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Huang, Taoyuan City
Che-Feng Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20110186898 | Semiconductor package structure - A semiconductor package structure includes a bowl-like carrier, a semiconductor component, and electrode pins. The semiconductor component is disposed on the bowl-like carrier and is received in an accommodating recess of the bowl-like carrier. The electrode pins are electrically connected with the semiconductor component through wires. Channels are recessed along recess-walls of the accommodating recess and located between the semiconductor component and the electrode pins, where the wires pass through the channels. Therefore, the length of bonding wires can be reduced, and as well the cost of the wires, let alone the wires can be protected appropriately. | 08-04-2011 |
Cheng-Nan Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20110172789 | Apparatus for Monitoring a Schedule for Testing a Fuel Cell - Disclosed is an apparatus for monitoring a schedule for testing a fuel cell in a station. Because of the apparatus, the station can test a low-temperature fuel cell or a high-temperature fuel cell. The apparatus enables a user to test the fuel cell through the station manually or enables the station to test the fuel cell automatically. | 07-14-2011 |
Chen-Hong Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090223796 | ROTARY SWITCH - A rotary switch includes a holder base holding two metal contact plates and one metal connection plate, a rotary handle vertically pivotally coupled to a pivot shaft of the holder base and rotatable relative to the holder base between a first position where a bottom recess of a circular actuating member of the rotary handle receives a respective electric connection portion of each metal contact plate and the electric connection portion of the metal connection plate contacts the electric connection portions of the metal contact plates and a second position where a protrusion of the circular actuating member forces the electric connection portion of one metal contact plate away from the metal connection plate to produce an electrical signal, and a torsion spring sleeved on the rotary handle with its two ends respective connected to the actuating member and the holder base for returning the rotary handle automatically after each rotary motion. | 09-10-2009 |
| 20090277761 | Waterproof rotary switch - A waterproof rotary switch includes a holder base that has hooks extending from the periphery, a switching component set that is mounted on the holder base and has a fixed metal terminal with a fixed contact, a movable metal terminal with a movable contact, and two conductors respectively connected to the fixed metal terminal and the movable metal terminal, an actuator that is mounted in the holder base and has an actuating portion rotatable with the actuator to move the movable contact of the movable metal terminal into contact the fixed contact of the fixed metal terminal to close the circuit or away from the fixed contact of the fixed metal terminal to open the circuit, and a top cover that covers the holder base to hold the switching component set and the actuator on the holder base and has a plurality of hook holes that receive the hooks of the holder base respectively and a plurality of wire slots for the passing of the conductors and a top wall sloping downwardly outwards to the periphery of the top cover for guiding water away quickly. | 11-12-2009 |
Chen-Hui Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20110088965 | Structure for the compositely formed sound box - An improved structure for the compositely formed sound box consists of a plastic-made box with one-way opening and intensified rib and inlet components provided inside the box. The main feature is the bubbled one-piece soundproof layer inside the sound box to expand the overall structure of the sound box, reduce the thickness of the sound box, minimize the thickness of the shell, and upgrade the soundproof performance at the same time. | 04-21-2011 |
Chi En Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090046888 | Speaker - A speaker, which includes a bracket holding a magnetic loop assembly on the bottom side and a voice coil at the top of the magnetic loop assembly, a diaphragm covering the voice coil and having a stepped peripheral flange, and a suspension bonded between the stepped peripheral flange of the diaphragm and the bracket in a concentric manner relative to the diaphragm for linear reciprocating motion with the diaphragm to improve the output sound. | 02-19-2009 |
Chien-Chiang Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090255092 | Handle with a hidden belt - This present invention is a handle with a hidden belt, applying to a handle attached on a portable device, which uses torsion springs to draw the belt into the handle. Thus, a user can not only carry the portable device with the handle, but also shoulder or hang the portable device with the hidden belt of the handle. | 10-15-2009 |
