Patents by Inventor Chun-Ming Lu

Chun-Ming Lu 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).

  • Patent number: 12259302
    Abstract: A test fixture configured to support a DUT (device under test) and including a bottom base, two mounting bases, a rotatable base and a supporting base. The two mounting bases stand on a side of the bottom base and are spaced apart from each other. The rotatable base is rotatably disposed on the two mounting bases. At least a part of the rotatable base is located between the two mounting bases. The supporting base is fixed on a side of the rotatable base and configured to support the DUT. When the supporting base is parallel to the bottom base, the supporting base is located on a side of the rotatable base located farthest away from the bottom base.
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: March 25, 2025
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Hsin Hua Chen, Chun-Ming Lu
  • Publication number: 20240310239
    Abstract: A test fixture configured to support a DUT (device under test) and including a bottom base, two mounting bases, a rotatable base and a supporting base. The two mounting bases stand on a side of the bottom base and are spaced apart from each other. The rotatable base is rotatably disposed on the two mounting bases. At least a part of the rotatable base is located between the two mounting bases. The supporting base is fixed on a side of the rotatable base and configured to support the DUT. When the supporting base is parallel to the bottom base, the supporting base is located on a side of the rotatable base located farthest away from the bottom base.
    Type: Application
    Filed: June 5, 2023
    Publication date: September 19, 2024
    Applicants: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Hsin Hua CHEN, Chun-Ming LU
  • Patent number: 11616431
    Abstract: A control circuit of a power converter includes a sensing circuit, a ramp signal generation circuit and a PWM circuit. The sensing circuit, coupled to an output circuit, provides a current sensing signal. The ramp signal generation circuit includes a transient circuit and a signal generation circuit. The transient circuit receives the current sensing signal and generates a variable reference voltage. The signal generation circuit provides a ramp signal according to the variable reference voltage. The PWM circuit provides a PWM signal to the output circuit according to the ramp signal. When current sourcing occurs, it continues for a first default time. A transient state during current sourcing continues for a second default time less than first default time. The variable reference voltage is changed from a default value to an adjusted value during the second default time and restored to the default value after the second default time.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: March 28, 2023
    Assignee: UPI SEMICONDUCTOR CORP.
    Inventors: Chih-Lien Chang, Wei-Hsiu Hung, Chun-Ming Lu, Min-Rui Lai
  • Patent number: 11397662
    Abstract: A method for debugging a program, based on simulating an object program and comparing simulated waveforms with standard waveforms are applied in an electronic device. A simulated environment corresponding to the object program is established and multiple instructions from code of the object program are mapped against the standard waveforms. Trigger points are set in the object program, the object program is run from the trigger point and simulation waveforms are stored. The simulation waveforms are compared with the standard waveforms, and the location of a bug of the object program is found according a comparison. The bug may be resolved or cured. The electronic device utilizing the method is also disclosed.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: July 26, 2022
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chun-Ming Lu, Chien-Fa Chen
  • Publication number: 20220149734
    Abstract: A control circuit of a power converter includes a sensing circuit, a ramp signal generation circuit and a PWM circuit. The sensing circuit, coupled to an output circuit, provides a current sensing signal. The ramp signal generation circuit includes a transient circuit and a signal generation circuit. The transient circuit receives the current sensing signal and generates a variable reference voltage. The signal generation circuit provides a ramp signal according to the variable reference voltage. The PWM circuit provides a PWM signal to the output circuit according to the ramp signal. When current sourcing occurs, it continues for a first default time. A transient state during current sourcing continues for a second default time less than first default time. The variable reference voltage is changed from a default value to an adjusted value during the second default time and restored to the default value after the second default time.
    Type: Application
    Filed: October 27, 2021
    Publication date: May 12, 2022
    Inventors: Chih-Lien CHANG, Wei-Hsiu HUNG, Chun-Ming LU, Min-Rui LAI
  • Publication number: 20220058109
    Abstract: A method for debugging a program, based on simulating an object program and comparing simulated waveforms with standard waveforms are applied in an electronic device. A simulated environment corresponding to the object program is established and multiple instructions from code of the object program are mapped against the standard waveforms. Trigger points are set in the object program, the object program is run from the trigger point and simulation waveforms are stored. The simulation waveforms are compared with the standard waveforms, and the location of a bug of the object program is found according a comparison. The bug may be resolved or cured. The electronic device utilizing the method is also disclosed.
