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| Number | Title | Issue Date |
| 8006552 | Wind turbine generator system and method thereof for judging lightning energy level A wind turbine generator system that can quantitatively determine the energy of a lightning strike on a wind turbine blade is provided. In the wind turbine generator system generating electricity by driving an electrical generation mechanism through rotation of a ro... | 08/30/2011 |
| 7975542 | Systems and methods for protecting a site from lightning strikes Systems and methods for dynamically defending a site from lightning strikes are provided. The systems and methods involve dynamically altering electrostatic fields above the site and/or dynamically intervening in lightning discharges processes in the vicinity of the... | 07/12/2011 |
| 7327271 | Portable weather detector and alert system A portable weather detection and alarm device includes an electromagnetic signal receiver that receives digital time signals and atmospheric phenomenon signals. A processor connected to the electromagnetic signal receiver processes the atmospheric phenomenon signals... | 02/05/2008 |
| 7254484 | Detection of lightning A lightning detector for lightning detection and a lightning detection method, wherein the mobile lightning detector is provided with an antenna, an amplifier front-end, an A/D converter and a digital signal processor, and wherein the lightning detector is a mobile ... | 08/07/2007 |
| 7200418 | Detection of lightning The invention relates to a mobile radio-frequency enabled device. In order to enable a lightning detection by means of such a device, it comprises an electromagnetic interferences detection component detecting electromagnetic interferences in at least one radio-freq... | 04/03/2007 |
| 7181345 | Location-based weather nowcast system and method A method for providing a mobile user with updated weather nowcasts comprises: receiving a request from a user, the request being associated with a location, and for a period such as about an hour sending the user regular meteorological information regarding the loca... | 02/20/2007 |
| 7171308 | Weather station A weather station for providing weather information to a user, especially weather information related to lightning and severe thunderstorm activity. In accordance with the present invention, the weather station includes one or more antennas for receiving GPS transmi... | 01/30/2007 |
| 7049972 | Lightning strike hazard detector An accurate, fast-acting, wearable lightning strike hazard detector has a plurality of collecting plates for collection of arriving charged particles. The collecting plates are insulated from each other by an insulating mechanism. A connecting mechanism electrically... | 05/23/2006 |
| 7016785 | Lightning detection A mobile radio-frequency enabled device that provides a reliable and inexpensive lightning alerting of a user. The device comprises an electromagnetic interferences detection component detecting electromagnetic interferences in radio-frequency signals received by th... | 03/21/2006 |
| 6807043 | Apparatus for protecting electronic equipment by detecting thunder A protection apparatus for protecting electrical and electronic equipment from damage due to disturbances introduced by external electrical conductors. The apparatus employs one or more of the following methods to switch an interfacing relay from the operating state... | 10/19/2004 |
| 6788043 | Lightning detection and data acquisition system A lightning detection and data acquisition system. A plurality of remote programmable sensor is utilized to detect cloud to ground and IC lightning strikes. Analog representations of the lightning strikes are converted to digital signals. The digital signals are cla... | 09/07/2004 |
| 6625399 | Non-linear flash and lightning detection device A method and device for detecting and/or photographing unregulated light flash events such as lighting strikes and muzzle flashes during both daylight and night time conditions is disclosed. The present device utilizes a photodiode sensor in conjunction w... | 09/23/2003 |
| 6560538 | Displaying lightning strikes Lightning strikes are displayed as uniformly-structured (e.g., gaussian) kernels that decay in size and intensity over time. The lightning strikes may be displayed as they occur, or stored for later display. Overlapping areas of the kernels are displayed ... | 05/06/2003 |
| 6347549 | Enhancement of storm location from a single moving platform The location of weather activity from a moving platform such as an aircraft is enhanced using triangulation in time. More particularly, a first measurement of the weather activity is made relative to the aircraft at a first time. A second measurement of t... | 02/19/2002 |
| 6246367 | Lightning locating system A lightning detection system for detecting and locating an initial discharge of an initial leader stroke of a lightning flash. An initial lightning discharge produces a pulse that can be used to accurately detect lightning, and more particularly, the loca... | 06/12/2001 |
| 6243242 | Photographic lightning trigger devices A method and device for detecting and photographing unregulated light flash events such as lighting strikes during both daylight and night time conditions is disclosed by detecting the initiation of the lightning stepped leader event of the immediate ligh... | 06/05/2001 |
| 6164130 | Electromagnetic measuring system for meteorology A meteorological electromagnetic measuring system contains a plurality of measuring stations which are physically distributed in a given area. Each measuring station contains at least one spherics receiver to pick up spherics signals and a transmission de... | 12/26/2000 |
| 6012330 | Method and apparatus for the artificial triggering of lightning A method and apparatus is described whereby lightning within thunderheads and other cloud formations may be triggered in such a way as to minimize damage to surrounding structures and persons. The system consists of a high-pressure pump, accumulator, elec... | 01/11/2000 |
| 5801636 | Method and apparatus for seismic tornado detection A tornado warning system having means for monitoring seismic waves of a predetermined frequency range including long-period seismic waves and short-period seismic waves. The seismic waves are associated with and produced in the ground as a result of an ap... | 09/01/1998 |
| 5771020 | Lightning locating system A lightning detection system for detecting and locating an initial discharge of an initial leader stroke of a lightning flash. An initial lightning discharge produces a pulse that can be used to accurately detect lightning, and more particularly, the loca... | 06/23/1998 |
