Jui-Chi
Jui-Chi Chang, Hsinchu TW
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20120313548 | AC-DC DUAL-USE LED DRIVING CIRCUIT - An Alternating-current-Direct-current (AC-DC dual-use) Light Emitting Diode (LED) driving circuit includes an input power circuit, a buck-boost converter, and a Pulse Width Modulation (PWM) signal controller. The buck-boost converter, including a switching transistor and a feedback resistor, receives a current signal output from the input power circuit, and drives an LED with a driving signal. The PWM signal controller outputs a PWM signal according to the driving signal, so as to sequentially turn on and turn off the switching transistor. One end of the feedback resistor is coupled to the LED, and a floating ground terminal of the PWM signal controller is coupled to the switching transistor and the other end of the feedback resistor. Therefore, the AC-DC dual-use LED driving circuit is capable of dynamically adjusting the duty ratio of the PWM signal without connecting an external photocoupler. | 12-13-2012 |
Jui-Chi Chen, Hsinchu TW
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20100211913 | Key control system and method - A key control system disposed in a display apparatus includes a hierarchical menu, a power key, and a key module. The hierarchical menu includes a first layer menu and a second layer menu. The first layer menu has an item corresponding to the second layer menu. The power key is adapted to turn on the power supply of the display apparatus. The key control system is used to execute a key control method includes steps of defining the function of the power key as opening the first layer menu of the hierarchical menu after the power supply is turned on; defining the function of the key module as selecting the item of the first layer menu when the first layer menu is opened; and defining the function of the power key as opening the second layer menu after the item of the first layer menu is selected. | 08-19-2010 |
Jui-Chi Chen, Hsin-Chu TW
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20100141899 | Projection apparatus - A projection apparatus includes a housing, a connector, a control module, and an optical module. The housing provides a battery chamber. An interface aperture is inside the battery chamber. The connector is disposed in the housing and provides a signal transmitting interface located in the interface aperture inside the battery chamber. The control module includes an error-detecting circuit and a microprocessor. The error-detecting circuit is electrically connected to the signal transmitting interface and the microprocessor, and the microprocessor is electrically connected to the signal transmitting interface through the error-detecting circuit. The optical module is disposed in the housing and electrically connected to the control module. | 06-10-2010 |
20110241603 | PORTABLE POWER SUPPLY DEVICE - A portable power supply device including a power storage module, a charging module, and a power supply module is provided. The power storage module is electrically connected to the charging module and is used for storing electric power. The charging module wirelessly receives energy from a first power source and charges the power storage module by using the received energy. The power supply module is electrically connected to the power storage module, and is used for wirelessly supplying electric power stored in the power storage module to a first external device. Since the portable power supply device may wirelessly receive and wirelessly output power and a power connector is eliminated, a utilization range of the portable power supply device is not limited by a length of a power line and a situation of the portable power supply device being unusable due to mismatch of the power connector may be avoided. | 10-06-2011 |
Jui-Chi Chen, Yung-Kang City TW
Jui-Chi Huang, Penghu County TW
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20130157591 | RF Transceiver - A signal generation and transmission system includes a modulator and an RF transceiver. The RF transceiver includes a voltage-controlled oscillator, a power divider, a low-pass filter, a low-noise amplifier and a mixer. The voltage-controlled oscillator receives a signal from the modulator and produces a frequency modulated continuous wave signal. The power divider receives the frequency modulated continuous wave signal from the voltage-controlled oscillator. The low-pass filter receives the frequency modulated continuous wave signal from the power divider. The low-noise amplifier receives, amplifies and transfers a target echo signal. The mixer combines the frequency modulated continuous wave signal from the power divider with the echo signal of target from the low-noise amplifier so that the two signals are added up or subtracted from each other in a frequency band. | 06-20-2013 |
Jui-Chi Li, Tainan TW
