JPS63148840U - - Google Patents

Info

Publication number
JPS63148840U
JPS63148840U JP4158987U JP4158987U JPS63148840U JP S63148840 U JPS63148840 U JP S63148840U JP 4158987 U JP4158987 U JP 4158987U JP 4158987 U JP4158987 U JP 4158987U JP S63148840 U JPS63148840 U JP S63148840U
Authority
JP
Japan
Prior art keywords
signal
hold circuit
seismic intensity
peak hold
peak
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.)
Pending
Application number
JP4158987U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4158987U priority Critical patent/JPS63148840U/ja
Publication of JPS63148840U publication Critical patent/JPS63148840U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Emergency Alarm Devices (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図はこの考案の一実施例を示し、第１図は電気
回路図、第２図はタイミングチヤート図を夫々示
している。 The figures show one embodiment of this invention, with FIG. 1 showing an electric circuit diagram and FIG. 2 showing a timing chart.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 振動センサの信号を増幅手段で増幅し、その信
号をピークホールド回路でピーク値を保持すると
共に、比較器で比較し震度に応じて表示装置及び
アラーム音で一定期間報知後、ピークホールド回
路をリセツトして初期化することを特徴とした震
度報知装置。 The signal from the vibration sensor is amplified by an amplifying means, the signal is held at its peak value by a peak hold circuit, the signal is compared by a comparator, and the peak hold circuit is reset after being notified for a certain period of time by a display device and an alarm sound depending on the seismic intensity. A seismic intensity alarm device that is initialized by
JP4158987U 1987-03-20 1987-03-20 Pending JPS63148840U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4158987U JPS63148840U (en) 1987-03-20 1987-03-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4158987U JPS63148840U (en) 1987-03-20 1987-03-20

Publications (1)

Publication Number Publication Date
JPS63148840U true JPS63148840U (en) 1988-09-30

Family

ID=30856728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4158987U Pending JPS63148840U (en) 1987-03-20 1987-03-20

Country Status (1)

Country Link
JP (1) JPS63148840U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5537950A (en) * 1978-09-12 1980-03-17 Shinken:Kk Earthquake sensor
JPS5636022B2 (en) * 1976-03-24 1981-08-21

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5636022B2 (en) * 1976-03-24 1981-08-21
JPS5537950A (en) * 1978-09-12 1980-03-17 Shinken:Kk Earthquake sensor

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