Quotables
"The idea that cavalry will be replaced by these iron coaches is absurd. It is little short of treasonous."
Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8085008 | System for accounting for switch impendances A Universal Serial Bus (USB) switch matrix is provided. The switch matrix generally comprises a switch network, and amplifier, a adjustable current source, and variable resistors. The switch network is able to output a differential output signal and a common mode si... | 12/27/2011 |
| 8026701 | Voltage regulator for a synchronous clock system to reduce clock tree jitter A voltage regulator with an adaptive bandwidth, including a first buffer chain, a voltage generating unit, a trimming capacitor unit, a second buffer chain, and a control unit. The first buffer chain delays a clock signal using an external voltage as a supply voltag... | 09/27/2011 |
| 7965065 | Trimming circuit A trimming circuit which comprises a shunt circuit having two shunt resistors and two shunt ON/OFF switches and connected in parallel with a series resistor circuit. The middle point of the shunt circuit is connected to a connection point of the series resistor circ... | 06/21/2011 |
| 7782026 | Regulator circuit and corresponding uses Regulator circuit and corresponding uses. The regulator circuit includes at least two input terminals, at least two reactances, at least two output terminals, a plurality of interconnections for connecting said reactances with respect to one another and for connecti... | 08/24/2010 |
| 7446512 | Resonant switching power supply device For the purpose of providing a resonant switching power supply device having a wide output voltage variable range by changing its switching frequency, the resonance circuit thereof comprises a switching transformer, a first resonance section connected in series with... | 11/04/2008 |
| 7211990 | 4-20 mA interface circuit A 4–20 mA interface circuit is disclosed having a resistor in series with a DC/DC converter, and further having a current bypass circuit in parallel to the series combination of the resistor and DC/DC converter. In this way, a 4–20 mA analog current at a low fre... | 05/01/2007 |
| 7199577 | Characterizing multiple DC supplies decoupling capacitors in PCB by anti-resonant frequencies Methods and systems formulate the impedance for decoupling capacitors of a multiple power supply printed circuit board considering plane capacitance, series resonant frequencies, parallel resonant frequencies and impedance. The impedances are evaluated at anti-reson... | 04/03/2007 |
| 7170707 | Systems and methods for reducing power dissipation in a disk drive including an adjustable output voltage regulator A disk drive system includes an adjustable output (linear or switching) voltage regulator including an output terminal that provides an output voltage. A plurality of loads each include a voltage supply terminal that receives the output voltage. A controller dynamic... | 01/30/2007 |
| 7161331 | Boost converter utilizing bi-directional magnetic energy transfer of coupling inductor A boost converter utilizing bi-directional magnetic energy transfer of coupling inductor provides a high efficiency boost DC-DC converting with above 30 times voltage boost rate, which uses a coupling inductor and low voltage switch to absorb circuit induction volta... | 01/09/2007 |
| 7143381 | Resonance reduction arrangements Resonance reduction arrangements to reduce the impact of power supply resonance on circuits, comprising a resonance sensor and a charge dumper, wherein upon the detection of the predetermined resonance by the resonance sensor at a circuit location, the charge dumper... | 11/28/2006 |
| 7138787 | DC/DC converter A DC/DC converter according to the present invention includes first and second transformers, each including a primary winding and a secondary winding, the primary winding including first and second windings, a first diode connected to both ends of a series circuit i... | 11/21/2006 |
| 7129821 | Communication systems and methods using microelectronics power distribution network A communication system, which includes a microelectronics chip including a power distribution network; a transmitter operatively configured to generate a communication signal and provide the communication signal to the power distribution network; and a receiver oper... | 10/31/2006 |
| 7119607 | Apparatus and method for resonance reduction A system is provided that includes a power distribution network to provide a switching current and a resonance reduction circuit to sense the switching current within a frequency range and to generate a resonance reduction signal having a current component at substa... | 10/10/2006 |
| 7091706 | Voltage regulator and method of regulating voltage A voltage regulator includes a load control unit having an output configured to be coupled to a load. The load control unit is configured to be responsive to a load control signal for controlling the delivery of power to the load. A voltage regulator further include... | 08/15/2006 |
| 7043379 | Method for quantifying I/O chip/package resonance A method for quantifying effects of resonance in an integrated circuit's power distribution network is provided. The power distribution network includes a first power supply line and a second power supply line to provide power to the integrated circuit. Test ranges ... | 05/09/2006 |
| 6975977 | Low-complexity, high accuracy model of a CPU anti-resonance system A low-complexity, high accuracy model of a CPU anti-resonance system has been developed. The model includes a simulated load model, a simulated transistor that simulates the performance of a high frequency capacitor, and a simulated capacitor that simulates the perf... | 12/13/2005 |
| 6963240 | Damping of LC ringing in IC (integrated circuit) power distribution systems A structure and method for damping LC (inductance-capacitance) ringing in integrated circuit (IC) power distribution systems. The structure comprises a resistance electrically connected in parallel with a plurality of electrical switches. The resistance and electric... | 11/08/2005 |
| 6906434 | Electric utility system with superconducting magnetic energy storage a voltage recovery device is configured to provide real and reactive power to a utility power network at a sufficient level and for a sufficient duration to recover the voltage on the utility power network within a predetermined proportion of the nominal voltage, fo... | 06/14/2005 |
| 6841950 | Dimmable electrolumanescent lamp drivers and method therefor A method for dimmable control of a multiple output EL lamp driver is disclosed. The multiple output EL lamp driver has a power converter. A plurality of EL lamps are provided wherein one terminal of each EL lamp is coupled to a single common terminal. A plurality of... | 01/11/2005 |