    Type: Application
    Filed: August 17, 2021
    Publication date: February 24, 2022
    Inventors: CHUN-MING LU, CHIEN-FA CHEN
  • Patent number: 11188483
    Abstract: An architecture for a microcontroller includes a microcontroller, a system memory, an instruction memory, a data memory, a first bus, and a second bus, where the first and second buses perform functions of a single bus. The microcontroller connects to both buses. The instruction memory and the data memory are connected to the first bus. The system memory is connected to the second bus. The microcontroller transmits and receives data to and from the instruction memory and the data memory through the first bus. The microcontroller transmits and receives data to and from the system memory through the second bus. The instruction memory and the data memory transmit and receive data to and from the system memory through the second bus connected to the first bus, avoiding delays caused by rights and priorities and arbitration of same.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: November 30, 2021
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chun-Ming Lu, Chien-Fa Chen
  • Publication number: 20210334230
    Abstract: A method for accessing a data bus includes setting a first-come-first-served basis for determining priorities between masters in addition to a fixed priority being set between the same masters. A number of master ports are connected to a number of masters, and a number of slave ports are connected to a number of slaves. First and second multiplexers are connected between the master ports and the slave ports, a number of decoders are connected to the second multiplexers, and a number of arbiters are connected to the first multiplexers. The master ports have a fixed priority, but each arbiter, in receiving an access-request signal sent by a master port, can determine an order as to which of multiple master ports can access a slave port according to a combination of the fixed priority basis and the first-come-first-served basis. A system and a relevant device are also disclosed.
    Type: Application
    Filed: August 5, 2020
    Publication date: October 28, 2021
    Inventor: CHUN-MING LU
  • Publication number: 20210133129
    Abstract: An architecture for a microcontroller includes a microcontroller, a system memory, an instruction memory, a data memory, a first bus, and a second bus, where the first and second buses perform functions of a single bus. The microcontroller connects to both buses. The instruction memory and the data memory are connected to the first bus. The system memory is connected to the second bus. The microcontroller transmits and receives data to and from the instruction memory and the data memory through the first bus. The microcontroller transmits and receives data to and from the system memory through the second bus. The instruction memory and the data memory transmit and receive data to and from the system memory through the second bus connected to the first bus, avoiding delays caused by rights and priorities and arbitration of same.
    Type: Application
    Filed: May 26, 2020
    Publication date: May 6, 2021
    Inventors: CHUN-MING LU, CHIEN-FA CHEN
  • Publication number: 20190061307
    Abstract: A flexible web for clothing comprises a fabric substrate and a lining piece unit. The fabric substrate layer has a plurality of slits which are displaced from each other and each of which includes a first slit segment and a second slit segment. The lining piece unit is made from an absorbent polymer and includes a plurality of lining pieces each of which has a first marginal edge and a second marginal edge, and each of which is configured such that when bonded to the fabric substrate layer, the first and second marginal edges respectively border at the first and second slit segments.
    Type: Application
    Filed: January 11, 2018
    Publication date: February 28, 2019
    Inventors: Chun-Chou CHEN, Tsuo-Cheng HSIEH, Chun-Ming LU, Chi-Ling CHEN
  • Patent number: 9455951
    Abstract: An apparatus and method for forwarding a web address to another web address is presented. A web forwarder receives a request destined to a first web address including at least a domain name. The web forwarder then determines a forwarding uniform resource locator (URL) that corresponds to the domain name and redirects the request to a second web address that corresponds to the forwarding URL.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 27, 2016
    Assignee: NETWORK SOLUTIONS, LLC
    Inventors: Chun-Ming Lu, Vincent M. Lee
  • Patent number: 9249808
    Abstract: A fan module includes a casing, a fan, and two vibration absorption assemblies. The casing has an accommodating space. The fan is located in the accommodating space and keeps a distance from the casing. Each of the two vibration absorption assemblies includes two first vibration absorption components and a second vibration absorption component. The two first vibration absorption components are respectively in contact with the fan and separated from the casing, respectively. The second vibration absorption component is connected with two first vibration absorption components and the casing, respectively. The first vibration absorption components and the second vibration absorption components are adapted for absorbing the vibration waves having different frequency ranges.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: February 2, 2016
    Assignees: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATION
    Inventors: Chun-Ming Lu, Wen-Cheng Hu, Chun-Ying Yang, Yen-Cheng Lin, Ming-Hung Shih, Ying-Chao Peng
  • Publication number: 20140140816
    Abstract: A fan module includes a casing, a fan, and two vibration absorption assemblies. The casing has an accommodating space. The fan is located in the accommodating space and keeps a distance from the casing. Each of the two vibration absorption assemblies includes two first vibration absorption components and a second vibration absorption component. The two first vibration absorption components are respectively in contact with the fan and separated from the casing, respectively. The second vibration absorption component is connected with two first vibration absorption components and the casing, respectively. The first vibration absorption components and the second vibration absorption components are adapted for absorbing the vibration waves having different frequency ranges.
