Class / Patent application number | Description | Number of patent applications / Date published |
323364000 | INCLUDING AN IMPEDANCE | 34 |
20090322308 | Capacitor Based Transformer - A device for generating a voltage comprises first and second plates spaced apart from each other, for being charged at respective different potentials. A third plate is placed at a first distance from the first plate so as to form a first capacitor, and a first semiconductor element is connected between the third plate and the second plate. This voltage generating device produces an output voltage having an amplitude that is dependent upon the first distance and taken between the third and second plates. | 12-31-2009 |
20100013454 | CONTROLLABLE VOLTAGE REFERENCE DRIVER FOR A MEMORY SYSTEM - A voltage reference driver includes a voltage divider circuit with a voltage reference output node to output a voltage between a first voltage and a second voltage. The voltage reference driver also includes a first selectable impedance circuit coupled to a node at the first voltage and further coupled to the voltage reference output node, and a second selectable impedance circuit coupled to a node at the second voltage and further coupled to the voltage reference output node. Combinations of the first selectable impedance circuit and the second selectable impedance circuit are selectable such that a constant impedance is maintained at the voltage reference output node within a threshold value. | 01-21-2010 |
20100039093 | CIRCUIT FOR GENERATING INTERNAL VOLTAGE OF SEMINCONDUCTOR MEMORY APPARATUS - An internal voltage generating circuit of a semiconductor memory apparatus includes a control signal generating unit configured to enable one of a plurality of control signals in response to a calibration code; and a signal variable voltage distributing unit configured to determine a distribution ratio in response to one enabled control signal of the plurality of control signals and generate an internal voltage by distributing an external voltage at the determined distribution ratio. | 02-18-2010 |
20110031956 | HIGH-EFFICIENCY, SWITCHED-CAPACITOR POWER CONVERSION - Some embodiments of the present invention provide a system that efficiently converts between a lower input voltage and a higher output voltage. This system includes an input which receives the input voltage, and an output which provides the output voltage. The system also includes a first capacitor with a higher potential terminal and a lower potential terminal, as well as a first set of switching devices which selectively couple the higher potential and lower potential terminals of the first capacitor between the input voltage, the output voltage and a base voltage. The system additionally includes a resonant clocking circuit which generates clock signals with substantially non-overlapping clock phases, including a first phase and a second phase. This resonant clocking circuit is configured to control the first set of switching devices so that during the first phase, the higher potential terminal of the first capacitor is coupled to the input voltage and the lower potential terminal of the first capacitor is coupled to the base voltage, and during the second phase, the higher potential terminal of the first capacitor is coupled to the output voltage and the lower potential terminal of the first capacitor is coupled to the input voltage. | 02-10-2011 |
20110031957 | CONTROLLING POWER LOSS IN A SWITCHED-CAPACITOR POWER CONVERTER - The disclosed embodiments relate to a system that implements a switched-capacitor power converter which is configured to actively control power loss while converting an input voltage to an output voltage. This system includes one or more switched-capacitor blocks (SCBs), wherein each SCB includes a first capacitor and a set of switching devices configured to couple a constant-potential terminal and a time-varying-potential terminal of the first capacitor between the input voltage, the output voltage and a reference voltage. The system also includes a clocking circuit which produces gate drive signals for switching transistors in the one or more SCBs. The system additionally includes a controller configured to actively control the gate drive signals from the clocking circuit to substantially minimize the power loss for the switched-capacitor power converter. | 02-10-2011 |
20110043186 | METHOD FOR CONTROLLING A GRID VOLTAGE - The present invention relates to a method for controlling a voltage level of a power supply grid operationally connected to a source of electrical power, the method comprising the steps of determining a short circuit impedance of the power supply grid at a point of common coupling, calculating, using the determined short circuit impedance, a gain value of the power supply grid, and controlling the grid voltage level in accordance with the calculated gain value by applying said gain value as a gain parameter in a voltage controller. The method according to the present invention may be implemented as a method for configuring a voltage controller once and for all, or it may be implemented as a method for adaptively adjusting a gain of a voltage controller. | 02-24-2011 |
