IT1058621B - Selettore di canali elettronico con incorporato un circuito memorizzatore - Google Patents
Selettore di canali elettronico con incorporato un circuito memorizzatoreInfo
- Publication number
- IT1058621B IT1058621B IT21381/76A IT2138176A IT1058621B IT 1058621 B IT1058621 B IT 1058621B IT 21381/76 A IT21381/76 A IT 21381/76A IT 2138176 A IT2138176 A IT 2138176A IT 1058621 B IT1058621 B IT 1058621B
- Authority
- IT
- Italy
- Prior art keywords
- built
- channel selector
- electronic channel
- memorizer circuit
- memorizer
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50034158A JPS51109703A (en) | 1975-03-20 | 1975-03-20 | Denshichuunasenkyokusochi |
| JP50056941A JPS51132703A (en) | 1975-05-13 | 1975-05-13 | Electronic channel selection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1058621B true IT1058621B (it) | 1982-05-10 |
Family
ID=26372942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT21381/76A IT1058621B (it) | 1975-03-20 | 1976-03-18 | Selettore di canali elettronico con incorporato un circuito memorizzatore |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4020420A (enExample) |
| CA (1) | CA1061487A (enExample) |
| DE (1) | DE2611808A1 (enExample) |
| FR (1) | FR2305062A1 (enExample) |
| GB (1) | GB1542138A (enExample) |
| IT (1) | IT1058621B (enExample) |
| NL (1) | NL174205C (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5456701A (en) * | 1977-10-14 | 1979-05-08 | Sanyo Electric Co Ltd | Preset receiving device |
| US20050052579A1 (en) * | 2003-08-18 | 2005-03-10 | Alps Electric Co., Ltd. | Television tuner having circuit for attenuating FM broadcasting band |
| US20230077359A1 (en) * | 2021-09-16 | 2023-03-16 | Innolux Corporation | Electronic device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3467870A (en) * | 1965-02-16 | 1969-09-16 | Trio Corp | Automatic frequency sweep apparatus |
| DE1538337B2 (de) * | 1966-05-06 | 1971-03-18 | Robert Bosch Elektronik Gmbh, 1000 Berlin Und 7000 Stuttgart | Einrichtung zur ferngesteuerten frequenzumschaltung |
| DE2139173A1 (de) * | 1971-07-30 | 1973-02-08 | Loewe Opta Gmbh | Schaltungsanordnung zur automatischen sendersuche bei geraeten der nachrichtentechnik mit kapazitaetsdioden-abstimmung |
| US3644853A (en) * | 1970-11-23 | 1972-02-22 | Zenith Radio Corp | Voltage-controlled signal-seeking tuning system |
| US3691298A (en) * | 1970-12-03 | 1972-09-12 | Carl R Pittman | Touch tuning and control circuits |
| US3737787A (en) * | 1971-06-29 | 1973-06-05 | Gen Electric | Electronic signal seeking system with rapid scan |
| US3766483A (en) * | 1971-06-29 | 1973-10-16 | Gen Electric | Signal seeking tuner control system |
| GB1400583A (en) * | 1971-09-14 | 1975-07-16 | Matsushita Electric Industrial Co Ltd | Tuning system |
| GB1409798A (en) * | 1971-09-25 | 1975-10-15 | Matsushita Electric Industrial Co Ltd | Frequency control arrangements |
-
1976
- 1976-03-17 NL NLAANVRAGE7602799,A patent/NL174205C/xx not_active IP Right Cessation
- 1976-03-17 US US05/667,560 patent/US4020420A/en not_active Expired - Lifetime
- 1976-03-18 GB GB7610878A patent/GB1542138A/en not_active Expired
- 1976-03-18 IT IT21381/76A patent/IT1058621B/it active
- 1976-03-19 FR FR7608030A patent/FR2305062A1/fr active Granted
- 1976-03-19 CA CA248,226A patent/CA1061487A/en not_active Expired
- 1976-03-19 DE DE19762611808 patent/DE2611808A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| NL7602799A (nl) | 1976-09-22 |
| CA1061487A (en) | 1979-08-28 |
| NL174205B (nl) | 1983-12-01 |
| FR2305062A1 (fr) | 1976-10-15 |
| GB1542138A (en) | 1979-03-14 |
| FR2305062B1 (enExample) | 1978-04-14 |
| DE2611808A1 (de) | 1976-09-30 |
| US4020420A (en) | 1977-04-26 |
| NL174205C (nl) | 1984-05-01 |
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