National Formosa University Patent applications |
Patent application number | Title | Published |
20140354048 | Integrated Lamp with Automatic Emergency Light and Regular Light - An integrated lamp with automatic emergency light and regular light is provided in the present invention. The integrated lamp with automatic emergency light and regular light is coupled to an AC power source, wherein the AC power source includes a first AC terminal and a second AC terminal. The integrated lamp is controlled by a lamp switch, where the lamp switch includes a first terminal and a second terminal, where an indication light circuit is coupled between the first terminal and the second terminal of the lamp switch. The integrated lamp includes an AC detector. The AC detector is coupled between the second terminal of the lamp switch and the second AC terminal. When the lamp switch is turned off, the AC detector determines whether the current state is a power failure state or a normal state according to the electrical current and/or voltage from the indication light circuit to the second AC terminal. | 12-04-2014 |
20130323156 | METHOD AND APPARATUS FOR SEQUENCING-BATCH PURIFICATION OF POTASSIUM NITRATE FROM SOLID WASTE PRODUCED BY GLASS-STRENGTHENING PROCESS - Provided is a method and an apparatus for purifying potassium nitrate from the solid waste produced by a chemical glass-strengthening process. In the method, the solid waste is melted into a liquid waste at first. Potassium nitrate of various purity grades can be obtained by batch processing the liquid waste through stepwise cooling processes of cooling the liquid waste to a first temperature facilitating the potassium nitrate contained in the liquid waste to be crystallized at a first rate and then cooling the liquid waste to a second temperature close to the freezing point of the potassium nitrate at a second rate that is slower than the first rate. The recovered potassium nitrate from the solid waste can be recycled and reused. | 12-05-2013 |
20130145877 | NUT FOR BALL SCREW - A nut for a ball screw mainly includes a nut, multiple dual-narrowed paths, multiple micro fans, a control portion, and multiple temperature sensing portions. The nut has a threaded path and the dual-narrowed paths are defined through the central axis of the nut and substantially parallel to the threaded path. Each of the dual-narrowed paths has a high-speed area and the diameter of each of the dual-narrowed paths is gradually reduced from two ends toward the high-speed area. The nut has micro fans which drive the air flows and reduce the temperature to increase the life of use and the precision of positioning. | 06-13-2013 |
20130129934 | METHOD OF FABRICATION FOR AN ASYMMETRIC BRAGG COUPLER-BASED POLYMERIC WAVELENGTH FILTER WITH SINGLE-GRATING WAVEGUIDE - The present invention discloses a method for fabricating polymeric wavelength filter based on an asymmetric Bragg coupler with single-grating waveguide. The asymmetric waveguide coupler is formed firstly on a negative photo-resist mold. PDMS film is injected into the narrow waveguide of the coupler to act as a protection layer. The gratings pattern is exposed on the alternative waveguide and subsequently transferred to PDMS stamp mold. The PDMS stamp mold is used as a stamp to transfer the gratings pattern of the ABC wavelength filter onto UV cured polymer to form the final ABC filter. Whereby, the fabrication process is reliable and accurate, and can offer great potential for mass production of the ABC filter with single-grating waveguide. | 05-23-2013 |
20130109036 | PROTEIN SUBSTRATE AND ITS MANUFACTURING METHOD | 05-02-2013 |
20120126734 | ALTERNATING CURRENT CHOPPER CIRCUIT WITH LOW NOISE - An alternating current chopper circuit with low noise is disclosed. The circuit includes a switching circuit, a first freewheel circuit, and a second freewheel circuit. The switching circuit has a control switching unit, which turns on and or off accordingly to a control signal. The first freewheel circuit and the second freewheel circuit are for providing a current-conducting path to the motor, when the control switching unit is turned off. | 05-24-2012 |
20120028549 | Auto-scraping apparatus - An auto-scraping apparatus for a work piece of a hard rail has a tracking device, a driving device and a tool device. The tracking device has a connecting frame, a moving frame, a lifting frame and a tool frame. The moving frame is movably connected to the connecting frame. The lifting frame is movably connected to the moving frame. The tool frame is rotatably connected to the lifting frame. The driving device is connected to the tracking device and has two linear motion units and a rotating motion unit. One of the linear motion units drives the moving frame and the other linear motion unit drives the lifting frame. The rotating motion unit is mounted in the tool frame and has a rotating shaft. The tool device is detachably connected to the driving device and has a tool carrier and a relieving tool. | 02-02-2012 |
