Patents Represented by Attorney Quintero Law Office

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  • Computer assisted detecting and restraining systems for cutting tool chatter
    Patent number: 7540697
    Abstract: A computer assisted detecting and restraining system for cutting tool chatter. The system comprises a network monitor system, a signal extraction system, a chatter detection system, and a chatter restraint system. The network monitor system monitors a machine tool and receives audio caused during a cutting process. The signal extraction system extracts vibration displacement signals generated during the cutting process converts the vibration displacement signals to digital signals and transfers the digitalized signals. The chatter detection system receives the digitalized vibration displacement signals and sends a control command when the signals are high frequency signals. The chatter restraint system receives the control command and adjusts rotation rates of a spindle of the machine tool accordingly.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: June 2, 2009
    Assignee: Chung Yuan Christian University
    Inventors: Shih-Ming Wang, Hsiang-Yung Hsieh
  • Semiconductor device having a trench gate and method of fabricating the same
    Patent number: 7541244
    Abstract: A method of fabricating a semiconductor device having a trench gate is provided. First, a semiconductor substrate having a trench etch mask thereon is provided. The semiconductor substrate is etched to form a first trench having a first depth using the trench etch mask as a shield. Impurities are doped into the semiconductor substrate through the first trench to form a doped region. The doped region and the semiconductor substrate underlying the first trench are etched to form a second trench having a second depth greater than the first depth, wherein the second trench has a sidewall and a bottom. A gate insulating layer is formed on the sidewall and the bottom of the second trench. A trench gate is formed in the second trench.
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: June 2, 2009
    Assignee: Nanya Technology Corporation
    Inventors: Jeng-Ping Lin, Pei-Ing Lee
  • Key structure
    Patent number: 7541554
    Abstract: A key structure comprises a membrane circuit, a substrate, a cover and a press element. The membrane circuit comprises at least one first signal generator and a second signal generator. The substrate is disposed below the membrane circuit to support the membrane circuit. The cover comprises a body and at least one protrusion, wherein the protrusion is disposed on the body corresponding to the first signal generator. The press element is disposed on the second signal generator, wherein when force is applied on the cover, the protrusion presses the first signal generator.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: June 2, 2009
    Assignee: Darfon Electronics Corp.
    Inventor: Wen-Kuang Hou
  • Phase change memory device and fabrication method thereof
    Patent number: 7538043
    Abstract: A phase change memory device comprising an electrode, a phase change layer crossing and contacting the electrode at a cross region thereof, and a transistor comprising a source and a drain, wherein the drain of the transistor electrically connects the electrode or the phase change layer is disclosed.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: May 26, 2009
    Assignees: Industrial Technology Research Institute, Powerchip Semiconductor Corp., Nanya Technology Corporation, ProMOS Technologies Inc., Winbond Electronics Corp.
    Inventor: Chien-Min Lee
  • Data distribution method and system having a stream buffer device with a sub-buffer table for recording the state of a pluraity of corresponding sub-buffers
    Patent number: 7539792
    Abstract: A stream data buffer device suitable for a client program comprises a buffer having N numbered sub-buffers, a buffer agent having a sub-buffer table recording a state of a corresponding sub-buffer, wherein the state comprising a first state and a second state, and a FIFO queue to record numbers of the sub-buffers having the fist state. When client program receives and stores stream data to stream data buffer, client program requests for a first sub-buffer having second state to store, and after storage, buffer agent changes the state of first sub-buffer to first state and transmits the number of the first sub-buffer to the FIFO queue. When a number of a second sub-buffer having the first state is available, the client program pops the number of second sub-buffer out of FIFO queue and accesses the data thereof, and the buffer agent changes the state of second sub-buffer to second state.
    Type: Grant
    Filed: March 27, 2006
    Date of Patent: May 26, 2009
    Assignee: Lite-On Technology Corporation
    Inventor: Chi Wei Liu
  • Notebook and antenna structure thereof
    Patent number: 7535422
    Abstract: An antenna structure includes a ground element, a first transmitting element and a second transmitting element. The first transmitting element transmits a first wireless signal, and comprises a first connecting portion and a first radiation portion. The first connecting portion is connected to the ground element and the first radiation portion. The second transmitting element transmits a second wireless signal and comprises a second connecting portion and a second radiation portion. The second connecting portion is connected to the ground element and the second radiation portion. The second connecting portion is shorter than the first connecting portion, and the second radiation portion is shorter than the first radiation portion.
    Type: Grant
    Filed: December 31, 2005
    Date of Patent: May 19, 2009
    Assignee: Wistron NeWeb Corp.
