Patents by Inventor Hua Chao

Hua Chao 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: 20120300831
    Abstract: A method for performing adaptive equalization includes: dynamically detecting current levels of a plurality of sets of pattern levels respectively corresponding to a plurality of data patterns, wherein each set of the sets of pattern levels includes a previous level, a current level, and a next level respectively corresponding to one of the plurality of data patterns; and dynamically calculating a plurality of data decision levels according to the current levels of the sets of pattern levels, for use of data decision, wherein each data decision level of at least one portion of the plurality of data decision levels is not equal to zero, and the data decision levels are dynamically adjusted in accordance with the current levels of the sets of pattern levels, in order to enhance a signal-to-noise ratio (SNR). An associated method for performing adaptive equalization is also provided. Associated apparatus are also provided.
    Type: Application
    Filed: May 24, 2011
    Publication date: November 29, 2012
    Inventors: Yan-Bin Luo, Kuan-Hua Chao
  • Publication number: 20120300691
    Abstract: The present invention is related to integrated multi-datastream transmission technology, more particularly, to integrated multi-datastream modulation technology. According to one aspect of the present invention, there is provided a modulation equipment (10), including: a symbol integration means (101), configured to combine a first bit stream with a second bit stream to form a symbol to be modulated; a symbol mapping means (102), configured to map the symbol to be modulated into a QAM modulation symbol according to a set of predetermined mapping rules; wherein, in the set of predetermined mapping rules, multiple constellations corresponding to any first bit stream are located in at least two quadrants in the constellation diagram, while multiple constellations corresponding to any second bit stream are located in at least two quadrants in the constellation diagram. The integrated transmission of a first service data and a second service data (e.g.
    Type: Application
    Filed: December 31, 2010
    Publication date: November 29, 2012
    Applicant: ALCATEL LUCENT
    Inventors: Hua Chao, Ji Li, Yonggang Wang, Zhongji Hu
  • Patent number: 8320290
    Abstract: The present invention provides an Evolved Multimedia Broadcast/Multicast Service (EMBMS) access gateway supporting network multicast, comprising: receiving/responding means for receiving a Multimedia Broadcast/Multicast Service (MBMS) Session Start message from a Broadcast/Multicast-Service Center (BM-SC) and for returning a response message to the BM-SC after receiving the MBMS Session Start message; storage means for storing a mapping relationship between respective MBMS service areas (SAs) and respective base stations; determining means for determining base station(s) associated with the MBMS based on the stored mapping relationship when the receiving/responding means receives the MBMS Session Start message; and transmitting means for transmitting the MBMS Session Start message to the determined bases station(s).
    Type: Grant
    Filed: August 21, 2007
    Date of Patent: November 27, 2012
    Assignee: Alcatel Lucent
    Inventors: Hua Chao, Yonggang Wang, Yu Chen, He Wang, Zhongji Hu
  • Patent number: 8297621
    Abstract: A card game for teaching skills to players for the models of behavioral and financial success includes a financial center; simulated life event cards; different variable element cards; a plurality of different energy element cards; a plurality of different self energy element cards; and a plurality of different game recordation and learning reports wherein the player can declare a qualifier by reaching a qualified target, any qualifier who self-confident become the winner can declare a state of entering the final decisive contest to challenge the champion and announce how many cycles the competition ended Simultaneously, the final competition period should not be less than three times cycling trough the financial center and the game will be finished after these cycles. Scores of all players will be calculated after end with a genuine winner being declared thereafter. The winner is not only a qualifier but also the genuine victor.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: October 30, 2012
    Assignee: Chung Hua University
    Inventors: Shu Hua Chao, Ching Yen Huang
  • Publication number: 20120184257
    Abstract: A multiparty communication management method employs an initiative computer device to initiate a multiparty communication for connecting to plural receiving communication devices. Next, any receiving communication devices is employed to call an initiative communication device via the user interface or DTMF, whereby the initiative communication device is joined the multiparty lines communication. Finally, the initiative computer device can directly control the voice signals of any of receiving communication devices. By aforementioned method, conferees of the multiparty communication can request the initiator to manage the communication instead of redundant commands required in the art, thereby providing a multiparty communication management method with higher operation rate and greater convenience.
