FR2264423B1 - - Google Patents

Info

Publication number
FR2264423B1
FR2264423B1 FR7408317A FR7408317A FR2264423B1 FR 2264423 B1 FR2264423 B1 FR 2264423B1 FR 7408317 A FR7408317 A FR 7408317A FR 7408317 A FR7408317 A FR 7408317A FR 2264423 B1 FR2264423 B1 FR 2264423B1
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
FR7408317A
Other languages
French (fr)
Other versions
FR2264423A1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7408317A priority Critical patent/FR2264423A1/en
Publication of FR2264423A1 publication Critical patent/FR2264423A1/en
Application granted granted Critical
Publication of FR2264423B1 publication Critical patent/FR2264423B1/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 devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/48—Coupling means therefor
    • H03H9/50—Mechanical coupling means

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR7408317A 1974-03-12 1974-03-12 Filter with narrow frequency pass-bond - uses resonators each comprising cylindrical tube vibrating longitudinally Granted FR2264423A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7408317A FR2264423A1 (en) 1974-03-12 1974-03-12 Filter with narrow frequency pass-bond - uses resonators each comprising cylindrical tube vibrating longitudinally

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7408317A FR2264423A1 (en) 1974-03-12 1974-03-12 Filter with narrow frequency pass-bond - uses resonators each comprising cylindrical tube vibrating longitudinally

Publications (2)

Publication Number Publication Date
FR2264423A1 FR2264423A1 (en) 1975-10-10
FR2264423B1 true FR2264423B1 (en) 1978-01-06

Family

ID=9136169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7408317A Granted FR2264423A1 (en) 1974-03-12 1974-03-12 Filter with narrow frequency pass-bond - uses resonators each comprising cylindrical tube vibrating longitudinally

Country Status (1)

Country Link
FR (1) FR2264423A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2346900A1 (en) * 1975-11-20 1977-10-28 Lignes Telegraph Telephon ELECTROMECHANICAL FILTERS

Also Published As

Publication number Publication date
FR2264423A1 (en) 1975-10-10

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Legal Events

Date Code Title Description
ST Notification of lapse