Patent application number | Description | Published |
20100109477 | PRESTRESS-ADJUSTABLE PIEZOELECTRIC GRIPPING DEVICE - A prestress-adjustable piezoelectric gripping device is provided, in which a prestressing device adjusts a prestressing force applied to a piezoelectric element of a piezoelectric unit on the basis of a feedback signal from a force-sensing unit, so as to adjust the friction between the piezoelectric unit and a gripping unit. By utilizing the deformation of the piezoelectric element to drive the gripping unit many times, the gripping velocity and gripping force of the gripping unit can be controlled, and the prestress-adjustable piezoelectric gripping device of the invention can achieve a long driving displacement while maintaining high precision. | 05-06-2010 |
20110095711 | SINGLE-STAGE ZERO-CURRENT SWITCHING DRIVING CIRCUIT FOR ULTRASONIC MOTOR - The present invention relates to a single-stage zero-current switching driving circuit for ultrasonic motor, which comprises: a buck-boost converter and a zero-current switching resonant inverter. The driving circuit according to the present invention integrates the buck-boost converter and the resonant inverter into a single-stage structure, so that the buck-boost converter and the resonant inverter share an active switch and a trigger signal, and therefore, the circuit is simplified and the loss caused by stage switching is reduced. Moreover, the buck-boost converter operates in a discontinuous-conduction mode (DCM), which allows the circuit to have high power factor, and enables the active switch to be capable of zero-current switching (ZCS), so that the loss caused by switching is largely reduced. In the driving circuit according to the present invention, there's no interaction of power between the buck-boost converter and the resonant inverter, so that the two circuits can be analyzed individually. Therefore, the driving circuit according to the present invention having simplified circuit, low loss caused by switching, and low manufacturing cost, can be a competitive product after being commercialized. | 04-28-2011 |
Patent application number | Description | Published |
20090114940 | Light-Emitting Device - The invention provides a light-emitting device, comprising a light-emitting element and a surface plasmon coupling element connected to the light-emitting element. In an embodiment of the invention, the surface plasmon coupling element comprises a dielectric layer connected to the light-emitting element and a metal layer on the dielectric layer. In another embodiment of the invention, the light-emitting device is a light-emitting diode, comprising an active layer between an n-type semiconductor layer and a p-type semiconductor layer, and a surface plasmon coupling element adjacent to the n-type semiconductor layer. In a further embodiment of the invention, a current spreading layer on a second type semiconductor layer of the light-emitting device includes a plurality of strip-shaped structures, and the surface plasmon coupling element is disposed on the current spreading layer and filled into the gap between the strip-shaped structures of the current spreading layer. | 05-07-2009 |
20100314606 | LIGHT-EMITTING DEVICE - A light-emitting device is disclosed, including a light-emitting element and a surface plasmon coupling element, having an intermediary layer connected to the light-emitting element and a metal structure on the intermediary layer, wherein the intermediary layer is conductive under low-frequency injection current and has the characteristics as dielectric material in a wavelength range 100 nm˜20000 nm. | 12-16-2010 |
20110013192 | LOCALIZED SURFACE PLASMON RESONANCE SENSOR AND FABRICATION METHOD THEREOF - A method for forming a localized surface plasmon resonance (LSPR) sensor is disclosed, including providing a substrate, forming a metal thin film on the substrate and irradiating the metal thin film with a laser to form a plurality of metal nanoparticles, wherein the metal nanoparticles have a fixed orientation. | 01-20-2011 |
20140348509 | FIBER-OPTIC COMMUNICATION APPARATUS AND FIBER-OPTIC COMMUNICATION TERMINAL INCORPORATING THE SAME - A fiber-optic communication apparatus includes a modulator, a combiner and an electro-optic converter. The modulator modulates a number (N) of radio frequency (RF) signals with the same frequency respectively into a number (N) of modulated signals with mutually different frequencies, where N≧2. The combiner is coupled to the modulator for combining the modulated signals therefrom into a combined signal that has a number (N) of components with mutually different frequencies. The electro-optic converter is coupled to the combiner for converting the combined signal therefrom into an optical signal that has a number (N) of components with mutually different frequencies. | 11-27-2014 |
