Patents by Inventor Yu-Lin Chu

Yu-Lin Chu 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: 20140192908
    Abstract: A parallel hybrid circuit comprising a transformer, a first matching resistor, a second matching resistor and an echo cancelling circuit. The transformer comprises: a first side, comprising a transmitting coil group and a receiving coil group, wherein the transmitting coil group comprises at least one transmitting coil, wherein the receiving coil group comprises at least one receiving coil; a second side comprising at least one transceiving coil; wherein the transformer receives a transmitting signal and couples the transmitting signal from the first side to the second side via a first turn ratio, and receives a receiving signal from the transceiving line and couples the receiving signal from the second side to the first side via a second turn ratio. The first, second matching resistors are coupled with the transformer in parallel. The echo cancelling circuit is coupled between the transmitting line and the receiving line.
    Type: Application
    Filed: June 19, 2013
    Publication date: July 10, 2014
    Inventors: Yu-Lin Chu, Hsin-Hsien Li, Shih-Jen Li, Li-Yu Chiu, Bing-Hsun Lu
  • Publication number: 20140051826
    Abstract: The present invention provides a compound of formula I wherein A, B and C are a repeating unit; each of A and B is an optionally substituted group for forming a conjugated polymer; C is a crosslinkable group; and n is an integer equal to or greater than 1. The present invention further provides an element and an electronic device using the compound of formula I, and more particularly, provides a light emitting diode (LED) device using the compound of formula I.
    Type: Application
    Filed: August 17, 2012
    Publication date: February 20, 2014
    Applicants: HARVATEK CORPORATION
    Inventors: Feng-Chih Chang, Yu-Lin Chu, Chih-Chia Cheng
  • Publication number: 20140022679
    Abstract: A surge protection circuit for a line driver of a communication system includes a positive output pad; a negative output pad; a transistor, comprising a first terminal, a second terminal and a third terminal, the first terminal coupled to the positive output pad, the second terminal coupled to the negative output pad; and a trigger circuit. The trigger circuit includes an inverter, comprising an input terminal and an output terminal, the output terminal coupled to the third terminal of the transistor; and a first RC delay circuit. The first RC delay circuit includes a resistor having a terminal coupled to an input terminal of the inverter, and another terminal coupled to a power supply; and a capacitor having a terminal coupled to the input terminal of the inverter and another terminal coupled to a ground. The transistor is within an integrated circuit.
    Type: Application
    Filed: October 2, 2013
    Publication date: January 23, 2014
    Applicant: Ralink Technology Corp.
    Inventors: Hsin-Hsien Li, Yu-Lin Chu, Li-Yu Chiu
  • Publication number: 20120257308
    Abstract: The present invention discloses a surge protection circuit for a line driver. The surge protection circuit includes a transistor, including a first terminal coupled to a positive output pad of the line driver and a second terminal coupled to a negative output pad of the line driver, an inverter, including an output terminal coupled to a third terminal of the transistor, and a first RC circuit, including a resistor having a terminal coupled to an input terminal of the inverter and another terminal coupled to a power supply, and a capacitor having a terminal coupled to the input terminal of the inverter and another terminal coupled to a ground. A first RC time constant of the first RC circuit is substantially equal to or greater than a period of a differential mode surge signal.
    Type: Application
    Filed: June 9, 2011
    Publication date: October 11, 2012
    Inventors: Hsin-Hsien Li, Yu-Lin Chu, Li-Yu Chiu
  • Patent number: 8167460
    Abstract: A lamp includes a housing unit and a light source mounted on the housing unit. The housing unit includes a housing and a plurality of heat radiating fins. The light source includes a support base having a first side provided with a plurality of light emitting members, a heat radiating assembly having a first end mounted on a second side of the support base and a heat conducting plate mounted on a second end of the heat radiating assembly.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: May 1, 2012
    Inventor: Yu-Lin Chu
  • Patent number: 8169094
    Abstract: A generating system includes a first generating device (1) and a second generating device (2). The first generating device includes a housing (11), a solar cell panel (12), a storage unit (13), a heat conduction layer (16), a heating chamber (14) and a plurality of water pipes (15). The second generating device includes an impeller (21), a propeller shaft (22) and a generator (23). Thus, the first generating device can receive the solar energy to produce an electric power, and the second generating device is driven by the wind power and the water power to generate an electrical energy so that the generating system can use the natural resources to produce an electrical energy at the day and the night so as to enhance the generating efficiency of the generating system.
    Type: Grant
    Filed: August 24, 2009
    Date of Patent: May 1, 2012
    Inventor: Yu-Lin Chu
  • Publication number: 20110097154
    Abstract: A pressure release apparatus includes a water tower, a plurality of water supply pipes, a plurality of pressure release units and a plurality of generating units. Each of the generating units includes a generator and a collector. Each of the pressure release units includes two propeller shafts each connected with the generator of the respective generating unit to drive the generator to generate an electric power, and two impellers each secured on the respective propeller shaft to rotate the respective propeller shaft. Thus, the pressure release units co-operate with the generating units to provide a water pressure release effect and an electric generating function simultaneously.
