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| Number | Title | Issue Date |
| 8184831 | Audio playing systems An audio playing system is provided comprising a first processing module, a second processing module, a control module, an output module, and a displaying module. The first and second processing modules amplify an audio signal and respectively generates a first firs... | 05/22/2012 |
| 8126100 | Communication protocol methods Communication protocol methods for performing signal synchronization, data transmission, and data acknowledgement between a transmitting device and a receiving device are provided. The methods are characterized by a plurality of transmission lines which are used for... | 02/28/2012 |
| 8116475 | Audio generating module An audio generating module is disclosed comprising a transmitting medium, a power unit and a transmitting unit. The power unit is used for providing power. The transmitting unit, situated in the transmitting medium, connects to the power unit for receiving power, an... | 02/14/2012 |
| 8111019 | Sensing type control circuit for electronic apparatus A sensing type control circuit for an electronic apparatus is provided. An output unit is coupled between an external power source and the electronic apparatus and provides varied power supply to the electronic apparatus according to a control signal. A switch is co... | 02/07/2012 |
| 8089427 | Display control circuit for vacuum fluorescent display The invention provides display control circuits for Vacuum Fluorescent Displays (VFDs). The display control circuit controls a plurality of display units of the VFD and comprises an image signal generator generating a plurality of image signals, a clock signal gener... | 01/03/2012 |
| 8084964 | Methods for adjusting brightness of light sources A method for adjusting brightness of a light source is provided. A light source with X brightness degrees is provided. The light source is turned on and off at least one time. When the number n of times of turning on the light source is less than or equal to the tot... | 12/27/2011 |
| 8014593 | Image color compensating apparatus and methods thereof The invention relates to an image color compensating apparatus and related method thereof. A color space conversion operation is implemented in a pixel of a source image to convert first image signals corresponding to the pixel to second image signals corresponding ... | 09/06/2011 |
| 8009774 | Devices for carrier recovery and related methods Devices for carrier recovery and related methods are provided. A receiving signal is provided to perform an interpolation filtering process and a frequency multiplication sampling process. The receiving signal is then processed with a dealing signal. The dealing sig... | 08/30/2011 |
| 8009770 | Decoder for 4QAM-NR and method thereof A 4QAM-NR decoder and decoding method are disclosed. The 4QAM-NR decoder, obtains original data corresponding to receiving data received by a receiving terminal. The 4QAM-NR decoder comprises a determining device, an improving device and a corresponding device. The ... | 08/30/2011 |
| 8006012 | Data storage system A data storage system is provided. The data storage system includes a first storage module for storing a first data, a second storage module for storing a second data, a control module and a processing module. The control module generates a first control signal and ... | 08/23/2011 |
| 7999616 | Method for reducing offset voltage of operational amplifier and the circuit using the same The invention provides an operational amplifier. In one embodiment, the operational amplifier includes an input stage circuit, a feedback circuit, a fixed stage circuit, and an output stage circuit. The input stage circuit receives a positive input voltage and a neg... | 08/16/2011 |
| 7956559 | Motor driving device The invention discloses a motor driving device for generating at least one driving signal according to a clock signal corresponding to the output signal of a hall sensor. The motor driving device also controls rotation of a motor via at least one driving signal, whe... | 06/07/2011 |
| 7908108 | Circuit testing apparatus A circuit testing apparatus for testing a device under test is disclosed. The device under test comprises a first output end and second output end for generating a first output signal and a second output signal, respectively. The circuit testing apparatus determines... | 03/15/2011 |
| 7907500 | Radio frequency zero crossing signal generator for optical disc drive The invention discloses radio frequency zero crossing signal generators for optical disc drives, comprising a controllable low pass filter, a comparator, and a control circuit. The controllable low pass filter evaluates an average level of the magnitude of a radio f... | 03/15/2011 |
| 7907374 | Electrostatic discharge prevention circuits An ESD prevention circuit is provided. The ESD prevention circuit comprises a voltage source, a charge-blocking unit, a first PMOS transistor, a first NMOS transistor, a second NMOS transistor, and an output unit. The charge-blocking unit is coupled to the voltage s... | 03/15/2011 |
| 7903955 | Motor driving device A driving device is provided for controlling rotation of a motor. The driving device comprises an inputting module, a comparing module and a processing module. The inputting module includes a first current source, a first voltage source and a first capacitance. The ... | 03/08/2011 |
| 7903895 | Data transformation device for image processing A data transformation device including a pre-processing unit, a calculating unit and a post-processing unit is disclosed. The pre-processing unit performs a first pre-process with received image data to generate pre-processed image data, and performs a second pre-pr... | 03/08/2011 |
| 7898350 | Frequency stabilizing device of an oscillator A frequency stabilizing device of an oscillator is disclosed. The frequency stabilizing device of an oscillator is used for stabilizing the frequency of an oscillator to keep the frequency in constant when input voltage is changed. The frequency stabilizing device c... | 03/01/2011 |
| 7855571 | Testing circuit board for preventing tested chip positions from being wrongly positioned A testing circuit board used in a testing system with a tester and a handler is disclosed. The testing circuit board is used for transmitting a plurality of testing signals provided by the tester to test at least two devices under test located on the handler. The te... | 12/21/2010 |
| 7854544 | Correction apparatus and clock device using the same A clock device is provided for generating a real-time clock. The clock device includes a frequency generator, a measuring module, a setting module and a timing module. The frequency generator generates a frequency signal. The measuring module is coupled to the frequ... | 12/21/2010 |