| 20110269004 | Battery lock structure for electronic device - A battery lock structure of an electronic device includes a main body and a fastener. The main body includes a concave area for accommodating a battery, wherein the concave area includes a latch hole and a stopping member. The fastener is arranged on the battery and includes a main latch, an auxiliary latch and a resilient member. The main latch is slidably connected with the battery. The auxiliary latch is connected with the main latch, and slid simultaneously with the main latch relative to the battery. The resilient member is connected with the fastener at an end and connected with the battery at an opposite end, whereby providing a resilient force for the fastener to be secured within the concave area. When the battery is fully accommodated within the concave area, the main latch engages within the latch hole. When the main latch is off the latch hole, the stopping member stops the auxiliary latch, and the stopping member has a width sufficient to enable the main latch not to engage within the latch hole when the auxiliary latch is off the stopping member. | 11-03-2011 |
Chien Hsin Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20080254838 | ELECTRONIC DEVICES WITH SENSIBLE ORIENTATION STRUCTURES, AND ASSOCIATED METHODS - Electronic devices with sensible orientation structures are disclosed. The electronic devices can include a faceplate having a faceplate surface and a display at or near the faceplate surface for providing content to a user. The electronic devices can also include an input device proximate to the display for accepting input from the user. The electronic devices can further include a sensible orientation structure carried by the faceplate and at a fixed relative position relative to the input device. The sensible orientation structure is configured to provide the user with positional feedback relative to the input device via touching. | 10-16-2008 |
Chih-Ting Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090092670 | LONG ACTING DUAL RELEASE PRODUCT CONTAINING CARBINOXAMINE AND PSEUDOEPHEDRINE - Provided are oral dosage forms that contain carbinoxamine in an immediate release format, and pseudoephedrine in a prolonged release format. The biphasic oral dosage forms may also contain other active ingredients in combination with carbinoxamine, including other decongestants, antitussives, analgesics and expectorants. | 04-09-2009 |
Ching Wen Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20100164281 | ACTIVE OUTPUT COMPENSATION CIRCUIT - An active output compensation circuit is adopted for use on a power supply which receives input power and regulates to become a plurality of different output power. The power supply has a transformer to transform the input power. The transformer has a secondary side connecting to a plurality of output regulation units to deliver the output power. The active output compensation circuit includes a voltage difference judgment unit electrically connected to the output regulation units and a plurality of compensation channel switches. The compensation channel switches bridge two output regulation units and the voltage difference judgment unit. The voltage difference judgment unit judges the voltage difference of two output power and determines whether to output an ON signal. The compensation channel switches are driven by the ON signal and set ON so that one output power can compensate another output power. | 07-01-2010 |
Chung-Lin Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090061581 | METHOD FOR MANUFACTURING TRENCH ISOLATION STRUCTURE AND NON-VOLATILE MEMORY - A method for manufacturing a non-volatile memory is provided. An isolation structure is formed in a trench formed in a substrate. A portion of the isolation structure is removed to form a recess. A first dielectric layer and a first conductive layer are formed sequentially on the substrate. Bar-shaped cap layers are formed on the substrate. The first conductive layer not covered by the bar-shaped cap layers is removed to form first gate structures. A second dielectric layer is formed on the sidewalls of the first gate structures. A third dielectric layer is formed on the substrate between the first gate structures. A second conductive layer is formed on the third dielectric layer. The bar-shaped cap layers and a portion of the first conductive layer are removed to form second gate structures. A doped region is formed in the substrate at two sides of each of the second gate structures. | 03-05-2009 |
| 20100013062 | NONVOLATILE MEMORY CELL - A nonvolatile memory cell is provided. A semiconductor substrate is provided. A conducting layer and a spacer layer are sequentially disposed above the semiconductor substrate. At least a trench having a bottom and plural side surfaces is defined in the conducting layer and the spacer layer. A first oxide layer is formed at the bottom of the trench. A dielectric layer is formed on the first oxide layer, the spacer layer and the plural side surfaces of the trench. A first polysilicon layer is formed in the trench. And a first portion of the dielectric layer on the spacer layer is removed, so that a basic structure for the nonvolatile memory cell is formed. | 01-21-2010 |