    Type: Application
    Filed: March 12, 2013
    Publication date: May 22, 2014
    Applicants: INVENTEC CORPORATION, INVENTEC (PUDONG) TECHNOLOGY CORPORATION
    Inventors: Chun-Ming Lu, Wen-Cheng Hu, Chun-Ying Yang, Yen-Cheng Lin, Ming-Hung Shih, Ying-Chao Peng
  • Publication number: 20140119905
    Abstract: A fan structure includes a casing, a fan, and two elastic members. The casing has an accommodation space. The fan is located in the accommodation space. The fan has a first side and a second side opposite to each other. One of the two elastic members is sandwiched between the casing and the first side of the fan. The other one of the two elastic members is sandwiched between the casing and the second side of the fan. The two elastic members normally keep the fan away from the casing, so as to make the fan contact the casing through the two elastic members, thereby achieving a damping effect.
    Type: Application
    Filed: March 7, 2013
    Publication date: May 1, 2014
    Applicants: INVENTEC CORPORATION, INVENTEC (PUDONG) TECHNOLOGY CORPORATION
    Inventors: Chun-Ming Lu, Wen-Cheng Hu, Chun-Ying Yang, Yen-Cheng Lin, Ming-Hung Shih, Ying-Chao Peng
  • Publication number: 20130198413
    Abstract: An apparatus and method for forwarding a web address to another web address is presented. A web forwarder receives a request destined to a first web address including at least a domain name. The web forwarder then determines a forwarding uniform resource locator (URL) that corresponds to the domain name and redirects the request to a second web address that corresponds to the forwarding URL.
    Type: Application
    Filed: March 14, 2013
    Publication date: August 1, 2013
    Applicant: NETWORK SOLUTIONS INC.
    Inventors: Chun-Ming Lu, Vincent M. Lee
  • Patent number: 8413043
    Abstract: An apparatus and method for forwarding a web address to another web address is presented. A web forwarder receives a request destined to a first web address including at least a domain name. The web forwarder then determines a forwarding uniform resource locator (URL) that corresponds to the domain name and redirects the request to a second web address that corresponds to the forwarding URL.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: April 2, 2013
    Assignee: Network Solutions Inc.
    Inventors: Chun-Ming Lu, Vincent M. Lee
  • Publication number: 20090210603
    Abstract: A flash memory circuit has both SATA and USB interfaces. When the flash memory circuit is coupled to a computer, the flash memory circuit utilizes the transmitted power from the computer through the USB interface for operating, and communicates with the computer through the faster SATA interface for data accessing of the flash memory.
    Type: Application
    Filed: May 29, 2008
    Publication date: August 20, 2009
    Inventors: Chao-Nan Chen, Po-Hsiang Wang, Chun-Ming Lu, Ho-Chieh Chuang, Kuo-Hua Yuan
  • Publication number: 20090094379
    Abstract: An apparatus and method for forwarding a web address to another web address is presented. A web forwarder receives a request destined to a first web address including at least a domain name. The web forwarder then determines a forwarding uniform resource locator (URL) that corresponds to the domain name and redirects the request to a second web address that corresponds to the forwarding URL.
    Type: Application
    Filed: November 7, 2008
    Publication date: April 9, 2009
    Applicant: Network Solutions, LLC
    Inventors: Chun-Ming Lu, Vincent M. Lee
  • Patent number: 7461334
    Abstract: An apparatus and method for forwarding a web address to another web address is presented. A web forwarder receives a request destined to a first web address including at least a domain name. The web forwarder then determines a forwarding uniform resource locator (URL) that corresponds to the domain name and redirects the request to a second web address that corresponds to the forwarding URL.
    Type: Grant
    Filed: February 9, 2000
    Date of Patent: December 2, 2008
    Assignee: Network Solutions, LLC
    Inventors: Chun-Ming Lu, Vincent M. Lee
  • Patent number: 6863204
    Abstract: A hammer-type stapler with cartridge is a tool using in building working for driving staples into a working object, comprising a casing having a hollow hammer casing on the front portion of the casing for containing a driving unit. The driving unit moves vertically by inertia force and having a driving element for driving staples, and an elastic element for recoiling the driving unit. A replaceable cartridge is installed in the casing and adjacent to the driving element having two identical, upper and lower staple containers. A pushing device is slidably mounted in the casing for holding the cartridge and pushing staples. The cartridge can load different size staples.
    Type: Grant
    Filed: February 9, 2004
    Date of Patent: March 8, 2005
    Inventor: Chun-Ming Lu