DE2230498A1 - - Google Patents
Info
- Publication number
- DE2230498A1 DE2230498A1 DE19722230498 DE2230498A DE2230498A1 DE 2230498 A1 DE2230498 A1 DE 2230498A1 DE 19722230498 DE19722230498 DE 19722230498 DE 2230498 A DE2230498 A DE 2230498A DE 2230498 A1 DE2230498 A1 DE 2230498A1
- Authority
- DE
- Germany
- 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.)
- Granted
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
- H03J7/08—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 using varactors, i.e. voltage variable reactive diodes
- H03J7/10—Modification of automatic frequency control sensitivity or linearising automatic frequency control operation
-
- 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
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722230498 DE2230498C2 (de) | 1972-06-22 | 1972-06-22 | Schaltungsanordnung zur automati sehen Sendersuche fm Rundfunk und Fern sehempfänger |
| BE131191A BE799622A (fr) | 1972-06-22 | 1973-05-16 | Dispositif de circuit pour la recherche automatique d'emissions destine a des recpeteurs de radiodiffusion et de television, |
| CH742873A CH550517A (de) | 1972-06-22 | 1973-05-24 | Schaltungsanordnung zur automatischen sendersuche fuer rundfunk- und fernsehempfaenger. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722230498 DE2230498C2 (de) | 1972-06-22 | 1972-06-22 | Schaltungsanordnung zur automati sehen Sendersuche fm Rundfunk und Fern sehempfänger |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2230498A1 true DE2230498A1 (cs) | 1973-04-12 |
| DE2230498B1 DE2230498B1 (de) | 1973-04-12 |
| DE2230498C2 DE2230498C2 (de) | 1973-11-15 |
Family
ID=5848454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722230498 Expired DE2230498C2 (de) | 1972-06-22 | 1972-06-22 | Schaltungsanordnung zur automati sehen Sendersuche fm Rundfunk und Fern sehempfänger |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE799622A (cs) |
| CH (1) | CH550517A (cs) |
| DE (1) | DE2230498C2 (cs) |
-
1972
- 1972-06-22 DE DE19722230498 patent/DE2230498C2/de not_active Expired
-
1973
- 1973-05-16 BE BE131191A patent/BE799622A/xx unknown
- 1973-05-24 CH CH742873A patent/CH550517A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2230498C2 (de) | 1973-11-15 |
| BE799622A (fr) | 1973-09-17 |
| CH550517A (de) | 1974-06-14 |
| DE2230498B1 (de) | 1973-04-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |