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| 20090110602 | Fluid reactor having a thin film with two-dimensionally distributed micro-resistor units - A fluid reactor having a thin film with two-dimensionally distributed micro-resistor units includes one flow way, separating ribs, a thin film which is thinner than 100 micrometer, and a catalytic layer. There are multiple micro-resistor units, which is thinner than 60 micrometer each, set on the thin film. A bi-directional control unit is disposed to control these multiple micro-resistor units to shift to a desired mode selected from detecting electrical resistance, voltage, current, temperature, flow speed, and/or heat-up functions at different time. It can be applied to different kinds of fuel cells with different flow-way patterns. Its micro-resistor units have bi-directional functions. It can detect flow speed at a desired location in the flow way. It would not influence its original flow field and structure. Plus, it is easy to be installed. | 04-30-2009 |
| 20090311143 | Micro reactor having micro flow-guiding blocks - A micro reactor having micro flow-guiding blocks includes a first gas flow channel, a second gas flow channel and a catalytic converter. There are several flow-guiding portions disposed on the first gas flow channel. Each flow-guiding portion has micro flow-guiding blocks, flow-impact recesses, and catalytic portions. The function of the micro flow-guiding block is to guide a flowing direction of the flow toward the catalytic portion on the flow-impact recess in order to increase a possibility of contacting and chemical reaction with the catalytic portion. So, guiding the flow direction toward the catalytic portion can increase the overall reaction efficiency. More turbulence is generated to obtain a better mixing. Plus, its structure is simple. | 12-17-2009 |
| 20100061099 | LED device having a humidity sensor - A light emitting diode (LED) device having a humidity sensor includes an LED portion, a humidity sensor and an external device. This LED portion has a base, a boning layer, an LED chip, and a sealing portion. The LED ship is adhered on the base by the bonding layer. The sealing portion encloses the LED chip. This humidity sensor has a transmission element. This humidity sensor is to detect humidity condition in the LED portion. The external device is to monitor humidity condition and variation in the LED portion. It can monitor the internal condition in the LED portion and is possible to detect both the temperature and humidity simultaneously. | 03-11-2010 |
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| 20090091910 | Keypad with increased refractive index - A keypad with increased refractive index includes a light-guiding elastic element, an optical refractive layer and at least one light-emitting element. The optical refractive layer is applied on an upper surface of the light-guiding elastic element. The light-emitting element is provided on one side of the light-guiding elastic element. The refractive index of air is defined as a real number x. The refractive index of the light-guiding elastic element is defined as a real number y. The refractive index of the optical refractive layer is defined as a real number z. The refractive index z is larger than the refractive index x. Since the optical refractive layer is applied on the light-guiding elastic element and the refractive index of the optical refractive layer is different from that of the light-guiding elastic element, the angle of total reflection of the light in the light-guiding elastic element can be changed. | 04-09-2009 |
| 20090091912 | Light-guiding key structure with lateral light-guiding function - A light-guiding key structure with lateral light-guiding function includes: at least one key module, a light-guiding element, and at least one light-emitting element. The at least one key module can be a key body or a key display. The light-guiding element is disposed over the at least one key module. The at least one light-emitting element is disposed beside one side of the light-guiding element. Therefore, when the at least one light-emitting element projects a light source to the light-guiding element, the light source is guided via the light-guiding element onto the at least one key module to illuminate the image on the at least one key module for user to watch the image. | 04-09-2009 |
| 20090235977 | Key module with energy storage function - A key module with energy storage function includes a transparent key unit, a sun cell, and an elastic unit. The transparent key unit has a plurality of transparent microstructures. The sun cell is disposed under a bottom side of the transparent key unit, and the sun cell has a light-receiving face facing the transparent key unit. The elastic unit is disposed under a bottom side of the sun cell. Therefore, the transparent microstructures of the transparent key unit guide and transmit external light sources onto the light-receiving face of the sun cell in order to increase light source on the light-receiving face. | 09-24-2009 |
