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Kuan-Hung
Kuan-Hung Chen, New Taipei City TW
| Patent application number | Description | Published |
|---|---|---|
| 20110260895 | CODE MAPPING METHOD APPLIED TO DIGITAL-TO ANALOG CONVERTER - A code mapping method includes: providing M bits of digital input codes; checking the 1 | 10-27-2011 |
Kuan-Hung Chen, Taipei County TW
| Patent application number | Description | Published |
|---|---|---|
| 20100128177 | SIGNAL PROCESSING UNITS CAPABLE OF PROVIDING PLUG-IN DETECTION - Signal processing units capable of providing plug-in detection without an external circuit occupying GPIO resource are provided, in which a switching element is coupled to a television signal output pad, a terminal resistor is coupled between the switching element and a ground voltage, and an interrupt signal generator generates an interrupt signal when a receiving port of a television signal receiver is coupled to the television signal pad. A control unit turns on the switching element to connect the terminal resistor to the television signal output pad when receiving the interrupt signal, wherein the switching element, the terminal resistor, the interrupt signal generator and the control unit are integrated in a chip. | 05-27-2010 |
| 20110169680 | DIGITAL-TO-ANALOG CONVERTER AND CODE MAPPING METHOD APPLIED TO THE DIGITAL-TO ANALOG CONVERTER - A digital-to-analog converter includes an operational amplifying circuit, a switched capacitor circuit, an R-string sub-circuit, and a direct-charge transfer circuit. The operational amplifying circuit has a pair of differential input ends and a pair of differential output ends. The switched capacitor circuit is coupled to the pair of differential input ends of the operational amplifying circuit. The R-string sub-circuit is coupled to the switched capacitor circuit and the pair of differential input ends of the operational amplifying circuit. The direct-charge transfer circuit is coupled to the pair of differential input ends and the pair of differential output ends of the operational amplifying circuit. | 07-14-2011 |
Kuan-Hung Chen, Tu-Cheng TW
| Patent application number | Description | Published |
|---|---|---|
| 20100035649 | PORTABLE ELECTRONIC DEVICE WITH DETACHABLE KEYPAD MODULE - A portable electronic device includes a first housing, a latching mechanism, and a keypad module. The keypad module can be removed from the electronic device without having to take apart the electronic device. | 02-11-2010 |
Kuan-Hung Chen, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20090298441 | WIRELESS TRANSCEIVER CHIP AND CALIBRATION METHOD THEREOF - A wireless transceiver chip and calibration method thereof are disclosed. The wireless transceiver chip comprises at least one receiver, at least one transmitter, and at least one switch. The switch is connected to the receiver and the transmitter respectively for being applied to switch between the receiver and the transmitter. Practically, the switch is provided within the wireless transceiver chip, such that the pin count of the wireless transceiver chip can be reduced. | 12-03-2009 |
Kuan-Hung Chen, Wugu Township TW
| Patent application number | Description | Published |
|---|---|---|
| 20110018753 | NOISE-SHAPED SEGMENTED DIGITAL-TO-ANALOG CONVERTER - A segmented digital-to-analog converter (DAC) is disclosed. In the present invention, the segmented DAC of the present invention comprises a signal component processing stage and a plurality of noise component processing stages cascaded with the signal component processing stage. A noise component of an input word for the DAC is split into a plurality of portions to be processed. By doing so, effect due to gain mismatch(es) in an analog portion of the DAC can be effectively reduced without significantly increasing DAC cells used in the DAC | 01-27-2011 |
Kuan-Hung Chen, Dalin Township TW
| Patent application number | Description | Published |
|---|---|---|
| 20080225939 | MULTIFUNCTIONAL VIDEO ENCODING CIRCUIT SYSTEM - The present invention discloses a multifunctional video encoding circuit system capable of performing six types of operations: addition, subtraction, multiplication, multiply-accumulation, interpolation, and absolute difference summation. A partial product generation part, a partial product reduction part and an accumulation part of the circuit system are equipped with a virtual power suppression unit each for reducing the power consumption of the partial product generation part, the partial product reduction part and the accumulation part, so as to reduce the power consumption of the multifunctional video encoding circuit system. | 09-18-2008 |
Kuan-Hung Chen, Taipei TW
| Patent application number | Description | Published |
|---|---|---|
| 20110235338 | LIGHT EMITTING DEVICE AND LENS THEREOF - A lens and a light emitting device applying the same are provided. The lens has a first profile along a first cross-section and a second profile along a second cross-section perpendicular to the first cross-section. The first profile is asymmetric with respect to the second cross-section, and the second profile is symmetric with respect to the first cross-section. A contour center of a light emergent surface of the lens is located on an intersection of the first cross-section and the second cross-section. The light emergent surface comprises a first curved surface and a second curved surface being connected with each other at the second cross-section. Furthermore, a curvature of the first curved surface and a curvature of the second curved surface are discontinuous at the contour center. The light emitting device applies the lens for receiving a light emitted from a light source and provides an asymmetric light output. | 09-29-2011 |
| 20110242807 | LIGHT COVER AND ILLUMINATING APPARATUS APPLYING THE SAME - A light cover and an illuminating apparatus applying the same are provided. The illuminating apparatus comprises the light cover and a plurality of light sources. The light cover comprises a substrate provided with a plurality of recesses on a front surface and a plurality of lenses integrated with the substrate and respectively located in the recesses. The lenses are oriented in a same direction. The light sources are disposed corresponding to the lenses. Each of the light sources is adapted to emit a light. Each of the lenses is adapted to receive the light and transform the light into a predefined light output. | 10-06-2011 |
Kuan-Hung Lin, Tainan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20120026203 | IMAGE COMPENSATION APPARATUS AND METHOD THEREOF AND FIELD SEQUENTIAL COLOR LIQUID CRYSTAL DISPLAY USING THE SAME - An image compensation apparatus and a method thereof and a field sequential color liquid crystal display (FSC-LCD) using the same are provided. The method includes performing a motion estimation to a first color image information so as to obtain a motion vector; performing a color decomposition to the first color image information so as to obtain a first sub-color-field and a residual color image information; performing a motion compensation to the residual color image information according to the motion vector, so as to obtain a second, a third and a fourth sub-color-fields; and separating a white component from the second, the third and the fourth sub-color-fields into the first sub-color-field, so as to make a color component corresponding to one of the second, the third and the fourth sub-color-fields to be zero, and accordingly output and provide a second color image information to the FSC-LCD to display frame(s). | 02-02-2012 |
Kuan-Hung Shen, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090199295 | IMAGE PASSWORD AUTHENTICATION SYSTEM OF PORTABLE ELECTRONIC APPARATUS AND METHOD FOR THE SAME - The present invention provides an image password authentication system of a portable electronic apparatus and a method for the same. An image with a plurality of image regions is stored in the portable electronic apparatus, and the image regions are selected on a touch panel to generate an authentication parameter. The authentication parameter comprises user-selected image regions, a sequence of user-selected image regions, an elapsed time of selection operation, and requested times of selection operation. The authentication parameter is stored in a database module and is used to verify a validation parameter which is generated when users select the plurality of image regions on the touch panel of the authentication system in operating the portable electronic apparatus. Hence, the image password authentication can be provided to replace the existing number-input or character-input password authentication scheme. | 08-06-2009 |