FR2285018A1 - Appareil d'accord automatique - Google Patents
Appareil d'accord automatiqueInfo
- Publication number
- FR2285018A1 FR2285018A1 FR7522358A FR7522358A FR2285018A1 FR 2285018 A1 FR2285018 A1 FR 2285018A1 FR 7522358 A FR7522358 A FR 7522358A FR 7522358 A FR7522358 A FR 7522358A FR 2285018 A1 FR2285018 A1 FR 2285018A1
- Authority
- FR
- France
- Prior art keywords
- tuning device
- automatic tuning
- automatic
- 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.)
- 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
- H03J7/18—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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8308074A JPS5115919A (ja) | 1974-07-18 | 1974-07-18 | Jidodochosochi |
JP14371074A JPS5169312A (ja) | 1974-12-13 | 1974-12-13 | Jidodochosochi |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2285018A1 true FR2285018A1 (fr) | 1976-04-09 |
FR2285018B1 FR2285018B1 (fr) | 1977-12-09 |
Family
ID=26424151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7522358A Granted FR2285018A1 (fr) | 1974-07-18 | 1975-07-17 | Appareil d'accord automatique |
Country Status (6)
Country | Link |
---|---|
US (1) | US3986154A (fr) |
CA (1) | CA1033478A (fr) |
DE (1) | DE2532101C2 (fr) |
FR (1) | FR2285018A1 (fr) |
GB (1) | GB1511148A (fr) |
IT (1) | IT1039283B (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4122395A (en) * | 1976-05-10 | 1978-10-24 | Draco Laboratories, Inc. | Radio control circuit with microprocessor |
US4222120A (en) * | 1977-08-08 | 1980-09-09 | Rca Corporation | Tuning position display system |
JPS5456701A (en) * | 1977-10-14 | 1979-05-08 | Sanyo Electric Co Ltd | Preset receiving device |
US4317225A (en) * | 1979-05-30 | 1982-02-23 | Rca Corporation | Channel identification apparatus useful in a sweep type tuning system |
NZ193794A (en) * | 1979-05-30 | 1984-03-30 | Rca Corp | Channel identification in multiband sweep tuning system |
US4254506A (en) * | 1979-05-30 | 1981-03-03 | Rca Corporation | Channel identification apparatus useful in a multiband sweep type tuning system |
US4301378A (en) * | 1979-11-29 | 1981-11-17 | Motorola, Inc. | Dual rate bi-directional switch |
US4558231A (en) * | 1982-11-01 | 1985-12-10 | Motorola, Inc. | Variable rate bi-directional slew control and method therefor |
JPS60214617A (ja) * | 1984-04-11 | 1985-10-26 | Hitachi Ltd | フイルタ集積回路 |
US7167697B2 (en) * | 2003-11-03 | 2007-01-23 | Oneworld Enterprises Limited | Reverse electronic tuning circuit for FM radio frequency-lock-loop circuits |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2042439A1 (de) * | 1970-08-27 | 1972-03-02 | Wachholz W | Schaltungsanordnung zur automatischen Sendersuche und automatischen Scharfabstimmung in einem Hochfrequenzempfanger |
DE2229696A1 (fr) * | 1972-06-19 | 1973-05-10 | ||
FR2162182A1 (fr) * | 1971-12-03 | 1973-07-13 | Saba Gmbh | |
FR2163690A1 (fr) * | 1971-12-17 | 1973-07-27 | Saba Gmbh | |
NL7313625A (fr) * | 1973-10-04 | 1973-12-27 | ||
FR2232877A1 (fr) * | 1973-06-08 | 1975-01-03 | Sanyo Electric Co |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2049030A1 (de) * | 1969-05-13 | 1971-10-07 | Pioneer Electronic Corp | Vorrichtung zum automatischen Tunen bzw Abstimmen eines Rundfunkkanales Ausscheidung aus 2022828 |
US3651411A (en) * | 1970-08-31 | 1972-03-21 | Zenith Radio Corp | Automatic-recycling signal-seeking voltage-controlled tuner |
DE2044635C3 (de) * | 1970-09-09 | 1976-01-02 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zum automatischen Sendersuchlauf in Rundfunkempfängern |
US3893049A (en) * | 1974-03-25 | 1975-07-01 | Motorola Inc | Electronic tuning system for television receivers |
-
1975
- 1975-06-30 CA CA230,515A patent/CA1033478A/fr not_active Expired
- 1975-07-08 GB GB28735/75A patent/GB1511148A/en not_active Expired
- 1975-07-10 US US05/594,774 patent/US3986154A/en not_active Expired - Lifetime
- 1975-07-17 IT IT25494/75A patent/IT1039283B/it active
- 1975-07-17 FR FR7522358A patent/FR2285018A1/fr active Granted
- 1975-07-18 DE DE2532101A patent/DE2532101C2/de not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2042439A1 (de) * | 1970-08-27 | 1972-03-02 | Wachholz W | Schaltungsanordnung zur automatischen Sendersuche und automatischen Scharfabstimmung in einem Hochfrequenzempfanger |
FR2162182A1 (fr) * | 1971-12-03 | 1973-07-13 | Saba Gmbh | |
FR2163690A1 (fr) * | 1971-12-17 | 1973-07-27 | Saba Gmbh | |
DE2229696A1 (fr) * | 1972-06-19 | 1973-05-10 | ||
FR2232877A1 (fr) * | 1973-06-08 | 1975-01-03 | Sanyo Electric Co | |
NL7313625A (fr) * | 1973-10-04 | 1973-12-27 |
Also Published As
Publication number | Publication date |
---|---|
FR2285018B1 (fr) | 1977-12-09 |
GB1511148A (en) | 1978-05-17 |
US3986154A (en) | 1976-10-12 |
CA1033478A (fr) | 1978-06-20 |
DE2532101C2 (de) | 1982-06-03 |
IT1039283B (it) | 1979-12-10 |
DE2532101A1 (de) | 1976-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |