Electricity: power supply or regulation systems patents - Monitor Patents
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Electricity: power supply or regulation systems

Below 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.
  
12/18/2014 > 10 patent applications in 8 patent subcategories.

20140368172 - Igbt/fet-based energy savings device for reducing a predetermined amount of voltage using pulse width modulation: An IGBT/FET-based energy savings device, system and method wherein a predetermined amount of voltage below a nominal line voltage and/or below a nominal appliance voltage is saved, thereby conserving energy. Phase input connections are provided for inputting analog signals into the device and system. A magnetic flux concentrator senses the... Agent:

20140368173 - Power conversion apparatus: A power conversion apparatus includes first, second, third, and fourth switching elements. In a first period, the second and third switching elements are switched ON, and first and fourth switching elements are alternately switched ON/OFF. In a second period, the first and fourth switching elements are switched ON, and the... Agent: Fuji Electric Co., Ltd.

20140368174 - Audio frequency deadband system and method for switch mode regulators operating in discontinuous conduction mode: A controller for controlling operation of a switching regulator including a modulator, a discontinuous conduction mode (DCM) controller, an audible DCM (ADCM) controller, and a sub-sonic discontinuous conduction mode (SBDCM) controller. The modulator generally operates in a continuous conduction mode. The DCM controller modifies operation to DCM during low loads.... Agent:

20140368175 - High precision dc to dc converter with wide load range and gate drive circuit for use therein: A high precision DC/DC resonant converter with a wide load range includes a first switch leg having one end connected to an anode terminal of a DC power source and the other connected to a cathode terminal of the DC power source to independently operate at a switching frequency used... Agent: Korea Electrotechnology Research Institute

20140368176 - Generating a root of an open-loop freqency response that tracks an opposite root of the frequency response: In an embodiment, an electronic includes a feedback-coupled circuit stage and a compensation circuit stage. The feedback-coupled stage is configured to drive a load, and the compensation stage is coupled to the feedback-coupled stage such that a combination of the compensation and feedback-coupled stages has a frequency response including a... Agent:

20140368177 - Voltage adjustment system: A voltage adjustment system includes an adjust module, a control module, and a load module. The adjust module includes a voltage converting unit which includes a buck converter and an inductor. The control module includes a first resistor, a second resistor, and a variable resistance unit. The load module is... Agent: Hon Hai Precision Industry Co., Ltd.

20140368178 - Voltage regulator: Provided is a voltage regulator that uses an NMOS transistor as an output transistor and is low in power consumption. The voltage regulator includes an output transistor formed of an NMOS transistor, and a voltage drop circuit connected between a drain of the output transistor and a power supply.... Agent: Seiko Instruments Inc.

20140368179 - Power supply device: A power supply device may include: a standby power unit converting a direct current (DC) voltage to an operating voltage and a first standby voltage and providing the first standby voltage to a standby output terminal; a DC/DC converting unit receiving the operating voltage from the standby power unit, converting... Agent:

20140368180 - Reference voltage generator and voltage generating system having the same: A reference voltage generator includes a constant voltage generator suitable for using a high voltage as a first power supply voltage and for generating a constant voltage, and a first reference voltage generating unit suitable for using the constant voltage as a second power supply voltage and for generating a... Agent: Sk Hynix Inc.

20140368181 - Technique for enhancing the power output of an electrostatic generator employing parametric resonance: A circuit-based technique enhances the power output of electrostatic generators employing an array of axially oriented rods or tubes or azimuthal corrugated metal surfaces for their electrodes. During generator operation, the peak voltage across the electrodes occurs at an azimuthal position that is intermediate between the position of minimum gap... Agent:

  
12/11/2014 > 8 patent applications in 7 patent subcategories.