20110287699 | AUTO-SCRAPING APPARATUS - An auto-scraping apparatus for a work piece of a hard rail has a driving device, a linking device and a tool device. The driving device has a connecting frame, a driving motor and a cam. The driving motor is mounted in the connecting frame. The cam is mounted on a bottom of the connecting frame and has an abutting face. The linking device is connecting to the driving device and has a main frame, an upper connecting arm, a lower connecting arm, a linking arm and a rotating wheel. The main frame is connected to the driving motor. The connecting arms are pivotally connected to the main frame and the linking arm. The rotating wheel is rotatably mounted on the upper connecting arm and abuts the abutting face of the cam. The tool device is connected to the linking device and has a tool carrier and a relieving tool. | 11-24-2011 |
20110275477 | Planetary gear speed reducer - A planetary gear speed reducer includes a gear bracket having a center hole and first, second and third locating portions arranged in parallel along the center hole, a sun gear mounted in the center hole of the gear bracket, first gears rotatably mounted in between the first and second locating portions of the gear bracket and meshed with the sun gear, second gears rotatably mounted in between the second and third locating portions of the gear bracket and meshed with the sun gear, and two annular gears respectively meshed with the first gears and the second gears. Enabling the two annular gears to mesh with the first and second gears respectively avoids installation inconvenience due to phase difference between the first and second gears and eliminates interference during rotation of the two annular gears. By means of changing the number of teeth of each gear, the planetary gear speed reducer can provide a low, medium or high reduction ratio. | 11-10-2011 |
20110275280 | METHOD OF AUTO SCANNING AND SCRAPING A WORK PIECE FOR A HARD RAIL - A method of auto scanning and scraping a work piece for a hard rail has a preparing step, a scanning step, a detecting step, an auto-scraping step and an analyzing step. The preparing step comprises preparing an auto scanning and scraping apparatus with a multi-axis machine tool, a control computer, an auto-scraping device and a position detector. The scanning step comprises scanning the surface of the work piece to read the roughness value and transporting the data to the control computer. The detecting step comprises forming a 3D-appearance drawing of the work piece and detecting the 3D-appearance drawing with multiple detection steps. The auto-scraping step comprises scraping the surface of the work piece by the auto-scraping device. The analyzing step comprises detecting the 3D-appearance drawing of the work piece that has been scraped with the preceding detection steps and scraping the work piece to meet the preceding detection steps. | 11-10-2011 |
20110254252 | FOLDING BICYCLE WITH TELESCOPIC ROD - A folding bicycle with a telescopic rod includes a bicycle body, a folding switch and the telescopic rod. The bicycle body includes front and rear frames that are foldable against each other. The telescopic rod has two ends respectively and pivotally connected to the front and rear frames, and has an engaging position thereof. The folding switch is disposed on a lateral side of the bicycle body to fix the front and rear frames together or release from each other. When the bicycle body is unfolded, the telescopic rod is driven to extend, and the folding switch fixes the front and rear frames together. When the bicycle body is folded in half, the telescopic rod is driven to retract and fixed in the engaging position. Thus, the present invention has advantages of enhanced rigidity of the bicycle body, easily movability, auxiliary positioning, simply rapid folding and lower costs. | 10-20-2011 |
20110221581 | METHOD FOR CONTROLLING APPLIANCES BY SWING MOTION - A method for controlling appliances includes a wearing step, a swinging step and a controlling step. The control device is attached to a movable part of a user's body and the user swings the movable part to generate and send a control signal to the appliance so as to activate and control the appliance. The method is also helpful for rehabilitation to disable people. | 09-15-2011 |
20110216450 | TRANSFORMER FAILURE ANALYSIS SYSTEM - A transformer failure analysis system using a programmable chip in conjunction with a shock response spectrum analysis method to distinguish inrush current and fault current of a transformer and to monitor the phase of an AC power source inputting to the transformer by means of a phase detector. When an inrush current occurs, the programmable chip provides a control signal to delay the phase of the AC power source being inputted into the transformer, thereby suppressing the occurrence of the inrush current. When a fault current occurs, the control signal cuts off the AC power source from the transformer until the operator has tested the whole circuit architecture to debug and correct circuit application and eliminated the internal fault. | 09-08-2011 |
20110215778 | SOLAR POWER CONVERTER WITH MULTIPLE OUTPUTS AND CONVERSION CIRCUIT THEREOF - A solar power converter with multiple outputs and conversion circuit thereof is disclosed. One embodiment of the solar power converter includes a power input terminal, a solar power unit and a solar power conversion circuit with multiple outputs including a primary circuit, a first output circuit, a second output circuit, and a transformer with a first auxiliary winding, a second auxiliary winding and a primary winding. An output terminal of the second output circuit is connected to the power input terminal in series for providing a third output voltage to a load unit. The third output voltage is a sum of an input voltage generated by the solar power unit and a second output voltage generated by the second output circuit. | 09-08-2011 |