20110316521 | VARIABLE ADAPTER ID CIRCUIT - A first resistance ( | 12-29-2011 |
20120112732 | Capacitive Impedance Decoupling AC Power Controller - A capacitive impedance decoupling AC power controller comprising, a plurality of zero loss capacitors | 05-10-2012 |
20120169319 | VOLTAGE CONVERSION AND INTEGRATED CIRCUITS WITH STACKED VOLTAGE DOMAINS - A reversible, switched capacitor voltage conversion apparatus includes a plurality of individual unit cells coupled to one another in stages, with each unit cell comprising multiple sets of inverter devices arranged in a stacked configuration, such that each set of inverter devices operates in separate voltage domains wherein outputs of inverter devices in adjacent voltage domains are capacitively coupled to one another such that a first terminal of a capacitor is coupled to an output of a first inverter device in a first voltage domain, and a second terminal of the capacitor is coupled to an output of a second inverter in a second voltage domain; and wherein, for both the first and second voltage domains, outputs of at least one of the plurality of individual unit cells serve as corresponding inputs for at least another one of the plurality of individual unit cells. | 07-05-2012 |
20120187936 | SYSTEM AND METHOD FOR BIASING ANALOG CIRCUITRY IN A DISTRIBUTED POWER DELIVERY NETWORK FOR IMAGE SENSORS AND OTHER CIRCUIT STRUCTURES - A distributed power supply delivery network includes an analog biased circuit array having current sources for delivering current to adjacent circuits, and a resistive ladder of resistor elements, where each resistor element is disposed between adjacent current sources. A tuned IR voltage drop network is included to match voltage drops across the resistive ladder. The tuned IR voltage drop network includes series connected resistors and a static current draw to induce the IR drop. The resistors may be matched with respect to the distributed power supply delivery system. The current source providing the static current for the IR drop may be programmed based on the power supply delivery load, in order to adjust the voltage drop across the biasing delivery route and match the voltage drop in the referenced power supply. | 07-26-2012 |
20120212209 | Controlling Resistance For Inline Power Powered Device Detection - An apparatus and method are provided for controlling circuit resistance values used for detection of a device in an inline powered system. The system comprises a source device, either a current source or a voltage source, associated with an inline power device. The system also comprises a resistance control circuit comprising a transistor having an emitter, a base and a collector, and a first resistor coupled between the emitter and the collector. In response to the resistance control circuit receiving a relatively low current from the source device, the transistor is configured to be in an off state so that current from the source device flows through the first resistor have a value selected in order to maintain a sufficient resistance during an inline power device detection mode. | 08-23-2012 |
20130076335 | INTEGRATED CIRCUIT INCLUDING A VOLTAGE DIVIDER AND METHODS OF OPERATING THE SAME - An integrated circuit includes at least one FLASH memory array and at least one capacitor array disposed over a substrate. The at least one capacitor array includes a plurality of capacitor cell structures. The capacitor cell structures each includes a first capacitor electrode disposed over the substrate. A second capacitor electrode is disposed over the first capacitor electrode. A third capacitor electrode is disposed adjacent to first sidewalls of the first and second capacitor electrodes. A fourth capacitor electrode is disposed adjacent to second sidewalls of the first and second capacitor electrodes. | 03-28-2013 |
20130082678 | ELECTRONIC POWER CONDITIONER CIRCUIT - An electronic power conditioner circuit for use in an I EC 61 158 Fieldbus network comprising a series element, a capacitor and a resistor formed as a gyrator circuit, and a biasing circuit, in which said biasing circuit supplies a control voltage and/or current to a control terminal of the series element, and in which said biasing circuit is adapted to set said control voltage and/or current such that a voltage drop across the series element is maintained at a pre-determined level. | 04-04-2013 |
20130119970 | CONVERTER - A DC voltage source converter for use in high voltage DC power transmission comprising at least one chain-link converter connected between first and second DC terminals. The or each chain-link converter includes a chain of modules connected in series and each module including at least one pair of semiconductor switches connected in parallel with an energy storage device. The or each chain-link converter is operable when DC networks are connected to the first and second DC terminals to control switching of the modules to selectively charge or discharge the energy storage device of one or more of the modules, as required, to offset any difference in the DC voltage levels of the DC networks. | 05-16-2013 |