20140361754 - Analog input output linearization control: A voltage converter for converting an input voltage to an output voltage is disclosed. The voltage converter includes a voltage converter circuit having a set of switches, a switch driver connected to the voltage converter circuit, a controller connected to the switch driver and the output voltage, a target output... Agent: The Board Of Regents, The University Of Texas System

20140361755 - Dc to dc converters, pwm controllers, and inductor current emulation circuits therefor: DC to DC converters and pulse width modulation controllers are presented with compensation circuitry to mitigate discontinuous conduction mode (DCM) undershoot and continuous conduction mode offsets in inductor current emulation information by providing compensation signals proportional to the output voltage and the converter off time (Toff) when the low side... Agent: Texas Instruments Incorporated

20140361757 - Control apparatus for voltage converting apparatus: A control apparatus (30) for a voltage converting apparatus controls a voltage converting apparatus (12) configured to realize one-arm drive by alternatively switching on first and second switching elements (Q1, Q2). The control apparatus for the voltage converting apparatus is provided with: a switching control signal generating device configured to... Agent: Toyota Jidosha Kabushiki Kaisha

20140361756 - Power supply circuit: Power supply circuit includes a voltage converting circuit and a comparing circuit. The voltage converting circuit includes a PWM controller and a plurality of transistors connected therewith. The voltage converting circuit is configured to switch on or off the plurality of transistors alternately and outputting a voltage signal with a... Agent: Hon Hai Precision Industry Co., Ltd.

20140361758 - Power supply circuit: A power supply circuit has: an input terminal; an output terminal; and a digital power supply circuit and an analog power supply circuit connected in parallel between the input terminal and the output terminal. Further desirably, the analog power supply circuit is a circuit that the minimum resistance value of... Agent: Hitachi, Ltd.

20140361759 - Bootstrap driving circuit without extra power supply: The present invention provides a bootstrap driving circuit without extra power supply, which circuit includes a power unit, a switching unit, a bootstrap unit, a drive unit; the power unit is used to output a direct voltage; the switching unit is connected with the power unit, to control the turn-on... Agent: Shanghai Ruking Electronics Co., Ltd.

20140361760 - Voltage regulation circuits and power supply devices using the same: A voltage regulation circuit is provided. The voltage regulation circuit regulates a level of a supply voltage provided by an automotive battery. The voltage regulation circuit includes a selector and an error amplifier. The selector receives a plurality of predetermined voltages and selects one of the plurality of predetermined voltages... Agent:

20140361761 - Ac/dc current transformer: A method for processing output from a current transformer comprising deriving signal data from the output; converting the signal data from analog to digital format; removing a carrier signal from the signal data; squaring the signal data; and performing a recursive RMS algorithm on the signal data.... Agent: Littelfuse, Inc.

  
12/04/2014 > 16 patent applications in 10 patent subcategories.

20140354245 - System, a method and a computer program product for controlling electric power supply: A method for controlling electric power supply, the method comprising: (a) controllably down converting by a step-down power converter entry voltage from a power source and preventing up-conversion by a step-up power converter, substantially when the entry voltage is larger than a measured exit voltage and is in compliance with... Agent: Elta Systems Ltd.

20140354246 - Bridgeless pfc power converter with high efficiency: A bridgeless PFC boost converter has two auxiliary transistor switches coupled to an input AC voltage source and two boost inductors coupled to opposing ends of the input AC voltage source. A first boost inductor is coupled to a junction node of a first rectifying diode and a first transistor... Agent: Flextronics Ap, LLC

20140354247 - Bridgeless pfc power converter with reduced emi noise: A bridgeless PFC boost converter has either a single switching cell or two identical switching cells configured to operate 180 degrees out of phase. A switching cell includes first and second transistor switches coupled to opposing ends of an input AC voltage source, and first and second rectifying diodes, one... Agent: Flextronics Ap, LLC

20140354248 - Method for controlling multilevel converter: The present disclosure provides a method for controlling a multilevel converter, the method including, detecting modulation state values and current directions of sub-modules, and designating, by one sub-module, an average number of switching for each period of an output waveform, wherein the step of designating the average number of switching... Agent: Industry-academic Cooperation Foundation, Yonsei University

20140354250 - High efficient control circuit for buck-boost converters and control method thereof: A controller used in a buck-boost converter includes a clock generator, an error amplifying circuit, a comparing circuit, a proportional sampling circuit, a logic circuit, a pulse width increasing circuit, first and second driving circuits. Based on a clock signal generated by the clock generator, the proportional sampling circuit samples... Agent: Chengdu Monolithic Power Systems Co., Ltd.