    Type: Application
    Filed: October 27, 2009
    Publication date: April 28, 2011
    Inventor: Yu-Lin Chu
  • Publication number: 20110095671
    Abstract: A light emitting diode lamp includes a light source and a heat radiating device combined with the light source. The light source includes a hollow substrate that is made of metal and has a substantially arcuate shape, a plurality of light emitting diodes mounted on an outer wall of the substrate, a plurality of heat conducting fins mounted on an inner wall of the substrate, and a light permeable cover mounted on the outer wall of the substrate to cover the light emitting diodes. Thus, the substrate of the light source is a substantially spherical body so that the light emitting diodes mounted on the outer wall of the substrate emit light beams outwardly in an irradiating manner and have a larger lighting angle to enhance the lighting effect.
    Type: Application
    Filed: October 27, 2009
    Publication date: April 28, 2011
    Inventor: Yu-Lin Chu
  • Publication number: 20110043044
    Abstract: A generating system includes a first generating device (1) and a second generating device (2). The first generating device includes a housing (11), a solar cell panel (12), a storage unit (13), a heat conduction layer (16), a heating chamber (14) and a plurality of water pipes (15). The second generating device includes an impeller (21), a propeller shaft (22) and a generator (23). Thus, the first generating device can receive the solar energy to produce an electric power, and the second generating device is driven by the wind power and the water power to generate an electrical energy so that the generating system can use the natural resources to produce an electrical energy at the day and the night so as to enhance the generating efficiency of the generating system.
    Type: Application
    Filed: August 24, 2009
    Publication date: February 24, 2011
    Inventor: Yu-Lin Chu
  • Publication number: 20110007504
    Abstract: A self-feedback illuminating equipment includes a lighting source (1) and a self-feedback power supply device (2). The lighting source includes a light emitting unit (13). The self-feedback power supply device includes a plurality of collecting and transforming boards (21), a integrator (22), an electric storage unit (23), a converter unit (24), a first current adapter (242), and a second current adapter (243). Thus, the collecting and transforming boards can receive an optical energy from the light emitting unit and transform the optical energy into an electrical energy which is stored in the electric storage unit and is then supplied into the light emitting unit so as to save the electrical energy.
    Type: Application
    Filed: July 7, 2009
    Publication date: January 13, 2011
    Inventor: Yu-Lin Chu
  • Publication number: 20100301724
    Abstract: A lamp includes a housing unit and a light source mounted on the housing unit. The housing unit includes a housing and a plurality of heat radiating fins. The light source includes a support base having a first side provided with a plurality of light emitting members, a heat radiating assembly having a first end mounted on a second side of the support base and a heat conducting plate mounted on a second end of the heat radiating assembly. Thus, the heat produced by the light emitting members of the support base is delivered through the heat conducting groove of the support base, the heat radiating assembly, the heat conducting plate and the housing to the heat radiating fins and is carried outwardly from the heat radiating fins so that the heat is dissipated rapidly.
    Type: Application
    Filed: October 13, 2009
    Publication date: December 2, 2010
    Inventor: Yu-Lin Chu
  • Publication number: 20100288334
    Abstract: A generating system includes a generating device (1), a plurality of flow tubes (2) and a mounting frame (3). The generating device includes a housing (11), a solar cell panel (12), a thermal insulation layer (14), a heat conduction layer (13) and a receiving chamber (15). Thus, the generating system is integrated with a building and can function as a part of the building so as to decrease the costs of fabrication and to enhance the outer appearance of the building. In addition, the generating system and the building are integrated to provide a leakproof function.
    Type: Application
    Filed: May 12, 2009
    Publication date: November 18, 2010
    Inventor: Yu-Lin Chu
  • Patent number: 7809239
    Abstract: In an electric appliance system, an electric appliance for performing designated functions and first and second remote controllers are included. The first remote controller is optionally triggered for controlling a first group of the designated functions, and the second remote controller is optionally triggered for controlling a second group of the designated functions. The second group includes at least one designated function included in the first group and at least one designated function excluded from the first group.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: October 5, 2010
    Assignee: Lite-On-It Corp.
    Inventors: Lu-Kang Mao, Yu-Lin Chu, Chung-Ching Huang
  • Publication number: 20060103625
    Abstract: In an electric appliance system, an electric appliance for performing designated functions and first and second remote controllers are included. The first remote controller is optionally triggered for controlling a first group of the designated functions, and the second remote controller is optionally triggered for controlling a second group of the designated functions. The second group includes at least one designated function included in the first group and at least one designated function excluded from the first group.
    Type: Application
    Filed: November 7, 2005
    Publication date: May 18, 2006
    Inventors: Lu-Kang Mao, Yu-Lin Chu, Chung-Ching Huang
  • Patent number: D709235
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: July 15, 2014
    Inventor: Yu-Lin Chu