20140363158 | FIBER-OPTIC COMMUNICATION APPARATUS CAPABLE OF OPERATING IN A NORMAL MODE AND A POWER CALIBRATION MODE, AND COMMUNICATION DEVICE USED WITHIN THE SAME - A fiber-optic communication apparatus includes first and second communication devices interconnected by an optical fiber cable. The first communication device converts one of a calibration signal with a predetermined power level and a radio frequency (RF) signal into an optical signal. The second communication device converts the optical signal, which is transmitted through the optical fiber cable, into an electrical signal, detects a power level of the electrical signal associated with the calibration signal, obtains a power attenuation ratio based on the power level detected thereby and the predetermined power level, and adjusts the power level of the electrical signal associated with the RF signal based on the power attenuation ratio. | 12-11-2014 |
20150037028 | ADAPTIVE DISTRIBUTED ANTENNA SYSTEM CAPABLE OF LOAD BALANCING - An adaptive distributed antenna system comprises a control module coupled between multiple base stations, and multiple antenna groups, each of which includes multiple antenna devices each coupled to the control module via a transmission line, and operable to convert an external wireless signal and a transmitting signal from the transmission line respectively into a receiving signal and a signal to be radiated. The control module converts a downlink signal from any base station and the receiving signal from any transmission line respectively into the transmitting signal and an uplink signal. The control module is configured to establish a transmission link between one base station and one antenna device of the antenna groups. | 02-05-2015 |
20150063226 | METHOD OF TRANSMITTING A DOWNLINK RADIO SIGNAL FROM A DISTRIBUTED ANTENNA SYSTEM TO A MOBILE DEVICE AND DISTRIBUTED ANTENNA SYSTEM - A method of transmitting a downlink radio signal from a distributed antenna system to a mobile device is provided. The distributed antenna system includes a plurality of transceivers and a control module. Each of the transceivers receives an uplink radio signal from the mobile device as a respective received signal. Each of the transceivers transmits the received signal to the control module. The control module provides to each of the transceivers the downlink radio signal with a respective intensity, which is determined by the control module according to an intensity of the received signal from the transceiver. Each of the transceivers transmits the downlink radio signal to the mobile device. | 03-05-2015 |
Patent application number | Description | Published |
20100266910 | HYDROGEN SUPPLY DEVICE - Disclosed is super water absorbent polymers applied to contain water, and the polymers may further collocate with water absorbent cotton materials to accelerate water absorbent rates. The described water absorbent materials are combined with solid hydrogen fuel to complete a stable hydrogen supply device. Performance of the hydrogen supply device is not effected by inverting or tilting thereof. Even if inverting or tilting the device, the water contained in the water absorbent materials does not flow out from the device. As such, the MEA film in the fuel cell connected to the hydrogen supply device will not blocked by the water, thereby avoiding the fuel cell performance degradation even breakdown. | 10-21-2010 |
20100279183 | FLEXIBLE POWER SUPPLY - Disclosed is a flexible power supply including a hydrogen supply device connected to a flexible fuel cell, wherein the hydrogen supply device includes a moldable hydrogen fuel. In one embodiment, the flexible fuel cell is a sheet structure, and the hydrogen supply device is a flexible flat bag, wherein the fuel cell and the hydrogen supply device are adhered to complete a sheet of a flexible power supply. The sheet of flexible power supply can be put in the pocket of cloth or baggage, or directly sewn on the outside of cap or overcoat. | 11-04-2010 |
20100285376 | MAGNETIC CATALYST AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a magnetic catalyst formed by a single or multiple nano metal shells wrapping a carrier, wherein at least one of the metal shells is iron, cobalt, or nickel. The magnetic catalyst with high catalyst efficiency can be applied in a hydrogen supply device, and the device can be connected to a fuel cell. Because the magnetic catalyst can be recycled by a magnet after generating hydrogen, the practicability of the noble metals such as Ru with high catalyst efficiency is dramatically enhanced. | 11-11-2010 |
20110142754 | ONE-OFF AND ADJUSTMENT METHOD OF HYDROGEN RELEASING FROM CHEMICAL HYDRIDE - An one-off and adjustment method of hydrogen releasing from chemical hydride. The “one/off” of hydrogen release is controlled by the “contact/non-contact” procedures between the reactants. First, at least a hydride powder, a catalyst powder and a water-containing reactant are provided, and at least any two of three are mixed to form a mixture. Hydrogen gas is generated by adjusting a contact area between the mixture and the remaining one. The hydrogen-releasing reaction is terminated when a non-contacting state between the mixture and the remaining one occurs. Alternatively, an inhibitor or an inhibiting method could be used for suppressing or terminating the hydrogen-releasing reaction. The hydrogen-releasing rate could be controlled and adjusted by the extent of suppression. | 06-16-2011 |
