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Cheng-Han
Cheng-Han Chang, Taipei TW
| Patent application number | Description | Published |
|---|---|---|
| 20100208422 | DETACHABLE MOUNTING ASSEMBLY FOR MOTHERBOARD - The invention discloses a detachable mounting assembly for a motherboard. The assembly includes an electronic component; a carrier for carrying the electronic component and having a first portion; a base including a recess which is located at a predetermined position corresponding to the carrier on the motherboard and a second portion corresponding to the first portion, magnetically coupled to the first position. The carrier further includes an inserting structure cooperating with the recess to locate the carrier in the predetermined position. | 08-19-2010 |
| 20100226087 | COMPUTER SYSTEM WITH INTEGRATED CABLE - A computer system with integrated cable is disclosed. The computer system includes a circuit board module, at least one electronic device and an integrated cable. The circuit board module includes a first connector, and the integrated cable is electrically connecting with the circuit board module and the electronic device. The integrated cable includes a second connector electrically connected to the first connector and a body electrically connected to the electronic device. The body integrates at least one power cable and at least one signal cable electrically connected to the second connector, and has a tearing structure formed between the power cable and the signal cable to allow an easy separation of the power cable and the signal cable. With such, meanwhile, entwining of unused power cables or signal cables is effectively avoided. | 09-09-2010 |
Cheng-Han Chang, Taipei City TW
| Patent application number | Description | Published |
|---|---|---|
| 20100162597 | IDENTIFICATION MODULE FOR FACILITATING INSTALLATION OF FUNCTIONAL COMPONENT - An identification module for facilitating installation of a functional component includes a circuit board having a first connecting portion, a first functional component, a first primary label disposed on the first connecting portion and a first subsidiary label disposed on the first functional component, wherein the first subsidiary label and the first primary label respectively have two first identifying symbols corresponding to each other. With intuitional identify the first identifying symbols, a correlation between the first functional component and the first connecting portion is easily cognized, therefore facilitates installation and increase efficiency and yield thereof. | 07-01-2010 |
Cheng-Han Chang, Taoyuan County TW
| Patent application number | Description | Published |
|---|---|---|
| 20100206149 | TUBE CUTTING DEVICE AND METHOD THEREOF - A tube cutting device and method thereof are disclosed, which are adapted for performing a remote tube cutting operation upon a tube. The tube cutting device is comprised of: a holding unit; a cutting unit; and a control unit, connected to the holding unit and the cutting unit in a remote manner; wherein, the control unit is capable of directing the holding unit to hold and move a tube to a specific position and thereafter directing the cutting unit to perform a cutting operation upon the tube. With the aforesaid tube cutting device, an operator operating the tube cutting device can perform an cutting operation upon the tube remotely without having to contact directly with the tube, and thus the operator is prevented from having to stay in a working environment containing hazardous materials, such as radioactive pollutants, gas/liquid with strong acid or alkali, etc., so that the safety of the tube cutting operation can be enhanced. In addition, as the tube cutting device is simple in structure, the manufacturing cost thereof is comparatively low but still possess high cutting efficiency. | 08-19-2010 |
Cheng-Han Chen, Taipei City TW
| Patent application number | Description | Published |
|---|---|---|
| 20100133462 | One dimension and nano magnetic wires and manufacturing method thereof - A manufacturing method of one dimension nano magnetic wires is provided. In the method, the one dimension nano magnetic wires having high magnetization and low coercive force are synthesized from a liquid by means of reduction with an applied magnetic field under normal atmospheric temperature and pressure. The one dimension nano magnetic wire is selected from the groups consisting of iron (Fe), cobalt (Co), nickel (Ni), and composites and an alloy thereof. | 06-03-2010 |
| 20100172818 | Method of preparing carbon nanotube complexes - A method of fabricating carbon nanotube complex is disclosed, which comprises, (A) dispersing carbon nanotubes in a solvent; (B) adding a filler to the above solution to give a precursor solution; (C) performing light illumination on the precursor solution; (D) washing the solution after light exposure; and (E) drying to evaporate the solvent contained in the solution. Therefore, the carbon nanotube complex of the present invention is obtained. | 07-08-2010 |
