FR2414824A1 - Filtre a barreau magnetostrictif - Google Patents

Filtre a barreau magnetostrictif

Info

Publication number
FR2414824A1
FR2414824A1 FR7800709A FR7800709A FR2414824A1 FR 2414824 A1 FR2414824 A1 FR 2414824A1 FR 7800709 A FR7800709 A FR 7800709A FR 7800709 A FR7800709 A FR 7800709A FR 2414824 A1 FR2414824 A1 FR 2414824A1
Authority
FR
France
Prior art keywords
bar
magnetostrictive
surrounded
filter
filters
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.)
Granted
Application number
FR7800709A
Other languages
English (en)
French (fr)
Other versions
FR2414824B1 (enExample
Inventor
Rene Georges Deschamps
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.)
Societe Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Priority to FR7800709A priority Critical patent/FR2414824A1/fr
Priority to US06/002,102 priority patent/US4257022A/en
Publication of FR2414824A1 publication Critical patent/FR2414824A1/fr
Application granted granted Critical
Publication of FR2414824B1 publication Critical patent/FR2414824B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/62—Filters comprising resonators of magnetostrictive material

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
FR7800709A 1978-01-11 1978-01-11 Filtre a barreau magnetostrictif Granted FR2414824A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7800709A FR2414824A1 (fr) 1978-01-11 1978-01-11 Filtre a barreau magnetostrictif
US06/002,102 US4257022A (en) 1978-01-11 1979-01-09 Magnetostrictive rod filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7800709A FR2414824A1 (fr) 1978-01-11 1978-01-11 Filtre a barreau magnetostrictif

Publications (2)

Publication Number Publication Date
FR2414824A1 true FR2414824A1 (fr) 1979-08-10
FR2414824B1 FR2414824B1 (enExample) 1980-08-22

Family

ID=9203329

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7800709A Granted FR2414824A1 (fr) 1978-01-11 1978-01-11 Filtre a barreau magnetostrictif

Country Status (2)

Country Link
US (1) US4257022A (enExample)
FR (1) FR2414824A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004078367A1 (en) * 2003-03-03 2004-09-16 Adaptive Materials Technology Oy A damping and actuating apparatus comprising magnetostrictive material, a vibration dampening device and use of said apparatus
JP4007333B2 (ja) * 2004-03-19 2007-11-14 ソニー株式会社 磁歪アクチュエータ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997599A (en) * 1932-07-19 1935-04-16 Pierce George Washington Electric filter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1882396A (en) * 1927-12-31 1932-10-11 George W Pierce Magnetostrictive transformer
US1882394A (en) * 1928-03-23 1932-10-11 Pierce George Washington Magnetostrictive vibrator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997599A (en) * 1932-07-19 1935-04-16 Pierce George Washington Electric filter

Also Published As

Publication number Publication date
US4257022A (en) 1981-03-17
FR2414824B1 (enExample) 1980-08-22

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Legal Events

Date Code Title Description
ST Notification of lapse