| 7830163 | Testing circuit board for testing devices under test The invention discloses a testing circuit board for placing a device under test and further testing the device under test according to a plurality of testing signals generated by a tester. The testing circuit board includes a circuit board and a plurality of sets of... | 11/09/2010 |
| 7825722 | High pass filter chip A high pass filter chip with a large size capacitor is disclosed. The high pass filter chip includes a fully-differential sensing device circuit. The fully differential sensing device circuit includes a first amplifier circuit, a second amplifier circuit, and a mill... | 11/02/2010 |
| 7793177 | Chip testing device and system A chip testing device having a plurality of testing units is provided. Each testing unit comprises a selector, a flip-flop unit, a first buffer and a second buffer. The selector is controlled by a control signal and has a first input terminal, a feedback input termi... | 09/07/2010 |
| 7782728 | Device for layer-jumping control of optical disc devices and related method A layer-jumping control device and method for an optical disc device includes a calculator, a controller, and a driver. The calculator is configured to receive an error-focusing signal, and to determine a peak and a trough of the error-focusing signal. The controlle... | 08/24/2010 |
| 7750725 | Stabilizing methods for current source A stabilizing current source circuit is provided. The stabilizing current source circuit is used for stabilizing a current provided by a current source, and the current of the current source increases when temperature rises. The stabilizing current source circuit co... | 07/06/2010 |
| 7738270 | Power supply device A power supply device with power conversion capabilities is disclosed. The power supply device comprises an input module, a power converter, and an output module. The input module is used for receiving an alternating current power. The power converter is coupled to ... | 06/15/2010 |
| 7733733 | Device for writing data into memory and method thereof A device for writing data into a memory and a method thereof. The memory comprises a plurality of memory arrays. Each of the memory arrays comprises a plurality of memory cells. The data is divided into a plurality of segments. The segments are written into first me... | 06/08/2010 |
| 7706999 | Circuit testing apparatus The invention discloses a circuit testing apparatus for testing a device under test. The circuit testing apparatus includes a precision measurement unit, a signal transformation module, and a microprocessor. The precision measurement unit is coupled to the device un... | 04/27/2010 |
| 7688020 | Step motor driving circuits A step motor driving circuit is provided. An exemplary step motor driving circuit includes an input voltage source set, a reference voltage source, a voltage level shift unit, a logic unit, a reset voltage source, and an output voltage terminal. The input voltage so... | 03/30/2010 |
| 7683599 | Voltage control circuits A voltage control circuit is provided. The voltage control circuit comprises a control voltage source, a current generating unit, and an output voltage generating unit. The control voltage source inputs a single end control voltage. The current generating unit coupl... | 03/23/2010 |
| 7659767 | Boost circuit and level shifter A level shifter including a first boost circuit, an inverter, a second boost circuit and a level shift circuit is disclosed. The first boost circuit receives an input signal, and a first amplification factor for the input signal is determined based on a control sign... | 02/09/2010 |
| 7653354 | Transmitter IC with SAW-based oscillator A transmitter IC provided with a SAW-based oscillator with an external SAW device. The transmitter IC comprises an oscillating circuit. The oscillating circuit comprises an inverter stage, a first capacitor, a second capacitor, and a resistor. The inverter stage has... | 01/26/2010 |
| 7653353 | Receiver IC with saw-based oscillator A receiver IC provided with a SAW-based oscillator with an external SAW device. The receiver IC comprises an oscillating circuit. The oscillating circuit comprises an inverter stage, a first capacitor, a second capacitor, and a resistor. The inverter stage has input... | 01/26/2010 |
| 7652543 | Electronic element arrangement method and voltage controlled oscillator using the same A method for arranging electronic elements is provided. The method is suitable for a set of N electronic elements in which N is an odd number. The set of N electronic elements include a first electronic element subset and a second electronic element subset. The elec... | 01/26/2010 |
| 7649387 | Output driving circuits An output driving circuit is disclosed, providing an output signal at an output node and comprises an inverter and an output driver. A first P-type transistor and a first N-type transistor of the inverter are coupled in series between high and low voltage sources an... | 01/19/2010 |
| 7642801 | Circuit testing apparatus for testing a device under test A circuit testing apparatus for testing a device under test is disclosed. The circuit testing apparatus includes a function generator, a signal measuring module and a determining module. The function generator is coupled to the device under test for providing a plur... | 01/05/2010 |
| 7633254 | Single phase motor driving device A device for driving a single phase motor is provided. The device controls the rotation of the single phase motor according to at least a control signal. The single phase motor driving device includes a control apparatus and a detection apparatus. The control appara... | 12/15/2009 |
| 7629845 | Amplifier and system utilizing the same An amplifier structure is disclosed. The amplifier comprises a voltage source, a first amplifying unit and a second amplifying unit. The first amplifying unit is coupled to the voltage source to amplify a first input signal and a second input signal to generate a fi... | 12/08/2009 |
| 7629762 | Motor driving circuits A motor driving circuit comprising first and second input voltage source sets, a reference voltage source, first and second voltage level shift units, a logic unit, and an output voltage terminal. The first input voltage source set provides a first input voltage set... | 12/08/2009 |
| 7583042 | Device and method for driving a single phase motor A driving device is provided for controlling the rotation of a motor. The driving device comprises an input module, a comparing module and a processing module. The input module includes a voltage generating unit and a voltage adjusting unit to generate a comparing v... | 09/01/2009 |
