FR867901A - Perfectionnements aux cristaux piezo-électriques oscillants - Google Patents

Perfectionnements aux cristaux piezo-électriques oscillants

Info

Publication number
FR867901A
FR867901A FR867901DA FR867901A FR 867901 A FR867901 A FR 867901A FR 867901D A FR867901D A FR 867901DA FR 867901 A FR867901 A FR 867901A
Authority
FR
France
Prior art keywords
refinements
electric crystal
oscillating piezo
piezo
oscillating
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 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 Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
Application granted granted Critical
Publication of FR867901A publication Critical patent/FR867901A/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 devices; 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)
FR867901D 1938-08-31 1940-12-03 Perfectionnements aux cristaux piezo-électriques oscillants Expired FR867901A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE867901X 1938-08-31

Publications (1)

Publication Number Publication Date
FR867901A true FR867901A (fr) 1941-12-05

Family

ID=6802231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867901D Expired FR867901A (fr) 1938-08-31 1940-12-03 Perfectionnements aux cristaux piezo-électriques oscillants

Country Status (1)

Country Link
FR (1) FR867901A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2424636A1 (fr) * 1978-04-28 1979-11-23 Ebauches Sa Resonateur piezo-electrique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2424636A1 (fr) * 1978-04-28 1979-11-23 Ebauches Sa Resonateur piezo-electrique

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