|Electric power conversion systems patents - Monitor Patents|
USPTO Class 363 | Browse by Industry: Previous - Next | All |
09/2011 | Recent | 15: Apr | Mar | Feb | Jan | 14: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 13: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 12: Dec | Nov | Oct | Sep | Aug | July | June | May | April | Mar | Feb | Jan | 11: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 10: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | | 09: Dec | Nov | Oct | Sep | Aug | Jl | Jn | May | Apr | Mar | Fb | Jn | | 2008 | 2007 |
Electric power conversion systems September class, title,number 09/11Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 09/29/2011 > 18 patent applications in 15 patent subcategories. class, title,number
20110235367 - Dc to dc converter: A DC to DC converter includes an input terminal, an output terminal, first and second switches, an inductor, a smoothing unit, a first impedance element, a first resistor element, an operational amplifier and a control unit. The first switch is connected to the input terminal. The second switch is connected... Agent:
20110235369 - Synchronous rectifier post regulator: Methods and apparatus for regulating a synchronous rectifier DC-to-DC converter by adjusting one or more existing synchronous rectifiers in the converter are provided. By regulating an existing synchronous rectifier, the rectifier may function as a modulator for post regulation over a limited range of output voltages suitable for load regulation,... Agent:
20110235368 - System and method for conversion of high voltage ac to low voltage dc using input voltage gating: A method and apparatus for conversion of high voltage AC to low voltage high current DC without using high voltage capacitors or transformers. A single switch is used to perform both the functions of pre-regulation and switching conversion. An input voltage detector determines when the input power AC is below... Agent: Smartsynch, Inc.
20110235370 - High efficiency power converter: A power converter nearly losslessly delivers energy and recovers energy from capacitors associated with controlled rectifiers in a secondary winding circuit, each controlled rectifier having a parallel uncontrolled rectifier. First and second primary switches in series with first and second primary windings, respectively, are turned on for a fixed duty... Agent: Synqor, Inc.
20110235371 - Constant-current circuit capable of voltage compensation and zero-voltage switching: The present invention is to provide a constant-current circuit capable of voltage compensation and zero-voltage switching, wherein the constant-current circuit is a single-switch isolated flyback converter and includes a control circuit, a sensing resistor, a transformer, a voltage divider, and a primary-side power switch. The control circuit obtains information related... Agent: Skynet Electronic Co., Ltd.
20110235372 - Systems and methods for scaling a signal in a power factor correction circuit: Systems and methods for scaling a current signal in a power factor correction circuit are disclosed. An exemplary method may include providing a power factor correction circuit for a power supply, the power factor correction circuit having a first current sensing resistor connected on a return path to a rectified... Agent:
20110235373 - Active switching ripple filter: An active switching ripple filter system removes ripple currents from a power signal and has a main inverter and an active switching ripple filter inverter whose outputs are combined to form an output power signal.... Agent:
20110235374 - Stored energy dissipating circuits and methods for switched mode power supplies: A circuit includes a detector configured to detect a state of a power supply including an energy storage component and to generate a control signal responsive to the state of the power supply, a dissipating component, and a switch configured to controllably couple the dissipating component to the energy storage... Agent:
20110235375 - Apparatus having a converter: A device has a converter which is connected to a direct voltage circuit through a short-circuit protection unit. The short-circuit protection unit is arranged at least partially in the direct voltage circuit and is provided in the direct voltage circuit to suppress short-circuit current flowing through the converter. The device... Agent: Siemens Aktiengesellschaft
20110235376 - Multi-level parallel phase converter: A multi-level parallel phase power converter has a power source, a converter, and an electrical node. The converter includes multiple converter modules. Each of the converter modules has multiple multi-level power converters, a poly-phase interphase inductor, and a set of poly-phase power summing connections. The summed power of each of... Agent:
20110235377 - Circuit and method for generating an ac voltage from a plurality of voltage sources having a temporally variable dc output voltage: A circuit comprising at least one parallel-connected partial circuit for feeding at least one inverter circuit. A partial circuit consists of an unregulated voltage source having a temporally varying DC output voltage, a voltage doubling circuit and a voltage regulating circuit with an associated regulating device. In the inventive method,... Agent: Semikron Elektronik Gmbh & Co. Kg
20110235378 - Power supply system for electronic device: A power supply system includes an AC power source, a converter, a relay switch, and a waveform monitoring circuit. The AC power source provides an AC voltage. The converter is capable of converting the AC voltage into a DC voltage. The relay switch is connected between the AC power source... Agent: Hon Hai Precision Industry Co., Ltd.
20110235379 - Current sharing power system: A power system controller includes multiple channels and each channel has a current sharing controller that is coupled to a shared current signal bus and a shared voltage signal bus.... Agent:
20110235381 - Activation of a synchronous rectifier: A rectifier bridge circuit is described for rectifying the phase voltage generated by a generator, including a positive half-bridge having multiple rectifier elements and a negative half-bridge having multiple rectifier elements. The rectifier elements each have a controllable switch having a diode connected in parallel. A control circuit is provided... Agent:
20110235380 - Power conversion: Exemplary embodiments are directed to power conversion. A device may include a controllable switch coupled between an AC network and a DC network. The device may further include control circuitry configured to modify a configuration of the switch based on a detected difference between a reference signal and an output... Agent: Qualcomm Incorporated
20110235383 - Frequency synchronizing method for discharge tube lighting apparatus, discharge tube lighting apparatus, and semiconductor integrated circuit: An oscillator generates a triangular wave signal whose inclination for charging a capacitor and inclination for discharging the same are the same and which is used to turn on/off FETs Qp1 and Qn1. A signal generation part generates first drive signal in a period shorter than a half period of... Agent: Sanken Electric Co., Ltd.
20110235382 - High voltage inverter device: The high voltage inverter device receives, as an input voltage, a DC voltage or a voltage within Safety Extra Low Voltage composed of a DC component with a pulsating flow superposed thereon. The input voltage is switched by a switching element to pass an exciting current to excitation windings on... Agent: Tohoku Ricoh Co., Ltd.
20110235384 - Power converter and power conditioner: A power converter enhances conversion efficiency from DC power to AC power. A first chopper circuit chops DC voltage from a photovoltaic panel at a system frequency producing a first square-wave whose voltage level changes positively. A second chopper circuit chops the first square-wave at a frequency double the system... Agent: Omron Corporation09/22/2011 > 16 patent applications in 15 patent subcategories. class, title,number
09/15/2011 > 15 patent applications in 14 patent subcategories. class, title,number
09/08/2011 > 12 patent applications in 10 patent subcategories. class, title,number
09/01/2011 > 13 patent applications in 11 patent subcategories. class, title,number
Previous industry: Illumination
Next industry: Static information storage and retrieval
RSS FEED for 20150521:
Integrate FreshPatents.com into your RSS reader/aggregator or website to track weekly updates.
For more info, read this article.
Thank you for viewing Electric power conversion systems patents on the FreshPatents.com website. These are patent applications which have been filed in the United States. There are a variety ways to browse Electric power conversion systems patent applications on our website including browsing by date, agent, inventor, and industry. If you are interested in receiving occasional emails regarding Electric power conversion systems patents we recommend signing up for free keyword monitoring by email.