than the second spacing. A knife unit is correspondingly disposed in a positioning slot. The knife unit has a first width and a second width and the first width is larger than the second width.Type: ApplicationFiled: January 23, 2024Publication date: April 10, 2025Inventor: WEN-CHUAN CHEN
-
Patent number: 11950771Abstract: The present invention provides a supporting hook structure, comprising a sleeve, a fixing rod, a first limit unit, a hook and a fixing device. The fixing rod is connected to the side surface of the sleeve. The hook body is connected to one end of the sleeve. The first limit unit is arranged on the side surface of the sleeve and adjacent to the hook body. The first limit unit makes the hook body rotates with the axis direction of the sleeve as a rotation axis. The fixing device is connected to the other end of the sleeve to fix the rotating position of the hook body. Through the above, the hook part enters the proximal thigh from a surgical entrance and the hook part rotates to make the hook part abut against the proximal femur to complete the positioning and fixation of the femur hook structure to the femur.Type: GrantFiled: August 16, 2021Date of Patent: April 9, 2024Assignee: UNITED ORTHOPEDIC CORPORATIONInventors: Yan-Shen Lin, Jiann-Jong Liau, Yu-Liang Liu, Teh-Yang Lin, Wen-Chuan Chen
-
Publication number: 20230404831Abstract: A femoral lift apparatus includes a lift device and a hook device. The hook device is coupled to the lift device. The femoral lift apparatus is labor-saving and can avoid the problem that the conventional femoral lift apparatus may block the surgical view, hinder the operation position for a hip joint replacement surgery. With the assistance of this current femoral lift apparatus, the hip joint replacement surgery can be performed more smoothly.Type: ApplicationFiled: September 26, 2022Publication date: December 21, 2023Inventors: EDWIN P SU, Yan-Shen Lin, Jiann-Jong Liau, Yu-Liang Liu, Teh-Yang Lin, Wen-Chuan Chen
-
Publication number: 20220370060Abstract: The present invention provides a supporting hook structure, comprising a sleeve, a fixing rod, a first limit unit, a hook and a fixing device. The fixing rod is connected to the side surface of the sleeve. The hook body is connected to one end of the sleeve. The first limit unit is arranged on the side surface of the sleeve and adjacent to the hook body. The first limit unit makes the hook body rotates with the axis direction of the sleeve as a rotation axis. The fixing device is connected to the other end of the sleeve to fix the rotating position of the hook body. Through the above, the hook part enters the proximal thigh from a surgical entrance and the hook part rotates to make the hook part abut against the proximal femur to complete the positioning and fixation of the femur hook structure to the femur.Type: ApplicationFiled: August 16, 2021Publication date: November 24, 2022Inventors: YAN-SHEN LIN, JIANN-JONG LIAU, YU-LIANG LIU, TEH-YANG LIN, WEN-CHUAN CHEN
-
Patent number: 10241496Abstract: A multi-axis motor synchronization control system is provided, which may include a plurality of driving axes and the driving axes are coupled to one another; each of the driving axes may include a position loop controller, a velocity loop controller, a motor and a synchronization calibration device. The position loop controller may generate a velocity signal according to a position command. The velocity loop controller may generate a velocity command according to the velocity signal. The motor may operate according to the velocity command. The synchronization calibration device may calculate the average value of the position signal of the motor and the position signals of the motors of the adjacent driving axes, and then feedback the average value to the position loop controller so as to perform the synchronization calibration.Type: GrantFiled: December 1, 2015Date of Patent: March 26, 2019Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Po-Huan Chou, Wen-Chuan Chen, Feng-Chi Li
-
Patent number: 9664119Abstract: A gas flow adjusting device is provided, which includes a tube body, a first horizontal shaft, a second horizontal shaft, two leaf structures, a torsional spring and two linkage assemblies. The first and second horizontal shafts are disposed in an accommodating space of the tube body and spaced apart from each other along an axial direction of the tube body. The leaf structures are pivoted on the first horizontal shaft and have a swinging direction identical to the axial direction. The torsional spring is sleeved around the second horizontal shaft and provides a resilient force along the axial direction. The linkage assemblies are connected to the leaf structures respectively, and each of the linkage assemblies is connected to the second horizontal shaft and the torsional spring. Therefore, when the leaf structures swing to different angles, the twisting amounts of the torsional spring are minimally varied.Type: GrantFiled: August 7, 2015Date of Patent: May 30, 2017Inventor: Wen-Chuan Chen
