FR840537A - Device intended for the reception of oscillations with variable frequency and controlled tuning - Google Patents
Device intended for the reception of oscillations with variable frequency and controlled tuningInfo
- Publication number
- FR840537A FR840537A FR840537DA FR840537A FR 840537 A FR840537 A FR 840537A FR 840537D A FR840537D A FR 840537DA FR 840537 A FR840537 A FR 840537A
- Authority
- FR
- France
- Prior art keywords
- oscillations
- reception
- variable frequency
- device intended
- controlled tuning
- 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
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
-
- 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
- H03J7/045—Modification of automatic frequency control sensitivity or linearising automatic frequency control operation; Modification of the working range
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH498811X | 1937-07-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR840537A true FR840537A (en) | 1939-04-27 |
Family
ID=4516834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR840537D Expired FR840537A (en) | 1937-07-10 | 1938-07-09 | Device intended for the reception of oscillations with variable frequency and controlled tuning |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE429081A (en) |
CH (1) | CH200856A (en) |
DE (1) | DE711593C (en) |
FR (1) | FR840537A (en) |
GB (1) | GB498811A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113093049B (en) * | 2021-03-19 | 2023-10-03 | 威胜集团有限公司 | Fault arc location diagnosis method, device and computer readable storage medium |
-
0
- BE BE429081D patent/BE429081A/xx unknown
-
1937
- 1937-07-10 CH CH200856D patent/CH200856A/en unknown
-
1938
- 1938-07-08 DE DEN42194D patent/DE711593C/en not_active Expired
- 1938-07-08 GB GB20327/38A patent/GB498811A/en not_active Expired
- 1938-07-09 FR FR840537D patent/FR840537A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB498811A (en) | 1939-01-13 |
DE711593C (en) | 1941-10-14 |
CH200856A (en) | 1938-10-31 |
BE429081A (en) |
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