Chun-Yen Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20100309470 | ALIGNMENT MARK ARRANGEMENT AND ALIGNMENT MARK STRUCTURE - An alignment mark arrangement includes: a first alignment pattern comprising a plurality of parallel first stripes on a substrate, wherein each of the first stripes includes a first dimension; and a second alignment pattern positioned directly above and overlapping with the first alignment pattern, the second alignment pattern including a plurality of parallel second stripes, wherein each of the second stripes of the second alignment pattern has a second dimension that is larger than the first dimension of each of the first stripes of the first alignment pattern. | 12-09-2010 |
| 20110244395 | APPARATUS AND METHOD FOR HAZE CONTROL IN A SEMICONDUCTOR PROCESS - A method for haze control in a semiconductor process, includes: providing an exposure tool with a photocatalyzer coating inside and exposing a wafer in the exposure tool in the presence of activation of the photocatalyzer coating. The photocatalyzer coating may be formed within an opaque region of a reticle. | 10-06-2011 |
| 20110250540 | SEMICONDUCTOR LITHOGRAPHY PROCESS - A semiconductor lithography process. A photoresist film is coated on a substrate. The photoresist film is subjected to a flood exposure to blanket expose the photoresist film across the substrate to a first radiation with a relatively lower dosage. The photoresist film is then subjected to a main exposure using a photomask to expose the photoresist film in a step and scan manner to a second radiation with a relatively higher dosage. After baking, the photoresist film is developed. | 10-13-2011 |
Fred Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090279729 | Dual-frequency coaxial earphones - A dual-frequency coaxial earphone includes a frame, a shared yoke, a high frequency speaker part, and a low frequency speaker part. The high frequency speaker part and the low frequency speaker part are coaxially arranged at inside and outside of the shared yoke, and are coaxial with a central opening of the frame. Further, a permanent magnet of the higher frequency speaker part is contrary, in polarity, to an annular magnet of the low frequency speaker part. Therefore, acoustic frequency of the low frequency speaker part can be phase-countered by passing thereof through an acoustic annular recess, so that the acoustic frequency of the low frequency speaker part has the same phase as the acoustic frequency of the high frequency speaker part and both then are output synchronally. The high frequency speaker part and the low frequency speaker part can then be separated, in acoustic frequency, from each other. This will effectively solve the problem of intermodulation of distortion for the high and low acoustic frequencies, and reduce the size of the earphone to more compact. | 11-12-2009 |
| 20100046783 | Dual-frequency coaxial earphones with shared magnet - A dual-frequency coaxial earphone has a shared magnet, which is interposed between a top board of a outer yoke and an outer disk of a inner yoke, wherein the outer yoke and the inner yoke each has a different polarity. A low-frequency voice coil of a low-frequency speaker part extends axially into and between an annular wall of the outer yoke and the outer disk of the inner yoke. An inner sleeve of the inner yoke extends into a first central opening of the outer yoke. Therefore, a high frequency of the high-frequency speaker part can pass through the inner sleeve so as to energize a central diaphragm of the low-frequency speaker part and to form a same phase as, and to output frequency synchronously with, the low-frequency speaker part. As such, the problem of intermodulation of distortion for the high and low acoustic frequencies can be solved, and that dimension of the earphone can be minimized. | 02-25-2010 |
Han-Pei Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20100006327 | CIRCUIT BOARD STRUCTURE - A circuit board structure including a circuit board main body and an injection molded three-dimensional circuit device encapsulating at least a portion of the circuit board main body is provided. The three-dimensional circuit device includes a molded plastic body having a non-plate type, stereo structure, on which a three-dimensional pattern is also fabricated. The three-dimensional pattern is interconnected with a contact pad on the circuit board main body through a conductive via. | 01-14-2010 |
Hsiao Chuan Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20080254838 | ELECTRONIC DEVICES WITH SENSIBLE ORIENTATION STRUCTURES, AND ASSOCIATED METHODS - Electronic devices with sensible orientation structures are disclosed. The electronic devices can include a faceplate having a faceplate surface and a display at or near the faceplate surface for providing content to a user. The electronic devices can also include an input device proximate to the display for accepting input from the user. The electronic devices can further include a sensible orientation structure carried by the faceplate and at a fixed relative position relative to the input device. The sensible orientation structure is configured to provide the user with positional feedback relative to the input device via touching. | 10-16-2008 |
Hsien-Cheng Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20080306625 | Dual-phase virtual metrology method - A dual-phase virtual metrology method is disclosed for considering both promptness and accuracy by generating dual-phase virtual metrology (VM) values, wherein a Phase-I conjecture step emphasizes promptness by immediately calculating the Phase-I virtual metrology value (VM | 12-11-2008 |
