Method of multi-triggering

Patent metadata

Field	Value
Publication number	US-9720115-B2
Application number	US-201514857834-A
Country	US
Kind code	B2
Filing date	Sep 18, 2015
Priority date	Dec 24, 2014
Publication date	Aug 1, 2017
Grant date	Aug 1, 2017

Abstract

A method of multi-triggering includes calculating a specific distance according to a plurality of parameters, deploying a plurality of earthquake detectors used for detecting a vertical acceleration of a surface vibration of the earth, and determining whether an earthquake happens or not according to the plurality of earthquake detectors.

First claim

What is claimed is:

1. A method of multi-triggering to determine whether an earthquake occurs, the method comprising:
calculating a specific distance according to a plurality of parameters;
deploying a plurality of earthquake detectors according to the specific distance, wherein the plurality of earthquake detectors are utilized for detecting a vertical acceleration of an earth surface vibration; and
determining whether an earthquake occurs according to whether or not the plurality of earthquake detectors are simultaneously triggered.

2. The method of claim 1 , wherein the plurality of parameters comprise a sampling frequency of an earthquake detecting system and a propagation velocity of an earthquake wave.

3. The method of claim 1 , wherein the step of deploying the plurality of earthquake detectors according to the specific distance comprises:
deploying a first earthquake detector of the plurality of earthquake detectors at a first vertical distance below a first surface point; and
deploying a second earthquake detector at a second vertical distance above a second surface point, separated from the first surface point by the specific distance.

4. The method of claim 3 , wherein the specific distance is substantially 100 meters, and the first vertical distance is substantially 2 meters.

5. The method of claim 1 , wherein the step of deploying the plurality of earthquake detectors according to the specific distance comprises:
deploying a first earthquake detector of the plurality of earthquake detectors at a first vertical distance below a first surface point; and
deploying a second earthquake detector at the specific distance below a second surface point.

6. The method of claim 5 , wherein the specific distance is substantially 40-50 meters, and the first vertical distance is substantially 2 meters.

7. The method of claim 1 , wherein the step of determining whether an earthquake occurs according to the plurality of earthquake detectors comprises:
determining an earthquake occurs and sending an earthquake indication signal when the earth surface vibration triggers all of the plurality of earthquake detectors.

8. The method of claim 1 , wherein the step of determining whether an earthquake occurs according to the plurality of earthquake detectors comprises:
determining an earthquake does not occur when the earth surface vibration does not trigger all of the plurality of earthquake detectors.

9. The method of claim 1 , further comprising configuring a plurality of triggering thresholds of the plurality of earthquake detectors.

10. The method of claim 9 , wherein the plurality of earthquake detectors are triggered when the vertical acceleration of the earth surface vibration is greater than the plurality of triggering thresholds.

Assignees

• Nat Applied Res Laboratories

Inventors

• Chiang Hung-Wei
• Lin Pei-Yang
• Lu Kung-Chun
• Huang Shieh-Kung
• Hsu Ting-Yu

Classifications

• G01V1/168

  Deployment of receiver elements (G01V1/3843 takes precedence) · CPC title

• G01V1/008 Primary

  Physics · mapped topic

• G01V1/01 Primary

  Measuring or predicting earthquakes · CPC title