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FR2821426B1 - PRESSURE MEASUREMENT DEVICE WITHIN A SPEAKER AND METHOD USING THE SAME - Google Patents

PRESSURE MEASUREMENT DEVICE WITHIN A SPEAKER AND METHOD USING THE SAME

Info

Publication number
FR2821426B1
FR2821426B1 FR0102607A FR0102607A FR2821426B1 FR 2821426 B1 FR2821426 B1 FR 2821426B1 FR 0102607 A FR0102607 A FR 0102607A FR 0102607 A FR0102607 A FR 0102607A FR 2821426 B1 FR2821426 B1 FR 2821426B1
Authority
FR
France
Prior art keywords
speaker
same
measurement device
pressure measurement
pressure
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.)
Expired - Fee Related
Application number
FR0102607A
Other languages
French (fr)
Other versions
FR2821426A1 (en
Inventor
Benoit Linglin
Milhomme Didier Anthoine
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.)
SEB SA
Original Assignee
SEB SA
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 SEB SA filed Critical SEB SA
Priority to FR0102607A priority Critical patent/FR2821426B1/en
Priority to PCT/FR2002/000610 priority patent/WO2002068920A1/en
Publication of FR2821426A1 publication Critical patent/FR2821426A1/en
Application granted granted Critical
Publication of FR2821426B1 publication Critical patent/FR2821426B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
FR0102607A 2001-02-26 2001-02-26 PRESSURE MEASUREMENT DEVICE WITHIN A SPEAKER AND METHOD USING THE SAME Expired - Fee Related FR2821426B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0102607A FR2821426B1 (en) 2001-02-26 2001-02-26 PRESSURE MEASUREMENT DEVICE WITHIN A SPEAKER AND METHOD USING THE SAME
PCT/FR2002/000610 WO2002068920A1 (en) 2001-02-26 2002-02-18 Device for measuring pressure inside an enclosure and method using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0102607A FR2821426B1 (en) 2001-02-26 2001-02-26 PRESSURE MEASUREMENT DEVICE WITHIN A SPEAKER AND METHOD USING THE SAME

Publications (2)

Publication Number Publication Date
FR2821426A1 FR2821426A1 (en) 2002-08-30
FR2821426B1 true FR2821426B1 (en) 2004-05-14

Family

ID=8860461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0102607A Expired - Fee Related FR2821426B1 (en) 2001-02-26 2001-02-26 PRESSURE MEASUREMENT DEVICE WITHIN A SPEAKER AND METHOD USING THE SAME

Country Status (2)

Country Link
FR (1) FR2821426B1 (en)
WO (1) WO2002068920A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113375631B (en) * 2021-06-08 2023-04-25 长安大学 Device and method for measuring maximum deformation of gyro optical fiber ring under acceleration field

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608381C2 (en) * 1976-03-01 1978-03-30 Hottinger Baldwin Messtechnik Gmbh, 6100 Darmstadt Transmitter
US4722451A (en) * 1986-08-22 1988-02-02 General Electric Company Synthetic polymeric resin vacuum container with indicator
DE3919405A1 (en) * 1989-06-14 1990-12-20 Heinz Faulhammer Container esp. for perishable food - has membrane bowing if internal pressure increases to indicate decay of contents
FR2692870B1 (en) * 1992-06-24 1996-06-07 Michel Bastien DEVICE FOR CONTROLLING THE MAINTENANCE OF A PRESSURE LEVEL IN AN ENCLOSURE

Also Published As

Publication number Publication date
WO2002068920A1 (en) 2002-09-06
FR2821426A1 (en) 2002-08-30

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 16

PLFP Fee payment

Year of fee payment: 17

CA Change of address

Effective date: 20170322

ST Notification of lapse

Effective date: 20181031