-
Publication number: 20170038758Abstract: A multi-axis motor synchronization control system is provided, which may include a plurality of driving axes and the driving axes are coupled to one another; each of the driving axes may include a position loop controller, a velocity loop controller, a motor and a synchronization calibration device. The position loop controller may generate a velocity signal according to a position command. The velocity loop controller may generate a velocity command according to the velocity signal. The motor may operate according to the velocity command. The synchronization calibration device may calculate the average value of the position signal of the motor and the position signals of the motors of the adjacent driving axes, and then feedback the average value to the position loop controller so as to perform the synchronization calibration.Type: ApplicationFiled: December 1, 2015Publication date: February 9, 2017Inventors: PO-HUAN CHOU, WEN-CHUAN CHEN, FENG-CHI LI
-
Publication number: 20160201577Abstract: A gas flow adjusting device is provided, which includes a tube body, a first horizontal shaft, a second horizontal shaft, two leaf structures, a torsional spring and two linkage assemblies. The first and second horizontal shafts are disposed in an accommodating space of the tube body and spaced apart from each other along an axial direction of the tube body. The leaf structures are pivoted on the first horizontal shaft and have a swinging direction identical to the axial direction. The torsional spring is sleeved around the second horizontal shaft and provides a resilient force along the axial direction. The linkage assemblies are connected to the leaf structures respectively, and each of the linkage assemblies is connected to the second horizontal shaft and the torsional spring. Therefore, when the leaf structures swing to different angles, the twisting amounts of the torsional spring are minimally varied.Type: ApplicationFiled: August 7, 2015Publication date: July 14, 2016Inventor: Wen-Chuan CHEN
-
Patent number: 8861553Abstract: An asynchronous master-slave serial communication system, a data transmission method, and a control module using the same are disclosed. The asynchronous master-slave serial communication system comprises a master control module and a slave control module. The master control module generates a check code according to an address information and a data information, and generates a data package according to the address information, the data information, the check code and the master clock signal. The slave control module generates a decoding data according to the data package and a slave clock signal, and generates the address information, the data information and the check code according to the decoding data.Type: GrantFiled: August 12, 2011Date of Patent: October 14, 2014Assignee: Industrial Technology Research InstituteInventors: Wen-Chuan Chen, Ying-Min Chen, Chia-Ching Lin, Cheng-Xue Wu, Jing-Yi Huang
-
Publication number: 20140143468Abstract: A real-time sampling device for being coupled to a processing unit includes a first register, a second register, a third register, a trigger output element and a timer for outputting an interrupt signal. The first register externally receives and processes a first input signal to produce processed data. The second register retrieves the processed data from the first register upon receiving the interrupt signal, and the processing unit, upon receiving the interrupt signal, retrieves the processed data from the second register and performs calculation thereon to produce a processed data calculation value and temporarily store the processed data calculation value in the third register. The trigger output element outputs the processed data calculation value in the third register in real time upon receiving the interrupt signal. The real-time sampling device an be applied to digital control systems in order to perform real-time sampling on controlled subjects.Type: ApplicationFiled: October 24, 2013Publication date: May 22, 2014Applicant: Industrial Technology Research InstituteInventors: Ying-Min CHEN, Wen-Chuan CHEN, Jing-Yi HUANG, Yi-Hsueh YANG, Feng-Chi LEE
-
