NL7901771A - Trillingsmeter. - Google Patents

Trillingsmeter.

Info

Publication number: NL7901771A
Authority: NL; Netherlands
Prior art keywords: vibration meter; meter; vibration
Prior art date: 1978-04-27

Application number

NL7901771A

Other languages

English (en)

Original Assignee

Mark Products

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.)

1978-04-27

Filing date

1979-03-06

Publication date

1979-10-30

1979-03-06 Application filed by Mark Products filed Critical Mark Products

1979-10-30 Publication of NL7901771A publication Critical patent/NL7901771A/nl

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
- G01V1/181—Geophones
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/02—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by magnetic means, e.g. reluctance
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
- G01V1/181—Geophones
- G01V1/182—Geophones with moving coil

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Remote Sensing (AREA)
Life Sciences & Earth Sciences (AREA)
General Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Environmental & Geological Engineering (AREA)
Geology (AREA)
General Life Sciences & Earth Sciences (AREA)
Geophysics (AREA)
Geophysics And Detection Of Objects (AREA)
Magnetic Resonance Imaging Apparatus (AREA)

NL7901771A 1978-04-27 1979-03-06 Trillingsmeter. NL7901771A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US90051278A	1978-04-27	1978-04-27

Publications (1)

Publication Number	Publication Date
NL7901771A true NL7901771A (nl)	1979-10-30

Family

ID=25412642

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7901771A NL7901771A (nl)	1978-04-27	1979-03-06	Trillingsmeter.

Country Status (5)

Country	Link
BE (1)	BE875235A (nl)
DE (1)	DE2852565A1 (nl)
FR (1)	FR2424550A1 (nl)
GB (1)	GB2022359A (nl)
NL (1)	NL7901771A (nl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2214724A (en) *	1988-01-28	1989-09-06	Custom Dev Ltd	Permanent magnet electric motor
JPH06323897A (ja) *	1993-05-17	1994-11-25	N D R:Kk	振動・衝撃検知用センサ
JPH11258353A (ja) *	1998-03-10	1999-09-24	Tomoo Matsuo	地嵐表示装置とそれを用いた地球変動予知装置
US6922374B2 (en) *	2001-04-09	2005-07-26	Input/Output, Inc.	Double-ended geophone
DE102006016355A1 (de)	2006-04-05	2007-10-18	Vega Grieshaber Kg	Vibrationssensor
DE102009008789A1 (de) *	2009-02-13	2010-09-02	Geolab S.A.S.	Akustischer Sensor mit hoher Empfindlichkeit
US8050144B2 (en)	2009-07-08	2011-11-01	Geospace Technologies Lp	Vertical geophone having improved distortion characteristics
US8208347B2 (en)	2009-07-08	2012-06-26	Geospace Technologies, Lp	Geophone having improved damping control
US8098546B2 (en)	2009-07-08	2012-01-17	Geospace Technologies, Lp	Geophone having improved sensitivity
SE538479C2 (sv) *	2013-06-20	2016-07-26	Uhlin Per-Axel	Vibrationssensor för registrering av vibrationer i vibrationssensorns vertikala och horisontella led

1978
- 1978-12-05 DE DE19782852565 patent/DE2852565A1/de not_active Withdrawn
1979
- 1979-01-12 GB GB7901222A patent/GB2022359A/en not_active Withdrawn
- 1979-03-06 NL NL7901771A patent/NL7901771A/nl not_active Application Discontinuation
- 1979-03-08 FR FR7905951A patent/FR2424550A1/fr not_active Withdrawn
- 1979-03-30 BE BE0/194337A patent/BE875235A/xx unknown

Also Published As

Publication number	Publication date
BE875235A (fr)	1979-07-16
FR2424550A1 (fr)	1979-11-23
GB2022359A (en)	1979-12-12
DE2852565A1 (de)	1979-10-31

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Legal Events

Date	Code	Title	Description
1981-11-02	BV	The patent application has lapsed