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Cheng-Nan
Cheng-Nan Chang, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20080279026 | Signal sensing circuit and semiconductor memory device using the same - A signal sensing circuit and a semiconductor memory device using the same are provided. The signal sensing circuit comprises a sense amplifier, a kick transistor, a first control transistor, a second control transistor, a pre-charge circuit, and a recovery circuit. The kick transistor is used to pull up the operation voltage of the sense amplifier to improve the small signal sensing speed of the sense amplifier. After the signal is sensed, the recovery circuit will pull down the operation voltage of the sense amplifier to the standard level. In the present invention, the small signal sensing speed is greatly improved and the operation voltage of sense amplifier is kept away from the saturated level. | 11-13-2008 |
Cheng-Nan Chang, Taichung City TW
| Patent application number | Description | Published |
|---|---|---|
| 20080203594 | METHOD FOR FABRICATING AERATION STONE - A method for fabricating an aeration stone is disclosed, which abandoned activated sludge, red soil and an alkaline metal oxide are separately dried firstly and then cracked, and next the cracked abandoned activated sludge, red soil and alkaline metal oxide are separately sieved to obtain smaller grains thereof, and then the grains are separately ground into fine particles thereof and are mixed to be a mixture. Next, the mixture is molded into a green aeration stone. Next, the green aeration stone is fired at a high temperature and then cooled down to obtain a finished aeration stone. Therefore, the present invention recycles the abandoned sludge of wastewater treatment works to reduce the secondary pollution of abandoned sludge. | 08-28-2008 |
Cheng-Nan Chen, Chiayi Hsien TW
| Patent application number | Description | Published |
|---|---|---|
| 20120018982 | FOLDING DEVICE FOR WHEELCHAIR - A folding device of a wheelchair includes a first folding unit and a second folding unit, wherein the first folding unit includes a first part, a second part and a connection rod connected between the first part and the second part. The first part has a first link and a second link respectively and pivotably connected thereto, and the second part has a third link and a fourth link respectively and pivotably connected thereto. The second folding unit has two boards and the two boards have two connection units. Each board has a recess and two lugs. Each recess has a first plate and a second plate connected thereto. A handle has two ends which are respectively and pivotably connected to the first and second plates. | 01-26-2012 |
Cheng-Nan Huang, Tainan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20120134167 | VEHICLE LAMP - A vehicle lamp includes a lamp housing, a first light emitting component, a second light emitting component, a lens member, and a light-blocking plate. The lamp housing defines a receiving space having first and second space portions adjacent to each other, and is formed with a light-exit opening. The first and second light emitting components are disposed in a respective one of the first and second space portions. The lens member closes the light-exit opening, and includes a first lens body aligned with the first light emitting component and a second lens body aligned with the second light emitting component. The light-blocking plate is disposed in the receiving space, is aligned with a portion of the second lens body that is adjacent to the first lens body, and is disposed to block a portion of light radiated by the second light emitting component from reaching the second lens body. | 05-31-2012 |
Cheng-Nan Huang, Longtan Shiang TW
| Patent application number | Description | Published |
|---|---|---|
| 20110171546 | Solid Oxide Fuel Cell System - A solid oxide fuel cell system includes a fuel cell unit for generating electricity via executing an electrochemical reaction on fuel, a fuel supply for storing the natural gas, water and air and a re-composing unit for re-composing natural gas, water and air into the fuel. A pipe transfers the natural gas, water and air into the re-composing unit from the fuel supply. Another pipe transfers the fuel into the fuel cell unit from the re-composing unit. Another pipe transfers hot air into the re-composing unit from the fuel cell unit. A mixing unit mixes air with residual fuel from the fuel cell unit. A combusting unit burns the mixture from the mixing unit. A heat-exchanging unit executes heat-exchanging between air and the exhaust from the combusting unit. The heat-exchanging unit includes an air-inletting port, an exhaust port and another port for sending hot air into the fuel cell unit. | 07-14-2011 |
| 20110177409 | Fuel Cell System - A fuel cell system includes a fuel cell unit, a reformer with a catalyst and heat pipes around the catalyst, and a combustor connected to the heat pipes. A first fuel pipe sends fuel into the reformer. The fuel is reformed in the reformer. A first air port sends air into the reformer. An anode pipe sends the reformed fuel into the fuel cell unit. The chemical reaction of the reformed fuel occurs in the fuel cell unit. A cathode pipe sends the air into the fuel cell unit. A residual reformed fuel pipe sends residual reformed fuel into the combustor. A hot air pipe sends hot air into the combustor. The residual reformed fuel pipe is mixed with the hot air and burned in the combustor. A second fuel pipe sends more fuel into the combustor if necessary. A second air port sends air into the combustor if necessary. | 07-21-2011 |
Cheng-Nan Huang, Taoyuan County TW
| Patent application number | Description | Published |
|---|---|---|