20140354251 - Multiple output dual-polarity boost converter: A dual-polarity multiple-output boost converter that includes an inductor coupled in series between a high-side switch and a low-side switch. A first terminal of the inductor is coupled to an output of the high-side switch and the second terminal of the inductor is coupled to an input of the low... Agent:

20140354249 - Voltage regulator: Provided is a voltage regulator having satisfactory transient response characteristics. The voltage regulator includes: a first amplifier for detecting that undershoot occurs in an output voltage; a second amplifier for detecting that overshoot occurs in the output voltage; a first constant current circuit for increasing a bias current of an... Agent: Seiko Instruments Inc.

20140354252 - Apparatus providing an output voltage: Apparatuses and methods are provided where a predefined voltage may be applied in a feedback circuit of a voltage regulator, the feedback circuit coupling and output terminal with an adjust terminal of the voltage regulator.... Agent:

20140354253 - Power conversion circuit and electronic device with the same: A power conversion circuit includes an input port, an output port, a power conversion chip, a path switch, and a protection module. The input port is electrically connected to a power source and the output port is electrically connected to a function module. The power conversion chip includes a voltage... Agent: Hon Hai Precision Industry Co., Ltd.

20140354254 - Power converter: A series circuit of a diode Da1, capacitors Ca1, Ca2 and a diode Da2 is connected in parallel to a series circuit of switching elements S1 and S2. A common junction between the capacitors Ca1 and Ca2 is connected to an emitter of the switching element S2. A series circuit... Agent: Denso Corporation

20140354255 - System, method and apparatus for controlling converters using input-output linearization: A system, method and apparatus for controlling boost and buck-boost converters using input-output linearization and leading-edge modulation is provided. The controller includes a summing circuit connected to the converter to create a third voltage representing a difference between the first voltage and the second voltage. A gain circuit is connected... Agent: The Board Of Regents, The University Of Texas System

20140354256 - Switch-mode power supply, charging current source and associated method: A switch-mode power supply includes a converter, a controller and a charging current. The charging current includes a logic circuit, a first current source and a second current source, to generate a charging current proportional to an input voltage of the switch-mode power supply, and also to generate a logic... Agent: Chengdu Monolithic Power Systems Co., Ltd.

20140354257 - Discrete narrow-band switching frequency avoidance of a switch mode power converter: The switching frequency of a switch mode PFM power converter is compared with a predetermined frequency range that contains the operating frequency of a nearby clocked sub-system. In response to the switching frequency coming into the range, a parameter of the power converter is changed from an original value, so... Agent:

20140354258 - Supply voltage circuit: A method includes using a charge pump to receive a first supply voltage and generate a voltage in response thereto. The method includes using the voltage generated by the charge pump to bias a supply voltage circuit to generate a second supply voltage. The second supply voltage is greater than... Agent:

20140354259 - Bandgap reference voltage generating circuit and electronic system using the same: A bandgap reference voltage generating circuit for providing a reference voltage is disclosed. The bandgap reference voltage generating circuit includes four-terminal current source circuit, a regulator circuit and a temperature-compensating circuit. The four-terminal current source circuit outputs a first voltage, a second voltage and a first current which are independent... Agent: Advanced Semiconductor Engineering Inc.