| 20090292386 | System and Method for Automatic Virtual Metrology - A server, a system and a method for automatic virtual metrology (AVM) are disclosed. The AVM system comprises a model-creation server and a plurality of AVM servers. The model-creation server is used to construct the first set of virtual metrology (VM) models (of a certain equipment type) including a VM conjecture model, a RI (Reliance Index) model, a GSI (Global Similarity Index) model, a DQI | 11-26-2009 |
Jui-Yang Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090168080 | Poster printing control module, method of poster printing control, and multi-functional printer - A method of poster printing control, applicable to a multi-functional printer, comprising at least one printing module and a scanning module, includes using a scanning module to scan an original paper to obtain a digital copy of known size; setting a size of a paper to be printed; dividing the digital copy into a plurality of sub-images; up-scaling the sub-images to the size of the paper to be printed; using the printing module to print out the sub-images on the paper to be printed. Thereby, the poster printing is completed by means of the multi-functional printer. | 07-02-2009 |
Kuo-Fong Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090266710 | HYDROGEN-OXYGEN FUEL SUPPLYING SYSTEM - A hydrogen-oxygen fuel supplying system includes a water hydrolyzing apparatus, a heat dissipation apparatus connected to the water hydrolyzing apparatus, a filter connected to the water hydrolyzing apparatus, a supercharger connected to the filter, a hydrogen-oxygen container connected to the filter, and a pressure adjusting means connected to the hydrogen-oxygen container. The water hydrolyzing apparatus is used to hydrolyze water thereby producing a mixture gas of hydrogen, oxygen, and water vapor. The heat dissipation apparatus is used to dissipate heat generated in the water hydrolyzing apparatus. The filter is used to filter water vapor in the mixture gas. The supercharger is used to compress the hydrogen and oxygen. The hydrogen-oxygen container is used to store the hydrogen and oxygen. The pressure adjusting means is used to regulate an output of the hydrogen and oxygen. The hydrogen-oxygen fuel supplying system can reduce pollution of air and environment. | 10-29-2009 |
Kuohsiu David Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090026772 | Integrative Combined Vehicle Power Allotment Mechanism - An integrative combined vehicle power allotment mechanism includes an electric energy unit, an electric power control unit, an electric power unit, a heat power unit, an one-way clutch unit, a power allotment unit, and a speed change unit. The electric energy unit formed of a storage battery, the heat power unit formed of an internal combustion engine, and the one way clutch unit are disposed in different positions in the power allotment unit. Through dexterously designed energy management, the vehicle is driven with individual electric or mechanical power, or the combination thereof in a best condition so as to achieve the aim of energy saving. | 01-29-2009 |
| 20090029828 | Vehicle's Active Electrically Controlled Non-Step Speed Change Mechanism - A vehicle's active electrically controlled non-step speed change mechanism includes an internal combustion engine, a dynamo (motor-generator), a power allotment unit and an active electrically controlled non-step speed changer to control vehicle able to run in the best condition notwithstanding its speed, roadway condition or load thereby achieving the aim of fuel saving and minimizing the environmental contamination due to excess discharge of exhaust gas. | 01-29-2009 |
Kuo Hua Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20080268681 | CARD CONNECTOR - An electrical connector has an insulative housing, a plurality of conductive terminals received in the insulative housing, and an ejecting device. The insulative housing defines a slot for receiving an electrical card, and a groove at a side thereof. The ejecting device is assembled to and slidable along the groove. The ejecting device includes a push block, a guiding lever and a spring element. The push block forms a resilient arm which is lockable with a card hole of the electrical card. A rib is formed in the groove. When the electrical card moves along the groove of the insulative housing and is located on a final position, the resilient arm abuts against a top of the rib for preventing the resilient arm from moving downward. In such a way the electrical card is prevented from breaking off during movement and at a final position, ensuring reliable and stable data transmission. | 10-30-2008 |
Kwang-Chao Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090321761 | COATING FOR CONVERTING OPTICAL SPECTRUM AND LED CHIP PACKAGE MODULE USING THE SAME - A coating for converting optical spectrum includes: a transparent colloid layer and an emitter material unit. The emitter material unit is used to convert one part of a short-wavelength band of a light source into a long-wavelength band. The emitter material unit has at least one first emitter body and at least one second emitter body both mixed with the transparent colloid layer, the at least one first emitter body is an inorganic silicate compound, and the at least one second emitter body is aan organic dye. Hence, the color rendering index (CRI) and the range of color temperature of white light generated by an LED chip package module using the coating are increased according to the function of the emitter material unit for converting one part of a short-wavelength band of a light source into a long-wavelength band. | 12-31-2009 |
