Patent application number | Description | Published |
20100265742 | SWITCHING REGULATOR WITH FREQUENCY LIMITATION AND METHOD THEREOF - The present invention provides a switching regulator with frequency limitation and method thereof. The switching frequency of the switching regulator is limited through setting of a minimum off time, so as to improve the efficiency and EMI distribution of the switching regulator. | 10-21-2010 |
20100302816 | SWITCHING MODE POWER SUPPLY WITH A SPECTRUM SHAPING CIRCUIT - In accordance with the teachings described herein, systems and methods are provided for a switching mode power supply. In one example, the switching mode power supply may include a transformer, a switching circuit and a switching control circuit. The transformer receives a DC input voltage on a primary winding and generates a DC output voltage on a secondary winding. The switching circuit, which may include a MOSFET switch, is coupled to the transformer and is configured to switch the transformer on and off. The switching control circuit generates a switching control signal to control the switching circuit in order to regulate the DC output voltage of the transformer. The switching control circuit is configured to generate the switching control signal as a function of a timing signal having a varying frequency, wherein the varying frequency of the timing signal causes a switching frequency of the switching circuit to vary over a period of time in order to reduce electromagnetic interference caused by the switching circuit. | 12-02-2010 |
20110002068 | SWITCHING REGULATOR WITH FAULT PROTECTION AND METHOD THEREOF - A switching regulator with fault protection and method thereof. The switching regulator comprises a switching circuit, a control circuit, a fault detection circuit and a fault timer. The fault detection circuit is electrically coupled to the switching circuit to detect whether a fault condition exists and generate a fault signal accordingly. The fault timer starts to time once the fault signal becomes valid, and is reset when the fault signal becomes invalid. If the fault time reaches a first time threshold, the control circuit is disabled, and the switch in the switching circuit is turned off. | 01-06-2011 |
20110007526 | FREQUENCY LIMITATION METHOD WITH TIME HYSTERESIS USED IN QUASI-RESONANT CONTROL - A frequency limitation method used in quasi-resonant control of a switching regulator is disclosed. The switching frequency is limited through setting a minimum time limit, such as a minimum switching period or a minimum OFF time. The minimum time limit may be a first time limit or a second time limit. The minimum time limit is changed into another value if the minimum voltage point approaches the minimum time limit point, so as to eliminate the audible noise. | 01-13-2011 |
20110227497 | POWER SYSTEMS FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED METHODS OF CONTROL - Embodiments of LED driver circuits and the associated methods are disclosed herein. In one embodiment, the LED driver circuit comprises a switch-mode converter, a controller, a feedback circuit, and a gating circuit. The feedback circuit includes a current balance circuit. The gating circuit is responsive to both a current feedback signal and a voltage feedback signal and is configured to select one of them as the feedback signal. | 09-22-2011 |
20120248984 | BALLAST AND ASSOCIATED CONTROL CIRCUIT - The embodiments of the present invention disclose a ballast and associated control circuit wherein the control circuit comprises a multi function pin, a preheat cut-off circuit and an over-voltage protection circuit, wherein the multi function pin is coupled to the preheat cut-off circuit and a first switch configured to turn on the first switch at a preheat state of the ballast and to turn off the first switch at the end of the preheat state, and wherein the multi function pin is further coupled to the over-voltage protection circuit and a voltage sense circuit configured to receive a sensed output voltage signal and to stop the ballast after the preheat state when the sensed output voltage is larger than a first threshold. Compared with prior art, the present invention may reduce the volume and lower down the cost of circuit. | 10-04-2012 |
Patent application number | Description | Published |