| 20090284397 | Keypad structure with multi-mode display function - A keypad structure with multi-mode display function includes: a keypad layer having a plurality of key pressing positions; and a plurality of indicating unit in installed a multilayer form and under the keypad layer, and each having a light emitting element; and a light guide element corresponding to the light emitting element. A surface of the light guide element has a symbol layer, and the symbol layer includes a plurality of symbols at the key pressing positions, such that the keypad structure can display indicating symbols of different functions at a single key pressing position. | 11-19-2009 |
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| 20090264787 | Communication and Device Control System Based on Multi-Frequency, Multi-Phase Encoded visual Evoked Brain Waves - In a driving control system actuated by visual evoked brain waves which are induced by a multi-frequency and multi-phase encoder, and a corresponding method configured for analyzing brain wave signals in order to control at least one peripheral equipment, the driving control system includes an optical flash generating device, a brain wave signal measurement device, a signal processing and analyzing device and a control device. The optical flash generating device is configured for generating at least one flash light source by a multi-frequency and multi-phase encoder. The brain wave signal measurement device is configured for measuring a brain wave signal inducing by a user gazing the flash light source. The signal processing and analyzing device is configured for calculating the frequency and the phase of the brain wave by a mathematical method, and analyzing whether the frequency and the phase of the brain wave same to the those of the optical flash generating device. The control device is configured for sending out the frequency and the phase analyzed by the signal processing and analyzing device and same to those of the optical flash generating device so as to control at least one peripheral equipment. | 10-22-2009 |
| 20090264788 | Nursing System of Visual Evoked Brain Wave Control Device - A nursing system of a visual evoked brain wave control device, measuring a brain wave signal induced by the user when gazing at one optical display region, for controlling external devices is designed. The optical flash generating device receives an outer signal to flash the optical display region therein. A brain wave signal measurement device is used to measure a brain wave signal induced by users when gazing at the optical display region. A programmable chip is used to analyze the relation between the brain wave signal and the optical flash generating device, and control a selected option of the optical display region gazed by the users (for example, raising/falling of first, second or third portion of the hospital bed, volume adjustment of radio, channel adjustment, etc.), for improving the independence capability and the life quality of the users. | 10-22-2009 |
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| 20090264787 | Communication and Device Control System Based on Multi-Frequency, Multi-Phase Encoded visual Evoked Brain Waves - In a driving control system actuated by visual evoked brain waves which are induced by a multi-frequency and multi-phase encoder, and a corresponding method configured for analyzing brain wave signals in order to control at least one peripheral equipment, the driving control system includes an optical flash generating device, a brain wave signal measurement device, a signal processing and analyzing device and a control device. The optical flash generating device is configured for generating at least one flash light source by a multi-frequency and multi-phase encoder. The brain wave signal measurement device is configured for measuring a brain wave signal inducing by a user gazing the flash light source. The signal processing and analyzing device is configured for calculating the frequency and the phase of the brain wave by a mathematical method, and analyzing whether the frequency and the phase of the brain wave same to the those of the optical flash generating device. The control device is configured for sending out the frequency and the phase analyzed by the signal processing and analyzing device and same to those of the optical flash generating device so as to control at least one peripheral equipment. | 10-22-2009 |
| 20090264788 | Nursing System of Visual Evoked Brain Wave Control Device - A nursing system of a visual evoked brain wave control device, measuring a brain wave signal induced by the user when gazing at one optical display region, for controlling external devices is designed. The optical flash generating device receives an outer signal to flash the optical display region therein. A brain wave signal measurement device is used to measure a brain wave signal induced by users when gazing at the optical display region. A programmable chip is used to analyze the relation between the brain wave signal and the optical flash generating device, and control a selected option of the optical display region gazed by the users (for example, raising/falling of first, second or third portion of the hospital bed, volume adjustment of radio, channel adjustment, etc.), for improving the independence capability and the life quality of the users. | 10-22-2009 |
