Patents by Inventor Chang Peng
Chang Peng 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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Publication number: 20210006063Abstract: Disclosed herein are systems and methods for progressively switched solid-state direct current circuit breakers (“DCCBs”). According to one embodiment, a progressively switched solid-state DCCB includes a fault-sensing device to sense a fault condition in the current provided to a load is disclosed. A controller is configured to receive fault-sensing information from the fault-sensing device and provide control signals for progressively switching the DCCB based on the fault-sensing information. At least two stages, each include two or more series connected power electronic switches, two or more power electronic switches configured to interrupt control current flow through the power electronic switches responsive to receiving one of the control signals, and a voltage clamping device configured to clamp a voltage across the two or more power electronic switches when current flow through the switches is interrupted.Type: ApplicationFiled: July 2, 2020Publication date: January 7, 2021Inventors: Landon K. Mackey, Iqbal Husain, Chang Peng
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Publication number: 20200339906Abstract: The invention discloses a photocured medical catheter hydrophilic lubricating coating and a preparation method thereof. The hydrophilic lubricating coating comprises a primer coating and a lubricating coating. The primer coating is attached to the surface of a device, and the lubricating coating is attached to the primer coating. The primer coating comprises 1-10 parts by weight of one or more polyester acrylates, 50-90 parts by weight of one or more solvents, 0.5-5 parts by weight of one or more photoinitiators, 0.5-2 parts by weight of one or more wetting agents and 0.5-5 parts by weight of one or more reactive (or active) diluents. The lubricating coating comprises 1-10 parts by weight of one or more water soluble macromolecules, 1-5 parts by weight of one or more crosslinking (or crosslinked) macromolecules, 0-1 part by weight of one or more photoinitiators, 0.1-1 part by weight of one or more surfactants and 50-98 parts by weight of one or more solvents.Type: ApplicationFiled: July 2, 2020Publication date: October 29, 2020Inventors: Jingjing ZHU, Songyun XU, Mian LI, Chang PENG, Yirong GONG
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Publication number: 20190378812Abstract: A device for producing semiconductor bump metal layer includes a front end transfer module including a normal pressure transfer chamber, a base material carrier, a heating and carrying interlock vacuum chamber, and a cooling interlock vacuum chamber; a pre-cooking device for receiving the plurality of base materials, forming high vacuum, and baking the base materials; a rear end cleaning sputtering module for receiving the plurality of base materials and cleaning the plurality of base materials and sputtering metal layers; then the plurality of base materials being transferred to the cooling interlock vacuum chamber. The robot in the normal pressure transfer chamber transfers the base materials to the pre-cooking device so as to bake the base materials in high vacuum to remove vapors in the plurality of base materials; then the base materials are transferred to the heating and carrying interlock vacuum chamber for baking again to a predetermined level.Type: ApplicationFiled: June 10, 2018Publication date: December 12, 2019Inventors: Yu-Hung Huang, Ying Hsien Chen, Hsin Yu Yao, Wei Liang Chan, Kuei Chang Peng, Nai Wei Yu, Yi Hsiang Chen
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Publication number: 20190355560Abstract: A PVD reactor with a function of alignment in covering an upper cover includes a cavity having a first contact surface; an interior of the cavity having a metal isolation plate; an upper cover pivotally installed to the cavity; the upper cover having a second contact surface which is positioned corresponding to the first contact surface of the cavity; the upper cover being capable of being combined with a target; a plurality of semi-spherical recesses in the first contact surface of the cavity; and a plurality of semi-spherical protrusions in the second contact surface; when the upper cover covers upon the cavity, the plurality of semi-spherical protrusions will embed into the plurality of semi-spherical recesses.Type: ApplicationFiled: May 21, 2018Publication date: November 21, 2019Inventors: YING HSIEN CHENG, Yuan Yuan Song, Wei Chuan Chou, Hsin-Chih Chiu, Yu Hung Huang, Kuei Chang Peng
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Publication number: 20190003332Abstract: At least one embodiment of the present invention provides a sealing telemetry assembly used for a gas turbine. The gas turbine includes at least one turbine disk, and the sealing telemetry assembly includes a sealing cover and at least one power supply apparatus. The sealing cover is used to cover the turbine disk, and the sealing cover includes a cavity forming portion and a cover. At least one installation cavity is provided within the cavity forming portion, and the cover covers and is fixed to the cavity forming portion. The power supply apparatus is configured in the installation cavity. A gas turbine, a sealing cover, and a manufacturing method of a sealing telemetry assembly are also provided. They can improve working performance of the gas turbine, reduce production costs, and monitor an internal working environment of the gas turbine.Type: ApplicationFiled: December 30, 2015Publication date: January 3, 2019Applicant: Siemens AktiengesellschaftInventors: Guo Feng CHEN, Rui Chun DUAN, Chang Peng LI, Zhi Qi YAO