20100243774 | SHREDDER WITH JAM PROOF SYSTEM - A shredder is disclosed having a jam proof system. In one embodiment, the jam proof system provides a thickness detector having a contact member which displaces as an article is inserted into a throat of the shredder and a resistance generating mechanism configured to provide a resistance force to the contact member, in response to displacement of the contact member. The greater the thickness of the material the greater the resistance force that will be realized. When the material reaches a predetermined thickness, there will be a significant change in the resistance force. The resistance generating mechanism may include at least two spring mechanisms serially arranged, such as, a first spring mechanism and a second spring mechanism. This feature provides immediate and direct feedback to the user that the article inserted into the shredder may be too thick. In addition, the thickness detector may include a sensor, and in particular, a Hall effect sensor assembly configured to measure the thickness of the article inserted into the throat. The sensor may communicate with a controller that is configured to alert the user, and/or alter the operation of the shredder, in response to the thickness of the material. For example, the controller may visually and/or audibly alert the user, or control the shredder motor response. | 09-30-2010 |
20120119006 | SHREDDER WITH JAM PROOF SYSTEM - A shredder has a jam proof system with a thickness detector having a contact member which displaces as an article is inserted into the shredder and a resistance generating mechanism which provides a resistance force to the contact member, in response to its displacement. The greater the thickness of the article, the greater the resistance force realized. When a predetermined thickness is reached, there is a significant change in the resistance force. The resistance generating mechanism may include at least two spring mechanisms and provide feedback to the user that the inserted article may be too thick. In addition, the thickness detector may include a thickness sensor. The sensor may communicate with a controller to alert the user, and/or alter the operation of the shredder, in response to the thickness of the inserted article. For example, the controller may visually and/or audibly alert the user, or control shredder motor response. | 05-17-2012 |
20150198749 | COLORED, DYNAMIC, AND AMPLIFIED SAFETY FILM - A colored, dynamic, and amplified security film includes a micro lens array layer, a base material layer, and a micro graphic layer. The layers meet the condition of Moore amplified imaging; the micro graphic layer is formed by a background area and a graphic area; the graphic area is distributed in the background area; the micro graphic layer includes a semi-transparent and semi-reflective metal layer, a medium layer, and a metal film layer successively from top to bottom; the metal film layer is of a planar structure; the thickness of the medium layer in the graphic area is greater than the thickness of the medium layer in the background area; and the thicknesses of semi-transparent and semi-reflective metal layers are consistent. | 07-16-2015 |
Patent application number | Description | Published |
20110290786 | Aircraft Heating System - An aircraft heating system wherein the heater includes a haven ( | 12-01-2011 |
20110297609 | AIRCRAFT POTABLE WATER SYSTEM - A potable water system ( | 12-08-2011 |
20120277372 | Hyperbranched Polymers Containing Polyhedral Oligosilsequioxane Branching Units - The HBP Free-POSS compounds of Formula I are superior to prior HB polymers and linear polymers in space and electronic applications because they have better resistance to electrons, protons and atomic oxygen, have superior out-gassing performance, and are transparent. They are used as coatings, films, adhesives, sealants and elastomers. | 11-01-2012 |
20140071216 | PRINTED HEATING ELEMENT - A heating element is provided with a conductive path pattern which can be printed in a mask-free manner (e.g., drop-on-demand) with existing printing technology. The printing step can be performed, for example, with a thermal inkjet printer, a piezoelectric inkjet printer, an aerosol jet printer, or an ultrasound printer. The ink solution can be formulated so that it establishes an electrically conductive path which is free of polymer binders. | 03-13-2014 |
20140353238 | SILVER-COATED FABRIC FOR FILTER MEMBRANE INTEGRATION - The invention provides a method of preparing a filter medium by thermally bonding silver-coated spunbonded nonwoven fabrics to a dirt-retaining membrane, a chemical-retaining membrane, a pathogen-retaining membrane, or a combination thereof. The invention also relates to the use of one or more silver-coated spunbonded nonwoven fabric layers as a component of a microorganism-killing membrane in filter media for a fluid filtration system. The filter media of the invention offers efficient disinfection effects, maintaining a low pressure drop and a high flow rate when in use. Further, the filter media is adhesive free and contains at least one thermal binding layer made of spunbonded nonwoven polymeric fabrics. The invention also features a water-purification cartridge and the use thereof in a potable water system. | 12-04-2014 |
