DE2519982A1 - Abstimmungsspeicherschaltung fuer empfaenger mit elektronischer abstimmung - Google Patents
Abstimmungsspeicherschaltung fuer empfaenger mit elektronischer abstimmungInfo
- Publication number
- DE2519982A1 DE2519982A1 DE19752519982 DE2519982A DE2519982A1 DE 2519982 A1 DE2519982 A1 DE 2519982A1 DE 19752519982 DE19752519982 DE 19752519982 DE 2519982 A DE2519982 A DE 2519982A DE 2519982 A1 DE2519982 A1 DE 2519982A1
- Authority
- DE
- Germany
- Prior art keywords
- tuning
- voltage
- capacitor
- integrator
- circuit
- 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.)
- Withdrawn
Links
- 239000003990 capacitor Substances 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000036651 mood Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JKMBMIMLVFMXRW-LYYFRFARSA-N epicocconone Chemical compound C1=C2C[C@@H](CO)OC=C2C(=O)[C@]2(C)C1=C(C(/O)=C/C(=O)/C=C/C=C/C=C/C)C(=O)O2 JKMBMIMLVFMXRW-LYYFRFARSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL1974170845A PL89827B1 (enExample) | 1974-05-06 | 1974-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2519982A1 true DE2519982A1 (de) | 1975-11-27 |
Family
ID=19967192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752519982 Withdrawn DE2519982A1 (de) | 1974-05-06 | 1975-05-05 | Abstimmungsspeicherschaltung fuer empfaenger mit elektronischer abstimmung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4011514A (enExample) |
| JP (1) | JPS5624415B2 (enExample) |
| DE (1) | DE2519982A1 (enExample) |
| FR (1) | FR2289073A1 (enExample) |
| GB (1) | GB1512662A (enExample) |
| IT (1) | IT1037857B (enExample) |
| PL (1) | PL89827B1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2659447A1 (de) * | 1976-12-30 | 1978-07-06 | Hitachi Sales Europa Gmbh | Fuer ein fahrzeug vorgesehener rundfunkempfaenger mit anzeige der senderfrequenz |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5267201A (en) * | 1975-12-01 | 1977-06-03 | Matsushita Electric Ind Co Ltd | Station selecting unit |
| WO1985003824A1 (en) * | 1984-02-16 | 1985-08-29 | Ma John Yoh Han | Fm subcarrier transmission system |
| ATE393496T1 (de) * | 2000-10-10 | 2008-05-15 | Nemerix Sa | Elektronische schaltung und rf-empfänger mit energiesparsteuerung |
| JP2004282425A (ja) * | 2003-03-17 | 2004-10-07 | Casio Comput Co Ltd | 電波受信装置、電波時計及び同調容量設定方法 |
| US7620382B2 (en) * | 2005-06-09 | 2009-11-17 | Alps Electric Co., Ltd. | Frequency converter capable of preventing level of intermediate frequency signal from lowering due to rise in temperature |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3588706A (en) * | 1967-07-24 | 1971-06-28 | Matsushita Electric Industrial Co Ltd | Automatic tuning receiver |
| DE2147228C3 (de) * | 1971-09-22 | 1980-02-21 | Blaupunkt Werke Gmbh | Sägezahngenerator mit Speicherwirkung für einen Sendersuchlauf in Fernsehgeräten |
| US3859610A (en) * | 1974-02-25 | 1975-01-07 | Gte Sylvania Inc | Signal channel address system |
-
1974
- 1974-05-06 PL PL1974170845A patent/PL89827B1/pl unknown
-
1975
- 1975-04-25 GB GB17144/75A patent/GB1512662A/en not_active Expired
- 1975-04-28 US US05/572,443 patent/US4011514A/en not_active Expired - Lifetime
- 1975-05-05 DE DE19752519982 patent/DE2519982A1/de not_active Withdrawn
- 1975-05-05 IT IT23017/75A patent/IT1037857B/it active
- 1975-05-06 JP JP5417975A patent/JPS5624415B2/ja not_active Expired
- 1975-05-16 FR FR7515378A patent/FR2289073A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2659447A1 (de) * | 1976-12-30 | 1978-07-06 | Hitachi Sales Europa Gmbh | Fuer ein fahrzeug vorgesehener rundfunkempfaenger mit anzeige der senderfrequenz |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50153501A (enExample) | 1975-12-10 |
| JPS5624415B2 (enExample) | 1981-06-05 |
| GB1512662A (en) | 1978-06-01 |
| US4011514A (en) | 1977-03-08 |
| FR2289073B1 (enExample) | 1978-02-03 |
| IT1037857B (it) | 1979-11-20 |
| PL89827B1 (enExample) | 1976-12-31 |
| FR2289073A1 (fr) | 1976-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8136 | Disposal/non-payment of the fee for publication/grant |