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Publication number: 20180338746Abstract: The disclosure is directed to a power management method and an ultrasound apparatus using the same. The ultrasound apparatus includes an ultrasound probe, an TRX circuit, a position sensor, and a processor. In the disclosure, power is supplied to the ultrasound apparatus, and an ultrasound scanning is performed. During the ultrasound scanning, position information of the ultrasound probe is being continuously detected by the position sensor. Whether the ultrasound probe is in a static state during the ultrasound scanning is determined. When determined that the ultrasound probe is in the static state during the ultrasound scanning, a power saving mode is entered, such that the ultrasound scanning is stopped. Within the power saving mode, the position information is continuously detected. Whether the ultrasound probe is still in the static state under the power saving mode is determined.Type: ApplicationFiled: May 24, 2017Publication date: November 29, 2018Applicant: Leltek Inc.Inventors: Chien-Hsin Wu, Ying-Yi Liu, Sheng-Chang Peng, Kuo-Ping Liu
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Publication number: 20180125454Abstract: An ultrasound apparatus and a method of emitting plane wave are provided. The ultrasound apparatus includes an ultrasound probe, a transceiver circuit, a switch module and a processor. The ultrasound probe has a 1st to a Mth transducer elements for respectively emitting ultrasound beams to form the plane wave, and the transceiver circuit has a 1st to a Nth transceiving channels. M, N are positive integers, and M is a multiple of N. During a scanning period, the processor controls the switch module to initially and respectively connect the 1st-Nth transceiving channels to the 1st-Nth transducer elements, such that the 1st-Nth transducer elements successively emit the ultrasound beams. After the ultrasound beam is emitted by the Nth transducer element, the processor controls the switch module to respectively connect the 1st-Nth transceiving channels to the (N+1)th-(2N)th transducer elements, such that the (N+1)th-(2N)th transducer elements successively emit the ultrasound beams.Type: ApplicationFiled: November 10, 2016Publication date: May 10, 2018Applicant: Leltek Inc.Inventors: Ying-Yi Liu, Sheng-Chang Peng, Kuo-Ping Liu
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Patent number: 9347241Abstract: A pushbutton type easy-code-change handle lock includes an outdoor assembly, a latch bolt arresting member, a latch bolt, and an indoor assembly. The outdoor assembly is mounted to an outside surface of a door panel and is coupled to an end of the latch bolt arresting member. The latch bolt arresting member drives the latch bolt to move. The indoor assembly is coupled to an opposite end of the latch bolt arresting member. The outdoor assembly includes a mechanical combination lock. When a user enters a correct combination of codes, the mechanical combination lock is operated and the external door handle and the latch bolt are operated synchronously to open the door; and if no code is provided, a key may be used to open the door; and if both codes and key are not provided, the external door handle and the latch bolt cannot be operated synchronously.Type: GrantFiled: December 18, 2014Date of Patent: May 24, 2016Assignees: FU CHANG LOCKS MFG. CORP., LEON SPECIALTY INC.Inventor: Fu-Chang Peng
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Patent number: 9181730Abstract: An improved driving structure of an electronic lock includes an outdoor assembly, a lock core, an indoor assembly, and a latch bolt. The outdoor assembly is mounted to an outside surface of a door panel. The indoor assembly is mounted to an inside surface of the door panel. The lock core is arranged between the outdoor assembly and the indoor assembly and coupled thereto. The lock core is operatively coupled to the latch bolt. As such, an improved structure of an electronic lock is constructed. When a user enters a correct combination of codes, the electrical valve of the lock core stretches the projection block outward to engage the second stopper so as to allow the exterior handle and the lock core to be operated synchronously for unlocking. Without the combination of codes, a key may be used to unlock the door.Type: GrantFiled: December 18, 2014Date of Patent: November 10, 2015Inventor: Fu-Chang Peng