20140354260 - Integrated circuit: An integrated circuit includes a node setting block connected to a reference node and suitable for setting a voltage level of the reference node to a reference voltage level, a plurality of control voltage generation units connected in series to a reference node and suitable for generating a plurality of... Agent: Sk Hynix Inc.

  
11/27/2014 > 12 patent applications in 7 patent subcategories.

20140347020 - Method and arrangement for feeding electrical power from a wind energy installation into an ac voltage system: Electrical power is fed from a wind energy installation into an AC voltage system via an energy transmission path, which is delimited by an installation-side transformer and a system-side transformer. A power factor correction device is connected, at a common node between the energy transmission path and the AC voltage... Agent: Siemens Aktiengesellschaft

20140347021 - Sampling negative coil current in a switching power converter and method thereof: An electronic circuit and method for sampling negative coil current in a power converter includes a zero crossing detector and a sample-and-hold circuit. A switch determines whether a charging or discharging current is flowing through a coil.... Agent:

20140347022 - Voltage regulator: Provided is a voltage regulator capable of accurately adjusting a tail current of a differential amplifier circuit without adding a test terminal. The voltage regulator includes: a constant current circuit for causing the tail current of the differential amplifier circuit to flow; a protection circuit; a current output circuit for... Agent: Seiko Instruments Inc.

20140347023 - Semiconductor integrated circuit: A reference power supply is built into a semiconductor integrated circuit, receives an input voltage VDD, and supplies an internal power supply voltage VREG to a second power supply line. The reference power supply comprises (i) a current source which generates a bias current, and (ii) a reference voltage circuit... Agent: Rohm Co., Ltd.

20140347028 - Boost regulator incorporating peak inductor current modulation: A boost switching regulator incorporates a peak inductor current modulation circuit to modulate the peak inductor current as a function of the load current, the input voltage, the regulated output voltage, and a fixed current value. In this manner, the switching frequency of the boost regulator can be maintained above... Agent:

20140347026 - Circuit for voltage regulation: A voltage regulator circuit is provided that includes a pass circuit including a field effect transistor (FET) having a gate coupled to the output of a comparison circuit. The comparison circuit is configured to provide a signal to the pass circuit that is based on a comparison of a first... Agent: Nxp B.v.

20140347024 - Current divider for extended current measurement: A power controller controls power to a load and includes a primary conductor, a current divider, first and second current sensors, and a controller. The primary conductor carries a primary current to the load. The current divider is connected between the primary conductor and the load and includes a first... Agent:

20140347029 - Dc-dc converter with circuit for reproducing a current flowing through a storage inductor: p

20140347025 - Integrated voltage regulator substrate system and methods having a coupled-magnetic-core inductor: An integrated voltage regulator substrate or interposer system includes a control system and coupled-magnetic-core inductors. The control system is integrated within a package. The coupled-magnetic-core inductors are integrated in the package. The control system is configured to utilize the coupled-magnetic-core inductors to generate a selected regulated voltage for drastically electrical... Agent: Taiwan Semiconductor Manufacturing Co. Ltd.

20140347027 - Optimal ripple injection for a boost regulator: A boost switching regulator incorporates a ripple injection circuit to generate a voltage ripple signal for feedback control that mimics the actual ripple signal of the regulated output voltage. In this manner, the ripple injection circuit achieves optimal ripple injection for stable and enhanced feedback control. In one embodiment, the... Agent:

20140347030 - Ramp circuit and direct current (dc)- dc converter thereof: Provided are a ramp circuit and a DC-DC converter. The ramp circuit generates a current flowing in a resistor using voltages affected by an output voltage and an input voltage of a DC-DC converter, and generates a ramp signal through copying of the current and charging and discharging of a... Agent: Magnachip Semiconductor, Ltd.

20140347031 - Control device for a dc-dc converter: A control device for a dc-dc converter. The control device is designed for an increase and a decrease in the output power of the dc-dc converter, and the increase in the output power occurs at a different speed than the decrease.... Agent:

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