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Chin-Hao
Chin-Hao Chang, Hsinchu City TW
| Patent application number | Description | Published |
|---|---|---|
| 20080285498 | Key recognition method and wireless communication system - A key recognition method and a key recognition system are applied to a wireless bridging apparatus and a terminal apparatus with a wireless communication function. When a user uses the wireless bridging apparatus at a first time, the user cannot connect the wireless bridging apparatus to a wireless network through the terminal apparatus until key verification between the terminal apparatus and the wireless bridging apparatus has been conducted and passed. The key recognition method includes the steps of: transmitting, by the wireless bridging apparatus, an original code to the terminal apparatus; encoding, by the terminal apparatus, the original code to obtain a transformed code; encoding, by the terminal apparatus, the original code and the transformed code to obtain a recognition code; and transmitting, by the terminal apparatus, the recognition code to the wireless bridging apparatus for verification and communication establishment. | 11-20-2008 |
Chin-Hao Chang, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20120075132 | METHOD AND APPARATUS FOR CALIBRATING SIGMA-DELTA MODULATOR - In a method of converting an analog signal to digital format, an analog input signal is received and processed using sigma-delta modulation to provide a first digital signal that represents the analog input signal in digital format and to provide a second digital signal that represents a first error introduced during the sigma-delta modulation. A second error that is error introduced during the sigma-delta modulation is estimated. A pre-correction signal is determined based on the first and second digital signals. A difference between the estimated second error and the pre-correction digital signal is determined to provide a digital output signal representing the analog input signal in digital format. An error correction element operable to adjust the digital output signal based on the analog input signal, the digital output signal, and the second digital signal is controlled. | 03-29-2012 |
Chin-Hao Hung, Sijhih City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090002925 | Universal type keyboard - A universal type keyboard has a common design of an upper housing and key caps for different languages such that keyboards of different languages can be manufactured with a universal upper housing. | 01-01-2009 |
| 20090058808 | Computer mouse device - A mouse device includes a main body and a cover. The main body includes a roller wheel, a left key and a right key, wherein the roller wheel is sandwiched between the left key and the right key. The cover includes a right key cover and a left key cover to define an opening between thereof, wherein the right key cover and the left key cover are separately pivotally connected to the main body. When the cover lies against a top surface of the main body, the right key cover lies against the right key, the left key cover lies against the left key, and the opening exposes the roller wheel. | 03-05-2009 |
Chin-Hao Hung, Suhih City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090003246 | Multimedia conference device - A multimedia conference device includes a main body, at least three legs, and a cylindrical portion. At least three legs are pivotally connected with the main body respectively at one end thereof. The cylindrical portion extends outward from a central area of the main body. | 01-01-2009 |
Chin-Hao Wu, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20100289410 | Illumination device and control method thereof - An illumination device and a control method thereof are provided. The illumination device includes a fan and a light emitting diode module capable of emitting a light beam. The control method includes: detecting a fan signal of the fan; determining whether an operation of the fan is abnormal according to the fan signal, wherein a driving current of the LED module is reduced when the operation of the fan is determined to be abnormal; and a driving current of the LED module is reduced to a predetermined rang of the normal rated driving current when the fan is determined to be stop according to the fan signal. | 11-18-2010 |
| 20100295688 | Illumination device and control method thereof - An illumination device and a control method of the illumination device are provided. The illumination device includes a thermal sensor and a light emitting diode (LED) module. The control method include steps of: enabling the thermal sensor to detect the environment temperature outside the illumination device, and comparing the environment temperature with a threshold value, wherein if the environment temperature is higher than the threshold value, the driven current of the LED module is reduced and the thermal sensor is shut down within a continued period of time. | 11-25-2010 |
Chin-Hao Wu, Taipei County TW
| Patent application number | Description | Published |
|---|---|---|
| 20100131445 | METHOD OF DATA TRANSMISSION WITH DIFFERENTIAL DATA FUSION - A data processing method for communication for a network having a plurality of nodes and a data collection device is provided. First, one of the nodes is selected according to a schedule for overhearing a reference data transmitted by a reference node to the data collection device. Then, a predicted data is calculated by the selected node according to the reference data and a corresponding prediction module. Next, the predicted data is compared with an actual data captured by the selected node, and an error between the predicted data and the actual data is transmitted to the data collection device. The selected node needs not to transmit any data to the data collection device if there is no error between the predicted data and the actual data. Thereby, the quantity of data to be transmitted is greatly reduced, and accordingly problems caused by insufficient bandwidth of the network are avoided. | 05-27-2010 |