FR877270A - Device indicating the direction of the deviations of the frequencies of two electrical oscillations - Google Patents

Device indicating the direction of the deviations of the frequencies of two electrical oscillations

Info

Publication number
FR877270A
FR877270A FR877270DA FR877270A FR 877270 A FR877270 A FR 877270A FR 877270D A FR877270D A FR 877270DA FR 877270 A FR877270 A FR 877270A
Authority
FR
France
Prior art keywords
deviations
frequencies
device indicating
electrical oscillations
oscillations
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.)
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 FR877270A publication Critical patent/FR877270A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR877270D 1940-09-04 1941-11-26 Device indicating the direction of the deviations of the frequencies of two electrical oscillations Expired FR877270A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE877270X 1940-09-04

Publications (1)

Publication Number Publication Date
FR877270A true FR877270A (en) 1942-12-02

Family

ID=6818005

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877270D Expired FR877270A (en) 1940-09-04 1941-11-26 Device indicating the direction of the deviations of the frequencies of two electrical oscillations

Country Status (1)

Country Link
FR (1) FR877270A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE954981C (en) * 1952-10-21 1956-12-27 Schomandl K G Herstellung Wiss Method for comparing the frequency of two oscillations with the correct sign

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE954981C (en) * 1952-10-21 1956-12-27 Schomandl K G Herstellung Wiss Method for comparing the frequency of two oscillations with the correct sign

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