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| 20080305354 | Filler Composition for Welding onto a Substrate - A filler composition for welding onto a substrate is composed of 82.5˜96.5 wt %, aluminum, 3.0˜10.0 wt % copper, 0.2˜1.5 wt % magnesium, 0.1˜1.5 wt % silver, 0.1˜2.0 wt % scandium, 0˜1.5 wt % zirconium, and 0˜1.0 wt % titanium, and can be welded with a high success rate to a substrate (such as an aluminum-copper alloy substrate) and avoiding a hot cracking phenomenon and a low welding strength, so as to achieve the effects of enhancing the yield rate and lowering the cost of a product. | 12-11-2008 |
| 20090091130 | Method and apparatus of preventing gas leak in pipeline - This invention discloses a method and an apparatus of preventing a gas leak in a pipeline, and the characteristic of expansion occurred when a hydrogen storage material absorbs hydrogen gas is used for setting the hydrogen storage material in a joint between a first pipeline and a second pipeline, such that if hydrogen leaks at the joint, the hydrogen storage material will absorb hydrogen to expand, and the expansion pressure presses the joint to give a tighter connection, so as to achieve the effects of preventing and locking a leak, and compensating a deficiency of tightness due to an accumulated error occurred during the manufacture of the first pipeline and the second pipeline. | 04-09-2009 |
| 20090116992 | Method for making Mg-based intermetallic compound - A method for making Mg(magnesium)-based intermetallic compound uses a thermal process during a melting process to produce largely the Mg-based intermetallic compound. The vapor pressure of Mg is high, thereby Mg is prone to be vaporized from a melt and a wrought solid alloy in the melting process of high temperature, for purifying the wrought Mg-based intermetallic compound. The method may simplify the process and devices for making the Mg-based intermetallic compound, and produce efficiently a larger of high purity Mg-based intermetallic compound. | 05-07-2009 |
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| 20090015157 | PHOSPHOR PACKAGE OF LIGHT EMITTING DIODES - A phosphor package of light emitting diodes includes a lens made of a transparent optical material, and a side of the lens with at least one phosphor containing groove corresponding to a light emitting diode chip. The concentration of the phosphor is adjusted before a required quantity of phosphor is adhered into the phosphor containing groove. The phosphor is baked and solidified. A gel is filled into the gap between the wire-bonded light emitting chip and the phosphor for binding with each other to complete the manufacturing process of a phosphor package; and such manufacturing process can effectively and accurately control the phosphor to achieve high quality stability and color uniformity. | 01-15-2009 |
| 20090025427 | Manufacturing Method for Micro Components - A manufacturing method for micro components includes the steps of manufacturing a large component by molding and shaping a thermally contractible material; heating and cooling the large component, such that the size of the large component can be reduced by the contraction of the material to form a reduced component; duplicating the reduced component to obtain a mold; and manufacturing a further reduced component by the molding and shaping process of the mold. The manufacturing method simply requires the processes of duplicating the component, contracting the material with an equal contraction ratio, and preparing the mold, and thus the manufacturing method is simple, easy and fast. The method can overcome the shortcomings of the prior art, of which the precision and the freedom for the external design of the micro components cannot be controlled easily. | 01-29-2009 |
| 20090275257 | Process for Encapsulating LED Chip by Fluorescent Material - An LED chip encapsulation process includes the steps of (a) forming a fluorescent member by injection molding to encapsulate an LED chip; (b) hardening the fluorescent member; (c) forming a transparent dome to embed and encapsulate the LED chip and the fluorescent member; and (d) securing the dome and the substrate together to finish a packaging of the LED chip. Shape of the fluorescent member disposed on the LED chip can be controlled precisely, thereby increasing quality and color uniformity of the produced LED chip. Alternatively, the LED chip is a remote LED chip and step (a) is replaced by forming a plastic member to encapsulate the LED chip and forming a fluorescent member on the top of the plastic member by injection molding. | 11-05-2009 |
| 20100055813 | Method of Packaging Light Emitting Diode on Through-Hole Substrate - In a method of packaging a light emitting diode on a through-hole substrate, through holes are created and a wire bonded light emitting diode (LED) chip is set on the substrate, and a lens is set on the through holes and the wire bonded LED chip. The through holes are provided for filling a phosphor into the lens and extracting air in the lens, so that the phosphor can be coated uniformly on the wire bonded LED chip. After the phosphor is solidified, the packaging of the LED is completed. The method can produce a desired shape of the phosphor while the cost is being taken into consideration, and thus the invention can help manufacturers to produce an accurate shape of the phosphor to provide an LED light source of a better quality without involving a complicated procedure. | 03-04-2010 |
