FR902431A - Perfectionnements aux quartz oscillants piézo-électriques en forme de plaques - Google Patents

Perfectionnements aux quartz oscillants piézo-électriques en forme de plaques

Info

Publication number
FR902431A
FR902431A FR902431DA FR902431A FR 902431 A FR902431 A FR 902431A FR 902431D A FR902431D A FR 902431DA FR 902431 A FR902431 A FR 902431A
Authority
FR
France
Prior art keywords
shaped
quartz plate
piezoelectric oscillating
oscillating quartz
piezoelectric
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
Other languages
English (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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR902431A publication Critical patent/FR902431A/fr
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 elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
FR902431D 1943-04-14 1944-03-06 Perfectionnements aux quartz oscillants piézo-électriques en forme de plaques Expired FR902431A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE902431X 1943-04-14

Publications (1)

Publication Number Publication Date
FR902431A true FR902431A (fr) 1945-08-30

Family

ID=6861056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR902431D Expired FR902431A (fr) 1943-04-14 1944-03-06 Perfectionnements aux quartz oscillants piézo-électriques en forme de plaques

Country Status (1)

Country Link
FR (1) FR902431A (fr)

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