20110143235 | Power Supply Device - A power supply device is provided. The power supply device includes a fuel cell, a hydrogen generator, a check valve and an exhaust valve. The fuel cell has a hydrogen inlet and a hydrogen outlet. The hydrogen generator is connected to the hydrogen inlet and used for generating hydrogen. The check valve is disposed in the hydrogen inlet and used for preventing the hydrogen within the fuel cell from flowing to the hydrogen generator, and preventing exterior air from entering the fuel cell. The exhaust valve is disposed in the hydrogen outlet for exhausting the hydrogen within the fuel cell. | 06-16-2011 |
20110143240 | Hydrogen Generation System, Method for Generating Hydrogen Using Solid Hydrogen Fuel and Method for Providing Hydrogen for Fuel Cell Using the Same - A hydrogen generation system comprising solid hydrogen fuel, a liquid absorbent material, and a phase-change material is provided. When the liquid (usually water, alcohol, or aqueous solution of alcohol, aqueous solution of salt or aqueous solution of acid) in the absorbent material contacts with the solid hydrogen fuel, the solid hydrogen fuel will react with the liquid to release hydrogen and generate heat. The heat as generated will accumulate to increase the reaction temperature, and then boost the hydrogen-releasing rate. The phase-change material is adjacent to the solid hydrogen fuel for absorbing and storing the reaction heat, so as to stabilize the reaction temperature. Therefore, the hydrogen-releasing rate is kept as constant to achieve a steady hydrogen flow. | 06-16-2011 |
20110217456 | MAGNETIC CATALYST AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a magnetic catalyst formed by a single or multiple nano metal shells wrapping a carrier, wherein at least one of the metal shells is iron, cobalt, or nickel. The magnetic catalyst with high catalyst efficiency can be applied in a hydrogen supply device, and the device can be connected to a fuel cell. Because the magnetic catalyst can be recycled by a magnet after generating hydrogen, the practicability of the noble metals such as Ru with high catalyst efficiency is dramatically enhanced. | 09-08-2011 |
20120244065 | MAGNETIC CATALYST AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a magnetic catalyst formed by a single or multiple nano metal shells wrapping a carrier, wherein at least one of the metal shells is iron, cobalt, or nickel. The magnetic catalyst with high catalyst efficiency can be applied in a hydrogen supply device, and the device can be connected to a fuel cell. Because the magnetic catalyst can be recycled by a magnet after generating hydrogen, the practicability of the noble metals such as Ru with high catalyst efficiency is dramatically enhanced. | 09-27-2012 |
20120309612 | MAGNETIC CATALYST - Disclosed is a magnetic catalyst formed by a single or multiple nano metal shells wrapping a carrier, wherein at least one of the metal shells is iron, cobalt, or nickel. The magnetic catalyst with high catalyst efficiency can be applied in a hydrogen supply device, and the device can be connected to a fuel cell. Because the magnetic catalyst can be recycled by a magnet after generating hydrogen, the practicability of the noble metals such as Ru with high catalyst efficiency is dramatically enhanced. | 12-06-2012 |
20130337350 | Power Supply Device - A power supply device is provided. The power supply device includes a fuel cell, a hydrogen generator, a check valve and an exhaust valve. The fuel cell has a hydrogen inlet and a hydrogen outlet. The hydrogen generator is connected to the hydrogen inlet and used for generating hydrogen. The check valve is disposed in the hydrogen inlet and used for preventing the hydrogen within the fuel cell from flowing to the hydrogen generator, and preventing exterior air from entering the fuel cell. The exhaust valve is disposed in the hydrogen outlet for exhausting the hydrogen within the fuel cell. | 12-19-2013 |
Patent application number | Description | Published |
20120240455 | SOLID HYDROGEN FUEL WITH INITIAL HEATING - An embodiment of the invention provides a solid hydrogen fuel with an initial heating mechanism, including: a solid hydrogen fuel; and a heating promoter disposed on at least one surface of the solid hydrogen fuel, wherein the heating promoter proceeds with an exothermal reaction when contacted with water. Another embodiment of the invention provides: a solid hydrogen fuel with an initial heating mechanism, including a solid hydrogen fuel; and an electrical heating element in contact with the solid hydrogen fuel. | 09-27-2012 |
20130146912 | ELECTRONIC DEVICE - An electronic device including an insulating substrate, a plurality of conductive vias and a chip is provided. The insulating substrate has an upper surface and a lower surface opposite to each other. The conductive vias pass through the insulating substrate. The chip is disposed on the upper surface of the insulating substrate and includes a chip substrate, a semiconductor layer and a plurality of contacts. The semiconductor layer is located between the chip substrate and the contacts. The contacts are electrically connected to the conductive vias. The material of the insulating substrate and the material of the chip substrate are the same. | 06-13-2013 |