| 20100285397 | Hybrid catalyst, method of fabricating the same, and fuel cell comprising the same - A hybrid catalyst is disclosed, which has a structure of Pt/oxygen-donor/carbon-nanotube. The hybrid catalyst has a superior electrochemical characteristic and high carbon monoxide conversion efficiency even in a low reacting temperature, and thus is useful at detoxification of carbon monoxide. Besides, the oxygen-donor utilized in the present invention is cheap and is commercially reachable, therefore the hybrid catalyst of the present invention is advantageous in commercial usage. Also, a method of fabricating the above hybrid catalyst and a fuel cell comprising the above hybrid catalyst are disclosed. | 11-11-2010 |
| 20100321773 | METHOD AND SYSTEM FOR THREE-DIMENSIONAL POLARIZATION-BASED CONFOCAL MICROSCOPY - A method and system for three-dimensional polarization-based confocal microscopy are provided in the present disclosure for analyzing the surface profile of an object. In the present disclosure, a linear-polarizing structured light formed by an optical grating is projected on the object underlying profile measurement. By means of a set of polarizers and steps of shifting the structured light, a series of images with respect to the different image-acquired location associated with the object are obtained using confocal principle. Following this, a plurality of focus indexes respectively corresponding to a plurality of inspected pixels of each image are obtained for forming a focus curve with respect to the measuring depth and obtaining a peak value associated with each depth response curve. Finally, a depth location with respect to the peak value for each depth response curve is obtained for reconstructing the surface profile of the object. | 12-23-2010 |
| 20110097650 | Catalyst composition, method for fabricating the same and fuel cell including the same - The present invention relates to a catalyst composition, a method for fabricating the same and a fuel cell including the same. The catalyst composition provided by the present invention includes: a catalyst carrier; and a metal solid solution, disposed on the surface of the catalyst carrier, in which the metal solid solution includes palladium and a second metal, and the second metal is selected from the group consisting of gold, platinum, ruthenium, nickel, silver and manganese. Accordingly, the catalyst composition provided by the present invention can exhibit excellent catalytic characteristics, and can be applied in a fuel cell to enhance the electrochemical properties and stability of the fuel cell. | 04-28-2011 |
Cheng-Han Chen, Taipei TW
| Patent application number | Description | Published |
|---|---|---|
| 20090085457 | FIELD EMISSION CATHODE AND METHOD FOR MANUFACTURING THE SAME - A field emission cathode and a method for manufacturing the same are disclosed. In the present invention, the carbon nanotube is coated with an amorphous coating material so that the above-mentioned field emission cathode resists oxidization in a high electrical field and the structure thereof can be protected. Additionally, the field emission cathode can exhibit field emission performance in a low electrical field, and generate stable current as the electrical field increases so that the efficiency and stability of the field emission current can be enhanced. | 04-02-2009 |
Cheng-Han Lee, Sijhih City TW
| Patent application number | Description | Published |
|---|---|---|
| 20100327881 | Control unit, sensing device for a capacitive touch panel and method therefor - A noise reducing device for a capacitive touch panel and a method of reducing noise for a capacitive touch panel are disclosed to solve problems related to noise generated by a conventional filter circuit and an integrating circuit or external noise. In the invention, at least one switch circuit is used so that the conventional filter circuit and integrating circuit used in the prior are omitted. Signals output from a current measurement circuit are transmitting to a control unit to calculate the location of a touch point, reducing any noise. | 12-30-2010 |
Cheng-Han Lee, Taiping City TW
| Patent application number | Description | Published |
|---|---|---|
| 20110056336 | Push-type ratchet wrench - A push-type ratchet wrench may be easily operated. At least one end of a handle has a head, in which a driving body for rotating a workpiece and an engaging block capable of selectively switching the rotation direction of the driving body are provided. Also, a control member for actuating the engaging block is provided on the head. The control member includes a base disposed in the head, and an actuating block pivotally mounted on the base. The actuating block has an actuating sheet passing through the base and extending toward the engaging block. A clamping slot is formed at a location corresponding to the engaging block so that the actuating sheet can be clamped by the engaging block, and the user can press the actuating block leftward/rightward to achieve the object of switching and to prevent the conventional problems of easily breaking and uneasily actuating. | 03-10-2011 |
Cheng-Han Lee, Taipei TW
| Patent application number | Description | Published |
|---|---|---|
