CH550517A - Schaltungsanordnung zur automatischen sendersuche fuer rundfunk- und fernsehempfaenger. - Google Patents
Schaltungsanordnung zur automatischen sendersuche fuer rundfunk- und fernsehempfaenger.Info
- Publication number
- CH550517A CH550517A CH742873A CH742873A CH550517A CH 550517 A CH550517 A CH 550517A CH 742873 A CH742873 A CH 742873A CH 742873 A CH742873 A CH 742873A CH 550517 A CH550517 A CH 550517A
- Authority
- CH
- Switzerland
- Prior art keywords
- broadcasting
- circuit arrangement
- television receivers
- station search
- automatic station
- Prior art date
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
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 (1)
| Publication Number | Publication Date |
|---|---|
| CH550517A true CH550517A (de) | 1974-06-14 |
Family
ID=5848454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH742873A CH550517A (de) | 1972-06-22 | 1973-05-24 | Schaltungsanordnung zur automatischen sendersuche fuer rundfunk- und fernsehempfaenger. |
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 |
| DE2230498A1 (cs) | 1973-04-12 |
| DE2230498B1 (de) | 1973-04-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |