FR871667A - Improvements to electric quartz oscillators - Google Patents

Improvements to electric quartz oscillators

Info

Publication number
FR871667A
FR871667A FR871667DA FR871667A FR 871667 A FR871667 A FR 871667A FR 871667D A FR871667D A FR 871667DA FR 871667 A FR871667 A FR 871667A
Authority
FR
France
Prior art keywords
quartz oscillators
electric quartz
electric
oscillators
quartz
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
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.)
Optique et Precision de Levallois SA
Original Assignee
Optique et Precision de Levallois SA
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 Optique et Precision de Levallois SA filed Critical Optique et Precision de Levallois SA
Application granted granted Critical
Publication of FR871667A publication Critical patent/FR871667A/en
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
FR871667D 1941-04-22 1941-04-22 Improvements to electric quartz oscillators Expired FR871667A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR871667T 1941-04-22

Publications (1)

Publication Number Publication Date
FR871667A true FR871667A (en) 1942-05-05

Family

ID=9357357

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871667D Expired FR871667A (en) 1941-04-22 1941-04-22 Improvements to electric quartz oscillators

Country Status (1)

Country Link
FR (1) FR871667A (en)

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