20130146913 | ELECTRONIC DEVICE - An electronic device including an insulating substrate, a chip and a patterned conductive layer is provided. The insulating substrate has an upper surface and a lower surface opposite to each other. The chip is disposed above the upper surface of the insulating substrate. The patterned conductive layer is disposed between the upper surface of the insulating substrate and the chip. The chip is electrically connected to an external circuit via the patterned conductive layer. Heat generated by the chip is transferred to external surroundings via the patterned conductive layer and the insulating substrate. | 06-13-2013 |
20130148344 | LIGHT EMITTING DEVICE - A light emitting device including an insulating substrate, a plurality of light emitting diode (LED) chips and a patterned conductive layer is provided. The insulating substrate has an upper surface. The LED chips are disposed on the insulating substrate and located on the upper surface. The dominant wavelengths of the LED chips are in a wavelength range of a specific color light and the dominant wavelengths of at least two of the LED chips are different. The patterned conductive layer is disposed between the insulating substrate and LED chips, and electrically connected to the LEDs chip. | 06-13-2013 |
20140043845 | LIGHT-EMITTING APPARATUS - A light-emitting apparatus including a light guide unit, at least one light-emitting component, and a wavelength conversion unit is provided. The light guide unit has a first end and a second end opposite to the first end. The light-emitting component is disposed on the first end and emits a first light. The wavelength conversion unit is disposed on the second end. The light guide unit guides the first light emitted by the light-emitting component from the first end to the second end, and the wavelength conversion unit converts the first light into the second light, wherein the wavelength of the first light is different from the wavelength of the second light. | 02-13-2014 |
20140103367 | METHOD OF FORMING LIGHT EMITTING DIODE DIES, LIGHT EMITTING DIODE WAFER AND LIGHT EMITTING DIODE DIE - A method of forming light emitting diode dies includes: forming an epitaxial layered structure that defines light emitting units on a front surface of a substrate wafer; forming a photoresist layer over a back surface of the substrate wafer; aligning the substrate wafer and patterning the photoresist layer so as to form openings in the photoresist layer, each of the openings having an area less than a projected area of the respective light emitting unit; forming a solder layer on the photoresist layer such that the solder layer fills the openings in the photoresist layer; removing the photoresist layer and a portion of the solder layer that covers the photoresist layer from the substrate wafer; and dicing the substrate wafer. | 04-17-2014 |
20140131751 | WAVELENGTH CONVERTING SUBSTANCE, WAVELENGTH CONVERTING GEL AND LIGHT EMITTING DEVICE - A wavelength converting substance is made of semiconductor material. The wavelength converting substance is suitable for absorbing an exciting light with the wavelength range falling between 300 nanometers and 490 nanometers and converting the exciting light to an emitted light with wavelength range falling between 450 nanometers and 750 nanometers. | 05-15-2014 |
20140167077 | LIGHT SOURCE MODULE - A light source module includes a substrate, at least two light emitting diode (LED) chips and at least one dummy chip. The LED chips are disposed on the substrate. The dummy chip is disposed on the substrate and located between the LED chips. The LED chips, the dummy chip and the substrate are electrically connected to one another. The dummy chip is used to redirect a lateral light emitted from the LED chips. | 06-19-2014 |
20140185270 | LIGHTING STRUCTURE AND ILLUMINATING DEVICE - A lighting structure includes a substrate, a light emitting diode, a cover unit, and a hollow column. The substrate has a top surface and a rear surface opposite to the top surface. The light emitting diode is disposed on the top surface and is electrically connected to the substrate. The cover unit is disposed on and cooperates with the substrate to define a receiving space in which the light emitting diode is disposed. The hollow column is connected to the rear surface of the substrate and extends in a vertical direction away from the rear surface. The cover unit and the hollow column respectively have a height in the vertical direction, and the height of the hollow column is 2 times to 10 times the height of the cover unit. | 07-03-2014 |