    Inventors: Chih-Kai Liu, Kai-Hong Cheng
  • Flexible printed circuit board (FPC) for liquid crystal display (LCD) module
    Patent number: 7529100
    Abstract: A flexible printed circuit board (FPC) with an extensible element for liquid crystal display (LCD) module is provided, wherein the extensible element can extend when it is forced. It can be used for different LCD modules to achieve the purpose of simplifying manufacturing process.
    Type: Grant
    Filed: August 10, 2004
    Date of Patent: May 5, 2009
    Assignee: TPO Displays Corp.
    Inventors: Meng Ju Chuang, Che-Kuei Mai
  • Method and system for detection of gas leakage sources
    Patent number: 7528373
    Abstract: A system for detection of gas leakage sources. An open-path FTIR detection system is located before the return filter of recirculating air of a factory to detect gas composition of recirculating air and transmits the result to a data server through a communication network. A multi-port extractive FTIR system is located in the factory to collect and detect gas sample of local area air using pipelines located in different areas and transmits the result of gas composition to the data server through the communication network. An IR monitor system obtains the gas composition from the data server through the communication network. A process exhaust management system obtains the gas composition from the IR monitor system through the communication network for the analysis of a gas leakage source.
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: May 5, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Gen-Hou Leu, Shaw-Yi Yan, Hui-Ya Shih, Sheng-Jen Yu
  • Light emitting diode package structure
    Patent number: 7528414
    Abstract: A light emitting diode (LED) package structure is disclosed. The LED package structure comprises a lead frame which has a chip carrier part, a pair of extended parts, a first electrode and a second electrode. The chip carrier part has an arc frame, a bulge, a first surface and a second surface. The extended part has a first side, a second side, a first top and a first bottom. The first side connects the arc frame of the chip carrier part. The arc frame electrically connects the first electrode. A heat dissipating material is placed on the second surface.
    Type: Grant
    Filed: February 8, 2007
    Date of Patent: May 5, 2009
    Assignee: Industrial Technology Reseach Institute
    Inventors: Tien-Fu Huang, Chin-Yin Yu, Kuo-Chang Hu, Shyh-Rong Tzan, Shi-How Hua
  • Substrate structures, liquid crystal display devices and methods for fabricating liquid crystal display devices
    Patent number: 7528916
    Abstract: Substrate structures for liquid crystal display devices and methods of fabricating liquid crystal display devices. A substrate structure for the liquid crystal display device comprises a transparent substrate. A patterned protrusion structure is formed to divide a plurality of pixel regions. An alignment layer is filled on the transparent substrate of each pixel region, wherein alignment orientations of liquid crystal molecules on the patterned protrusion structure and on the alignment layer are different.
    Type: Grant
    Filed: April 14, 2006
    Date of Patent: May 5, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Chung-Hao Chen, Yi-An Sha, Cheng-Hsi Hsieh, Shur-Yir Fuh
  • Method of fabrication of phase-change memory
    Patent number: 7521372
    Abstract: A phase-change memory and fabrication method thereof. The phase-change memory comprises a transistor, and a phase-change material layer. In particular, the phase-change material layer is directly in contact with one electrical terminal of the transistor. Particularly, the transistor can be a field effect transistor or a bipolar junction transistor.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: April 21, 2009
    Assignees: Industrial Technology Research Institute, Powerchip Semiconductor Corp., Nanya Technology Corporation, ProMOS Technologies Inc., Winbond Electronics Corp.
    Inventor: Frederick T Chen
  • Lighting devices
    Patent number: 7517114
    Abstract: Lighting devices are provided. A lighting device includes a first substrate, a second substrate, a light source and a thermoelectric cooling chip set disposed between the first and second substrates. The first substrate includes a core, a first circuit layer, and a second circuit layer, wherein the first and second circuit layers are disposed on opposite sides of the core. The second substrate comprises a third circuit layer. The light source is disposed on the first substrate and electrically connected to the first circuit layer. The thermoelectric cooling chip set is electrically connected to the second and third circuit layers, to dissipate heat from the light source.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: April 14, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Ra-Min Tain, Shyi-Ching Liau, Chun-Kai Liu, Ming-Ji Dai, Chih-Kuang Yu, Wei-Kuo Han
  • Antenna
    Patent number: 7518557
    Abstract: An antenna is provided comprising a transmission element, a ground element, a first parasitic element, a second parasitic element and a third parasitic element. The transmission element is located on a first plane, wherein the transmission element is T shaped, and comprises a first transmission portion and a second transmission portion and the second transmission portion is perpendicular to the first transmission portion and connected to an end thereof. The ground element is located on a second plane parallel to the first plane. The first parasitic element, the second parasitic element and the third parasitic element are connected to the ground element and located on the second plane.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: April 14, 2009
    Assignee: National Taiwan University
    Inventors: Yi-Cheng Lin, Chih-Hao Lin
  • Method for booting a computer with second OS involves formatting portion of main memory with a second file system to generate ramdisk
    Patent number: 7516319
    Abstract: A boot method is implemented in a computer comprising a main memory and a storage device. A partition of the storage device comprises a first operating system and a second operating system. The partition is formatted with a first file system compatible with the first operating system. The second operating system comprises a kernel and is compatible with a second file system. When the computer boots up with the second operating system, the kernel is loaded from the partition to the main memory. A portion of the main memory is formatted with the second file system to serve as a ramdisk. The second operating system is loaded from the partition to the ramdisk.
