FR2184442B1 - - Google Patents

Info

Publication number
FR2184442B1
FR2184442B1 FR7217608A FR7217608A FR2184442B1 FR 2184442 B1 FR2184442 B1 FR 2184442B1 FR 7217608 A FR7217608 A FR 7217608A FR 7217608 A FR7217608 A FR 7217608A FR 2184442 B1 FR2184442 B1 FR 2184442B1
Authority
FR
France
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
Application number
FR7217608A
Other versions
FR2184442A1 (fr
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.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR7217608A priority Critical patent/FR2184442B1/fr
Priority to CH671273A priority patent/CH569263A5/xx
Priority to US00360674A priority patent/US3832630A/en
Priority to GB2351773A priority patent/GB1431221A/en
Publication of FR2184442A1 publication Critical patent/FR2184442A1/fr
Application granted granted Critical
Publication of FR2184442B1 publication Critical patent/FR2184442B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/22—Measuring piezoelectric properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H13/00—Measuring resonant frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR7217608A 1972-05-17 1972-05-17 Expired FR2184442B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7217608A FR2184442B1 (fr) 1972-05-17 1972-05-17
CH671273A CH569263A5 (fr) 1972-05-17 1973-05-11
US00360674A US3832630A (en) 1972-05-17 1973-05-16 Method and apparatus of measuring the characteristic resonance frequency of an electric element
GB2351773A GB1431221A (en) 1972-05-17 1973-05-17 Apparatus for measuring the characteristic resonance frequency of an electric element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7217608A FR2184442B1 (fr) 1972-05-17 1972-05-17

Publications (2)

Publication Number Publication Date
FR2184442A1 FR2184442A1 (fr) 1973-12-28
FR2184442B1 true FR2184442B1 (fr) 1974-12-20

Family

ID=9098645

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7217608A Expired FR2184442B1 (fr) 1972-05-17 1972-05-17

Country Status (4)

Country Link
US (1) US3832630A (fr)
CH (1) CH569263A5 (fr)
FR (1) FR2184442B1 (fr)
GB (1) GB1431221A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015202A (en) * 1975-10-01 1977-03-29 Chevron Research Company Automatic measurement and display of resonance frequencies of seismic detection elements
FR2427589A1 (fr) * 1978-06-01 1979-12-28 Mo Lesotekhnichesky Insti Dispositif de mesure des frequences de resonance et d'antiresonance des resonateurs piezo-electriques
AT369549B (de) * 1981-02-10 1983-01-10 List Hans Pruefeinrichtung zur bestimmung von schwingungseigenschaften
US4644259A (en) * 1984-10-31 1987-02-17 North American Philips Corporation Nondestructive testing of multilayer ceramic capacitors
AT387286B (de) * 1986-12-19 1988-12-27 Avl Verbrennungskraft Messtech Verfahren und einrichtung zur bestimmung von schwingungseigenschaften sowie zum betreiben eines piezoelektrischen wandlers
US5955855A (en) * 1997-04-09 1999-09-21 Medar, Inc. Method and system for tuning a drive to its coupled motor to minimize motor resonance and sensing device for use therein
RU2538034C9 (ru) * 2013-02-25 2015-07-20 Федеральное Государственное Унитарное Предприятие "Всероссийский Научно-Исследовательский Институт Физико-Технических И Радиотехнических Измерений" (Фгуп "Вниифтри") Бездемонтажный способ поверки виброакустических приемников
RU2541119C1 (ru) * 2013-09-20 2015-02-10 Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук Способ измерения резонансной частоты

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476954A (en) * 1945-10-23 1949-07-26 Crystal Res Lab Inc Apparatus for determining resonant frequency of piezoelectric quartz crystal blanks
US2681431A (en) * 1951-05-09 1954-06-15 Honeywell Regulator Co Rebalanceable alternating-current bridge for frequency measurement
US2976604A (en) * 1956-04-13 1961-03-28 Research Corp Measurement of piezoelectric crystal characteristics
US3049666A (en) * 1958-01-31 1962-08-14 Norman J Anderson Method and apparatus for measurement of dynamic dissipation and related factors
US3026479A (en) * 1959-11-23 1962-03-20 Bell Telephone Labor Inc Null type transistor alpha greater than unity measuring set
US3095254A (en) * 1961-07-28 1963-06-25 Industrial Nucleonics Corp Indicating and recording device
US3230448A (en) * 1962-09-21 1966-01-18 Aga Ab Impedance measuring bridge circuit
US3562641A (en) * 1968-11-25 1971-02-09 Gen Radio Co Impedance-measuring transformer bridge with automatic digital balancing circuit

Also Published As

Publication number Publication date
GB1431221A (en) 1976-04-07
US3832630A (en) 1974-08-27
FR2184442A1 (fr) 1973-12-28
CH569263A5 (fr) 1975-11-14

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Legal Events

Date Code Title Description
ST Notification of lapse