EP0813725A4 - Earthquake sensor - Google Patents

Earthquake sensor

Info

Publication number
EP0813725A4
EP0813725A4 EP95935230A EP95935230A EP0813725A4 EP 0813725 A4 EP0813725 A4 EP 0813725A4 EP 95935230 A EP95935230 A EP 95935230A EP 95935230 A EP95935230 A EP 95935230A EP 0813725 A4 EP0813725 A4 EP 0813725A4
Authority
EP
European Patent Office
Prior art keywords
earthquake sensor
earthquake
sensor
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.)
Withdrawn
Application number
EP95935230A
Other languages
German (de)
French (fr)
Other versions
EP0813725A1 (en
Inventor
Meir Gitlis
Alon Zivon
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.)
Er Earthquake Ltd
E R EARTHQUAKE Ltd
Original Assignee
Er Earthquake Ltd
E R EARTHQUAKE Ltd
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
Priority claimed from US08/397,789 external-priority patent/US5539387A/en
Application filed by Er Earthquake Ltd, E R EARTHQUAKE Ltd filed Critical Er Earthquake Ltd
Priority claimed from PCT/US1995/012531 external-priority patent/WO1996027865A1/en
Publication of EP0813725A1 publication Critical patent/EP0813725A1/en
Publication of EP0813725A4 publication Critical patent/EP0813725A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G01V1/01—
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Electromagnetism (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
EP95935230A 1995-03-03 1995-09-27 Earthquake sensor Withdrawn EP0813725A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US397789 1995-03-03
US08/397,789 US5539387A (en) 1994-06-01 1995-03-03 Earthquake sensor
PCT/US1995/012531 WO1996027865A1 (en) 1994-06-01 1995-09-27 Earthquake sensor

Publications (2)

Publication Number Publication Date
EP0813725A1 EP0813725A1 (en) 1997-12-29
EP0813725A4 true EP0813725A4 (en) 1998-06-10

Family

ID=23572632

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95935230A Withdrawn EP0813725A4 (en) 1995-03-03 1995-09-27 Earthquake sensor

Country Status (7)

Country Link
EP (1) EP0813725A4 (en)
KR (1) KR19980702746A (en)
CN (1) CN1102784C (en)
AU (1) AU721303B2 (en)
CA (1) CA2214440A1 (en)
MX (1) MX9706603A (en)
NZ (1) NZ294505A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101938839B1 (en) 2018-04-10 2019-04-10 (주)썬래이 LED lighting fixture with earthquake warning function
KR101938815B1 (en) 2018-04-10 2019-04-10 (주)썬래이 LED with seismic alarm function Dimming and lighting control box for illuminator
KR102412201B1 (en) 2018-12-28 2022-06-23 조원아 Disaster and disaster warning system using a composite sensor that can be used in stand-alone or in various electrical and electronic devices
KR102088682B1 (en) 2018-12-28 2020-03-13 이건국 Combined sensor of light quantity sensor and multifunctional disaster alarm system using it
KR102268808B1 (en) 2018-12-28 2021-06-23 강승오 Disaster and disaster warning system using a composite sensor that can be used in stand-alone or in various electrical and electronic devices
KR102347585B1 (en) 2018-12-28 2022-01-06 조원아 Disaster and disaster warning system using a composite sensor that can be used in stand-alone or in various electrical and electronic devices
KR102183039B1 (en) 2020-06-23 2020-11-25 서재의 Alarm device with non-directional vibration detection function and vibration analysis function, and handrail including the same
KR102480744B1 (en) 2020-12-18 2022-12-22 조원아 Disaster and disaster warning device using a composite sensor built in electrical and electronic devices
KR102644913B1 (en) * 2021-12-21 2024-03-06 대전대학교 산학협력단 A monitoring system using pendulum motion for risk assessment of temporary structures

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5575677A (en) * 1978-12-01 1980-06-07 Morihiko Sato Watch with automatic alarm for earthquake
US4262289A (en) * 1978-10-02 1981-04-14 Rivera Jose D C Seismic tremor sensor alarm
US4359722A (en) * 1977-10-06 1982-11-16 Valdez Alfredo A Earthquake detection system with pendulum switch
US4689997A (en) * 1985-12-24 1987-09-01 Windisch David E Motion detector suitable for detecting earthquakes and the like
US4945347A (en) * 1988-03-17 1990-07-31 Perry John C Motion and orientation responsive device for seismic, intrusion, and tilt alarms and the like
JPH0579895A (en) * 1991-09-24 1993-03-30 Idec Izumi Corp Earthquake sensor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484186A (en) * 1981-11-20 1984-11-20 Wood Lawrence R Earthquake indicator
CN1012021B (en) * 1988-07-28 1991-03-13 四川省地质矿产局二○七地质队 Receiver of alternative electric information for premonition of earthquake

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359722A (en) * 1977-10-06 1982-11-16 Valdez Alfredo A Earthquake detection system with pendulum switch
US4262289A (en) * 1978-10-02 1981-04-14 Rivera Jose D C Seismic tremor sensor alarm
JPS5575677A (en) * 1978-12-01 1980-06-07 Morihiko Sato Watch with automatic alarm for earthquake
US4689997A (en) * 1985-12-24 1987-09-01 Windisch David E Motion detector suitable for detecting earthquakes and the like
US4945347A (en) * 1988-03-17 1990-07-31 Perry John C Motion and orientation responsive device for seismic, intrusion, and tilt alarms and the like
JPH0579895A (en) * 1991-09-24 1993-03-30 Idec Izumi Corp Earthquake sensor

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 004, no. 122 (P - 025) 29 August 1980 (1980-08-29) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 412 (P - 1583) 30 July 1993 (1993-07-30) *
See also references of WO9627865A1 *

Also Published As

Publication number Publication date
NZ294505A (en) 1998-11-25
AU721303B2 (en) 2000-06-29
CA2214440A1 (en) 1996-09-12
CN1102784C (en) 2003-03-05
CN1177411A (en) 1998-03-25
MX9706603A (en) 1998-02-28
AU3732695A (en) 1996-09-23
EP0813725A1 (en) 1997-12-29
KR19980702746A (en) 1998-08-05

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