CH569263A5 - - Google Patents

Info

Publication number
CH569263A5
CH569263A5 CH671273A CH671273A CH569263A5 CH 569263 A5 CH569263 A5 CH 569263A5 CH 671273 A CH671273 A CH 671273A CH 671273 A CH671273 A CH 671273A CH 569263 A5 CH569263 A5 CH 569263A5
Authority
CH
Switzerland
Application number
CH671273A
Original Assignee
Snecma
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 filed Critical Snecma
Publication of CH569263A5 publication Critical patent/CH569263A5/xx

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)
CH671273A 1972-05-17 1973-05-11 CH569263A5 (sv)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH569263A5 true CH569263A5 (sv) 1975-11-14

Family

ID=9098645

Family Applications (1)

Application Number Title Priority Date Filing Date
CH671273A CH569263A5 (sv) 1972-05-17 1973-05-11

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2538034C2 (ru) * 2013-02-25 2015-01-10 Федеральное Государственное Унитарное Предприятие "Всероссийский Научно-Исследовательский Институт Физико-Технических И Радиотехнических Измерений" (Фгуп "Вниифтри") Бездемонтажный способ поверки виброакустических приемников

Families Citing this family (7)

* 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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2538034C2 (ru) * 2013-02-25 2015-01-10 Федеральное Государственное Унитарное Предприятие "Всероссийский Научно-Исследовательский Институт Физико-Технических И Радиотехнических Измерений" (Фгуп "Вниифтри") Бездемонтажный способ поверки виброакустических приемников
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

Also Published As

Publication number Publication date
US3832630A (en) 1974-08-27
GB1431221A (en) 1976-04-07
FR2184442B1 (sv) 1974-12-20
FR2184442A1 (sv) 1973-12-28

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Legal Events

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PL Patent ceased