    Type: Application
    Filed: April 27, 2011
    Publication date: July 19, 2012
    Applicant: Browan Communications, Inc.
    Inventors: Cheng-Jen Yang, Yung-Hua Chao
  • Patent number: 8224343
    Abstract: The present invention provides a method of data retransmission in MBMS (Multimedia Broadcast/Multicast Service), comprising: a step in which a base station allocates an uplink time-frequency resource block to mobile stations; a step in which the mobile stations feed back uplink feedback signalings with respect to the received downlink MBMS service data to the base station on the allocated uplink time-frequency resource block, wherein the uplink feedback signalings with respect to one and the same downlink MBMS service data are combined in one and the same uplink time-frequency resource, and the uplink feedback signalings with respect to different downlink MBMS service data are multiplexed in one uplink time-frequency resource block; a step in which the base station decides whether to retransmit a data block based on the fed-back uplink feedback signalings.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: July 17, 2012
    Assignee: Alcatel Lucent
    Inventors: Yonggang Wang, Zhongji Hu, Hua Chao, Yu Chen
  • Publication number: 20120176953
    Abstract: A method for providing a multicast service in a communication system and an apparatus for implementing the method are provided in the present invention. The communication system comprises at least one user equipment and a server for providing a service to the at least one user equipment. The method comprises steps of: determining, by the server, an MBMS multicast group to provide a multicast service; transmitting, by the server, MBMS service control information required to provide an MBMS service to user equipments within the MBMS multicast group, to a BM-SC in an e-MBMS network; determining, by the BM-SC, an MBMS service area and triggering in the MBMS service area an MBMS bearer setup procedure for user equipments within the MBMS multicast group, based on the received MBMS service control information; forwarding, by the server, data to provide a service to the BM-SC; and distributing, by the BM-SC, the data to each of the user equipments within the MBMS multicast group, via the set up MBMS bearer.
    Type: Application
    Filed: September 23, 2009
    Publication date: July 12, 2012
    Inventors: Hua Chao, He Wang, Zhongji Hu
  • Publication number: 20120177146
    Abstract: A detecting circuit includes: a first offset generating circuit arranged to apply a first offset to an input signal pair comprising a positive input signal and a negative input signal and accordingly generate a first output signal pair comprising a first positive output signal and a first negative output signal; and a first sampling circuit coupled to the first offset generating circuit, the first sampling circuit arranged to sample a difference in voltage between the first positive output signal and the first negative output signal to generate a first sampling signal, wherein the first sampling signal is utilized to identify a data signal on the input signal pair.
    Type: Application
    Filed: January 9, 2011
    Publication date: July 12, 2012
    Inventors: Kuan-Hua Chao, Tzu-Li Hung, Yu-Bang Nian
  • Publication number: 20120112794
    Abstract: A calibration circuit for calibrating a differential driver with a differential output port including a first output node and a second output node includes: a comparing circuit arranged to receive a first output voltage corresponding to the first output node and a second output voltage corresponding to the second output node, and generate a comparison result according to the first output voltage, the second output voltage, and a predetermined voltage; and a controlling circuit coupled to the comparing circuit, a first resistive element and a second resistive element. The controlling circuit is arranged to adjust the first resistive element and the second resistive element according to the comparison result, wherein the first resistive element is coupled between the first output node and a reference voltage, and the second resistive element is coupled between the second output node and the reference voltage.
    Type: Application
    Filed: November 4, 2010
    Publication date: May 10, 2012
    Inventors: Kuan-Hua Chao, Yan-Bin Luo, Tse-Hsiang Hsu
  • Publication number: 20120104471
    Abstract: A semiconductor device having a gate on a substrate with source/drain (S/D) regions adjacent to the gate. A first dielectric layer overlays the gate and the S/D regions, the first dielectric layer having first contact holes over the S/D regions with first contact plugs formed of a first material and the first contact plugs coupled to respective S/D regions. A second dielectric layer overlays the first dielectric layer and the first contact plugs. A second contact hole formed in the first and second dielectric layers is filled with a second contact plug formed of a second material. The second contact plug is coupled to the gate and interconnect structures formed in the second dielectric layer, the interconnect structures coupled to the first contact plugs. The second material is different from the first material, and the second material has an electrical resistance lower than that of the first material.