| 6781355 | I/O power supply resonance compensation technique An apparatus for compensating for the effects of resonance in an integrated circuit's power distribution network is provided. A resonance detector monitors transmissions from the integrated circuit for certain bit patterns that may excite the power distribution netw... | 08/24/2004 |
| 6046581 | Microprocessor load emulator A load emulator provides a high current load having a specified high slew rate to replicate the load and transient currents generated by advanced high speed microprocessors. The load emulator is implemented in the form of an L-C delay line having taps bet... | 04/04/2000 |
| 5903182 | Method and system for providing a regulated core voltage to a processor within a computer system A method for providing a regulated core voltage to a processor within a computer system is disclosed. In accordance with a method and system of the present invention, a power supply is provided for a processor that includes multiple core transistors and m... | 05/11/1999 |
| 5869953 | Retrofittable energy saving device A power lag compensation device is provided including a housing. A socket assembly is situated within the interior space of the housing for releasably receiving a plug connected to an appliance for being in electrical communication therewith. A plug assem... | 02/09/1999 |
| 5856740 | Shunt voltage regulator with a variable load unit A voltage regulator for regulating a power source that supplies an input signal includes input terminals connected across the power supply, a voltage sensor, a reference generator, a variable load unit, and a control unit. The voltage sensor is connected ... | 01/05/1999 |
| 5568042 | Monitoring and control of a filter in a power network In a method for monitoring and/or control of a plant component (4A, 4B, 4C, 4D) connected to an electric power network (N1, N2), for example a tunable filter for harmonic filtering or a capacitor bank for generating reactive power in a converter plant for... | 10/22/1996 |
| 5434497 | Vernier enhanced control for shunt connected thyristor-controlled capacitors A firing controlled scheme including a method and apparatus for vernier operation of a shunt-connected thyristor-controlled capacitor (STCC) uses phase controlled firing of the thyristors based on monitored line voltage, monitored thyristor current, and a... | 07/18/1995 |
| 5293111 | Method for minimizing the switching loss in a power switch A switching current converter is connected in parallel with each controlled power switch in an electric circuit so that it is allowed to operate from the input voltage and transfer energy from input to output during the turn-on periods of the controlled p... | 03/08/1994 |
| 5198745 | Dynamic braking resistor system A dynamic braking system resistor for stabilizing a power system during power system disturbances includes a braking resistor for coupling with a power system bus. A controller monitors a power system parameter, such as the speed of a generator coupled wi... | 03/30/1993 |
| 4816741 | Switched resistor regulator with diode-snubber for parasitic inductance in switched resistor There is disclosed a diode snubber for the voltage transients generated in the parasitic inductance of a switched resistor when current therethrough is interrupted. Also disclosed is the use of such a diode snubber in: a series switched resistor regulator... | 03/28/1989 |
| 4814966 | Shunt switched resistor regulator with diode snubber There is disclosed a diode snubber for the voltage transients generated in the parasitic inductance of a switched resistor when current therethrough is interrupted. Also disclosed is the use of such a diode snubber in: a series switched resistor regulator... | 03/21/1989 |
| 4808906 | High voltage regulator for CRT anode voltage supply A voltage regulator for an anode voltage supply in a CRT powered by a deflection flyback pulse generator includes a voltage sensing network for providing a feedback signal to a summing amplifier. A pulse sensing network which may be a capacitive divider i... | 02/28/1989 |
| 4776348 | Apparatus for determining motion of jaw An apparatus for accurately determining motion of a jaw without restricting its natural motion is disclosed. The apparatus comprises upper and lower jaw motion elements, at least two sensors and a phase detecting circuit. The sensors detect a phase of an ... | 10/11/1988 |
| 4736152 | Load current interference reducing apparatus A circuit arrangement for reducing an interference current produced by a load (2). The frequency of the interference current is considerably higher than the frequency of a supply voltage source (1) which is coupled to the load. In order to reduce the inte... | 04/05/1988 |
| 4719404 | Switched resistor regulator with linear dissipative regulator A switched resistor regulator controls current flow through a resistor electrically connected to a load by varying the duty cycle of switching the resistor into electrical connection between of a power source and the load to regulate the power to the load... | 01/12/1988 |
| 4713602 | Circuit resistance adjusting device A circuit resistance adjusting device for producing a combined resistance consisting of a plurality of resistances which are selectively connected by a switching member. The switching member includes a plurality of switching elements and fuses which are r... | 12/15/1987 |
| 4352053 | Temperature compensating voltage generator circuit A temperature compensating voltage generator circuit for compensating temperature characteristics of an electric circuit whose electrical characteristic varies in accordance with the change of the ambient temperature and whose electrical characteristic ca... | 09/28/1982 |
| 4338531 | Slide wire device simulator circuit and method A circuit for simulating a slide wire device includes a pair of resistors connected electrically in series with a reference voltage source. Switching means are provided for alternately shorting the resistors in a duty cycle fashion such that when one of t... | 07/06/1982 |
| 4329638 | Capacitive voltage transformers The present invention refers to capacitive voltage transformers. In accordance with one embodiment a capacitive voltage transformer has two capacitors connected in series between a point on a high voltage line and a reference point such as earth and two impeda... | 05/11/1982 |
| 4276604 | Automatic attenuation circuit An automatic attenuation circuit comprises a variable loss attenuation circuit that drives circuitry for detecting the level of the output signal of the variable loss attenuation circuit. The level detector drives a periodically reset integrator, which in... | 06/30/1981 |
