FR626461A - Amplifier for a device for maintaining the vibrations of a tuning fork by means of triode lamps - Google Patents

Amplifier for a device for maintaining the vibrations of a tuning fork by means of triode lamps

Info

Publication number
FR626461A
FR626461A FR626461DA FR626461A FR 626461 A FR626461 A FR 626461A FR 626461D A FR626461D A FR 626461DA FR 626461 A FR626461 A FR 626461A
Authority
FR
France
Prior art keywords
triode
lamps
vibrations
amplifier
maintaining
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)
Inventor
Alexandre-Ernest-Leo Bertrand
Louis-Antoine-Rene Brieu
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 filed Critical
Application granted granted Critical
Publication of FR626461A publication Critical patent/FR626461A/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
FR626461D 1926-03-29 1926-03-29 Amplifier for a device for maintaining the vibrations of a tuning fork by means of triode lamps Expired FR626461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR626461T 1926-03-29

Publications (1)

Publication Number Publication Date
FR626461A true FR626461A (en) 1927-09-07

Family

ID=8988391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR626461D Expired FR626461A (en) 1926-03-29 1926-03-29 Amplifier for a device for maintaining the vibrations of a tuning fork by means of triode lamps

Country Status (1)

Country Link
FR (1) FR626461A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1180800B (en) * 1960-09-27 1964-11-05 Siemens Ag Electro-magnetically driven oscillating system that can be used as a frequency standard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1180800B (en) * 1960-09-27 1964-11-05 Siemens Ag Electro-magnetically driven oscillating system that can be used as a frequency standard

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