20140198506 | LIGHTING DEVICE - A lighting device includes a light base, a light shade, a padding element, at least one light emitting element and a wavelength converting shell. The light shade is disposed on the light base and cooperating with the light base to define an accommodating space. The padding element is disposed on the light base and located in the accommodating space. The light emitting element is disposed on the padding element and emits a light beam. The wavelength converting shell is disposed on the padding element and covers the light emitting element. The light beam is emitted out from the wavelength converting shall by a first refraction, formed a luminous virtual image between a first top end of the light shade and a second top end of the wavelength converting shell by reflecting, and emitted out the light shade by a second refraction. | 07-17-2014 |
20140252400 | LIGHT EMITTING DEVICE - A light emitting device including a carrier, a substrate, at least one electrode pair, at least one light emitting diode (LED) and at least one positioning element is provided. The substrate is disposed on the carrier and has a body portion and at least one bending portion. The bending portion connects to the body portion. The bending portion is not coplanar with the body portion. The electrode pair is located on the body portion of the substrate. The LED is disposed on the body portion of the substrate and electrically connected to the electrode pair. The positioning element is disposed on the bending portion of the substrate for fixing the substrate on the carrier. | 09-11-2014 |
20140278330 | ILLUMINATION SYSTEM - An illumination system is provided, including a light emitting device and a control device, wherein the control device is coupled to the light emitting device so as to capture a situation data in a remote end and generate a situation signal correspondingly. The light emitting device receives the situation signal and generates a simulating situation. | 09-18-2014 |
20140306246 | LIGHT SOURCE MODULE - A light source module including a substrate, a plurality of first light emitting diode (LED) chips, and at least one second LED chip is provided. The substrate has an upper surface. The plurality of first LED chips are disposed on the upper surface and electrically connected to the substrate. The second LED chip is disposed on the upper surface and electrically connected to the substrate. A first distance is between a top surface of each of the first LED chips away from the upper surface of the substrate and the upper surface, a second distance is between a top surface of the second LED chip away from the upper surface of the substrate and the upper surface, and the second distance is greater than each of the first distances. | 10-16-2014 |
20140313407 | PROTECTIVE COVER - A protective cover is detachably assembled to and electrically connected to an electronic device having an image capturing unit and a lens. The protective cover includes a base portion, at least one bending portion, and a plurality of light-emitting units. The electronic device is disposed on the base portion. The bending portion is foldably connected to at least one side of the base portion. There is at least one included angle between a side of the electronic device and the bending portion. The light-emitting units are disposed on the bending portion, and the light-emitting units are not coplanar with the lens. | 10-23-2014 |
20140313745 | ILLUMINATION DEVICE - An illumination device including at least one light emitting element and a transparent lampshade is provided. The transparent lampshade is disposed on one side of the light emitting element and located on a light emitting path of the light emitting element. The transparent lampshade has a sealed space, a first fluid and a second fluid. The first fluid is a colloidal solution, and the first fluid is immiscible with the second fluid, and the first fluid and the second fluid flow in the sealed space to change a light shape of the emitted light from the light emitting element. | 10-23-2014 |
20140339576 | FLIP-CHIP LIGHT-EMITTING DIODE UNIT - A flip-chip light-emitting diode (LED) unit includes a substrate, an electrode pad set disposed on the substrate, and three flip-chip LEDs disposed on the electrode pad set in a flip-chip manner and including one first LED and two second LEDs that are spaced apart from the first LED and that are electrically coupled to the first LED in a series configuration. | 11-20-2014 |
20140346543 | LIGHT-EMITTING DEVICE - A light-emitting device of the invention includes a base, at least one light-emitting element, a wavelength transferring cover and a heat-conducting structure. The light-emitting element is disposed on the base and electrically connected to the base. The wavelength transferring cover is disposed on the base and covers the light-emitting element. The heat-conducting structure is disposed on the base and directly contacts the wavelength transferring cover. | 11-27-2014 |
20150263257 | LIGHT-EMITTING DEVICE - A light-emitting device of the invention includes a base, at least one light-emitting element, a wavelength transferring cover and a heat-conducting structure. The light-emitting element is disposed on the base and electrically connected to the base. The wavelength transferring cover is disposed on the base and covers the light-emitting element. The heat-conducting structure is disposed on the base and directly contacts the wavelength transferring cover. | 09-17-2015 |