Bizarre Patents
A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.
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 |
| 7902694 | Dynamic current limits A method is provided for allocating and providing power to network devices. The method includes (i) receiving an electronic request to power a network device with a requested amount of power, (ii) establishing a worst-case current draw of the device in the event of ... | 03/08/2011 |
| 7719136 | Power source control circuit, power supply device, and control method for the same A control circuit for a power supply device, a power supply device, and the like are provided in which the power supply device has a plurality of DC/DC converters provided for generating voltage while the mutual relationship of potential between the voltage outputs ... | 05/18/2010 |
| 7675193 | Selective independent overload and group overload protection circuit of power supply The present invention discloses a selective independent overload and group overload protection circuit of a power supply. In the power supply, each of a plurality of loads that require a larger power output has an independent overload protection circuit, and the loa... | 03/09/2010 |
| 7612465 | Power supply circuit containing multiple DC-DC converters having programmable output current capabilities A apparatus and method of operating a power converter circuit is provided. The method selectively couples control signals to at least one output driver stage of a plurality of output driver stages of the power converter circuit to obtain a desired output at a select... | 11/03/2009 |
| 7385309 | Innovative architectures for systems for generation and distribution of energy on board motor vehicles The system allows the generation and distribution of energy on board a motor vehicle provided with a propulsion unit, a tank for fuel at least one distribution network or line for electric energy, electrical energy generation devices connected to the at least one di... | 06/10/2008 |
| 7362007 | Hybrid uninterruptible power supply system An apparatus, system, and method for supplying an uninterruptible power source to a dual power device capable of being alternately powered through either a primary power input connected to a primary power source or a secondary power input connected to a secondary po... | 04/22/2008 |
| 7345378 | Power supply circuit containing multiple DC—DC converters having programmable output current capabilities A power supply circuit contains a plurality of DC-DC converter control loops that provide respectively different control signals. A plurality of output driver stages of given current drive capabilities have their inputs programmably connectable via a set of switches... | 03/18/2008 |
| 7263620 | System and method for graceful shutdown of host processor cards in a server system A host processor card configured to be fitted into a server system includes a processor, and a memory coupled to the processor for storing an operating system. A power control line controls the power state of the host processor card. A graceful shutdown circuit is c... | 08/28/2007 |
| 7151359 | Variable reluctance generator A variable reluctance generator has phase windings and a bias winding. By controlling the excitation produced by the bias winding, the speed of the machine or the DC link, a power converter using only diodes can supply power to a DC bus. A method of operating a vari... | 12/19/2006 |
| 7088027 | Rotating asynchronous converter and a generator device The present invention relates to a rotating asynchronous converter and a generator device. The converter comprises a first stator connected to a first AC network with a first frequency f1, and a second stator connected to a second AC network with a second... | 08/08/2006 |
| 7071625 | LED illuminator with capability of stable brightness An LED illuminator with the capability of stale brightness, which has the function of emergent lighting and night lighting, is disclosed. The disclosed LED illuminator has a charging unit, a switching unit, a detecting unit and a voltage-stabilizing unit. The detect... | 07/04/2006 |
| 7038332 | Power discriminating systems The present invention relates to a control system for selectively supplying electrical power in a remote environment. The system comprises a plurality of electrical circuits, each designed to operate over a unique frequency passband. Power transmitted within the fre... | 05/02/2006 |
| 7030733 | Power supply for phantom-feed LAN connected device using spare-pair powering A system for providing power to a local area network LAN connected device via spare wire pairs from a phantom feed LAN, the system comprising a first connector for connecting to the LAN connected device; a second connector for connecting to a LAN hub; and means for ... | 04/18/2006 |
| 7002263 | Elimination of recirculation current loss in load-shared switching mode power supplies In master-slave current-tracking load-share systems using switching power supplies, a method and apparatus for preventing current recirculation at light-load and no-load operational conditions. The slave power supply is run in a discontinuous mode when load current ... | 02/21/2006 |
| 6975947 | Power saving apparatus in an appliance Disclosed a system and method of lengthening a life span of a battery power supply in an appliance such as a portable appliance, notebook computer or the like. A power saving method in an appliance includes displaying a user set-up menu for a power saving on a scree... | 12/13/2005 |
| 6792338 | System and method for actively limiting the power drawn from a power distribution bus A control system (10) actively limits the power drawn from a main power distribution bus (20) by one or more electric loads (30). The system (10) includes circuitry (14) for determining a maximum permissible current magnitude that ... | 09/14/2004 |
| 6768225 | Multiple power sources control system A multiple power sources control system has several power input sides can switch a power source to other power sources of power input sides as original power source of one of power input sides has an abnormal phenomenon (such as no power supply, too low or high volt... | 07/27/2004 |
| 6751561 | Power saving method and apparatus for a portable appliance Disclosed a system and method of lengthening a life span of a battery power supply in an appliance such as a portable appliance, notebook computer or the like. A power saving method in an appliance includes displaying a user set-up menu for a power saving on a scree... | 06/15/2004 |
| 6680547 | Power sharing system including rechargeable power source A power sharing system is provided for powering a plurality of loads using line voltage and a rechargeable source. Each load can be coupled to either the line voltage or the rechargeable source by means of a power source selector switch coupled to each lo... | 01/20/2004 |
| 6646424 | Apparatus for converting voltage with regulator The present invention provides an apparatus and method for optimizing the efficiency of a switching converter for converting a first voltage to a second voltage. The apparatus includes a regulator, a DC-to-DC converter and a controller. The controller cou... | 11/11/2003 |