20150053662 | HEATING ELEMENTS FOR AIRCRAFT HEATED FLOOR PANELS - A method of forming a heating element includes depositing a conductive ink of silver particles in an epoxy resin on a dielectric film to create a conductive circuit, and heat curing the conductive circuit to achieve a resistivity of the heating element less than 1.68×10 | 02-26-2015 |
20150053664 | DIRECT WRITING BUS BARS FOR SCREEN PRINTED RESIN-BASED CONDUCTIVE INKS - A method for providing an electrical connection for conductive ink includes direct writing a bus bar onto areas of a desired electrical connection of the conductive ink. The conductive ink is screen printed onto a dielectric film to create a conductive circuit. An aircraft heated floor panel includes at least one floor panel of an aircraft. The one floor panel includes a conductive circuit having a conductive ink including a bus bar directly written onto areas of a desired electrical connection of the conductive ink. The conductive ink is screen printed onto a dielectric film to create a conductive circuit. | 02-26-2015 |
Patent application number | Description | Published |
20120208414 | PLATFORM FOR COLLECTING MARINE ENERGY SOURCES - The invention relates to a platform for collecting marine energy sources, which comprises solar energy collecting devices, wind energy generating devices and tidal generating devices. The platform also comprises electric energy gathering devices for gathering and outputting electric energy output by the collecting devices or the generating devices. The devices are arranged on the platform on the sea surface. The platform comprises a support partially submerged under the sea surface, a table arranged on the support, and a mounting bracket arranged on the table and used for placing the solar energy collecting devices and the wind energy generating devices. | 08-16-2012 |
20120208675 | SYSTEM FOR ENERGY ON-SITE COLLECTION AND MEASUREMENT FEEDBACK - The invention relates to a system for energy on-site collection and measurement feedback, which comprises fitness apparatuses capable of producing mechanical energy, generators, power meters and energy storage accumulators, wherein the fitness apparatuses are provided with moving parts for exercise which are connected with the generators and drive the generators to generate power; the generators are connected with the accumulators through the power meters for measuring the generating capacity; and each power meter comprises a bank card reader which has function of reading and updating data. The power meters can count and display energy produced by the excise of each person each time and a data processing host can summarize energy values produced by different apparatuses on the same site, so that exercisers are promoted to increase interest in exercise and take exercise regularly. | 08-16-2012 |
20130181616 | Control Circuit and Illuminating Device - The present invention relates to a control circuit for an illuminating device, characterized in that the control circuit comprises a detecting unit, a central control unit and an illumination mode control unit, the detecting unit detects ambient brightness and generates a detection signal, the central control unit controls the illumination mode control unit, according to the detection signal, to generate a plurality of first driving signal enabling the illuminating device to operate in a first illumination mode or a plurality of second driving signal enabling the illuminating device to operate in a second illumination mode. The control circuit can automatically adjust the illuminating device to be in different operation modes according to different ambient brightness. | 07-18-2013 |
20140286018 | LENS AND AN ASYMMETRICAL LIGHT DISTRIBUTION ILLUMINATING DEVICE HAVING SUCH LENS - A lens for a linear light source may include a top and a bottom, the bottom including an incident surface, and a first supporting surface and a second supporting surface respectively at each side of the incident surface, and the top including an emergent surface, wherein the top further comprises a total internally reflective surface, and wherein in a cross section, the emergent surface is joined with the first supporting surface, the total internally reflective surface is joined with the second supporting surface, one part of light from the linear light source incidents into the incident surface and emerges after refracted by the emergent surface, and the other part of light incidents into the incident surface and reflected by the total internally reflective surface and then emerges after refracted by the emergent surface. | 09-25-2014 |
20150241048 | Illuminating Device - Various embodiments may relate to an illuminating device including a heat sink, a lens and an electronic device housing. The heat sink includes a circumferential wall that defines an accommodating cavity having a first opening and a second opening that are opposite, the lens and the electronic device housing are mounted in the accommodating cavity from the first opening and the second opening, respectively. One of the lens and the electronic device housing is fixed to the circumferential wall and is fixed together with the other one of the lens and the electronic device housing. | 08-27-2015 |
