FR625596A - Perfectionnements aux dispositifs piézo-électriques - Google Patents

Perfectionnements aux dispositifs piézo-électriques

Info

Publication number
FR625596A
FR625596A FR625596DA FR625596A FR 625596 A FR625596 A FR 625596A FR 625596D A FR625596D A FR 625596DA FR 625596 A FR625596 A FR 625596A
Authority
FR
France
Prior art keywords
piezoelectric devices
piezoelectric
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
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR625596A publication Critical patent/FR625596A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
FR625596D 1926-12-02 1926-12-02 Perfectionnements aux dispositifs piézo-électriques Expired FR625596A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR625596T 1926-12-02

Publications (1)

Publication Number Publication Date
FR625596A true FR625596A (fr) 1927-08-13

Family

ID=8987818

Family Applications (1)

Application Number Title Priority Date Filing Date
FR625596D Expired FR625596A (fr) 1926-12-02 1926-12-02 Perfectionnements aux dispositifs piézo-électriques

Country Status (1)

Country Link
FR (1) FR625596A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2482914A (en) * 1945-06-27 1949-09-27 Rca Corp Signaling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2482914A (en) * 1945-06-27 1949-09-27 Rca Corp Signaling

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