Patents by Inventor Wen Chi

Wen Chi 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).

  • POOL COUNTING CIRCUIT OF A MICROCONTROLLER AND THE POOL COUNTING METHOD THEREOF
    Publication number: 20080162978
    Abstract: A microcontroller of the present invention integrates a plurality of independent counters of corresponding operation functions into a pool counting circuit and executes each corresponding operation function based on each of different operation cycles. Therefore, the present invention can increase the circuit pool level and reduce the power consumption and the chip size.
    Type: Application
    Filed: August 29, 2007
    Publication date: July 3, 2008
    Applicant: HOLTEK SEMICONDUCTOR INC.
    Inventors: WEN-CHI HSU, SHU-HUA KUO, HAN-TSUNG LIN, MAO-SHIH LI
  • METHOD FOR RESETTING MICRO CONTROLLER
    Publication number: 20080155291
    Abstract: A method for resetting a micro controller is disclosed. The method uses an improved micro controller reset circuit designed for loading micro controller options regardless of whether a reset key is pressed after the power is turned on. In this method, the initial values of the micro controller are recovered so as to reduce power consumption and avoid conflict between signals.
    Type: Application
    Filed: December 21, 2007
    Publication date: June 26, 2008
    Applicant: HOLTEK SEMICONDUCTOR INC.
    Inventors: Wen-Chi Hsu, Shu-Hua Kuo, Chao-Chung Chang, Rong-Yau Tsai, Jia-Jou Tsai
  • Digital-television receiving antenna
    Patent number: 7391384
    Abstract: A receiving antenna for digital television signal reception includes a dielectric substrate, a radiating plate formed on the dielectric substrate with a bar shape, having a first long edge and a second long edge corresponding to the first long edge, a slit formed on the radiating plate with a length at least two times the width of the radiating plate, having a terminal at about the center of the first long edge and a terminal at the second long edge, and separating the radiating plate into a first sub-plate and a second sub-plate, a first feeding point formed on the first sub-plate, a second feeding point formed on the second sub-plate, and a feeding coaxial cable having a core conductor connected to the first feeding point and a grounding conductor connected to the second feeding point.
    Type: Grant
    Filed: August 15, 2006
    Date of Patent: June 24, 2008
    Assignees: Lite-On Technology Corp., National Sun Yat-Sen University
    Inventors: Kin-Lu Wong, Yun-Wen Chi, Saou-Wen Su
  • DUAL-BAND LOOP ANTENNA
    Publication number: 20080129637
    Abstract: A dual-band loop antenna comprising: a grounding plane, a radiation metallic loop and a radiation metallic plate, the shape of the grounding plane is generally rectangular having a grounding point and a shorting point; the radiation metallic loop has a feeding end and a shorting end, the shorting end is electrically connected to the shorting point on the grounding plane; while the radiation metallic plate is encircled by the radiation metallic loop, and one terminal point of the radiation metallic plate is electrically connected to the vicinity of the shorting end of the radiation metallic loop. The embodiments of antennas of the present invention suit designing of antennas for mobile phones using the bands of GSM (890˜960 MHz)/DCS (1710˜1880 MHz).
    Type: Application
    Filed: November 30, 2006
    Publication date: June 5, 2008
    Inventors: Yun-Wen CHI, Kin-Lu Wong
  • Broadband antenna
    Publication number: 20080122699
    Abstract: A broadband antenna includes a dielectric substrate, a radiation conductor and a feeding gap. The radiation conductor is disposed on the dielectric substrate and has a first side and a second side. The first side is adjacent to the second side, and the first side is longer than the second side. The second side has a first feeding point and a second feeding point. The feeding gap has a first end located at the first side and a second end located at the second side. The feeding gap divides the radiation conductor into a first sub-radiation conductor and a second sub-radiation conductor. The first feeding point is located on the first sub-radiation conductor and the second feeding point is located on the second sub-radiation conductor.
    Type: Application
    Filed: August 14, 2006
    Publication date: May 29, 2008
    Applicants: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, National Sun Yat-Sen University
    Inventors: Shih-Huang Yeh, Kin-Lu Wong, Yun-Wen Chi
  • APPARATUS, METHOD, AND COMPUTER READABLE MEDIUM FOR TRANSMITTING DATA VIA A PLURALITY OF NETWORK INTERFACES
    Publication number: 20080125163
    Abstract: An apparatus, a method, a computer program, and a computer readable medium for transmitting data via a plurality of network interfaces are provided. The apparatus derives statuses of transmission media and then transmits data based on the statuses. In addition, each base station adopts tunneling technique by adding a tunnel header to each of the transmitted packets. By the aforementioned arrangement, a mobile device is capable of adjusting the data amount for each of the network interfaces. Thus, the throughput of mobile host can be increased and connection can be dependable.