    Type: Application
    Filed: October 28, 2010
    Publication date: May 3, 2012
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chung-Long CHANG, Chih-Ping CHAO, Chun-Hung CHEN, Hua-Chao TSENG, Jye-Yen CHENG, Harry-Hak-Lay CHUANG
  • Publication number: 20120032341
    Abstract: A semiconductor package and a manufacturing method thereof are provided. The semiconductor package includes a substrate, a semiconductor element, a package body and a conductive part. The substrate has an electrical contact. The semiconductor element is disposed on the substrate. The package body covers the semiconductor element and defines a through hole from which the electrical contact is exposed. Wherein, the package body includes a resin body and a plurality of fiber layers. The fiber layers are disposed in the resin body and define a plurality of fiber apertures which is arranged as an array. The conductive part is electrically connected to the substrate through the through hole.
    Type: Application
    Filed: November 16, 2010
    Publication date: February 9, 2012
    Inventors: Shin-Hua CHAO, Chao-Yuan LIU, Hui-Ying HSIEH, Chih-Ming CHUNG
  • Publication number: 20110305298
    Abstract: A dirty paper precoding method implemented by using phase reshaping at the transmitter side, wherein the method comprises: subtracting interference signal from intended signal to obtain difference signal; determining constellation size for constellation extension according to amplitude-related information of interference signal and intended signal; extendedly mapping original constellation block of the difference signal to extended constellation block having the determined constellation size by constellation extension processing, according to the determined constellation size for constellation extension, wherein, the extended constellation block being proportionally enlarged to be closer to origin of constellation coordinate compared with original constellation block; and performing phase reshaping of each constellation point of extended constellation block corresponding to the difference signal, wherein, the phase reshaping making constellation point of extended constellation block of difference signal corre
    Type: Application
    Filed: February 24, 2009
    Publication date: December 15, 2011
    Applicant: ALCATEL-LUCENT
    Inventor: Hua Chao
  • Patent number: 8059422
    Abstract: A manufacturing process for a thermally enhanced package is disclosed. First, a substrate strip including at least a substrate is provided. Next, at least a chip is disposed on an upper surface of the substrate, and the chip is electrically connected to the substrate. Then, a prepreg and a heat dissipating metal layer are provided, and the heat dissipating metal layer is disposed on a first surface of the prepreg and a second surface of the prepreg faces toward the chip. Finally, the prepreg covers the chip by laminating the prepreg and the substrate.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: November 15, 2011
    Assignees: Advanced Semiconductor Engineering, Inc., ASE Electronics Inc.
    Inventors: Ho-Ming Tong, Shin-Hua Chao, Ming-Chiang Lee, Tai-Yuan Huang, Chao-Yuan Liu, Yung-Cheng Huang, Teck-Chong Lee, Jen-Chieh Kao, Jau-Shoung Chen
  • Publication number: 20110254606
    Abstract: A frequency divider reduces jitter and power consumption, and includes a phase selector for receiving a plurality of clock signals and outputting an intermediate signal corresponding to phase characteristic of at least one of the clock signals, and an adjustable delay circuit for receiving the intermediate signal and generating an output signal by delaying the received intermediate signal.
    Type: Application
    Filed: June 27, 2011
    Publication date: October 20, 2011
    Inventors: Hong-Sing Kao, Meng-Ta Yang, Kuan-Hua Chao, Tse-Hsiang Hsu
  • Patent number: 7994828
    Abstract: A frequency divider reduces jitter and power consumption, and includes a phase selector for receiving a plurality of clock signals and outputting an intermediate signal corresponding to phase characteristic of at least one of the clock signals, and an adjustable delay circuit for receiving the intermediate signal and generating an output signal by delaying the received intermediate signal.
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: August 9, 2011
    Assignee: Mediatek Inc.