Patent number: 8421961Abstract: An active device array substrate including a substrate, a plurality of scan lines, a plurality of data lines, a plurality of active devices, a first passivation layer, a transparent pad layer, a plurality of color filter patterns, a second passivation layer, a plurality of pixel electrodes, and a black matrix layer is provided. Each of the active devices is electrically connected to one of the scan lines and one of the data lines, respectively. The transparent pad layer having a plurality of openings for accommodating the color filter patterns is disposed on the first passivation layer located above the scan lines and the data lines. The first passivation layer, the color filter patterns and the second passivation layer have a plurality of contact windows therein. The black matrix layer is disposed above the transparent pad layer to cover a portion of the pixel electrodes.Type: GrantFiled: March 26, 2010Date of Patent: April 16, 2013Assignee: Au Optronics CorporationInventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Wen-Chuan Chen
-
Publication number: 20120275454Abstract: An asynchronous master-slave serial communication system, a data transmission method, and a control module using the same are disclosed. The asynchronous master-slave serial communication system comprises a master control module and a slave control module. The master control module generates a check code according to an address information and a data information, and generates a data package according to the address information, the data information, the check code and the master clock signal. The slave control module generates a decoding data according to the data package and a slave clock signal, and generates the address information, the data information and the check code according to the decoding data.Type: ApplicationFiled: August 12, 2011Publication date: November 1, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wen-Chuan Chen, Ying-Min Chen, Chia-Ching Lin, Cheng-Xue Wu, Jing-Yi Huang
-
Patent number: 8293572Abstract: The injection molding system comprises a substrate, an inner cover, a molding tool, and a bottom plate. The substrate is used to locate at least one semiconductor device under molding and the inner cover with at least one first injection via, cavity and runner placed over the substrate. In addition, the molding tool includes at least one second injecting via aligned with the runner and the bottom plate is placed under the substrate. Furthermore, a filling material is filled into the cavity and runner of the inner cover during molding. In order to avoid overflowing the filling material, the system further comprises an O-ring placed between the molding tool and the inner cover. The inner radius of the O-ring corresponds with the inner radius of the injection via and is aligned with it.Type: GrantFiled: January 20, 2011Date of Patent: October 23, 2012Assignee: ADL Engineering Inc.Inventors: Wen-Chuan Chen, Nan-Chun Lin
-
Publication number: 20120187582Abstract: The injection molding system comprises a substrate, an inner cover, a molding tool, and a bottom plate. The substrate is used to locate at least one semiconductor device under molding and the inner cover with at least one first injection via, cavity and runner placed over the substrate. In addition, the molding tool includes at least one second injecting via aligned with the runner and the bottom plate is placed under the substrate. Furthermore, a filling material is filled into the cavity and runner of the inner cover during molding. In order to avoid overflowing the filling material, the system further comprises an O-ring placed between the molding tool and the inner cover. The inner radius of the O-ring corresponds with the inner radius of the injection via and is aligned with it.Type: ApplicationFiled: January 20, 2011Publication date: July 26, 2012Inventors: Wen-Chuan Chen, Nan-Chun Lin
-
Patent number: 8090455Abstract: A motion control servo loop apparatus, comprising: a feed-forward control module, and a proportional-integral-derivative (PID) control loop and a compensation adder. The feed-forward control module is capable of generating a feed-forward compensation. The PID control loop further comprises: a proportional control module, an integral control module and a derivative control module. The proportional control module is capable of generating a proportional compensation. The derivative control module is capable of generating a derivative compensation. The integral control module uses a digital differential analyzer (DDA) algorithm to perform integration for accumulated errors with respect to each sampling clock at each DDA pulse and thus output an accumulated error, which is then processed to generate an integral compensation.Type: GrantFiled: May 15, 2009Date of Patent: January 3, 2012Assignee: Industrial Technology Research InstituteInventors: Ying-Min Chen, Wen-Chuan Chen, Jing-Yi Huang, Cheng-Xue Wu, Chia-Ching Lin, Wan-Kai Shen
