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Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
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| Number | Title | Issue Date |
| 7400986 | Usage monitoring apparatus An apparatus is disclosed for monitoring usage of multiple electrical devices. The apparatus comprises multiple non-invasive current sensors for sensing current in respective conductors associated with the electrical devices. Such conductors may for example be the e... | 07/15/2008 |
| 7310026 | Semiconductor integrated circuit with function to detect state of stable oscillation A semiconductor integrated circuit includes a reference-voltage circuit configured to produce a predetermined reference voltage at an output node thereof, a comparator, coupled to a node to which an oscillating signal is supplied and to the output node of the refere... | 12/18/2007 |
| 7043609 | Method and apparatus for protecting a state associated with a memory structure A method for protecting reliability of data associated with a data array is provided. The method initiates with defining state information associated with the data array. Then, crucial state information is identified from the state information. Next, a copy of the c... | 05/09/2006 |
| 7016793 | Method and apparatus for anti-islanding protection of distributed generations An apparatus for anti-islanding protection of a distributed generation with respect to a feeder connected to an electrical grid is disclosed. The apparatus includes a sensor adapted to generate a voltage signal representative of an output voltage and/or a current si... | 03/21/2006 |
| 6950764 | Arrangements to detect and respond to disturbances in electrical power systems A control arrangement and method is provided for detecting and responding to disturbances in electrical power systems. In a preferred arrangement, an integration is initiated that is based on a comparison of actual voltage of a source and a reference voltage. When t... | 09/27/2005 |
| 6892115 | Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment A method of monitoring and controlling a power distribution system is provided. The power distribution system includes a plurality of circuit breakers, a plurality of node electronic units, and wherein each associated circuit breaker is electrically coupled with eac... | 05/10/2005 |
| 6856363 | Liquid crystal display module An LCD module having a lamp cover with an improved structure, includes a lamp; a lamp cover which is bent once so as to define an upper plate and a side plate thereof, and which covers an upper portion and side portion of the lamp with a lower portion of the lamp be... | 02/15/2005 |
| 6844902 | Liquid crystal display device having pawl portions and hinge members A liquid crystal display device which can, even in case where a vibration and an impact such as drop are exerted on a note type computer in which the liquid crystal display device is mounted, prevent a fitting portion for fixing a case body and an LCD cover from dis... | 01/18/2005 |
| 6668232 | Arrangements to detect and respond to disturbances in electrical power systems A control arrangement and method is provided for detecting and responding to disturbances in electrical power systems. In a preferred arrangement, an integration is initiated that is based on a comparison of actual voltage of a source and a reference volt... | 12/23/2003 |
| 6507470 | Method and arrangement for shortening the recovery time of a line driver To shorten the recovery time of a line driver (1) after an overvoltage on its output terminal (3), a current generating device (5) senses a voltage difference between the output voltage of the line driver (1) and its supply voltage (UB) plus a threshold v... | 01/14/2003 |
| 6219623 | Anti-islanding method and apparatus for distributed power generation The invention in the simplest form is a method and apparatus for reliably protecting against island situations with one or multiple power sources connected to an electric distribution grid. The method and apparatus detects variations in the voltage and fr... | 04/17/2001 |
| 5910780 | Switched-transconductance multiplexer circuit with integrated T-switches A switched-transconductance circuit used in a multiplexer forming a part of a crosspoint switch includes integrated T-switches that are enabled when the transconductance stage is not enabled. The transconductance stage is selectively enabled by controllin... | 06/08/1999 |
| 5736795 | Solid state AC switch with self-synchronizing means for stealing operating power A solid state power switching circuit for alternating current loads, in which operating power for the circuit is diverted from the switched current during power stealing intervals self-synchronized with the alternating current waveform. During periods in ... | 04/07/1998 |
| 5631794 | Differential shunt-type protection circuit A differential shunt-type detector circuit includes a voltage-regulator component series combined with one or more than one shunt components in a circuit connected in parallel with, for example, a thermostatic switch element, such that when the terminal v... | 05/20/1997 |
| 5534782 | Automatic reclosing circuit breaker using controllable feeder transducer Automatic reclosing apparatus for a DC feeder circuit breaker connectable between a main power bus and a feeder line, including a transducer connectable to the feeder line and a return bus for producing an output signal that corresponds to voltage on the ... | 07/09/1996 |
| 4999728 | Power surge protection circuit A circuit for protecting electronic equipment such as computers, laser printers, fax machines, and the like from damage due to electrical transients associated with a temporary power interruption is connectable between a source of A.C. power and the elect... | 03/12/1991 |
| 4860150 | Protector network for A-C equipment A power cutoff circuit is added to the protector network disclosed in U.S. Pat. No. 4,675,772 so that when an interruption in power occurs, at least one suppressor remains connected to a load even though a source is disconnected from the load. In one embo... | 08/22/1989 |
| 4814931 | Apparatus and method for timed-de-icing An all solid state timer-controller for the timed, sequential application of electrical current to loads within a circuit at high amperage, the circuit finding utility in the application of electrical current to de-icers employed aboard aircraft.... | 03/21/1989 |
| 4661877 | Transformer protective relay A protective relay for a transformer issues a relay tripping command when the differential current that is the difference between currents in the primary and secondary windings of the transformer has a magnitude larger than the specified value and, at the... | 04/28/1987 |
| 4644437 | Telephone subscriber loop overvoltage protection integrated circuit An overvoltage protection circuit for communications systems for protecting equipment from power crosses on electric utility lines. A timed latch circuit is used to activate a plurality of steering SCR's which crowbar the overvoltage. The utilization of a... | 02/17/1987 |
| 4630161 | Protection technique for exposed conductor A technique is disclosed for protecting against electrocution or shock resulting from contacting an exposed conductor which is connected to a power supply. The flow of power to the conductor, whether DC or AC, is periodically interrupted and during the in... | 12/16/1986 |
| 4232232 | Voltage sensing and load measuring automatic reclosing system for D-C circuit breakers A reclosing system for d-c feeder breakers in transit systems employing cars using a chopper type of regulated power is disclosed. The circuit includes voltage-sensing and load-measuring circuits which determine that there is no short circuit on the respe... | 11/04/1980 |
| 4156263 | Hazardous voltage protector for telephone line In order to prevent excessive voltages originating in customer owned terminal equipment from creating a hazardous condition in an associated telephone line, a protective circuit is connected between the equipment and the line. This circuit responds to an ... | 05/22/1979 |
| 4106070 | Hazardous voltage protector for telephone line Telephone terminal equipments connected to the network through the device described herein are prevented from applying potentially human-hazardous voltages or currents to the network. The device includes a pair of bifilar relay coils, one in each connecti... | 08/08/1978 |
| 4042968 | High-voltage electrical installation High-voltage high-power, multiphase electrical installation comprising, for each phase, at least two circuit fields that include, in each circuit field, a circuit breaker arranged between two current transformers, each of them discharging into the same lo... | 08/16/1977 |
