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Class Information
Number: 340/690
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Position responsive > Geophysical (e.g., fault slip)
Description: Subject matter responsive to the position of parts of the earth relative to other parts of the earth.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7598884 |
Seismic warning system |
Oct. 6, 2009 |
| 7463162 |
Earthquake alarm system |
Dec. 9, 2008 |
| 7425902 |
Systems and methods for evaluating geological movements |
Sep. 16, 2008 |
| 7392139 |
System and method for providing earthquake data |
Jun. 24, 2008 |
| 7375646 |
Seismic detection and response system |
May. 20, 2008 |
| 7327271 |
Portable weather detector and alert system |
Feb. 5, 2008 |
| 7268557 |
Method and apparatus for predicting seismic events |
Sep. 11, 2007 |
| 7196634 |
Systems for predicting earthquakes and methods of employing such systems |
Mar. 27, 2007 |
| 7053784 |
System and method for monitoring alignment of a signal lamp |
May. 30, 2006 |
| 7042365 |
Seismic detection system and a method of operating the same |
May. 9, 2006 |
| 7006000 |
Earthquake detecting and warning device |
Feb. 28, 2006 |
| 7005993 |
Sensor apparatus and method for detecting earthquake generated P-waves and generating a responsive control signal |
Feb. 28, 2006 |
| 6960986 |
Support system using data carrier system |
Nov. 1, 2005 |
| 6909375 |
Seismic switch |
Jun. 21, 2005 |
| 6873265 |
Satellite and ground system for detection and forecasting of earthquakes |
Mar. 29, 2005 |
| 6870482 |
Systems for predicting earthquakes and methods of employing such systems |
Mar. 22, 2005 |
| 6775202 |
Method and a device for reproducing solid body vibrations for the prediction of fracture processes in solid bodies, particularly in the earth crust |
Aug. 10, 2004 |
| 6756701 |
Shock responsive momentary relay |
Jun. 29, 2004 |
| 6731220 |
Strong shaking judgment device and method |
May. 4, 2004 |
| 6670889 |
Mechanical transmission system for automatically breaking off in response to earthquake and method thereof |
Dec. 30, 2003 |
| 6664898 |
Multiple hazard field marker and components therefor |
Dec. 16, 2003 |
| 6661346 |
Gas, fire and earthquake detector |
Dec. 9, 2003 |
| 6530284 |
Geographical displacement sensing unit and monitoring apparatus using the same |
Mar. 11, 2003 |
| 6480115 |
Multiple hazard field marker and components therefor |
Nov. 12, 2002 |
| 6469639 |
Method and apparatus for low power, micro-electronic mechanical sensing and processing |
Oct. 22, 2002 |
| 6462665 |
Method and apparatus for sending a weather condition alert |
Oct. 8, 2002 |
| 6459379 |
Earthquake-alarm device |
Oct. 1, 2002 |
| 6414601 |
System and method for fire control during and after earthquakes |
Jul. 2, 2002 |
| 6392538 |
Advanced services interactive security system |
May. 21, 2002 |
| 6373396 |
Method for predicting seismic events |
Apr. 16, 2002 |
| 6370481 |
Apparatus and method for human presence detection in vehicles |
Apr. 9, 2002 |
| 6356204 |
Method and apparatus for detecting impending earthquakes |
Mar. 12, 2002 |
| 6342842 |
Earthquake alarm device |
Jan. 29, 2002 |
| 6307375 |
Seismic activity predictor in proximity with the earth including a dielectric for receiving precursor seismic electromagnetic waveforms |
Oct. 23, 2001 |
| 6295001 |
Tornado warning system |
Sep. 25, 2001 |
| 6278359 |
Motor vehicle diagnostic system |
Aug. 21, 2001 |
| 6265979 |
Earthquake sensing device |
Jul. 24, 2001 |
| 6266579 |
System for reducing disaster damage |
Jul. 24, 2001 |
| 6169476 |
Early warning system for natural and manmade disasters |
Jan. 2, 2001 |
| 6121888 |
Earthquake detector |
Sep. 19, 2000 |
| 6118386 |
Quaker--alerter w/radio-advisory and modular options |
Sep. 12, 2000 |
| 6114967 |
Quake-alerter w/radio-advisory and modular options |
Sep. 5, 2000 |
| 6100697 |
Seismic activity predictor in proximity with the earth including a dielectric for receiving precursor seismic electromagnetic waveforms |
Aug. 8, 2000 |
| 6097296 |
Apparatus and method for detecting tornadoes |
Aug. 1, 2000 |
| 6084525 |
Distress call emitting device |
Jul. 4, 2000 |
| 6034608 |
Tornado alarm system |
Mar. 7, 2000 |
| 6034614 |
Seismically activated apparatus |
Mar. 7, 2000 |
| 6018244 |
Method for detecting diastrophism by detecting VHF radio waves reflected by the ionosphere |
Jan. 25, 2000 |
| 6002339 |
Seismic synchronization system |
Dec. 14, 1999 |
| 5929767 |
Earthquake detector and alarm |
Jul. 27, 1999 |
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