    Type: Application
    Filed: February 26, 2007
    Publication date: May 29, 2008
    Applicant: INSTITUTE FOR INFORMATION INDUSTRY
    Inventors: Po-Wen Chi, Yu-Hsiang Lin
  • OSCILLATING APPARATUS WITH ADJUSTABLE OSCILLATING FREQUENCY
    Publication number: 20080111645
    Abstract: The present invention relates to an oscillating apparatus. The oscillating apparatus includes a biasing circuit, a multi-vibrator, a detecting circuit, and a selecting circuit. The biasing circuit is for generating a bias signal, wherein the biasing circuit includes a connecting port for using an impedance device to control an oscillating frequency or for directly connecting to external clock source as a reference clock. The multi-vibrator coupled to the biasing circuit for generating the oscillating frequency according to the quantity of the biasing signal. The detecting circuit coupled to the connecting port for generating a detecting signal whether the connecting port is coupled to the impedance device or the external clock source. The selecting circuit includes an AND gate coupled to the multi-vibrator and the selection signal and an OR gate coupled to the AND gate and the connecting port.
    Type: Application
    Filed: October 30, 2006
    Publication date: May 15, 2008
    Inventors: Wen-Chi Wu, Yao-Ching Wang, Chi-Mo Huang
  • SIGMA-DELTA MODULATOR AND AN OUTPUT RATE REDUCTION METHOD THEREOF
    Publication number: 20080111725
    Abstract: A sigma-delta modulator and an output rate reduction method are disclosed. The sigma-delta modulator comprises an integrator, an analog-to-digital converter, and a controller. An input signal is received by the integrator to generate an integrated signal. The integrated signal is then converted by the analog-to-digital converter into a digital modulation signal. The input signal is received by the controller to calculate an input signal power. The analog-to-digital converter can be controlled by the controller based on a predetermined power value and a sum of the input signal power and a total quantization error power. By the way mentioned above, the out rate of the sigma-delta modulator is reduced.
    Type: Application
    Filed: May 8, 2007
    Publication date: May 15, 2008
    Inventor: Wen-Chi Wang
  • Non-Chromium Containing Black Multi-Layer Coatings
    Publication number: 20080102297
    Abstract: The disclosed invention relates to black multi-layer coatings for metallic substrates (1) or substrates having a metallic coating (2) and to articles covered, or partially covered with such coatings. The black coating consists of a black first layer (3) substantially comprised of nickel and a second polymeric silicate inorganic layer (4). The present invention may additionally have a third layer comprised substantially of organic constituents (5). This invention offers properties currently unavailable or insufficient in existing technologies. The present invention provides enhanced corrosion resistant, adherent black coatings which are thin enough to allow application to fasteners while providing a uniform black color, the combination of which have only been available previously with the use of hexavalent or trivalent chromium conversion coatings.
    Type: Application
    Filed: October 26, 2007
    Publication date: May 1, 2008
    Applicants: ELISHA HOLDING LLC, KISMART CORPORATION
    Inventors: Wan-Chu Wu, Wei-Liang Yang, Wen-Chi Chang
  • Sanding machine having adjustable brush
    Patent number: 7351130
    Abstract: A sanding or polishing or grinding machine includes one or more sanding wheels supported on a machine base and movable up and down relative to the machine base for grinding the work pieces of different heights or thicknesses. A driving device may be used for driving the sanding wheels to move horizontally relative to the machine base for allowing the work pieces to be suitably sanded or ground by the sanding wheels. The sanding wheels are preferably disposed at different angular position relative to the machine base, for suitably sanding or grinding the work pieces in different angular positions.
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: April 1, 2008
    Inventor: Wen Chi Chang
  • JACK DETECTION CIRCUIT
    Publication number: 20080043944
    Abstract: A jack detection circuit includes a transition circuit and an AD converter. The transition circuit linearizes analog signals sent from a switching circuit. The AD converter converts the linearized analog signals to digital output signals thereby decreasing the complexity of signal recognition.
    Type: Application
    Filed: July 17, 2007
    Publication date: February 21, 2008
    Applicant: REALTEK SEMICONDUCTOR CORP.
    Inventors: Jui Yuan Tsai, Wen Chi Wang, Wei Cheng Tang
  • Use of Docetaxel for Treating Hepatocellular Carcinoma
    Publication number: 20080045584
    Abstract: The present invention is based on the finding that docetaxel is significantly more active against hepatocellular carcinoma cells than paclitaxel at concentrations of up to 1 ?M. It accordingly provides the use of docetaxel, or a hydrate thereof, in the manufacture of a medicament for use in the treatment of hepatocellular carcinoma.
    Type: Application
    Filed: June 12, 2007
    Publication date: February 21, 2008
    Applicant: AVENTIS PHARMA S.A.
    Inventors: Chin-Wen CHI, Heng-Liang LIN, Tsung-Yun LIU, Wing-Yiu LUI, Gar-Yang CHAU
  • Analog front end circuit and image processing device for video decoder
    Publication number: 20080030620
    Abstract: An analog front end circuit is provided, which comprises at least one converting circuit. Each converting circuit further comprises a clamper, a low-pass filter, an input buffer and a sigma-delta analog-to-digital converter. By using the sigma-delta analog to digital converter, the invention not only increases the resolution, but reduces the order of an anti-aliasing filter, therefore reducing the size and the power consumption of the analog circuit.