20130249529 | LOW FORWARD VOLTAGE RECTIFIER USING CAPACITIVE CURRENT SPLITTING - A Low Forward Voltage Rectifier (LFVR) circuit includes a bipolar transistor, a parallel diode, and a capacitive current splitting network. The LFVR circuit, when it is performing a rectifying function, conducts the forward current from a first node to a second node provided that the voltage from the first node to the second node is adequately positive. The capacitive current splitting network causes a portion of the forward current to be a base current of the bipolar transistor, thereby biasing the transistor so that the forward current experiences a low forward voltage drop across the transistor. The LFVR circuit sees use in as a rectifier in many different types of switching power converters, including in flyback, Cuk, SEPIC, boost, buck-boost, PFC, half-bridge resonant, and full-bridge resonant converters. Due to the low forward voltage drop across the LFVR, converter efficiency is improved. | 09-26-2013 |
20140159701 | ADAPTIVE VOLTAGE DIVIDER WITH CORRECTED FREQUENCY CHARACTERISTIC FOR MEASURING HIGH VOLTAGES - An adaptive voltage divider for measuring a high voltage between a ground terminal (GND) and a measurement terminal (U). It comprises a first branch comprising a first set of impedance elements (Z, R) forming a voltage divider circuit connected between the ground terminals (GND) and the measurement terminal (U) and a voltage meter (AD2) configured to measure voltage on one of the impedance elements (Z, R) of the first branch. Furthermore, it comprises a second branch comprising a second set of impedance elements (Q, P) connected between the ground terminal (GND) and the measurement terminal (U) and switchable between a plurality of configurations, wherein in at least one configuration the second set of impedance elements (Q, P) forms a voltage divider circuit, and voltage meters (AD1, AD3) configured to measure voltage on at least one of the impedance elements (Q, P) of the second branch. Moreover, a control circuit (DCSS) is configured to consecutively switch the configuration of the second branch between the plurality of configurations thereof, such that the relationships between the values of impedance elements (Z, R) of the first branch and the values of impedance elements (Q, P) of the second branch can be determined for consecutive configurations of the second branch as a function of the outputs of the voltage meters (AD1, AD2, AD3) and the total transmittance of the voltage divider can be determined at any instance as a function of the outputs of the voltage meters (AD1, AD2, AD3). | 06-12-2014 |
20140232370 | ELECTRONIC INDUCTANCE CIRCUIT FOR THE POWER SUPPLY OF A 2-WIRE BUS INTERCOM SYSTEM AND A DEVICE THEREOF - The present invention discloses an electronic inductance circuit for the power supply of a 2-wire bus intercom system and a device thereof. The electronic inductance circuit comprises a main circuit path along an inductor and a source terminal and a drain terminal of a FET between the input terminal and the output terminal of said electronic inductance circuit, in which said inductor is connected to said source terminal of said FET; a resistor and a freewheeling diode individually connected to said inductor in parallel; and a secondary circuit path along a capacitor connected with a second resistor in series between said input terminal and said output terminal, which is connected to said main circuit path in parallel. The solutions of the present invention achieve larger direct current power supply for the 2-wire intercom system and stable alternating current impedance with fast response to the DC power supply. | 08-21-2014 |
20140285176 | Power-Supply Circuit and Luminaire - According to one embodiment, there is provided a power-supply circuit including a substrate, a chopper circuit, a conductive member, first capacitative elements, and second capacitative elements. The substrate includes a mounting surface. The chopper circuit is provided on the mounting surface, includes input ends, output ends, and a switching element, and converts a voltage input from the input ends and outputs the voltage from the output ends according to switching driving of the switching element. The conductive member is adjacent to at least a part of the chopper circuit. The first capacitative elements are electrically connected between the input ends and the conductive member and capacitively couple the input ends and the conductive member. The second capacitative elements are electrically connected between the output ends and the conductive member and capacitively couple the output ends and the conductive member. | 09-25-2014 |
20140327426 | PULSE FORMING NETWORK (PFN) HAVING MULTIPLE CAPACITOR UNITS FOR FORMING A PULSE HAVING A MULTI-LEVEL VOLTAGE AND A METHOD OF FORMING SUCH A PULSE - A method of generating a patterned pulse. The method comprises charging a plurality of capacitor units with a plurality of charges, and sequentially coupling the plurality of charged capacitor units to at least one electrical regulator so as to allow delivering a regulated energizing pulse having a desired multi-level voltage waveform to a load. The electrical regulator is connected to a load. | 11-06-2014 |