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Patent number: 8933343Abstract: An electronic structure includes a substrate body, an electronic package structure and a conductive unit. The electronic package structure is disposed on the substrate body. The electronic package structure includes a first inner electrode portion, a second inner electrode portion, a first outer electrode portion electrically connected to the first inner electrode portion, and a second outer electrode portion electrically connected to the second inner electrode portion. The conductive unit includes a first conductive body and a second conductive body respectively electrically contacting the first and the second outer electrode portions. The electronic package structure has a first notch and a second notch, the first outer electrode portion is extended into the first notch to contact the top surface of the first inner electrode portion, and the second outer electrode portion is extended into the second notch to contact the top surface of the second inner electrode portion.Type: GrantFiled: March 4, 2013Date of Patent: January 13, 2015Assignee: Inpaq Technology Co., Ltd.Inventors: Ming-Fung Hsieh, Yu-Chia Chang, Chun-Pin Huang, Yung-Chang Peng
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Publication number: 20140325198Abstract: An electronic device comprises a first memory unit, a processing unit and an operating interface. The processing unit is electronically connected to the first memory unit. The operating interface is electronically connected to the processing unit. When the processing unit is communicated with a host device via the operating interface, the processing unit executes a loading program and transmits a notification signal to the host device. The host device transmits at least one control program to the first memory unit according to the notification signal. When the control program is transmitted, the processing unit is reset and then executes the control program stored in the first memory unit. The stored firmware can be added or modified, and the circuit layout is simplified.Type: ApplicationFiled: April 14, 2014Publication date: October 30, 2014Applicant: Asmedia Technology Inc.Inventors: Chin-Lung WU, Sheng-Chang PENG
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Publication number: 20140247575Abstract: An electronic structure includes a substrate body, an electronic package structure and a conductive unit. The electronic package structure is disposed on the substrate body. The electronic package structure includes a first inner electrode portion, a second inner electrode portion, a first outer electrode portion electrically connected to the first inner electrode portion, and a second outer electrode portion electrically connected to the second inner electrode portion. The conductive unit includes a first conductive body and a second conductive body respectively electrically contacting the first and the second outer electrode portions. The electronic package structure has a first notch and a second notch, the first outer electrode portion is extended into the first notch to contact the top surface of the first inner electrode portion, and the second outer electrode portion is extended into the second notch to contact the top surface of the second inner electrode portion.Type: ApplicationFiled: March 4, 2013Publication date: September 4, 2014Applicant: INPAQ TECHNOLOGY CO., LTD.Inventors: MING-FUNG HSIEH, YU-CHIA CHANG, CHUN-PIN HUANG, YUNG-CHANG PENG
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Patent number: 8356499Abstract: An electric lock includes an outer door assembly, a nexus, an inner door assembly, and a latch bolt. The outer lock assembly is arranged to an outer side of a door. The nexus is connected to the outer door assembly. The inner door assembly is connected to the nexus and arranged to an inner side of the door. The latch bolt is connected to a latch bolt retaining unit of the nexus. An actuator of the nexus will move an engagement rod and a protruded block forward to engage an outer handle to the nexus for opening the door when inputting a correct password to the electric lock. The door can be opened by a proper key also. The nexus will be isolated from the outer handle to prevent damage to the nexus when a user does not have a right key and a correct password to the electric lock.Type: GrantFiled: July 8, 2010Date of Patent: January 22, 2013Assignee: Fu Chang Locks Mfg Corp.Inventor: Fu-Chang Peng
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Publication number: 20120006082Abstract: An electric lock includes an outer door housing, nexus, inner door housing, and a latch bolt. The outer lock housing is arranged to an outer side of a door. The nexus is connected to the outer door housing. The inner door housing is connected to the nexus and arranged to an inner side of the door. The latch bolt is connected to a latch bolt retaining unit of the nexus. An actuator of the nexus will extend a guiding block and a protruded block to engage the outer handle to the nexus for opening the door while user inputting a correct password to the electric lock. The door can be opened by a proper key also. The nexus will be isolated from the outer handle to prevent damage to the nexus while a user does not have a right key and password to the electric lock.Type: ApplicationFiled: July 8, 2010Publication date: January 12, 2012Inventor: FU-CHANG PENG