| 20100127619 | LED Chip Package Module Using Coating for Converting Optical Spectrum - A coating for converting optical spectrum includes: a transparent colloid layer and an emitter material unit. The emitter material unit is used to convert one part of a short-wavelength band of a light source into a long-wavelength band. The emitter material unit has at least one first emitter body and at least one second emitter body both mixed with the transparent colloid layer, the at least one first emitter body is an inorganic silicate compound, and the at least one second emitter body is an organic dye. Hence, the color rendering index (CRI) and the range of color temperature of white light generated by an LED chip package module using the coating are increased according to the function of the emitter material unit for converting one part of a short-wavelength band of a light source into a long-wavelength band. | 05-27-2010 |
Sheng-Tzung Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20120057216 | MULTICOMPONENT SACRIFICIAL STRUCTURE - A MEMS comprising a sacrificial structure, which comprises a faster etching portion and a slower etching portion, exhibits reduced damage to structural features when in forming a cavity in the MEMS by etching away the sacrificial structure. The differential etching rates mechanically decouple structural layers, thereby reducing stresses in the device during the etching process. Methods and systems are also provided. | 03-08-2012 |
Shou-Min Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20110101553 | METHOD AND DEVICE FOR CONTINUOUSLY PREPARING MICROSPHERES, AND COLLECTION UNIT THEREOF - A method and a device for continuously preparing microspheres, and a collection unit thereof are provided. The collection unit for collecting microspheres in the solution comprises a tank and a first plate. The first plate is removably disposed in the tank. The first plate, when lay across the tank, has its two ends came in contact with the sidewall of the tank so as to divide the tank into a first chamber and a second chamber. The tank has an outlet located in the second chamber. After the solution with microspheres are input to the first chamber of the tank, the microspheres are deposited around the first plate, and the solution is caused to pass through or over the first plate to the second chamber and output from the outlet. | 05-05-2011 |
Ting Hui Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090080150 | Heat dissipation device for portable computer - This invention relates to a heat dissipation device for portable computer. The heat dissipation device comprises: a housing including at least one fan casing and at least one duct, said fan casing having an air suction opening which communicates with said duct, at least one air outlet communicating with said fan casing being provided at the front end of said housing, at least one air inlet communicating with said fan casing being provided at the rear end of said housing; and at least one side-blow fan provided within the fan casing, the air suction face of the side-blow fan being opposite to the air suction opening, the air introducing from the air inlet into the duct passes being sucked by the side-blow fan into the fan casing after passing through the air suction opening and blowing out through the air outlet. In this manner, excellent heat dissipation effect collocating with the use of a portable computer can be obtained. In addition, noise generation is effectively prevented. Therefore, the effectiveness in practical application and the product quality can be further enhanced positively. | 03-26-2009 |
Tseng-Chun Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20100213335 | SWIVELABLE FIXING SEAT - The present invention discloses a swivelable fixing seat, which comprises the casing sleeves the seat body. The seat body has at least one elastic element and a guide slot. Compressing the elastic element makes the accommodation base and the two movable clamp members retract into or protrude from the casing, whereby the unused fixing seat occupies less space. The casing has a shaft thereinside. A screw fastens the shaft to the seat body, and another screw penetrates the guide slot and fastens to a screw stud of the seat body. Rotating the shaft drives the screw to slide in the guide slot to guide the rotation of the electronic device. Then, the electronic device is positioned at a specified angle. | 08-26-2010 |
Tsu-Shun Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090020320 | GOLD FINGER OF CIRCUIT BOARD AND FABRICATING METHOD THEREOF - A method for fabricating a gold finger of a circuit board is provided. First, a circuit board having a board edge for cutting is provided. Next, a copper conducting wire pattern is formed on the circuit board. The copper conducting wire pattern includes a plurality of gold finger bodies and a plurality of tie bars. Each tie bar is connected to a corresponding gold finger body, and the tie bars are disposed across the board edge. Thereafter, a surface of each gold finger body is plated with gold, and the tie bars on the board edge are removed by etching. Because the tie bars on the board edge are removed, tear resistance of the gold finger is maintained after cutting the board edge. | 01-22-2009 |