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 and maximum gap. If this position is also close to the azimuthal angle where the rate of change of capacity is a maximum, then the highest rf power output possible for a given maximum allowable voltage at the minimum gap can be attained. This rf power output is then coupled to the generator load through a coupling condenser that prevents suppression of the dc charging potential by conduction through the load. Optimized circuit values produce phase shifts in the rf output voltage that allow higher power output to occur at the same voltage limit at the minimum gap position. | 12-18-2014 |
20150022179 | VOLTAGE TRANSFORMER HAVING A FIRST PARALLEL CONNECTION - A voltage transformer is described, which includes a. first parallel connection of a first capacitor having a number of N>=1 actuators connected in parallel having N-input voltages and N-input currents. A second capacitor is connected to the first parallel connection in series, the capacitor voltage being lower than or equal to the lowest input voltage of the actuators. | 01-22-2015 |
323368000 | Hall effect device or magnetoresistor | 1 |
20120112733 | Hall Effect Device - A Hall effect device includes a Hall element and a voltage regulator. The Hall element has first and second bias terminals, or nodes. The Hall effect device maintains, or regulates, a voltage at a point within the Hall element between the first and second bias terminals at about a constant voltage level, while generating a Hall effect voltage. In particular embodiments, the Hall effect voltage is, thus, prevented from substantially varying with the temperature of the Hall element. | 05-10-2012 |
323369000 | Thermistor or resistor | 12 |
20090295363 | Voltage Reference With Improved Linearity Addressing Variable Impedance Characteristics At Output Node - A voltage reference containing a programmable resistance portion at an output node at which an output reference voltage is provided. The desired magnitude of the programmable portion which provides optimum matching of an output resistance of the voltage reference and a series resistance of an output capacitor of the voltage reference is determined and hard-programmed. As a result, the output voltage of the voltage reference is provided with improved linearity. In an embodiment, the determination of the magnitude of the programmable portion is performed by providing an input to an analog to digital converter (ADC) with the voltage reference driving the ADC. The resistance setting corresponding to the third harmonic being less than a desired threshold is then hard-programmed. In an alternative embodiment, the programmable portion is set to specific resistance dynamically during operation. | 12-03-2009 |
20100156390 | Comparative Signal Strength Detection - A method for signal strength detection begins by comparing a signal strength representation of a signal with a signal strength representation of a reference signal. The method continues by adjusting, when the signal strength representation of the signal compares unfavorably with the signal strength representation of the reference signal, at least one of the signal strength representation of the signal and the signal strength representation of the reference signal until the signal strength representation of the signal compares favorably with the signal strength representation of the reference signal. The method continues by determining signal strength of the signal based on the adjusting of the signal strength representation of the signal and signal strength of the reference signal. | 06-24-2010 |
20100207600 | Variable-Electric-Power Self-Regulating Cable Exhibiting PTC Behaviour, Connector Therefor, a Device Comprising Them, and Use of Said Device - The present invention relates to a variable-electric-power self-regulating cable exhibiting PTC behaviour, to a specific connector therefor, to a device comprising said cable and said connector, and to the use of said device to generate variable electric power using a single cable. | 08-19-2010 |
20100327846 | SEMICONDUCTOR APPARATUS - Provided is a semiconductor apparatus including a divided voltage generation circuit that includes a first resistor element and a first transistor connected in series between a first power supply and a second power supply and generates a divided voltage by dividing a voltage difference between the first power supply and the second power supply with a resistance ratio of the first resistor element and the first transistor specified according to a level of a first current flowing to the first transistor, and a current control circuit that includes a second transistor that is connected in a mirror configuration to the first transistor and determines the level of the first current by a control current flowing from a first terminal to a second terminal, and increases and decreases the control current according to an increase and decrease in a voltage difference between the first power supply and a ground power supply. | 12-30-2010 |
