Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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 |
| 8183850 | Power converting device and power supply apparatus Each voltage converting unit outputs a first signal at a first output and second signal at a second output. Each first transforming unit includes a magnetically coupled primary and secondary coil, the first output of each one of the converting units is connected to ... | 05/22/2012 |
| 8138745 | Power transformer distribution network and method of operating same The present invention is single- and multi-phase power distribution systems comprising a plurality of transformers. Each transformer is connected to another of the transformers, in series (single phase) and in series and parallel (multi-phase). Each transformer has ... | 03/20/2012 |
| 8085031 | Device for supplying power to measuring sensors and transmitting a synchronous clock signal thereto The invention relates to a device for supplying power to measuring sensors and transmitting a synchronous clock signal thereto, in particular, for a low-voltage switchgear, with a power supply unit (10) whose output signals are transmitted to the measuring se... | 12/27/2011 |
| 7847535 | Method and device for supply to a magnetic coupler The invention relates to a method for supply to a magnetic coupler comprising several pairs of windings, each pair being formed from a first and a second adjacent paired winding, magnetically coupled to each other by means of a core of magnetic material. The method ... | 12/07/2010 |
| 7786717 | Transforming apparatus for automatically adjusting three-phase power supply voltage A transforming apparatus automatically adjusting the voltage of three-phase power supply comprising three input terminals, three output terminals, a Y-connection three-phase transformer, a switch group, and a switch switching circuit. The three input terminals are r... | 08/31/2010 |
| 7764060 | Transformer based voltage supply There is disclosed a voltage summer including a transformer having a primary side and a secondary side, wherein a first voltage to be summed is connected to the primary side and a second voltage to be summed is connected to the secondary side. There is further discl... | 07/27/2010 |
| 7629786 | Device for reducing harmonics in three-phase poly-wire power lines The invention is a harmonics reduction device for three-phase poly-wire power lines, which can more reliably eradiate harmonics current applied to an electric power system via a neutral line. The invention comprises an electric power system having three-phase poly-w... | 12/08/2009 |
| 7359223 | Power converter system and method A power converter system for supplying an output voltage is provided. The power converter system is adapted to operate in a normal mode and a fault mode. The system comprises a plurality of bridges and a plurality of transformers. The system further comprises a plur... | 04/15/2008 |
| 7330363 | Converter circuit with two converter elements A converter circuit having a first and a second converter element is specified, with each converter element having a DC voltage circuit and in each case one converter element phase (u1, v1, w1) of the first converter element being connected to a... | 02/12/2008 |
| 7315463 | Apparatus and method for multi-phase transformers A method and apparatus for multi-phase transformers are described. In one embodiment, a coupled inductor topology for the multi-phase transformers comprising N primary inductors. In one embodiment, each primary inductor is coupled to one of N input nodes and a commo... | 01/01/2008 |
| 7301440 | Power line communication system and method The present invention provides a device for providing communications through power lines comprised of multiple conductors by transmitting the data signals through a plurality of the conductors. One embodiment of the present invention may be comprised of a transmit c... | 11/27/2007 |
| 7288923 | Voltage-limited electric machine An electric alternator having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits around different portions of the winding which may be configured relative to one another... | 10/30/2007 |
| 7277302 | 12-pulse converter including a filter choke incorporated in the rectifier The invention provides a 12-pulse converter comprising an autotransformer having a primary winding connected in a delta configuration and two secondary windings connected in star configurations, the two secondary windings being connected to two rectifier bridges tha... | 10/02/2007 |
| 7271572 | Apparatus and methods for providing a voltage adjustment for single-phase voltage regulator operation in a three-phase power system Provided is an apparatus and method for providing a voltage reduction for single-phase voltage regulator operation in a three-phase power system. The voltage regulator includes a plurality of tap positions selectable to adjust a voltage at a load to an in-band area.... | 09/18/2007 |
| 7271508 | Method for deicing energized electrical transmission lines The invention concerns a method for deicing energized electrical transmission lines by means of an apparatus capable of producing an angular offset between its terminals. The method consists in: selecting segments (4, 6) of electrical transmission lines to de... | 09/18/2007 |
| 7199699 | Facilitating communication with power line communication devices The invention includes a method, system, and device for communicating a data signal with a low voltage premise network. The inventive method comprises communicating the data signal with the low voltage premise network, substantially reducing attenuation of the data ... | 04/03/2007 |
| 7132819 | Floating power supply and method of using the same A power supply of the present invention comprises a transducer having a transducer and a voltage regulator. The transducer is coupled to an electrically non-conductive medium, which may be a light pipe. The electrically non-conductive medium is coupled to a non-elec... | 11/07/2006 |
| 7116014 | Method and apparatus for stabilizing “DC-DC Transformers” in a distributed power system using remote sense The output voltage of a dc—dc transformer having a ratio of approximately m/n, and which is powered from a main power supply having a remote sense input, can be stabilized by feeding the output of the dc—dc transformer to the remote sense input of the main power... | 10/03/2006 |
| 7112946 | Transformer with selectable input to output phase angle relationship A three-input induction transformer in which the phase relationship of the power output relative to the power input is selectable/adjustable after the transformer is placed in operation in the field. The transformer includes a primary set of windings and a three-pol... | 09/26/2006 |
| 7113134 | Transformer antenna device and method of using the same The invention contemplates an antenna device, system and method of installing the antenna device for receiving a wireless signal at a pad mounted electrical transformer. The novel device includes an antenna capable of communicating the wireless signal and a material... | 09/26/2006 |