| 6642698 | Method and apparatus for distributing power to an integrated circuit An apparatus for providing regulated power to a microelectronic device is disclosed. The apparatus includes an array of power regulators that are coupled together and which are configured to provide power to various portions of the microelectronic device.... | 11/04/2003 |
| 6618681 | Method and apparatus for predicting the available energy of a battery A method of predicting by non-invasive testing the available energy of a battery at any state of charge by acquiring data of the parameters of internal resistance (IR), open circuit voltage (OCV) and temperature (T), the points of voltage and current of t... | 09/09/2003 |
| 6580180 | Power supply apparatus for vehicle A first battery 12 is for supply of power at a first voltage. A second battery 13 is for supply of power at a second voltage to a load 14. A converter 120 is between the first battery 12 and the second battery 13. The converter 120 is for conversion of po... | 06/17/2003 |
| 6459171 | Method and apparatus for sharing power A power sharing apparatus and method. In one embodiment, a method of sharing power includes switchably coupling and decoupling each of a plurality of power sources to deliver at least a portion of power to a shared power supply. Each of the power sources ... | 10/01/2002 |
| 6445086 | Electronic power supply for personal computer and method An electronic power supply for use with a personal computer exhibits a construction including an external power section located exterior to a personal computer and including a direct current voltage source in combination with a battery source for providin... | 09/03/2002 |
| 6411061 | High performance brush motor driver in conjuction with low cost SR motor driver A combined drive circuit for a split brake system of a motor vehicle has a switched reluctance motor and a brush motor. The switched reluctance motor has multiple phase windings. The combined drive circuit includes a DC power source with first and second ... | 06/25/2002 |
| 6407528 | Low cost brush motor driver in conjunction with low cost SR motor driver A combined drive circuit for a split brake system of a motor vehicle has a switched reluctance motor and a brush motor. The switched reluctance motor has multiple phase windings. The combined drive circuit includes a DC power source with first and second ... | 06/18/2002 |
| 6400106 | Device for reducing electromagnetic emissions of a circuit through voltage and current slewing An inductive load is managed to reduce unnecessary induced electromagnetic radiation as caused by unwanted voltage and/or current fluctuations. The management is accomplished through combined current and voltage slew rate limiting of a transistor driving ... | 06/04/2002 |
| 6388408 | Motor current sensing in electric power tools A device for sensing motor current for over-current protection in an electric power tool. The tool includes an electric motor supplied with electrical power via a live cable and incorporates over-current protection including a tripping circuit with a curr... | 05/14/2002 |
| 6362540 | Expandable hybrid electric generator and method therefor An expandable hybrid electric generator (20) includes a number of power blocks (22) that may be nearly identical to one another. The power blocks (22) are controlled by a master controller (34), and an external supervisor (30) performs some master control... | 03/26/2002 |
| 6340848 | On-vehicle distribution box and distribution system An on-vehicle distribution box for distributing an electrical power supplied from a power source to a first voltage load operated on a first voltage and to a second voltage load operated on a second voltage differed from the first voltage. The distributio... | 01/22/2002 |
| 6211579 | Multiple output converter having a low power dissipation cross regulation compensation circuit A compensation circuit for a DC--DC converter having a low voltage output line and a plurality of high voltage output lines applied to a plurality of loads includes an adjustable impedance source connected to the low voltage output line. The impedance sou... | 04/03/2001 |
| 6150737 | Auxiliary power distribution system A power supply is adapted to be powered from an ordinary electric utility power line, or alternately from a standby storage battery, and is operable to provide a power-line-isolated output of 120 Volt RMS at a frequency of about 30 kHz. The Volt-Ampere pr... | 11/21/2000 |
| 6058353 | System and method for providing backup protection for circuit breaker failure The present invention provides backup protection for circuit breaker failure by providing a programmable controller coupled to detect the failure of a circuit breaker to open on command and generate a command signal to all circuit breakers coupled to the ... | 05/02/2000 |
| 5982156 | Feed-forward control of aircraft bus dc boost converter An open loop control arrangement for an electrical energy flow-controlling circuit coupling the varying terminal voltage of an energy storing capacitor to a fixed voltage direct current aircraft energy supply bus in order to supplement bus voltage transie... | 11/09/1999 |
| 5952817 | Apparatus and method using waveform shaping for reducing high frequency noise from switching inductive loads A low-noise switching regulator and a method for driving an inductive load, employing current slew control and voltage slew control, is provided. Open and closed loop embodiments, as well as first and higher order slewing, are also provided.... | 09/14/1999 |
| 5952733 | Power distribution system for electronic devices A power distribution system in which a plurality of power supplies generate power of one or more regulated voltages, each voltage being received by regulator circuit that compares the regulated voltage against a predetermined reference voltage level and g... | 09/14/1999 |
| 5867040 | Integrated circuit with stacked sub-circuits between Vcc and ground so as to conserve power and reduce the voltage across any one transistor The semiconductor integrated circuit device of the present invention includes a plurality of integrated circuits. The scheduling circuit selects an arbitrary number of integrated circuit from the plurality of integrated circuits, and connects the selected... | 02/02/1999 |
| 5864225 | Dual adjustable voltage regulators A dual adjustable voltage regulator combining a DC--DC switching regulator with a linear regulator implemented on a single chip is disclosed. The invention provides switching circuitry that can select between a fixed output voltage level and a user-adjust... | 01/26/1999 |
| 5814977 | Power supply for compensating a failed voltage A power supply capable of compensating a failed voltage occurred therein includes an exclusive OR gate for performing an exclusive OR operation on a first and a second voltages to produce a failure detection signal to indicate a failure in either of a fir... | 09/29/1998 |