20110084684 | SWITCHING OF RESISTOR EPI BIASING FOR REVERSED RESISTOR CONNECTION IN OFFSET ELEMENT CANCELLATION SYSTEM - A method of improving voltage detection accuracy and precision by employing a switchable resistor epi bias design, which consists of switches to control connection of resistor epi bias. By constantly maintaining the resistor epi bias to its own resistor terminal bias via switches, higher accuracy detection than conventional resistor bias method can be achieved. | 04-14-2011 |
20120038345 | POWER SUPPLY DEVICE - A power supply device for intrinsically safe power supply of an intrinsically safe load circuit includes a voltage source, a power-limiting circuit including at least two controllable semiconductor devices, a current-limiting circuit including at least one resistor, and a load circuit connector connected to the load circuit. The power-limiting circuit and the current-limiting circuit are active between the voltage source and the load circuit connector. The resistor includes a resistance value that suffices to limit a short circuit current to a current without danger of a spark ignition. | 02-16-2012 |
20120133353 | POWER-SUPPLY-VOLTAGE DETECTING CIRCUIT - A power-supply-voltage detecting circuit in an embodiment includes a compensation circuit and a switching element which controls ON-and-OFF of the signal output of the signal circuit. The compensation circuit has a positive temperature coefficient to balance out the negative temperature coefficient that the switching element has. | 05-31-2012 |
20130169263 | HIGH-VOLTAGE VOLTAGE DIVIDER AND CONNECTOR COMPRISING SAID DIVIDER - The present invention relates to a resistive voltage divider comprising a plurality n of resistive elements in a configuration wherein the angles m=n−1 between each pair of elements are between 180° and 10°, characterized in that the group of elements is supported by a dielectric the shape of which is such that it allows the creepage distance of the divider to be equal to or longer than the sum of creepage distances of the individual resistances. This arrangement allows a correct insulation of the device because it maintains the outer insulation since in the event of short-circuit the current will flow through the resistances and not through the support. | 07-04-2013 |
20130271109 | ELECTRONIC DEVICE WITH UNIVERSAL SERIAL BUS PORT - An electronic device includes a USB port and a voltage dividing circuit. The USB port includes a power pin and a ground pin, the power pin is connected to a voltage port. The voltage dividing circuit is connected between the voltage port and ground and is used to divide a voltage of the voltage port to a division voltage proportional to the voltage of the voltage port. The voltage dividing circuit is also connected to the ground pin of the USB port and provides the division voltage to the ground pin. | 10-17-2013 |
20160093423 | RESISTIVE VOLTAGE DIVIDER WITH HIGH VOLTAGE RATIO - A resistive voltage divider includes at least a first and a second resistor electrically connected in series. The resistors are made of an electrically resistive film material and each resistor is applied as a trace onto an insulating substrate. The divider's voltage ratio has a value between one hundred and one million. In order to achieve these high voltage ratios, a third resistor is electrically connected in parallel with the second resistor. The trace of the second and of the third resistor each overlap on one end at least in part with a first contacting terminal and on the respective other end at least in part with a second contacting terminal. A compact size of the divider is maintained by arranging the first and second contacting terminals in an interdigitated manner. | 03-31-2016 |
323370000 | With capacitor | 2 |
20110210716 | Electric Circuit for Reducing Energy Consumption - A system and method for improving the efficiency of an electrical circuit includes an electrical circuit including a first capacitor having a first and second terminal, and a second capacitor having a first and second terminal. A first resistor is connected to the first terminal of the first capacitor and a first terminal of the second capacitor. A second resistor is connected to a second terminal of the first capacitor and the second terminal of the second capacitor. A rheostat is connected to the first terminal of the first capacitor. A Zener diode is connected to the rheostat and the second terminal of the second capacitor. In some implementations, a power source is connected across at least one of the first terminal of the first capacitor and the first terminal of the second capacitor and the second terminal of the first capacitor and the second terminal of the second capacitor. | 09-01-2011 |
20120212210 | ELECTRIC CIRCUIT CONNECTED TO THERMAL SWITCH WITH THREE TERMINALS AND SWITCH CONNECTING METHOD - An electric circuit connected to a thermal switch with three terminals and a method for connecting the switch are realized. In an electric circuit | 08-23-2012 |