| 7102478 | Power line coupling device and method of using the same The coupling device of the present invention includes a housing, a first fastening member attached to said housing and coupled to the power line, a second fastening member attached to the housing and coupled to the power line, an inductor providing an impedance to d... | 09/05/2006 |
| 7102343 | Methods and systems having multiple cooperating transformers Disclosed are methods, systems, and devices that include a power source having a first voltage having a first frequency, a power-consuming load(s), and a first transformer set comprising a delta-delta transformer and a first voltage controller coupled in series ther... | 09/05/2006 |
| 7078997 | Transformer assembly, and power conversion apparatus and solar power generation apparatus using the same In a transformer assembly formed by using a plurality of transformers each formed by winding a primary coil and a secondary coil around a winding core, one terminal and the other terminal of the primary coil are arranged on opposite sides of the winding core, one te... | 07/18/2006 |
| 7076378 | Device and method for providing power line characteristics and diagnostics An apparatus determines a characteristic of a portion of a power line. The apparatus comprises a coupling device in communication with a processor. The coupling device receives a signal from a power line and the processor receives the signal from the coupling device... | 07/11/2006 |
| 7075414 | Device and method for communicating data signals through multiple power line conductors The present invention provides a device for providing communications through power lines comprised of multiple conductors by transmitting the data signals through a plurality of the conductors. One embodiment of the present invention may be comprised of a transmit c... | 07/11/2006 |
| 7064654 | Power line communication system and method of operating the same A system for operating a power line communication system is provided. One embodiment is comprised of a plurality of network elements, which may take the form of repeaters, bypass devices, backhaul devices, wireless backhaul devices, enhanced bypass devices, communic... | 06/20/2006 |
| 7060892 | Method of transmitting electrical power A method is provided for reducing the stray noise associated with the transmission of the electrical power between a power source and a target. The method includes the step of interconnecting the power source and the target with a conductor. A shield is positioned a... | 06/13/2006 |
| 7053756 | Facilitating communication of data signals on electric power systems The invention includes a method, system, and device for communicating a data signal on an electric power system. The inventive method includes communicating the data signal to the electric power system, and modifying the characteristics of the electric power system ... | 05/30/2006 |
| 7049921 | Auto-transformer for use with multiple pulse rectifiers Zig-zag connected, phase shifting, auto-transformers that provides the inherent ability to block the flow of zero sequence currents that are associated with multiple-pulse rectifiers. The transformer coils are wound in three separate, multi-wound windings on three s... | 05/23/2006 |
| 7046124 | Power line coupling device and method of using the same The coupler of the present invention couples broadband RF signals to and from a power line conductor. The coupler of one embodiment that is for use with overhead power lines includes a length of URD MV cable with the neutral conductor removed and that is communicati... | 05/16/2006 |
| 7042351 | Data communication over a power line Data signals are communicated between a power line and a computer, wherein the power line provides power to the computer via a distribution transformer and the computer is in communication with a wireless communication path. A first data signal is communicated with ... | 05/09/2006 |
| 7020452 | Actively matched center-tapped marchand balanced mixer An apparatus comprising an amplifier circuit, a tuning circuit and a mixer circuit. The amplifier circuit may be configured to generate an output signal at a first node in response to an input signal received through a second node. A tuning circuit may be (i) couple... | 03/28/2006 |
| 7012578 | Light emission control device, backlight device, liquid crystal display apparatus, liquid crystal monitor and liquid crystal television The present invention provides a light emission control device that can drive a plurality of cold cathode fluorescent tubes independently only by connecting a plurality of piezoelectric transformers to only one piezoelectric inverter circuit. A first phase control p... | 03/14/2006 |
| 6998962 | Power line communication apparatus and method of using the same A communication device for use with a power line communication system is provided. One embodiment forms a bypass device and comprises a low voltage coupler, a low voltage signal conditioner, a controller, a medium voltage modem, a first medium voltage signal conditi... | 02/14/2006 |
| 6995993 | Rectification system for improving power quality of electrical power systems A system and method for an autotransformer configuration including a plurality of windings which can be used to provide a substantial reduction in harmonics. The autotransformer includes a series of wye windings configured to provide a constant length voltage vector... | 02/07/2006 |
| 6993312 | Double balanced diode mixer with high output third order intercept point A double balanced mixer consisting of an RF balun, a local oscillator balun and a diode “quad” bridge circuit connected between the two baluns and where the IF output is taken at the center tap of the RF balun secondary transformer. A second harmonic termination... | 01/31/2006 |
| 6980089 | Non-intrusive coupling to shielded power cable The invention describes a method and a device for transporting a signal over a power line. The inventive method includes inducing an alternating current (AC) voltage from the power line, powering a transceiver device with the induced AC voltage, communicating the si... | 12/27/2005 |
| 6980091 | Power line communication system and method of operating the same The present invention provides a system for operating a power line communications system that is comprised of a plurality of network elements, which may take the form of repeaters, bypass devices, backhaul devices, wireless backhaul devices, enhanced bypass device, ... | 12/27/2005 |
| 6980090 | Device and method for coupling with electrical distribution network infrastructure to provide communications A device for providing communications through power lines that are communicatively coupled to an electrical distribution network infrastructure and to the internal wiring of at least one customer premises having one or more communication devices therein is provided.... | 12/27/2005 |
| 6977578 | Method of isolating data in a power line communications network Isolating data in a power line communications system. Although plural subscribers receive electric power distributed from a common distribution transformer, it is desirable to isolate their branch lines from one another when those branch lines are used to conduct da... | 12/20/2005 |
