FR1270845A - Electro-mechanical filtering devices - Google Patents

Electro-mechanical filtering devices

Info

Publication number
FR1270845A
FR1270845A FR838771A FR838771A FR1270845A FR 1270845 A FR1270845 A FR 1270845A FR 838771 A FR838771 A FR 838771A FR 838771 A FR838771 A FR 838771A FR 1270845 A FR1270845 A FR 1270845A
Authority
FR
France
Prior art keywords
electro
filtering devices
mechanical filtering
mechanical
devices
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
Application number
FR838771A
Other languages
French (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR838771A priority Critical patent/FR1270845A/en
Application granted granted Critical
Publication of FR1270845A publication Critical patent/FR1270845A/en
Expired 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)
FR838771A 1959-09-18 1960-09-16 Electro-mechanical filtering devices Expired FR1270845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR838771A FR1270845A (en) 1959-09-18 1960-09-16 Electro-mechanical filtering devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL243515 1959-09-18
FR838771A FR1270845A (en) 1959-09-18 1960-09-16 Electro-mechanical filtering devices

Publications (1)

Publication Number Publication Date
FR1270845A true FR1270845A (en) 1961-09-01

Family

ID=26187515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838771A Expired FR1270845A (en) 1959-09-18 1960-09-16 Electro-mechanical filtering devices

Country Status (1)

Country Link
FR (1) FR1270845A (en)

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