    Inventors: Hong-Sing Kao, Meng-Ta Yang, Kuan-Hua Chao, Tse-Hsiang Hsu
  • Patent number: 7936180
    Abstract: The invention provides a serial link transmitter coupled to a serial link receiver through a pair of transmission lines and having a pair of transmitting terminals respectively coupled to one of the transmission lines. The serial link transmitter comprises a differential amplifier and a voltage clamping circuit. The differential amplifier generates a pair of differential output voltages on the transmitting terminals according to a pair of differential input voltages for transmitting data to the serial link receiver, and the differential output voltages are transmitted with a common mode voltage to the serial link receiver during data transmission. The voltage clamping circuit clamps the pair of differential output voltages of the transmitting terminals to the common mode voltage before the serial link transmitter transmits data to the serial link receiver.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: May 3, 2011
    Assignee: Mediatek Inc.
    Inventors: Kuan-Hua Chao, Chih-Chien Hung, Pao-Cheng Chiu
  • Patent number: 7932740
    Abstract: A driving circuit includes: a first reference current source injects a reference current; each first switch unit is coupled between the first reference current source and one of first and second output ports; a second reference current source sinks the reference current; each second switch unit is coupled between the second reference current source and one of the output ports; a load unit is coupled between the output ports, and a common voltage is applied onto the load unit; and a calibration module calibrates an impedance of the load unit according to a voltage at one of the output ports, and the voltage is generated due to the reference current passing through one of the first switch units, the load unit, and one of the second switch units.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: April 26, 2011
    Assignee: Mediatek Inc.
    Inventors: Kuan-Hua Chao, Jeng-Horng Tsai, Tse-Hsiang Hsu
  • Publication number: 20110045839
    Abstract: A GPS remote transmission method in which satellite positioning data received by a GPS is converted into a speech signal and transmitted to a proximal mobile telephone wirelessly for enabling the proximal mobile telephone to transmit the speech signal to a proximal base station, which transmits the speech signal to a distal base station through an exchange system so that the distal base station transmits the speech signal to a distal mobile telephone for transmission to a distal GPS, which converts the speech signal into satellite position data for display on a display screen thereof.
    Type: Application
    Filed: August 21, 2009
    Publication date: February 24, 2011
    Applicant: GLOBALSAT TECHNOLOGY CORPORATION
    Inventor: Chia-Hua Chao
  • Publication number: 20110019087
    Abstract: A multimedia subtitle display method and the related system are disclosed. The invention provides a technology to dynamically adjust the subtitle displayed on a screen according to the real-time detection of display environment. Particularly a system detection routine is introduced into a multimedia playback system. In the beginning of playing the multimedia, a multimedia file and a subtitle file are respectively read by the routine in real time. The tags relating to the texts recorded in the subtitle file are used to determine a subtitle display sequence. The information relating to the system resources are further read by the routine. Based on the obtained display resolution, system language and the subtitle display sequence, a display mode is decided. The multimedia playback system plays the multimedia content combined with the subtitle subsequently.
    Type: Application
    Filed: March 22, 2010
    Publication date: January 27, 2011
    Applicant: IPEER MULTIMEDIA INTERNATIONAL LTD.
    Inventors: HSIANG-HUA CHAO, CHI-CHEN CHENG
  • Publication number: 20100332887
    Abstract: One exemplary storage control device for a storage medium includes a controller and a voltage detector, where the controller controls data access of the storage medium, and the voltage detector monitors a power signal and asserts a detection signal to notify the controller when anomaly of the power signal is detected. Another exemplary storage control device for a storage medium includes a voltage detector and a controller, where the voltage detector monitors a power signal to generate a detection signal, and the controller controls data access of the storage medium. In addition, the controller enters a first operational state when the detection signal indicates that a voltage level of the power signal falls within a first voltage range, and enters a second operational state when the detection signal indicates that the voltage level of the power signal falls within a second voltage range.
    Type: Application
    Filed: March 19, 2010
    Publication date: December 30, 2010
    Inventors: Tzu-Chieh Lin, Tzu-Li Hung, Kuan-Hua Chao, Shiue-Shin Liu, Hong-Ching Chen, Li-Chun Tu