...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Application No. | Application Title | Issue Date |
| 20120126739 | METHOD AND DEVICE FOR CONTROLLING INDUCTIVE LOADS Control circuitry for inductive loads comprehending a DC power source (DC), electrical switches (A and R) and appropriate electrical conductors to direct current to an inductive load, as the control system includes a primary circuit and a secondary circuit which is part... | 05/24/2012 |
| 20120105018 | METHOD AND APPARATUS FOR IMPLEMENTING A POWER CONVERTER INPUT TERMINAL VOLTAGE DISCHARGE CIRCUIT A switch is coupled to a control circuit and to an input of a power converter. The control circuit is coupled to drive the switch in a first operating mode to transfer energy from the input to an output of the power converter when an electrical energy source is coupled ... | 05/03/2012 |
| 20120038224 | CIRCUIT ARRANGEMENT AND METHOD FOR SUPPLYING A HIGH-POWER FUNCTIONAL COMPONENT WITH HIGH-VOLTAGE PULSES A circuit arrangement for supplying a high-power functional component with high-voltage pulses, having two input terminals for applying an input voltage, two output terminals for connection to a high-voltage terminal contacts of the high-power functional component, a pl... | 02/16/2012 |
| 20120038223 | POWER SUPPLY SYSTEM AND FIXED AND MOVABLE BODY THEREFOR Provided is a power supply system which makes it possible to stably supply power regardless of changes in placement of electrodes. The power supply system for supplying power to a load (24). The fixed body (10) includes: a first power-transmitting electrod... | 02/16/2012 |
| 20120024064 | TECHNIQUES FOR APPROXIMATING A DIFFERENCE BETWEEN TWO CAPACITANCES A system includes a capacitance adjustment module and a control module. The capacitance adjustment module is configured to connect one or more of N capacitors in parallel with one of a first and second capacitance. The control module identifies the smaller of the first ... | 02/02/2012 |
| 20120001683 | VOLTAGE LEVEL SHIFT CIRCUITS AND METHODS In one embodiment, the present invention includes a charge pump circuit. The charge pump circuit comprises a plurality of terminals, a plurality of switches for selectively coupling the plurality of terminals, and a control circuit. A first input terminal receives a fir... | 01/05/2012 |
| 20110304221 | VOLTAGE MULTIPLYING CIRCUIT A voltage multiplying circuit comprising: a first capacitor, comprising a first terminal and a second terminal, wherein the first terminal of the first capacitor is selectively coupled to a first voltage or a second voltage, and the second terminal is selectively couple... | 12/15/2011 |
| 20110298434 | HIGH VOLTAGE SYNCHRONOUS RECTIFIER CONTROLLER A power supply may comprise a pulse-width-modulation (PWM) controller; a synchronous rectifier having a forward metal oxide field effect transistor (MOSFET) and a catch MOSFET; a forward gate driver; a catch gate driver; and the PWM controller connected so that a low ou... | 12/08/2011 |
| 20110278952 | CAPACITIVE DC-DC CONVERTER A charge-pump capacitive DC-DC converter (200) is disclosed, which includes a reconfigurable charge-pump capacitor array. The DC-DC converter is configured to provide a continuously variable ratio between its input voltage (Vin) and its output voltage ... | 11/17/2011 |
| 20110234016 | CAPACITOR, INTEGRATED DEVICE, RADIO FREQUENCY SWITCHING DEVICE, AND ELECTRONIC APPARATUS According to one embodiment, a capacitor includes a substrate, a first electrode, a second electrode, and a first dielectric portion. The substrate includes an insulating layer and a semiconductor layer provided on the insulating layer. The semiconductor layer includes ... | 09/29/2011 |
| 20110227422 | DC Capacitor Balancing Methods and devices for balancing voltages of capacitors in an electronic circuit are provided. The device includes a chopper circuit having a chopper inductor. Further, the chopper circuit may detect voltages across capacitors as well as an output current of the electr... | 09/22/2011 |
| 20110227666 | METHOD AND APPARATUS FOR ADAPTING A VARIABLE IMPEDANCE NETWORK The present disclosure may include, for example, a tunable capacitor having a decoder for generating a plurality of control signals, and an array of tunable switched capacitors comprising a plurality of fixed capacitors coupled to a plurality of switches. The plurality ... | 09/22/2011 |
| 20110221398 | Impedence Balancer An impedance balancer for power cell balancing using changes in impedance is provided. The apparatus may include a rail capacitor that is switchably connected to a first capacitor and switchably connected to a second capacitor. The first capacitor may also be switchably... | 09/15/2011 |