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Patent number: 7837850Abstract: An electroplating system is provided. The system comprises a reaction tank, a tube, and a video bubble detector. The reaction tank, having a first diameter, contains a plating solution. The tube, connecting to the reaction tank, comprises an inflow tube and a branch, wherein the inflow tube inputs the plating solution into the reaction tank, and the branch has an enlarged part having the first diameter. The video bubble detector, mounted on the enlarged part of the branch, detects the presence of a bubble in the plating solution flowing through the branch.Type: GrantFiled: September 28, 2005Date of Patent: November 23, 2010Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Ming-Da Guo, Pin-Chieh Hu, Hung-Cheng Chen, Kuan-Hsiao Lin, Wen-Chang Peng, Hsiao-Pin Shih, Chyi-Shyuan Chern
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Patent number: 7712800Abstract: An fireproof door lock assembly comprises a handle seat frame being a U shape frame; a press unit installed in the U shape frame of the handle seat frame; the press unit having a driven mechanism; the driven mechanism including a driven unit; a plurality of buckling units, an elastic unit, at least one vibration reduction element, at least one driving bodies, a bottom plate and a pin unit; a press element having an L shape and being attached to the driving body by using a plurality of studs passing through a connecting unit, the press element and a driving unit; and fireproof door lock installed in front of the handle seat frame; so that the driven mechanism of the press unit having the effect of opening the fireproof door look.Type: GrantFiled: January 20, 2008Date of Patent: May 11, 2010Assignee: Fu Chang Locks WFG Corp.Inventor: Fu-Chang Peng
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Patent number: 7712799Abstract: A hidden lock locked to an inner side of a doorplate comprises a top seat assembly; a top rod; the top seat assembly being assembled to the top rod; a linking rod installed to a lower side of the top rod; a lower rod; a lower head; a top seat assembly; a resisting unit. The connecting shaft having a groove, plurality of slots, a plurality of holes, an upper engaging tube and a lower engaging tube. A bent stop is extended from the resisting unit. When a top rod reduces inwards, the stop will resist against a neck of the top rod to prevent a lower head to contact the ground. A pin device is installed for retaining the lock in high temperature.Type: GrantFiled: December 3, 2007Date of Patent: May 11, 2010Assignee: Fu Chang Locks Mfg Corp.Inventor: Fu-Chang Peng
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Publication number: 20090292468Abstract: A system and method for fusing depth and radar data to estimate at least a position of a threat object relative to a host object is disclosed. At least one contour is fitted to a plurality of contour points corresponding to the plurality of depth values corresponding to a threat object. A depth closest point is identified on the at least one contour relative to the host object. A radar target is selected based on information associated with the depth closest point on the at least one contour. The at least one contour is fused with radar data associated with the selected radar target based on the depth closest point to produce a fused contour. Advantageously, the position of the threat object relative to the host object is estimated based on the fused contour. More generally, a method is provided for aligns two possibly disparate sets of 3D points.Type: ApplicationFiled: March 25, 2009Publication date: November 26, 2009Inventors: Shunguang Wu, Theodore Camus, Chang Peng
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Publication number: 20090183538Abstract: An fireproof door lock comprises a handle seat frame being a U shape frame; a press unit installed in the U shape frame of the handle seat frame; the press unit having a driven mechanism; the driven mechanism including a driven unit; a plurality of buckling units, an elastic unit, at least one vibration reduction element, at least one driving bodies, a bottom plate and a pin unit; a press element having an L shape and being attached to the driving body by using a plurality of studs passing through a connecting unit, the press element and a driving unit; and fireproof door lock installed at a front end of the fireproof door lock; so that the driven mechanism of the press unit having the effect of opening the fireproof door look.Type: ApplicationFiled: January 20, 2008Publication date: July 23, 2009Inventor: Fu-Chang PENG
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Publication number: 20090139283Abstract: A hidden lock locked to an inner side of a doorplate comprises a top seat assembly; a top rod; the top seat assembly being assembled to the top rod; a linking rod installed to a lower side of the top rod; a lower rod; a lower head; a top seat assembly; a resisting unit. The connecting shaft having a groove, plurality of slots, a plurality of holes, an upper engaging tube and a lower engaging tube. A bent stop is extended from the resisting unit. When a top rod reduces inwards, the stop will resist against a neck of the top rod to prevent a lower head to contact the ground. A pin device is installed for retaining the lock in high temperature.Type: ApplicationFiled: December 3, 2007Publication date: June 4, 2009Inventor: Fu-Chang Peng