| 20090211817 | TOUCH PANEL DEVICE OPERABLE BY MULTIPLE USERS AND A METHOD FOR CONTROLLING THE TOUCH PANEL - A touch panel device has a capacitive touch panel, a current sensing unit, a control unit and a switch. The control unit computes a coordinate of a press position based on current changes occurring at all corners of the touch panel, and provides an AC signal being output through multiple output terminals of the switch in turn. When the AC signal is applied to different users and then conducted to the touch panel, the control unit recognizes which user is pressing the touch panel. Therefore, the touch panel device has the capability of being operated my multiple users. | 08-27-2009 |
Cheng-Han Li, Hsin Chu City TW
| Patent application number | Description | Published |
|---|---|---|
| 20100288014 | Gas sensor and method thereof - A gas sensor comprises a first surface-acoustic-wave device, at least one further surface-acoustic-wave device, and a control device. The first surface-acoustic-wave device includes a piezoelectric substrate, a pair of transducers and an external circuit. The pair of transducers consists of a first transducer and a second transducer, and they are formed on two sides of the piezoelectric substrate. The first transducer is utilized to generate a surface acoustic wave on the piezoelectric substrate. The external circuit electrically connects to the pair of transducers. At least one further surface-acoustic-wave device includes at least one first surface-acoustic-device and a sensing porous thin film of which two sides are formed on the pair of the transducers. The control device is utilized to control only one external circuit to become activated at one time. | 11-18-2010 |
Cheng-Han Tsai, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20110272833 | METHOD FOR MANUFACTURING A HOUSING OF A NUMERIC DISPLAY - The method for manufacturing a housing of a numeric display have the steps of: providing a first injection-molding step for forming a reflecting cover, wherein the reflecting cover has a plurality of pattern segment units, each pattern segment unit is defined by reflecting surfaces of the reflecting cover and has a through hole, and providing a second injection-molding step for forming a transparent injection-molded body into each pattern segment unit, surfaces of the formed transparent injection-molded body being bonded to the corresponding reflecting surfaces, and the reflecting cover and the transparent injection-molded body being constructed as the housing of the numeric display. | 11-10-2011 |
Cheng-Han Tsai, Yongkang City TW
| Patent application number | Description | Published |
|---|---|---|
| 20100133163 | Magnetic filtering film - A magnetic filtering film is used to remove grains from liquid that goes through the magnetic filtering film. The magnetic filtering film includes a rubber film and micro-magnets. The rubber film is made of organic polymer. The rubber film is formed with apertures through which liquid can go. The micro-magnets are distributed in the rubber film for attracting ferromagnetic grains from the liquid. | 06-03-2010 |
Cheng-Han Tsai, Taipei City TW
| Patent application number | Description | Published |
|---|---|---|
| 20110217239 | SYSTEM AND METHOD OF EVALUATING A PROTEIN OF INTEREST ON TUMOR GROWTH INHIBITION WHILE FOLLOWING THE TUMOR IN VIVO OR IN VITRO - Disclosed herein are systems and methods for evaluating a protein of interest on growth inhibition of a tumor while following the tumor in vivo or in vitro through a co-expressed visible marker. The present disclosure provides an expression composition for stably transforming cells, preferably tumor cells. The expression composition includes two vectors respectively include polynucleotides encoding a protein of interest and a visible marker, wherein each polynucleotide is operably linked to a tet-on system such that the protein of interest and the visible marker are co-expressed upon activation of the tet-on system. The present disclosure also provides stably transfected cell lines, which may be used to access real-time biological processes, including tumor cell proliferation. | 09-08-2011 |
Cheng-Han Wang, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100097152 | TUNABLE FILTER WITH GAIN CONTROL CIRCUIT - An apparatus includes a filter and a gain control circuit. The filter receives and filters an input signal and provides an output signal in a first mode and operates as part of an oscillator in a second mode. The gain control circuit varies the amplitude of an oscillator signal from the oscillator in the second mode, e.g., by adjusting at least one variable gain element within the oscillator to obtain a target amplitude and/or non rail-to-rail signal swing for the oscillator signal. The apparatus may further include a bandwidth control circuit to adjust the bandwidth of the filter in the second mode. The bandwidth control circuit receives the oscillator signal, determines a target oscillation frequency corresponding to a selected bandwidth for the filter, and adjusts at least one circuit element within the filter to obtain the target oscillation frequency. | 04-22-2010 |