| 20110215654 | Switchable Capacitor Arrays for Preventing Power Interruptions and Extending Backup Power Life A technique for preventing power interruptions and extending backup power life is provided. The technique automatically prevents power interruptions in a line between a power source and a load. The technique can also extend the operating life of the power source. In one... | 09/08/2011 |
| 20110204724 | Dual Output Direct Current (DC)-DC Regulator An apparatus includes a first switch coupled to a first voltage reference and a second switch coupled to a second voltage reference. A third switch is coupled to a first terminal of a first capacitor and a first terminal of a second capacitor. A fourth switch is coupled... | 08/25/2011 |
| 20110169340 | 2-PHASE THRESHOLD DETECTOR BASED CIRCUITS A switched capacitor circuit includes a threshold detector to generate a threshold detection signal when a difference between first and second input signals crosses a predetermined level. A variable current source produces a varying amount of current in response to the ... | 07/14/2011 |
| 20110163612 | LOAD DEVICES WITH LINEARIZATION TECHNIQUE EMPLOYED THEREIN A load device has tunable capacitive units including at least a first tunable capacitive unit and a second tunable capacitive unit with different inherent capacitive characteristics, respectively. Each of the first tunable capacitive unit and the second tunable capaciti... | 07/07/2011 |
| 20110127849 | HIGH-POWER TUNABLE CAPACITOR A tunable capacitor device may be provided in accordance with example embodiments of the invention. The tunable capacitor device may include a first capacitor; a second capacitor; a third capacitor, where the first, second, and third capacitors are connected in series, ... | 06/02/2011 |
| 20110115304 | POWER SUPPLY STRUCTURE OF PRINTER A power supply structure of printer has a power supply circuit outputting regular power for printing, and an auxiliary charging circuit having a plurality of farad grade super capacitors collaborated with a voltage-stabilized charging loop to supply power with high tran... | 05/19/2011 |
| 20110101907 | GROUNDING SYSTEM AND APPARATUS A grounding system for a semiconductor module of a variable speed drive includes a first conductive layer, a second conductive layer; a substrate disposed between the first conductive layer and the second conductive layer; and a base attached to the second conductive la... | 05/05/2011 |
| 20110090024 | Switched Capacitor Array Having Reduced Parasitics A switched capacitor includes a capacitor and a switch. The capacitor is coupled between a p-node and an n-node and includes interleaved p-fingers and n-fingers. A number of the p-fingers is greater than a number of the n-fingers. The switch is coupled between the n-nod... | 04/21/2011 |
| 20110074221 | ELECTRONIC DEVICE FOR REGULATING A VARIABLE CAPACITANCE OF AN INTEGRATED CIRCUIT The present disclosure relates to an electronic regulation device of a variable capacitance of an integrated circuit having a time parameter depending on the variable capacitance. The regulation device includes a regulation loop, and is configured to generate in output ... | 03/31/2011 |
| 20110074220 | SEMICONDUCTOR DEVICE AND RADIO COMMUNICATION DEVICE To provide a fast charge means for a capacitor in a negative bias generation circuit. A capacitor is present in a down converter in a negative bias generation circuit. In order to perform fast charge, the capacitance of the capacitor is reduced and a necessary amount of... | 03/31/2011 |
| 20110049999 | CIRCUIT FOR CONTROLLING A TUNING GAIN OF A VOLTAGE CONTROLLED OSCILLATOR A circuit is provided that includes a first variable capacitance circuit receiving a first voltage, at least one selectable capacitor bank circuit coupled to the first variable capacitance circuit, at least one multiplexer, the at least one multiplexer coupled to at lea... | 03/03/2011 |
| 20110043037 | NANOSTRUCTURED HIGH SURFACE AREA ELECTRODES FOR ENERGY STORAGE DEVICES High surface area electrodes are described here. The electrodes comprise a conductive substrate and a mesh of nanostructures disposed on the conductive substrate. The nanostructures are coated with conductive or semiconducting nanoparticles to form a high surface area e... | 02/24/2011 |
| 20110031818 | CIRCUIT INSTALLATION CAPABLE OF FULL VOLTAGE ACTIVATION, DIVISION VOLTAGE OPERATION AND DELAYED BREAKING A circuit installation that executes full voltage activation, division voltage operation, and delayed breaking brake to electric load by increasing the power to the load activated to promote its activation performance or reducing operation power in the course of operati... | 02/10/2011 |
