JPS61167529U - - Google Patents
Info
- Publication number
- JPS61167529U JPS61167529U JP5255185U JP5255185U JPS61167529U JP S61167529 U JPS61167529 U JP S61167529U JP 5255185 U JP5255185 U JP 5255185U JP 5255185 U JP5255185 U JP 5255185U JP S61167529 U JPS61167529 U JP S61167529U
- Authority
- JP
- Japan
- Prior art keywords
- output
- comparator
- container
- signal
- sensing section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000005520 electrodynamics Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図は本考案による感知部の一例を示す断面
図、第２図は地震波のパワースペクトルの一例を
示す図、第３図は動電型地震感知器の構造の一例
を示す図、第４図は重錘落下型地震感知器の構造
の一例を示す図、第５図は新タイプの地震感知器
の一構成を示すブロツク図、第６図は新タイプの
地震感知器の感知部の一例を示す構造断面図、第
７図は本考案による地震感知器の構成を示すブロ
ツク図である。
２０……感知部、２１，６０……信号処理部、
２２……交流増幅器、２３，２５，５１，５２，
５３……コンパレータ、３１，４０……容器、３
２，４１，４２，４３……液体、３４，４６……
光源、３５，４７……受光素子、５４……利得調
節器。
Figure 1 is a cross-sectional view showing an example of the sensing section according to the present invention, Figure 2 is a diagram showing an example of the power spectrum of seismic waves, Figure 3 is a diagram showing an example of the structure of an electrodynamic seismic sensor, and Figure 4 is a diagram showing an example of the structure of an electrodynamic seismic sensor. The figure shows an example of the structure of a falling weight earthquake sensor, Figure 5 is a block diagram showing the configuration of a new type of earthquake sensor, and Figure 6 is an example of the sensing part of a new type of earthquake sensor. FIG. 7 is a block diagram showing the structure of the earthquake sensor according to the present invention. 20... Sensing unit, 21, 60... Signal processing unit,
22... AC amplifier, 23, 25, 51, 52,
53... Comparator, 31, 40... Container, 3
2,41,42,43...liquid, 34,46...
Light source, 35, 47... Light receiving element, 54... Gain adjuster.
Claims (1)
容器内の光を受光し電気信号に変換する受光素子
からなる感知部を備え、該感知部の出力レベルを
監視するコンバレータと該コンパレータの出力信
号に応じてゲインが変化する利得調節器と該利得
調節器の出力が所定値より大きいとき出力を発す
るコンパレータとを備えた信号処理部からなる地
震感知器。 A container containing a liquid, a light source that irradiates the inside of the container, a sensing section consisting of a light receiving element that receives light in the container and converts it into an electrical signal, a comparator that monitors the output level of the sensing section, and an output of the comparator. An earthquake sensor comprising a signal processing section including a gain adjuster whose gain changes according to a signal and a comparator that outputs an output when the output of the gain adjuster is larger than a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5255185U JPH0326432Y2 (en) | 1985-04-08 | 1985-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5255185U JPH0326432Y2 (en) | 1985-04-08 | 1985-04-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61167529U true JPS61167529U (en) | 1986-10-17 |
| JPH0326432Y2 JPH0326432Y2 (en) | 1991-06-07 |
Family
ID=30572603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5255185U Expired JPH0326432Y2 (en) | 1985-04-08 | 1985-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0326432Y2 (en) |
-
1985
- 1985-04-08 JP JP5255185U patent/JPH0326432Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0326432Y2 (en) | 1991-06-07 |