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20100033672 | Eyeglass assembly - An eyeglass assembly is revealed. A locking slot formed on an edge of an eyeglass frame part of an eyeglass main body and an eyeglass accessory is disposed on an inner surface of the eyeglass main body. A locking block corresponding to the locking slot of the eyeglass main body is arranged at an edge of a frame of the eyeglass accessory. Thereby, the locking block of the eyeglass accessory is locked into the locking slot of the eyeglass main body so that the eyeglass accessory is fixed firmly on an inner surface of the eyeglass main body. Thus while wearing the sunglasses, optical lenses assembled on the eyeglass accessory provide users with poor visions certain effects on vision correction. | 02-11-2010 |
20130033674 | Eyeglasses Structure - Provided is an eyeglasses structure essentially including a frame body and two temples connected to two ends of the frame body, respectively. Two engagement portions are disposed at the two ends of the frame body, respectively. The two engagement portions are engaged with two decoration elements corresponding in position thereto, respectively. The decoration elements come in different color patterns to allow the eyeglasses structure to change color. Furthermore, the decoration elements pivotally connected to the frame body renders it easy to change the lenses. Hence, the eyeglasses structure is advantageously characterized by ease of assembly and disassembly and diverse patterns. | 02-07-2013 |
Jui-Chi Liao, New Taipei City TW
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20140311819 | VIBRATION-PROOF SOUND BOX AND ENGAGEMENT STRUCTURE OF THE SAME - A vibration-proof sound box includes a sound box, a first board unit, a speaker, a second board unit, and an engagement structure having a clasp, a holder and a vibration-absorption unit. The clasp has a base portion connected to the first board unit, two clasping arms extending from the base portion, and a clasping space formed between the clasping arms. The free end of each of the clasping arms is formed with a protruding clasping piece. The holder has an accommodating portion connected to the second board unit, and two clasping holes passing through the accommodating portion. The two clasping pieces respectively engage the two clasping holes. The vibration-absorption unit has a main body snugly disposed in the clasping space, and two extension portions extending from the main body. The two extension portions abut the inner wall of the holder. | 10-23-2014 |
Jui-Chi Liao, Taipei TW
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20080196210 | Bluetooth earphone and lanyard structure thereof - A Bluetooth earphone and a lanyard structure thereof are provided. The Bluetooth earphone includes an earphone body and a lanyard structure. The lanyard structure includes a lanyard and a clip element. The lanyard is disposed on the clip element. The clip element includes two hooks gripping the earphone body for combining the lanyard structure with the earphone body. | 08-21-2008 |
20120244813 | BLUETOOTH EARPHONE - A Bluetooth earphone includes a main body, an earpiece disposed at one side of the main body, an ear hanger, a power unit, and first and second rotating shafts. The ear hanger includes a first end portion disposed on the earpiece, a bent-back portion bent from the first end portion, and a second end portion extending from the bent-back portion. The power unit includes a battery set disposed removably on the second end portion of the ear hanger, and a transmission cable electrically connected to the main body and the battery set. The first rotating shaft unit connects the earpiece pivotally to the main body. The second rotating shaft unit connects the ear hanger pivotally to the earpiece. The Bluetooth earphone is adjustable to be worn on the left or right ear of a user, and is convenient to replace the battery set. | 09-27-2012 |
Jui-Chi Lin, New Taipei City TW
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20140097380 | Aligned Graphene Sheets-Polymer Composite and Method for Manufacturing the Same - A method for fabricating an aligned graphene sheet-polymer composite is provided, which includes the steps below. A mixture is prepared with the dispersed graphene sheets in the polymer fluid. The graphene filament bundles substantially paralleled to each other are formed by a sequence of aligned graphene sheets in the polymer fluids when a field was applied. Finally, the mixture is solidified. An anisotropic index in a range of 1.00 to 2.00 is obtained in an aligned graphene sheet-polymer composite by calculating the ratio of the coefficient of thermal conductivity in a parallel direction and the one in perpendicular direction. The aligned graphene sheet-polymer composite is also provided. | 04-10-2014 |
Jui-Chi Lin, Tu-Chen City TW
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20100154879 | Dye-Sensitized Solar Cell, Photo-Sensitized Anode Electrode Thereof, and Method of Manufacturing the Same - A dye-sensitized solar cell (DSSC), photo-sensitized anode electrode thereof, and method of manufacturing the same are disclosed, which includes the photo-sensitized anode electrode having a titanium dioxide layer coated by a protonized food dye layer that is an environmentally friendly photosensitizer instead of prior dyes. Therefore, the resultant DSSC can be recycled for reducing environmental pollution. | 06-24-2010 |