| 20110025278 | METHOD AND APPARATUS FOR IMPLEMENTING A POWER CONVERTER INPUT TERMINAL VOLTAGE DISCHARGE CIRCUIT A circuit to discharge a capacitance between input terminals of a power system is disclosed. An example circuit includes a control circuit coupled to an input of a power system. The control circuit is coupled to detect whether an electrical energy source is coupled to a... | 02/03/2011 |
| 20110001518 | OPERATING A SWITCHED-CAPACITOR CIRCUIT WITH REDUCED NOISE Techniques for operating a switched-capacitor circuit to reduce input and feedback dependence and/or reduce reference modulation. A switched-capacitor circuit can be operated in four phases. In a first phase at a start of a cycle, the capacitor is charged/discharged by ... | 01/06/2011 |
| 20110001363 | SWITCHING DEVICE AND METHOD FOR OPERATING SAME A method for operating a switching device and a device for use with the method are provided. In at least one embodiment, an energy storage medium provided for EMC considerations, in particular a capacitor, is energized in a controlled fashion through short-term activati... | 01/06/2011 |
| 20100328119 | SWITCHED-CAPACITOR CIRCUIT HAVING A CAPACITOR ARRAY CIRCUIT, AND ANALOG-TO-DIGITAL CONVERTER USING SAID SWITCHED-CAPACITOR CIRCUIT A capacitor array circuit receives a plurality of input signals, generate a single output signal by combining the plurality of input signals, and output the single output signal. A comparator receives the output signal of the capacitor array circuit. A current source, w... | 12/30/2010 |
| 20100328040 | ELECTRONIC CIRCUIT WITH CAPACITOR An electronic circuit comprising a circuit module, a capacitor connected to the circuit module and a shutdown line providing a shutdown signal to the circuit module for suspending the circuit module. The electronic circuit further comprises a switching module for switch... | 12/30/2010 |
| 20100308663 | ISOLATING FAULTY DECOUPLING CAPACITORS The present invention generally provides a decoupling capacitor circuit that is configured to determine whether a decoupling capacitor is defective. Upon determining that the decoupling capacitor is defective, the decoupling capacitor circuit may disconnect the decoupli... | 12/09/2010 |
| 20100295379 | SYSTEM AND METHOD FOR SUPPLYING POWER TO A LOAD An apparatus for supplying power to a bursty or highly dynamic load. The apparatus includes a first circuit for supplying charge to the load at a first voltage, and a second circuit for replenishing the charge depleted from the first circuit, wherein the second circuit ... | 11/25/2010 |
| 20100264751 | FILTER CIRCUIT AND COMMUNICATION APPARATUS A filter circuit according to the present invention includes a voltage-current conversion unit that converts a voltage signal input to an input end to a current signal, a capacitor group that is made up of a plurality of capacitors, where the current signal output from ... | 10/21/2010 |
| 20100264991 | SWITCHED CAPACITOR VOLTAGE CONVERTER FOR A POWER AMPLIFIER A voltage converter includes a plurality of capacitors and corresponding first switch elements, the capacitors coupled in series and arranged to each charge to a voltage level during a first clock period, the voltage level determined by a supply voltage level, the numbe... | 10/21/2010 |
| 20100244585 | HIGH-TEMPERATURE CAPACITORS AND METHODS OF MAKING THE SAME High-temperature, multiple-layer polymer (MLP) capacitors with a stacked electrode arrangement are disclosed. The capacitor electrodes are separated by a polymer dielectric that is stable at high temperatures. In some embodiments, the polymer dielectric also has a high ... | 09/30/2010 |
| 20100226049 | Systems and Methods for Protecting a Series Capacitor Bank Systems and methods for protecting a series capacitor bank are provided. According to one exemplary embodiment of the invention, there is disclosed a capacitor protection circuit. The capacitor protection circuit may include a capacitor bank, a pilot circuit and a main ... | 09/09/2010 |
| 20100207460 | Apparatus and method for motor driven appliance energy conservation An apparatus and method for substantially reducing the electrical energy consumption of a.c. induction motor-driven appliances by connecting a database predetermined capacitance in parallel with the motor-driven appliances and connecting a database predetermined inducta... | 08/19/2010 |
| 20100188059 | CIRCUIT DEVICE An insulating resin layer (30) is formed on a metal substrate (20), and a wiring is formed on the insulating resin layer (30). A circuit composed of a circuit element (50) and a passive element (60) is formed on the wiring (40),... | 07/29/2010 |
| 20100176660 | GALVANIC ISOLATOR A galvanic isolator having a split circuit element, a polymeric substrate, a transmitter and receiver is disclosed. The split circuit element has first and second portions, the first portion being disposed on a first surface of the substrate and the second portion being... | 07/15/2010 |