20150260369 | LENS AND LIGHTING DEVICE - Various embodiments may relate to a lens for a lighting assembly. The lens includes a bottom surface and an outer surface extending upwardly from the bottom surface, wherein the bottom surface includes an incident surface and the outer surface includes emergent surfaces, wherein the outer surface includes at least one first surface unit that includes a light adjusting surface and an emergent surface, the light adjusting surface receives at least one part of light beams from the incident surface and adjusts the light beams to the emergent surface to emerge through the emergent surface, and emergent light beams are converged at focus. | 09-17-2015 |
Patent application number | Description | Published |
20130231724 | SYSTEM OF FUNCTIONAL ELECTRICAL STIMULATION - The present invention discloses a functional electrical stimulation system comprising a primary power, a boost module, an energy storage section, an output control relay, an automatic discharge circuit, a foot/hand controlled switch, a current detection chip and a current limiting fuse. The boost module comprises n DC chopper circuits connected in series, and outputs a high voltage of 100-200V. According to an enable signal and a current detection signal, the output control relay disables/enables the DC boost module. The automatic discharge circuit discharges capacitance of the energy storage section automatically when the relay turns off the power input. The Foot/hand controlled switch, the current detection chip and the current limiting fuse form a triple accident protection circuit. The functional electrical stimulation system maximizes the intensity of electrical stimulation within the range that the human body can withstand. Meanwhile, it provides multiple security protection mechanisms and enhanced reliability to avoid danger during the use. | 09-05-2013 |
20140100638 | FUNCTIONAL ELECTRICAL STIMULATION SYSTEM - A functional electrical stimulation system having a boost module to raise an output voltage of a primary power to a first preset voltage, an energy storage module, connected to the boost module, configured to store electrical energy of the first preset voltage, a central control unit configured to generate data packets of electrical stimulation parameters, and an electrical stimulation output channel, connected to the energy storage module, configured to receive the data packets of electrical stimulation parameters, analyze the electrical stimulation parameters from the data packets, convert electrical energy stored in the energy storage module to an electrical stimulation pulse corresponding to the electrical stimulation parameters and apply the electrical stimulation pulse to a part of a user. The functional electrical stimulation system can enhance flexibility and autonomy of an electrical stimulation pulse so that the user can select a personalized electrical stimulation pulse type according to his/her actual conditions. | 04-10-2014 |
Patent application number | Description | Published |
20150296869 | TREATMENT OF TOBACCO MATERIAL - A method is provided for treating a tobacco material. The method comprises treating tobacco material with a combination of protease enzymes with different optimal operating conditions and adjusting the operating conditions during the enzyme incubation period. Also provided is a tobacco material which has been treated by such a method or a derivative thereof, and a smoking article which comprises a tobacco material treated by such a method. | 10-22-2015 |
20150296870 | TREATMENT OF TOBACCO MATERIAL - A method is provided for treating a tobacco material, wherein the method comprises treating the tobacco material with subcritical water. Also provided is a tobacco material which has been treated by such a method, or a derivative thereof, and a smoking article which comprises a tobacco material treated by such a method. | 10-22-2015 |
20150296872 | TREATMENT OF TOBACCO MATERIAL - A method is provided for treating a tobacco material, comprising treating the tobacco material with an ionic liquid. Also provided is a tobacco material which has been treated by such a method, or a derivative thereof, and a smoking article which comprises a tobacco material treated by such a method. | 10-22-2015 |
20150296873 | TREATMENT OF TOBACCO MATERIAL - A method is provided for treating a tobacco material, comprising treating the tobacco material by steam hydrolysis. Also provided is a tobacco material which has been treated by such a method, or a derivative thereof, and a smoking article which comprises a tobacco material treated by such a method. | 10-22-2015 |