20100154880 | DYE-SENSITIZED SOLAR CELL, ANODE THEREOF, AND METHOD OF MANUFACTURING THE SAME - A dye-sensitized solar cell (DSSC), anode thereof, and method of manufacturing the same are disclosed. The anode has a titanium dioxide layer mixed with a desired ratio of carbon black nanoparticles to increase the conductivity of the anode. Thereby, the conversion efficiency of the solar energy to electricity for the DSSC is effectively improved. | 06-24-2010 |
20100163103 | Organic Thin-Film Solar Cell Using Fullerene Derivative for Electron Acceptor and Method of Manufacturing the Same - A fullerene derivative for electron acceptor is disclosed. Introducing a benzylalkyl group into the fullerene derivative can increase the affinity of the fullerene derivative with electron donors, and introducing an alkyl group into the fullerene derivative can increase the solubility of the fullerene derivative with an organic solvent. In addition, an organic thin-film solar cell and a method of manufacturing the same are further disclosed. An annealing process can be employed to improve the crystallization and to reduce the phase separation state of a photoactive layer that is formed by the fullerene derivative and the electron acceptor. Thereby, the fullerene derivative is facilitated to enhance the solar energy to electricity conversion efficiency of the resultant organic thin-film solar cell. | 07-01-2010 |
20120149554 | GRAPHENE/NANO-TITANIUM DIOXIDE COMPOSITES AND METHODS FOR PREPARING THE SAME - Disclosed herein are methods for preparing graphene/nano-titanium dioxide composites. About 500 to 10,000 parts by weight of nano-titanium dioxide and about 1 part by weight of graphene are distributed in a water-ethanol (about 2:1 to 3:1 by volume) solution to obtain a dispersion. The nano-titanium dioxide and graphene within the dispersion are allowed to react under a pressure of about 10 to 15 MPa and a temperature of about 100 to 200° C. thereby producing the graphene/nano-titanium dioxide composites. | 06-14-2012 |
Jui-Chi Su, New Taipei TW
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20130130526 | CARD EDGE CONNECTOR - A card edge connector ( | 05-23-2013 |
Jui-Chi Tsai, Taipei City TW
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20120088923 | METHOD FOR PREPARING A COUMARIN COMPOUND, CHROMENE COMPOUND, AND METHOD FOR PREPARING A CHROMENE COMPOUND - Disclosed herein is a method for preparing a coumarin compound of formula (F), in which R | 04-12-2012 |
20150064238 | METHOD AND COMPOSITION FOR ENHANCING THE DELIVERY OF ANTI-PLATELET DRUGS FOR THE TREATMENT OF ACUTE STROKE - The invention provides a method for enhancing the delivery of an anti-platelet drug for the treatment of acute stroke, comprising delivering a composition comprising an anti-platelet drug and a vehicle that can reduce the binding rate of plasma proteins, so that the anti-platelet drug can achieve the effect of treating acute stroke at a low dose. By use of the neuro-protective efficacy of anti-platelet drug, the invention allows the drug to release slowly to the site of treatment by combining anti-platelet drugs with a vehicle that can reduce the binding rate of plasma proteins to effectively reduce the dose of the anti-platelet drug and consequently reduce the side effects such as hypotension caused by, administration of a high dose of the anti-platelet drugs. The invention also provides a pharmaceutical composition for enhancing treatment of acute stroke and a method for treating acute stroke using the pharmaceutical composition of the invention. | 03-05-2015 |
Jui-Chi Wang, Taipei City TW
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20080301894 | Toothbrush - A toothbrush comprising a head portion having bristles thereon, a neck portion, and a handle is disclosed. One end of the neck portion is connected to the head portion, and the other end is connected to the handle. The axis of the bristles is substantially parallel to the axis of the neck portion. The axis of the neck portion and the axis of the handle form an angle. Accordingly, the toothbrush can be used easily for brushing and it reduces angle limitations when cleaning the inner surface of the teeth. | 12-11-2008 |
Jui-Chi Wu, Taichung City TW
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20130073236 | SYSTEMS AND METHODS FOR DETERMINING A REMAINING BATTERY CAPACITY OF A BATTERY DEVICE - A system for determining a remaining battery capacity includes a detection circuitry and a controller. The detection circuitry is coupled to a battery device at a detection node for detecting a closed circuit voltage of the battery device. The controller is coupled to the detection circuitry, derives an amount of current drawn out from the battery device based on the closed circuit voltage, calculates an open circuit voltage of the battery device based on the current, and determines the remaining battery capacity of the battery device based on the open circuit voltage. | 03-21-2013 |