FR856971A - Improvements to Automatic Frequency Control Systems - Google Patents

Improvements to Automatic Frequency Control Systems

Info

Publication number
FR856971A
FR856971A FR856971DA FR856971A FR 856971 A FR856971 A FR 856971A FR 856971D A FR856971D A FR 856971DA FR 856971 A FR856971 A FR 856971A
Authority
FR
France
Prior art keywords
control systems
frequency control
automatic frequency
automatic
systems
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR856971A publication Critical patent/FR856971A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
FR856971D 1938-06-30 1939-06-28 Improvements to Automatic Frequency Control Systems Expired FR856971A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US216715A US2233165A (en) 1938-06-30 1938-06-30 Automatic frequency control

Publications (1)

Publication Number Publication Date
FR856971A true FR856971A (en) 1940-08-19

Family

ID=22808214

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856971D Expired FR856971A (en) 1938-06-30 1939-06-28 Improvements to Automatic Frequency Control Systems

Country Status (2)

Country Link
US (1) US2233165A (en)
FR (1) FR856971A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469875A (en) * 1944-01-26 1949-05-10 Gen Electric Automatic frequency control for pulse transmission systems
US2443434A (en) * 1944-05-23 1948-06-15 Press Wireless Inc Automatic signal bias control means and apparatus
US2526207A (en) * 1946-04-27 1950-10-17 Rca Corp Capacitor for frequency modulation
US2498760A (en) * 1946-11-30 1950-02-28 Rca Corp Radio-frequency power generator
US2654033A (en) * 1948-12-24 1953-09-29 Gen Electric Synchronizing circuit
US2977540A (en) * 1958-03-10 1961-03-28 Gen Radio Co Electric switching circuits
US3021492A (en) * 1961-04-11 1962-02-13 Avco Corp Automatic phase control system

Also Published As

Publication number Publication date
US2233165A (en) 1941-02-25

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