Wei-Hsuan Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20080232018 | Control Circuit with Short-circuit Protection for Current Sense Terminal of Power Converters - A control circuit includes a detection circuit to detect the short-circuited of a current sense terminal of the power converter. It includes a comparator, a verification circuit and a timer circuit. The comparator receives an input signal for generating a sense signal. The input signal represents the switching current of a power switch. The sense signal is enabled when the input signal is lower than a threshold. The verification circuit generates a protection signal in response to the sense signal or/and -a delay signal. The protection signal is generated when the current sense terminal is short-circuited, in which the power switch and the sense signal are enabled after the time delay of the delay signal. The protection signal turns off the power switch for the protection. | 09-25-2008 |
| 20100026381 | POWER SAVING CIRCUIT FOR PWM CIRCUIT - The present invention provides a power saving circuit for PWM circuit. The power saving circuit is utilized to control at least one internal circuit. The power saving circuit comprises a switching circuit which generates a switching signal. The power saving circuit controls the internal circuit in response to the switching. The power saving circuit disables the internal circuit for power saving when the switching signal is disabled. | 02-04-2010 |
| 20100309694 | Start-up Circuit to Discharge EMI Filter for Power Saving of Power Supplies - A start-up circuit to discharge EMI filter is developed for power saving. It includes a detection circuit detecting a power source for generating a sample signal. A sample circuit is coupled to the detection circuit for generating a reset signal in response to the sample signal. The reset signal is utilized for discharging a stored voltage of the EMI filter. | 12-09-2010 |
| 20110133829 | FEEDBACK CIRCUIT WITH FEEDBACK IMPEDANCE MODULATION FOR IMPROVING POWER SAVING - A feedback circuit with feedback impedance modulation according to the present invention comprises a compare circuit, a counter and a switching resistor circuit. The compare circuit receives a feedback signal of a power converter to compare the feedback signal with a threshold signal for generating a control signal. The feedback signal is correlated to a load condition of the power converter. The counter is coupled to the compare circuit and generates a modulation signal in response to the control signal. The switching resistor circuit is coupled to the counter and a feedback loop of the power converter for modulating a feedback impedance of the power converter in response to the modulation signal. The feedback impedance is directly modulated from a lower resistance to a higher resistance when the load condition is reduced from a half/full-load to a no/light-load. The feedback impedance is gradually modulated from a higher resistance to a lower resistance when the load condition is increased from the no/light-load to the half/full-load. | 06-09-2011 |
Yu Hua Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20100303662 | Screw compressors - A screw compressor includes a housing, a motor stator, a motor rotor, a helical screw rotor, a motor rotor stop, a screw fastener, and a third bearing. The helical screw rotor includes an extension section, a motor coupling section, a first supporting section, a helical screw section, and a second supporting section. The motor rotor stop includes two flange portions, wherein one flange portion is sleeved with the extension section and abuts axially upon the effective sensing section of the motor rotor. The third bearing is interposed between the other flange portion and the housing cap. The screw fastener extends through the motor rotor stop and is threadedly engaged into a thread hole of the helical screw rotor and then biases axially upon the motor rotor stop. Therefore, the motor rotor is secured more firmly, and that a compressor shaft maintains a stable running. | 12-02-2010 |
Yu-Hui Huang, Taoyuan City TW
| Patent application number | Description | Published |
|---|---|---|
| 20080265292 | Novel HVNMOS structure for reducing on-resistance and preventing BJT triggering - A high-voltage metal-oxide-semiconductor (HVMOS) device and methods for forming the same are provided. The HVMOS device includes a substrate; a first high-voltage n-well (HVNW) region buried in the substrate; a p-type buried layer (PBL) horizontally adjoining the first HVNW region; a second HVNW region on the first HVNW region; a high-voltage p-well (HVPW) region over the PBL; an insulating region at a top surface of the second HVNW region; a gate dielectric extending from over the HVPW region to over the second HVNW region, wherein the gate dielectric has a portion over the insulating region; and a gate electrode on the gate dielectric. | 10-30-2008 |