-
Publication number: 20110084289Abstract: An active device array substrate including a substrate, a plurality of scan lines, a plurality of data lines, a plurality of active devices, a first passivation layer, a transparent pad layer, a plurality of color filter patterns, a second passivation layer, a plurality of pixel electrodes, and a black matrix layer is provided. Each of the active devices is electrically connected to one of the scan lines and one of the data lines, respectively. The transparent pad layer having a plurality of openings for accommodating the color filter patterns is disposed on the first passivation layer located above the scan lines and the data lines. The first passivation layer, the color filter patterns and the second passivation layer have a plurality of contact windows therein. The black matrix layer is disposed above the transparent pad layer to cover a portion of the pixel electrodes.Type: ApplicationFiled: March 26, 2010Publication date: April 14, 2011Applicant: AU OPTRONICS CORPORATIONInventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Wen-Chuan Chen
-
Publication number: 20110071636Abstract: A displacement leaf spring and an artificial intervertebral disc containing the same, particularly about the artificial intervertebral disc using the displacement leaf spring to cushion axial compression, wherein the artificial intervertebral disc includes a displacement leaf spring and the displacement leaf spring further includes an upper plate, an inclined plate, and a lower plate. The upper plate has a first breach, and the inclined plate has a first connecting side which connects to one side of the first breach. There is an angle between the inclined plate and the upper plate. The inclined plate has a second breach, and the lower plate has a second connecting side which connects to one side of the second breach. There is an angle between the lower plate and the inclined plate, and the lower plate parallels the upper plate. The artificial intervertebral disc equipped with the displacement leaf spring further comprises a top plate, a bottom plate, a core structure, and a socket structure.Type: ApplicationFiled: November 30, 2009Publication date: March 24, 2011Applicant: NATIONAL YANG MING UNIVERSITYInventors: Yang-Hwei Tsuang, Cheng-Kung Cheng, Hung-Wen Wei, Chang-Jung Chiang, Wen-Chuan Chen, Yueh-Feng Chiang, Wei-Cheng Wang
-
Publication number: 20100217389Abstract: The present invention discloses a graft attachment device for cruciate ligament reconstruction comprises a body having a screw portion with a threading area on the front end of the body, a connection member disposed on the front end, a gap formed between the front end and a predetermined portion of the body adapted for a rope-type member pass through, a pivoting member pivoted on the rear end of the body with its front end, the rear end of the pivoting member having a juncture portion for fixing a ligament, thereby the device could be screwed and fixed on a bone when rotating the device, and seamed a ligament on the rear end of the device.Type: ApplicationFiled: May 18, 2009Publication date: August 26, 2010Applicant: NATIONAL YANG-MING UNIVERSITYInventors: Cheng-Kung CHENG, Chih-Hwa CHEN, Hung-Wen WEI, Wen-Chuan CHEN, Ping-Sheng YU
-
Publication number: 20100152868Abstract: A motion control servo loop apparatus, comprising: a feed-forward control module, and a proportional-integral-derivative (PID) control loop and a compensation adder. The feed-forward control module is capable of generating a feed-forward compensation. The PID control loop further comprises: a proportional control module, an integral control module and a derivative control module. The proportional control module is capable of generating a proportional compensation. The derivative control module is capable of generating a derivative compensation. The integral control module uses a digital differential analyzer (DDA) algorithm to perform integration for accumulated errors with respect to each sampling clock at each DDA pulse and thus output an accumulated error, which is then processed to generate an integral compensation.Type: ApplicationFiled: May 15, 2009Publication date: June 17, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ying-Min Chen, Wen-Chuan Chen, Jing-Yi Huang, Cheng-Xue Wu, Chia-Ching Lin, Wan-Kai Shen