| 20100099372 | TUNABLE FILTERS WITH LOWER RESIDUAL SIDEBAND - An apparatus includes first and second filters and a bandwidth control circuit. The first filter operates as part of a first oscillator in a first mode and filters a first input signal and provides a first output signal in a second mode. The second filter operates as part of a second oscillator in the first mode and filters a second input signal and provides a second output signal in the second mode. The bandwidth control circuit adjusts the bandwidth of the first and second filters in the first mode, e.g., adjusts the oscillation frequency of each oscillator to obtain a target bandwidth for an associated filter. The apparatus may further include first and second gain control circuits. Each gain control circuit may vary the amplitude of an oscillator signal from an associated oscillator and/or set a gain of an associated filter in the first mode. | 04-22-2010 |
| 20100156532 | CLASS AB AMPLIFIER WITH RESISTIVE LEVEL-SHIFTING CIRCUITRY - A class AB amplifier with resistive level-shifting circuitry is described. In one exemplary design, the class AB amplifier includes an input stage, a resistive level-shifting stage, a class AB output stage, and a bias circuit. The input stage receives an input signal and provides a first drive signal. The resistive level-shifting stage receives the first drive signal and provides a second drive signal. The output stage receives the first and second drive signals and provides an output signal. The bias circuit generates a bias voltage for the resistive level-shifting stage to obtain a desired quiescent current for the output stage. In one exemplary design, the resistive level-shifting stage includes a transistor and a resistor. The transistor receives the bias voltage and provides the second drive signal. The resistor is coupled to the transistor and provides a voltage drop between the first and second drive signals. | 06-24-2010 |
| 20110092178 | DOUBLED BALANCED MIXER WITH IMPROVED COMPONENT MATCHING - An improved passive double balanced mixer with reduced capacitor voltage mismatch is described. A passive double balanced mixer includes two sets of mixer circuits, each comprised of switches. Each switch is separately divided into a first portion and a second portion of unequal number of fingers. A first and second LO AC coupling capacitors associated with a given switch are coupled at one end to an LO signal. The outputs of the first LO AC coupling capacitors are coupled to the first portion of the first switch and the second portion of the second switch, respectively, while the outputs of the second LO AC coupling capacitors are coupled to the second portion of the first switch and the first portion of the second switch, respectively. In one embodiment, the unequal number of fingers is defined by an n−1 and an n+1 number of fingers, respectively. In an alternate embodiment, the mixer is an ADB mixer with a transconductance amplifier and two sets of mixer circuits as above. | 04-21-2011 |
| 20110300821 | TECHNIQUES FOR OPTIMIZING GAIN OR NOISE FIGURE OF AN RF RECEIVER - Techniques for optimizing gain or noise figure of an RF receiver are disclosed. In an exemplary embodiment a controller controls a capacitor bank between an LNA and a mixer of the RF front end of the receiver. For a given center frequency a first set of capacitors is switched to the mixer and a second set of capacitors is switched to ground. The ratio of capacitance of the second set to the first set of capacitors affects either gain of the RF FE or noise figure of the receiver. Therefore, the RF FE of the receiver may be controlled in such a way as to optimize for either RF FE gain or for receiver noise figure. | 12-08-2011 |
Cheng-Han Wu, Taipei City TW
| Patent application number | Description | Published |
|---|---|---|
| 20120056808 | EVENT TRIGGERING METHOD, SYSTEM, AND COMPUTER PROGRAM PRODUCT - An event triggering method, system, and computer program product are provided, in which an optical spot trajectory tracking is utilized. Firstly, a cursor at a position on the surface of a screen is moved to a preset position through a first optical spot, then, the projecting of the first optical spot is stopped. Next, it is determined whether the preset position is a preset position of a command. Then, a second optical spot is projected to generate a light-triggered signal, and then a processing unit executes the command according to the light-triggered signal. | 03-08-2012 |
Cheng-Han Wu, Hsinchu City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090272202 | PERSONAL NANOPARTICLE SAMPLER - A personal nanoparticle sampler is disclosed to include a pre-classifier, a nozzle, a particle-sizing filter pack and a final filter pack. The particle-sizing filter pack and the final filter pack respectively accommodate a particle-sizing filter and a final filter to collect nanoparticles smaller than a diameter. The pre-classifier removes large particles to avoid clogging of the particle-sizing filter pack. The nozzle raises the airflow velocity to reduce the cut-off diameter of the particle-sizing filter without increasing the total flowrate, allowing the personal nanoparticle sampler to be used with a personal sampling pump. | 11-05-2009 |