20110213490 | METHOD OF DETECTING A DYNAMIC PATH OF A FIVE-AXIS MACHINE TOOL AND DETECTING ASSEMBLY FOR THE SAME - A method of detecting a dynamic path of a five-axis machine tool having a spindle and a turntable and has a preparing step, a correcting step and a detecting step. The preparing step includes mounting a detector on the spindle, mounting a cat-eye reflector on the turntable, emitting a laser light to the cat-eye reflector, reflecting the laser light to the detector and splitting into two light beams. One of the light beams is emitted to a four-quadrant position sensitive detector. The correcting step includes rotating the detector, detecting a signal of the laser light by the four-quadrant position sensitive detector to eliminate an offset between the detecting assembly and the spindle. The detecting step includes detecting the dynamic path of the five-axis machine tool by detecting the positions of at least two of the linear axes and at least one of the rotation axes of the five-axis machine tool. | 09-01-2011 |
20110186565 | HEATING ASSEMBLY WITH INDUCTIVE COIL - A heating assembly includes two permanent magnets arranged in a spaced manner to define a path therebetween for passage of a plurality of stainless steel nails, and an inductive coil wound around an extending direction of the path in such a way that the inductive coil has a number of loops arranged along two opposite sides of the permanent magnets. Thus, when the stainless steel nails move through the path, the inductive coil can receive a low-intensity operation current to heat the stainless steel nails to a predetermined temperature. | 08-04-2011 |
20110070812 | CIRCULAR PATH GENERATING DEVICE - A circular path generating device comprises a base, a sliding stage, a working portion, and a driving device. The sliding stage is movable on the base along a first axial direction while the working portion is movable on the sliding stage along a second axial direction. The driving device has a driving portion and a crank portion, wherein the driving portion is configured for driving the crank portion to rotate, and the crank portion is connected to the working portion. When the driving portion drives the crank portion to rotate, the working portion is driven by the crank portion to move along a circular path. Thus the circular path generating device according to the present invention advantageously owns a mechanism of one degree of freedom and a simple structure, is capable of performing uniform circular motions, and can be easily controlled. | 03-24-2011 |
20100050745 | Gas sensor made of field effect transistor based on ZnO nanowires - The present invention discloses a gas sensor made of field effect transistor based on ZnO nanowires (ZnO-FET) which operates according to the principle of metal-oxide-semiconductor field effect transistor (MOSFET) and has a charge carrier channel made of ZnO nanowires between source and drain. The gas sensor device disclosed in the present invention has three electrodes-gate, source and drain, so that it is different from the known gas sensor device which has only two electrodes-cathode and anode. The ZnO nanowires as charge channel in the gas sensor device of the present invention is an n-type semiconductor with high specific surface area, and its electric resistance can be controlled by the gate bias, so that the capability of the present device for sensing gas can be largely promoted. | 03-04-2010 |
20090325067 | WET-TO-USE ORGANIC CELL BATTERY - A wet-to-use organic cell battery includes a container filled with an electrolyte that is made from organic materials, an electrolyte solution, such as water, can be repeatedly added into the container to mix with the electrolyte, and two electrodes electrically connected to a mixture of the electrolyte and the electrolyte solution, and insulated from each other. Thus, the organic cell battery of the present invention has the advantages of being able to preserve the electrodes from consumption and rustiness, being refreshable, and being benign to environment and public health. | 12-31-2009 |
20090293935 | SOLAR COLLECTOR CAPABLE OF RECEIVING LIGHT RAYS WITH DIFFERENT INCIDENT ANGLES - A solar collector includes a base having an internal chamber therein, a plurality of openings, and low reflection materials at an inner periphery thereof, a lens unit for enabling the sun's rays to penetrate into the internal chamber through the openings, an optical transfer unit disposed in the internal chamber to receive the sun's rays and transform that into electric energy, and at least one heat transfer member mounted to the base to transfer heat energy transformed by the sun's rays that is received by the low reflection materials. Thus, the solar collector of the present invention is capable of receiving the sun's rays with different incident angles to transform the sun's rays into the electric energy and the heat energy. | 12-03-2009 |