    Type: Grant
    Filed: April 5, 2005
    Date of Patent: April 7, 2009
    Assignee: Mitac Technology Corp.
    Inventor: Chiu-Fu Chen
  • Split barrel structure of hinge
    Patent number: 7513012
    Abstract: A split barrel structure of a hinge includes a first partial barrel and an adjoining first complementary curved part extended from a first leaf portion in a first circular direction, and a second partial barrel and an adjoining second complementary curved part extended from a second leaf portion in a second circular direction. When the first leaf portion is aligned with the second leaf portion face to face, the first partial barrel and the first complementary curved part mate with the second complementary curved part and the second partial barrel, respectively, to form a split barrel for clamping a shaft of a pintle of the hinge therein. The aligned first and second leaf portions are then bound together using binding elements. Alternatively, the first and the second leaf portion are integrally connected at an edge via a bending section.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: April 7, 2009
    Assignee: Mitac Technology Corp.
    Inventor: Po-Tsun Chao
  • Power-saving circuitry and method of CPU
    Patent number: 7516341
    Abstract: A power-saving circuitry of CPU is provided. The power-saving circuitry comprises a switching transistor having a first source/drain electrode being grounded, a second source/drain electrode being electrically coupled to a DC power, and a gate electrode being electrically coupled to the CPU. When the CPU is under a normal operation mode, the switching transistor is turned on. When the CPU is under a power-saving mode (such as a C3 state), the switching transistor is turned off. In addition, the present invention further comprises a diode. Wherein, an anode of the diode is electrically coupled to the second source/drain electrode of the switching transistor, and a cathode of the diode is electrically coupled to a highest bit code of the voltage identification code of the CPU, so as to output the highest bit code of the voltage identification code of the CPU.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: April 7, 2009
    Assignee: Mitac Technology Corp.
    Inventor: Chang-Ching Peng
  • Projection system and light-guiding assembly thereof
    Patent number: 7494253
    Abstract: A projection system comprises a light source module and a light-guiding assembly. The light source module comprises a reflecting cover and a light source disposed in the reflecting cover to form a first beam with a first f-number. The light-guiding assembly comprises a body with an incident end and a lens disposed on the incident end. The first beam passes through the lens disposed on the incident end to form a second beam with a second f-number. The second f-number of the second beam is different from the first f-number of the first beam.
    Type: Grant
    Filed: September 19, 2006
    Date of Patent: February 24, 2009
    Assignee: QISDA Corporation
    Inventor: Cheng-Kuang Lee
  • Memory device and fabrication thereof
    Patent number: 7476923
    Abstract: A semiconductor memory device. A trench capacitor disposed at a lower portion of a trench in a substrate, in which the trench capacitor comprises a filling electrode layer and a collar dielectric layer surrounding the filling electrode layer. The top of the collar dielectric layer is lower than top surface level of the filling electrode layer. A vertical transistor is disposed at the upper portion of the trench, comprising a doped region disposed in a portion of the trench adjacent to the trench. A buried conductive layer interposed between the vertical transistor and the trench capacitor, wherein the cross section of the buried conductive layer is H shaped. The trench capacitor and the doping region of vertical transistor are electrically connected through the H shaped buried conductive layer.
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: January 13, 2009
    Assignee: Nanya Technology Corporation
    Inventor: Cheng-Chih Huang
  • Structure of color elements for a color filter
    Patent number: 7474483
    Abstract: A structure of color elements for a color filter. At least a first, second, and third color element are disposed in a delta-type arrangement. An overlapping portion is formed between two adjacent color elements to serve as a light-blocking area. At least one color element is octagonal, having four straight sides and four beveled sides.
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: January 6, 2009
    Assignee: TPO Displays Corp.
    Inventors: Hsin-An Cheng, Kuang-Lung Kuo, Sheng-Shiou Yeh, Tzu-Seng Yang
  • Internal combustion engine
    Patent number: D591767
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: May 5, 2009
    Assignee: Sanyang Industry Co., Ltd.
    Inventor: Shin-Chang Lee