GB1376387A - Automatic tuning circuit - Google Patents
Automatic tuning circuitInfo
- Publication number
- GB1376387A GB1376387A GB5828172A GB5828172A GB1376387A GB 1376387 A GB1376387 A GB 1376387A GB 5828172 A GB5828172 A GB 5828172A GB 5828172 A GB5828172 A GB 5828172A GB 1376387 A GB1376387 A GB 1376387A
- Authority
- GB
- United Kingdom
- Prior art keywords
- touching
- electrode
- tuning
- stable
- capacitor
- 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
- 239000003990 capacitor Substances 0.000 abstract 5
- 238000007599 discharging Methods 0.000 abstract 2
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
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
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes
- H03J7/26—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712162760 DE2162760C2 (de) | 1971-12-17 | 1971-12-17 | Schaltung zur automatischen Sendersuche |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1376387A true GB1376387A (en) | 1974-12-04 |
Family
ID=5828355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5828172A Expired GB1376387A (en) | 1971-12-17 | 1972-12-18 | Automatic tuning circuit |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE792767A (enExample) |
| CH (1) | CH544456A (enExample) |
| DE (1) | DE2162760C2 (enExample) |
| DK (1) | DK133319C (enExample) |
| FR (1) | FR2163690B1 (enExample) |
| GB (1) | GB1376387A (enExample) |
| NL (1) | NL7217016A (enExample) |
| SE (1) | SE406532B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1033478A (en) * | 1974-07-18 | 1978-06-20 | Sanyo Electric Co. Ltd. | Automatic tuning apparatus |
| JPS5518119A (en) * | 1978-07-26 | 1980-02-08 | Hitachi Ltd | Automatic tuning circuit |
-
0
- BE BE792767D patent/BE792767A/xx unknown
-
1971
- 1971-12-17 DE DE19712162760 patent/DE2162760C2/de not_active Expired
-
1972
- 1972-12-14 DK DK623572A patent/DK133319C/da active
- 1972-12-14 SE SE1638272A patent/SE406532B/xx unknown
- 1972-12-14 NL NL7217016A patent/NL7217016A/xx not_active Application Discontinuation
- 1972-12-15 FR FR7244800A patent/FR2163690B1/fr not_active Expired
- 1972-12-15 CH CH1829572A patent/CH544456A/de not_active IP Right Cessation
- 1972-12-18 GB GB5828172A patent/GB1376387A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH544456A (de) | 1973-11-15 |
| DK133319C (da) | 1976-09-27 |
| SE406532B (sv) | 1979-02-12 |
| FR2163690B1 (enExample) | 1978-02-10 |
| DE2162760C2 (de) | 1979-01-04 |
| DE2162760A1 (enExample) | 1972-11-02 |
| BE792767A (fr) | 1973-03-30 |
| NL7217016A (enExample) | 1973-06-19 |
| DE2162760B2 (de) | 1972-11-02 |
| DK133319B (da) | 1976-04-26 |
| FR2163690A1 (enExample) | 1973-07-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |