JPS5370475A - Vibration detector - Google Patents

Vibration detector

Info

Publication number
JPS5370475A
JPS5370475A JP14522576A JP14522576A JPS5370475A JP S5370475 A JPS5370475 A JP S5370475A JP 14522576 A JP14522576 A JP 14522576A JP 14522576 A JP14522576 A JP 14522576A JP S5370475 A JPS5370475 A JP S5370475A
Authority
JP
Japan
Prior art keywords
vibration detector
switch
earthquakes
oscillations
actuating
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
Application number
JP14522576A
Other languages
Japanese (ja)
Other versions
JPS5617005B2 (en
Inventor
Susumu Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Corp
Original Assignee
TDK Corp
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 by TDK Corp filed Critical TDK Corp
Priority to JP14522576A priority Critical patent/JPS5370475A/en
Publication of JPS5370475A publication Critical patent/JPS5370475A/en
Publication of JPS5617005B2 publication Critical patent/JPS5617005B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
    • H01H35/147—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch the switch being of the reed switch type

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)

Abstract

PURPOSE: To improve reliability by detecting the oscillations of a lead switch suspended between two sets of permanent magnets and actuating the contacts of the switch, in the detection, etc. of earthquakes.
COPYRIGHT: (C)1978,JPO&Japio
JP14522576A 1976-12-03 1976-12-03 Vibration detector Granted JPS5370475A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14522576A JPS5370475A (en) 1976-12-03 1976-12-03 Vibration detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14522576A JPS5370475A (en) 1976-12-03 1976-12-03 Vibration detector

Publications (2)

Publication Number Publication Date
JPS5370475A true JPS5370475A (en) 1978-06-22
JPS5617005B2 JPS5617005B2 (en) 1981-04-20

Family

ID=15380230

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14522576A Granted JPS5370475A (en) 1976-12-03 1976-12-03 Vibration detector

Country Status (1)

Country Link
JP (1) JPS5370475A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6080714U (en) * 1983-11-05 1985-06-05 益山興業株式会社 Container with application brush
JPS61173810U (en) * 1985-04-17 1986-10-29

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4929685A (en) * 1972-07-11 1974-03-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4929685A (en) * 1972-07-11 1974-03-16

Also Published As

Publication number Publication date
JPS5617005B2 (en) 1981-04-20

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