| 20110097646 | Porous-Medium Burning Apparatus - A burning device is provided for fuel cell to be run under high temperature. The burning device uses a specific-designed fuel spraying device having porous medium. The burning device can be used under different statuses of flow in the fuel cell. With the burning device, the fuel cell has improved efficiency by enhancing recycling of system heat and pollution of discharged waste gas is reduced. | 04-28-2011 |
Cheng-Nan Lin, Hsinchu City TW
| Patent application number | Description | Published |
|---|---|---|
| 20080252627 | DISPLAY ARRAY DRIVING CIRCUIT AND DRIVING METHOD THEREOF - A display array driving circuit is provided. The circuit includes a first memory block, a second memory block, and a main circuit. The first memory block stores the most significant bit (MSB) of the data of one pixel. The second memory block is utilized to store non-MSB bits of the data of the pixel. The main circuit retrieves the MSB of the data of the pixel from the first memory block when the display array is in a predetermined mode, for displaying the pixel data on the display array. In the predetermined mode, the main circuit does not retrieve the non-MSB bits of the data of the pixel, and power consumption is subsequently reduced. | 10-16-2008 |
| 20100013844 | MEMORY AND PIXEL DATA STORING METHOD - A memory includes at least one memory cell. The memory cell includes a first set of bits and a second set of bits for respectively storing first sub-pixel data and second sub-pixel data of pixel data. The first set of bits has a first fail bit. A least significant bit of the first sub-pixel data is stored at the first fail bit. | 01-21-2010 |
| 20110032237 | CIRCUIT STRUCTURE - A circuit structure suitable for coupling between a sample register and a digital-to-analog converter in a source driver circuit is disclosed. The circuit structure includes a multi-function switch circuit and a control unit. The multi-function switch circuit is coupled to an elevation voltage terminal and a system ground terminal. The multi-function switch circuit has a positive input pole, a negative input pole and a positive output pole. The control unit is coupled to the positive input pole and a negative input pole. The control unit selectively conducts a positive input signal and a negative input signal from the sample register to the positive input pole and the negative input pole respectively according to a latch control signal. Accordingly, the multi-function switch circuit of the invention has two functions of voltage shifting and data latching. | 02-10-2011 |
Cheng-Nan Tsai, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20100171694 | Electronic Apparatus with Virtual Data Input Device - An electronic apparatus with a virtual data input device includes a first body, a second body, a sensing plane, an image sensing module and a processor. A display is disposed on the second body. The sensing plane is disposed on the first body and configured for generating an initiating signal when a user presses the sensing plane. The image sensing module is disposed on the second body and configured for sensing the pressing action on the sensing plane by the user and generating an image signal that carries the information of the pressed position on the sensing plane. The processor is electrically connected with the sensing plane and the image sensing module, and configured for processing the image signal after the initiating signal is generated so that data corresponding to the pressing action of the user is input to the electronic apparatus. | 07-08-2010 |
| 20110304587 | APPARATUS AND METHOD FOR ACQUIRING OBJECT IMAGE OF A POINTER - An apparatus and a method for acquiring object image of a pointer are provided. The apparatus is suitable for an optical touch system and is used for acquiring an object image of a pointer when the pointer interacts with a touch surface of the optical touch system. The apparatus includes an image sensor and a processing circuit. The image sensor is used for acquiring an image of the touch surface. When the pointer approaches the touch surface, the processing circuit compares at least a part of the information of a sensed image with a threshold value, so as to determine a comparison range. Then, the processing circuit determines another threshold value according to the image information in the comparison range. Afterwards, the processing circuit compares the image information in the comparison range with the aforementioned another threshold value, so as to acquire an object image of the pointer. | 12-15-2011 |
| 20110304588 | OPTICAL TOUCH SYSTEM, APPARATUS AND METHOD FOR CALCULATING THE POSITION OF AN OBJECT - An optical touch system, an apparatus and a method for calculating the position of an object are provided. The apparatus includes an image sensor and a processing circuit. The processing circuit selects at least one dot from a curve segment of a brightness distribution profile obtained from a background image, wherein the curve segment corresponds to an imaging range of an object. And the processing circuit regards the column pixel brightness value corresponding to the dot as a brightness reference value. Afterwards, the processing circuit calculates brightness difference between the brightness reference value and the column pixel brightness values corresponding to the dots of a curve segment of a brightness distribution profile obtained from a sensed image, so as to further calculate a gravity of the imaging range. After that, the processing circuit regards the gravity as a representative position of the object in the sensed image. | 12-15-2011 |
| 20120127129 | Optical Touch Screen System and Computing Method Thereof - An optical touch screen system includes a sensing device and a processing unit. The sensing device includes first and second sensors, each generating an image. The images include the image information of a plurality of objects. The processing unit generates a plurality of candidate coordinates according to the image information and selects a portion of the candidate coordinates as output coordinates according to an optical feature of the image information. | 05-24-2012 |