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| 20100181918 | LIGHT SOURCE DRIVING DEVICE - A light source driving device for driving a light source includes a power stage circuit, a transformer circuit, a control circuit, and a fault detecting circuit. The power stage circuit converts an external electrical signal to an alternating current (AC) signal. The transformer circuit is connected between the power stage circuit and the light source to convert the AC signal to a high voltage electrical signal adapted for driving the light source. The fault detecting circuit detects whether the light source is nonfunctional, and outputs a fault signal upon the condition that the light source is nonfunctional. The fault detecting circuit includes a voltage level comparison circuit and a variable-benchmark voltage circuit. The control circuit is connected between the fault detecting circuit and the power stage circuit to output a control signal to the power stage circuit based on the fault signal. | 07-22-2010 |
| 20100181920 | BACKLIGHT DRIVING SYSTEM - A backlight driving system comprises an inverter module, a current balance module, a feedback module and an open-lamp protection detection module. The inverter module provides electrical signals to a plurality of lamps. The current balance module balances currents flowing through the plurality of lamps. The feedback module detects the current of the backlight and generates a feedback signal to the invert module accordingly. The open-lamp protection detection module detects voltage variations of the feedback transformer and generates a detection signal to the inverter module accordingly. The inverter module regulates the currents flowing through the plurality of lamps according to the feedback signal and determines one or more of the plurality of lamps are faulty according to the detection signal generated by the open-lamp protection detection module, and stops providing the electrical signals to the plurality of lamps. | 07-22-2010 |
| 20100181931 | MULTI-LAMP DRIVING CIRCUIT - A multi-lamp driving circuit for driving a plurality of lamps includes at least one power stage circuit, at least one transformer circuit, a balancing circuit, and a control circuit. The power stage circuit converts external electrical signals to alternating current (AC) signals. The transformer circuit is connected to the power stage circuit, to convert the AC signals to high voltage electrical signals capable of driving the lamps. The balancing circuit balances current flowing through the lamps, and includes a capacitor balancing circuit and a transformer balancing circuit. The control circuit is connected between the balancing circuit and the power stage circuit, to control output of the power stage circuit according to variation of the current flowing through the lamps. | 07-22-2010 |
| 20110101865 | MULTI-LAMP DRIVING SYSTEM - A multi-lamp driving system includes a power supply and at least one balance transformer. Each balance transformer includes two cores, two primary windings, two secondary windings and two protection windings. Each primary winding is wrapped around a core and serially connected to a lamp to form a first circuit branch in parallel connection with each other. The first circuit branches are powered by the power supply. The Each secondary winding is wrapped around a core and connected to a primary winding. The two secondary windings are connected in series to form a short circuit loop. Each of the protection windings is wrapped around a core and connected to a primary winding. The protection windings are wrapped in opposite directions and connected in series to form a second circuit branch. The second circuit branch outputs voltage signals to the power supply when induced voltages crossing the protection windings are unequal. | 05-05-2011 |
| 20110260644 | LIGHT EMITTING DIODE BACKLIGHT DRIVING SYSTEM - A light emitting diode (LED) backlight driving system drives at least one LED array, and includes a boost power stage circuit, a controller, a multi-channel constant current driving circuit, a voltage dividing circuit, and an offset voltage generating circuit. The boost power stage circuit boosts direct current (DC) power signals to output driving voltage to drive the LED array. The multi-channel constant current driving circuit controls current flowing through the LED array, and outputs regulating voltage to the controller to regulate the driving voltage. The voltage dividing circuit divides the driving voltage to generate feedback voltage to send to the controller. The offset voltage generating circuit generates offset voltage to modify the feedback voltage according to at least one mode selection signal. The controller controls the driving voltage according to the modified feedback voltage and the regulating voltage. | 10-27-2011 |