    Type: Application
    Filed: July 27, 2007
    Publication date: February 7, 2008
    Inventors: Jui-Yuan Tsai, Wen-Chi Wang, Chang-Shun Liu
  • Power connector
    Publication number: 20080030925
    Abstract: The present invention discloses a power connector used as an electric conducting component between output terminals having an equal electric potential, so that the output terminals having an equal electric potential can share the same electric wire of the same electric potential, so as to save the material cost of wires.
    Type: Application
    Filed: August 3, 2006
    Publication date: February 7, 2008
    Inventor: Wen-Chi Liu
  • Power amplifier and method for error correcting of output signals thereof
    Patent number: 7327188
    Abstract: An amplifier includes a subtracting unit for generating an error signal according to an input signal and an output signal; a noise shaping unit for executing a noise shaping operation on the error signal to produce a noise-shaped signal; a pulse adjustment unit for generating a control signal according to the noise-shaped signal and the input signal; and a power stage for generating the output signal according to the control signal.
    Type: Grant
    Filed: January 16, 2006
    Date of Patent: February 5, 2008
    Assignee: Realtek Semiconductor Corp.
    Inventors: Wen-Chi Wang, Fu-Yi Hsieh, Yi-Chang Tu, Chieh-Chuan Chin
  • DIRECT-TYPE BACKLIGHT MODULE
    Publication number: 20080007937
    Abstract: A direct-type backlight module is disclosed, which includes a frame, at least one lamp support structure, at least one lamp and a diffusion plate. The frame has a bottom plate, and at least one opening is disposed in the bottom plate. The lamp support structure including a base and at least one holding and fixing member is fixed in the opening, wherein the base is disposed outside the bottom plate of the frame, and the holding and fixing member is disposed on the base and through the opening. The holding and fixing member has a lamp holding portion and a fixing portion, wherein the fixing portion is fixed in the opening, and the lamp holding portion is suitable for holding the lamp. The diffusion plate is disposed above the lamp.
    Type: Application
    Filed: July 7, 2006
    Publication date: January 10, 2008
    Inventors: Hung-Yi Ou Yang, Wen-Yu Lin, Chia-Hung Chen, Wen-Chi Hung
  • Touch type bluetooth match system, bluetooth devices for same
    Publication number: 20080008123
    Abstract: A touch type bluetooth match system includes a bluetooth master device for transmitting digital/analog data by means of bluetooth technology and capable of inquiring connection by an active mode, and a bluetooth slave device for transmitting digital/analog data by means of bluetooth technology and capable of being connected by a passive mode. When in use, the bluetooth slave device is set in the bluetooth master device and kept in touch with the bluetooth master device for bluetooth ID data interchange so that the bluetooth master device directly enters a connection mode for bluetooth data transmission subject to the bluetooth ID data stored therein.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 10, 2008
    Inventor: Wen Chi Su
  • Method for dynamically modulating driving current of backlight module
    Patent number: 7312781
    Abstract: According to the brightness distribution of a previous frame, the driving current of the backlight module dynamically varies. When the concentration of the brightness distribution is toward high brightness, the backlight module increases its luminous intensity. On the contrary, when the concentration of the brightness distribution is toward low brightness, the backlight module decreases its luminous intensity. We can set the luminous modulation period of the backlight module to be synchronized with a vertical scanning period or several vertical scanning periods.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: December 25, 2007
    Assignee: Hannstar Display Corporation
    Inventors: Tean Sen Jen, Wen Chi Lin
  • Circuit capable of updating power supply specification of microprocessor and method thereof
    Patent number: 7302596
    Abstract: A circuit capable of updating the power supply specification of microprocessor and a method thereof are proposed. The circuit is disposed on a computer motherboard, and makes use of downloaded program data of the power supply specification of a new microprocessor a microprocessor is updated. The circuit uses a programmable memory IC to execute the program data of the power supply specification for automatically updating and modifying the required power supply specification of the microprocessor. Through a PWM control unit, a drive unit and a power switch, the required power supply specification of a new microprocessor can be provided for the microprocessor to perform boot actions.
    Type: Grant
    Filed: July 21, 2004
    Date of Patent: November 27, 2007
    Assignee: Giga-Byte Technology Co., Ltd.
    Inventor: Wen-Chi Hung
  • VOLATILE STORAGE DEVICE AND SERIAL MIXED STORAGE SYSTEM HAVING THE SAME
    Publication number: 20070245076
    Abstract: A volatile storage device and a serial mixed storage system having the same are provided. The system includes an access controller, a data transmission interface, a volatile storage module, a power supply module, an expansion interface and a non-volatile storage module. The volatile storage module and non-volatile storage module are connected in series via the expansion interface. The volatile storage module and the non-volatile storage module can be used to store data under the control of the access controller. Further, the power supply module can supply the stored electric power to the access controller, volatile storage module, and non-volatile storage module, so as to keep data stored in the volatile storage module or transfer the data to the non-volatile storage module, thereby avoiding data loss caused by power cutoff.
    Type: Application
    Filed: August 2, 2006
    Publication date: October 18, 2007
    Applicant: GIGA-BYTE TECHNOLOGY CO., LTD.
    Inventors: An-Sheng Chang, Wen-Chi Hung