| 5585558 | Catastrophic event forecasting system and method The invention relates to systems and methods for forecasting catastrophic events. An embodiment of such a system includes at least one measuring station, the measuring station including means for generating a reproducible non-equilibrium process within a ... | 12/17/1996 |
| 5546800 | Early warning tornado detector An early warning tornado detector is provided. The detector utilizes a plurality of horizontally rotatable negative ion flow meters, each of said meters capable of taking measurements of negative ion flow in a linear direction. Means for recording said me... | 08/20/1996 |
| 5541501 | Lightning and storm warning method and apparatus A lightning ranging device which utilizes two frequencies in the field generated by a lightning discharge to determine range. The relative amplitudes of the outputs from two tuned receiver channels varies with distance from the lightning stroke. A two-dim... | 07/30/1996 |
| 5448161 | Transformer-coupled photodiode circuit for lightning and other light pulse detection An efficient optical radiation detector for lightning or other light signals such as pulses, bursts, flashes, and steady fluctuations. A silicon photodiode (or similar light-sensitive silicon device) is arranged to receive light signals (infrared, visible... | 09/05/1995 |
| 5428358 | Apparatus and method for ionospheric mapping This invention is a unique single-site method of determining the local total electron content (TEC) of the ionosphere and its space-time variation using a global positioning system (GPS) ionospheric receiver. The TEC of the ionosphere is specified in term... | 06/27/1995 |
| 5396220 | Storm warning system A lightning and storm warning system capable of distinguishing lightning flashes from other light flashes and indicating to an operator of the existence of a lightning flash even under high ambient illumination conditions. The device may include a visual ... | 03/07/1995 |
| 5379025 | Method and apparatus for seismic tornado detection A method and apparatus for detecting the seismic signal generated by a tornado and providing timely warning of the tornado's approach. The invention involves the use of a geophone or velocity transducer (3) to detect the seismic surface waves generated by... | 01/03/1995 |
| 5296842 | Thunder alarm The apparatus which predicts the onset of thunderstorm and the occurrence of close thunderbolts, includes a composite sensor with several metal pipes radially installed with equal separation on a hemispherical electrode. A plurality of corona needles are ... | 03/22/1994 |
| 5263368 | Hand-held lightning detection and ranging device A hand-held electronic apparatus for the detection and ranging of lightning strikes wherein radio frequency signals from lightning activity are filtered to allow selected low frequency emissions to be compared with standard voltages in order to activate l... | 11/23/1993 |
| 5083114 | Ground fault indicating device A current transformer detects a ground fault current and outputs a secondary current signal to heat a filament disposed in an airtight flash lamp upon the occurrence of a ground fault. With heating of the filament, an ignition material is ignited in the l... | 01/21/1992 |
| 5057820 | Optical warning system A lightning and strobe light detector and warning system capable of distinguishing strobe light and lightning flashes and indicating to an operator of the existence of a flash even under high illumination background conditions. The device may comprise a p... | 10/15/1991 |
| 5029101 | High voltage conductor mounted line powered monitoring system A hot-stick mountable, line powered, EHV conductor mounted environmental monitoring apparatus. The sensor module contains sensors for monitoring solar insolation, wind speed, lightning flashes, ambient temperature, relative humidity and dew point, precipi... | 07/02/1991 |
| 4912459 | Detection of lightning, storms and the like Detection of lightning, storms, or the like via sensing means connected between an external antenna and ground, plus alerting means including gate means and indicator means operatively connected to the sensing means. An unpowered cascaded emitter-follower... | 03/27/1990 |
| 4901564 | Electrical detection of thunderstorm microbursts An array of sensors responsive to atmospheric electrostatic fields is deployed, preferably with the sensors elevated above the ground. Suitable sensors are corona point sensors having a stainless steel needle. The corona current signals from the sensors a... | 02/20/1990 |
| 4894785 | High voltage conductor mounted line powered monitoring system A hot-stick mountable, line powered, EHV conductor mounted environmental monitoring apparatus. The sensor module contains sensors for monitoring solar insolation, wind speed, lightning flashes, ambient temperature, relative humidity and dew point, precipi... | 01/16/1990 |
| 4873483 | Multi input lightning detection system An apparatus for providing a map-like display of weather phenomena such as lightning discharges, in which the distance from an observation location to the source of the discharge is determined from the ratio of the integrated intensity of two different co... | 10/10/1989 |
| 4823115 | Detection of lightning, storms and the like Detection of lightning, storms, or the like via detecting means connected between an external antenna and ground, plus alerting means operatively connected to the detection means. An unpowered cascaded emitter-follower arrangement of at least a Darlington... | 04/18/1989 |
| 4812825 | Tornado warning system A tornado warning system uses a superhetrodyne receiver to detect electromagnetic energy produced by a tornado. The automatic gain control signal of the receiver is used to generate an intermediate signal having a time duration corresponding to the time w... | 03/14/1989 |
| 4806851 | Thunderstorm sensor and method of identifying and locating thunderstorms The thunderstorm sensor of the present invention includes a pair of orthogonally positioned magnetic loop antennas to provide signals representative of the north-south and east-west components of the magnetic field produced by a lightning discharge. The s... | 02/21/1989 |
| 4803421 | Multi input lightning detection system An apparatus for providing a map-like display of weather phenomena such as lightning discharges, in which the distance from an observation location to the source of the discharge is determined from the ratio of the integrated intensity of two different co... | 02/07/1989 |
