IT1123391B - Sistema digitale di sintonia per un apparato ricevente di radiodiffusione - Google Patents
Sistema digitale di sintonia per un apparato ricevente di radiodiffusioneInfo
- Publication number
- IT1123391B IT1123391B IT26151/79A IT2615179A IT1123391B IT 1123391 B IT1123391 B IT 1123391B IT 26151/79 A IT26151/79 A IT 26151/79A IT 2615179 A IT2615179 A IT 2615179A IT 1123391 B IT1123391 B IT 1123391B
- Authority
- IT
- Italy
- Prior art keywords
- broadcast receiver
- tuning system
- digital tuning
- digital
- broadcast
- Prior art date
Links
Classifications
-
- 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
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
- H03J5/0281—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Circuits Of Receivers In General (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2843214A DE2843214C2 (de) | 1978-10-04 | 1978-10-04 | Digitales Abstimmsystem für ein Rundfunk-Empfangsgerät |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7926151A0 IT7926151A0 (it) | 1979-10-01 |
| IT1123391B true IT1123391B (it) | 1986-04-30 |
Family
ID=6051330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT26151/79A IT1123391B (it) | 1978-10-04 | 1979-10-01 | Sistema digitale di sintonia per un apparato ricevente di radiodiffusione |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4348771A (it) |
| JP (2) | JPS5549026A (it) |
| AT (1) | AT377651B (it) |
| CH (1) | CH647111A5 (it) |
| DE (1) | DE2843214C2 (it) |
| DK (1) | DK152634C (it) |
| ES (1) | ES484708A1 (it) |
| FR (1) | FR2438379A1 (it) |
| GB (1) | GB2034141B (it) |
| IT (1) | IT1123391B (it) |
| NO (1) | NO147258C (it) |
| SE (1) | SE438951B (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0738719B2 (ja) * | 1984-08-20 | 1995-04-26 | パイオニア株式会社 | Ｃａｔｖ端末のチャンネル設定装置 |
| US4792986A (en) * | 1985-12-11 | 1988-12-20 | General Electric Company | Portable radio system with externally programmable universal device connector |
| US4887086A (en) * | 1987-07-28 | 1989-12-12 | Trycomm Technologies, Inc. | Combination scanner and radar detector |
| US5161023A (en) * | 1990-09-24 | 1992-11-03 | Thomson Consumer Electronics, Inc. | Previous channel feature in a television receiver having multiple rf inputs |
| US5182646A (en) * | 1990-09-24 | 1993-01-26 | Thomson Consumer Electronics, Inc. | Linkable scan lists for a television receiver |
| US5103314A (en) * | 1990-09-24 | 1992-04-07 | Thomson Consumer Electronics, Inc. | Color-coded system for selection of rf input terminals and associated scan lists |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT979582B (it) * | 1973-02-28 | 1974-09-30 | Petruzziello T | Chi sura allungabile per braccia le metallico di orologi da polso con regolazione della lunghezza |
| NL7414564A (nl) * | 1973-11-16 | 1975-05-21 | Int Standard Electric Corp | Radio- of televisieontvanger met een zender- zoekinrichting. |
| JPS5515884B2 (it) * | 1973-12-28 | 1980-04-26 | ||
| US3961266A (en) * | 1974-01-03 | 1976-06-01 | Zenith Radio Corporation | Channel seeking tuning system |
| DE2437974C3 (de) * | 1974-08-07 | 1979-04-26 | Texas Instruments Deutschland Gmbh, 8050 Freising | Kanalsuch- und Kanalwählanordnung |
| DE2522055C3 (de) * | 1975-05-17 | 1978-12-07 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Elektronisches Kanalwahlsystem, insbesondere für Fernsehgeräte |
| DE2533072C3 (de) * | 1975-07-24 | 1978-10-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Abstimmschaltung für Hochfrequenzempfangsgeräte |
| GB1503797A (en) * | 1975-08-08 | 1978-03-15 | Texas Instruments Inc | Channel search and selection system for broadcast receive |
| DE2556486C3 (de) * | 1975-12-16 | 1981-03-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Abstimmschaltung für Hochfrequenzempfangsgeräte |
| DE2557856C3 (de) * | 1975-12-22 | 1980-11-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Abstimmschaltung für Hochfrequenzempfangsgeräte |
| JPS6019391Y2 (ja) * | 1978-07-19 | 1985-06-11 | 三洋電機株式会社 | 多バンド受信機 |
-
1978
- 1978-10-04 DE DE2843214A patent/DE2843214C2/de not_active Expired
-
1979
- 1979-09-27 GB GB7933523A patent/GB2034141B/en not_active Expired
- 1979-10-01 CH CH882079A patent/CH647111A5/de not_active IP Right Cessation
- 1979-10-01 IT IT26151/79A patent/IT1123391B/it active
- 1979-10-02 DK DK413179A patent/DK152634C/da not_active IP Right Cessation
- 1979-10-03 AT AT0646279A patent/AT377651B/de not_active IP Right Cessation
- 1979-10-03 NO NO793171A patent/NO147258C/no unknown
- 1979-10-03 SE SE7908200A patent/SE438951B/sv not_active IP Right Cessation
- 1979-10-03 US US06/081,383 patent/US4348771A/en not_active Expired - Lifetime
- 1979-10-03 ES ES484708A patent/ES484708A1/es not_active Expired
- 1979-10-04 JP JP12740079A patent/JPS5549026A/ja active Granted
- 1979-10-04 FR FR7924760A patent/FR2438379A1/fr active Granted
-
1988
- 1988-08-23 JP JP63207482A patent/JPS6484911A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CH647111A5 (de) | 1984-12-28 |
| NO147258C (no) | 1983-03-02 |
| SE438951B (sv) | 1985-05-13 |
| US4348771A (en) | 1982-09-07 |
| NO147258B (no) | 1982-11-22 |
| NO793171L (no) | 1980-04-09 |
| DE2843214B1 (de) | 1980-03-13 |
| JPS5549026A (en) | 1980-04-08 |
| DE2843214C2 (de) | 1980-10-30 |
| ATA646279A (de) | 1984-08-15 |
| FR2438379B1 (it) | 1983-05-13 |
| JPS6234178B2 (it) | 1987-07-24 |
| DK152634B (da) | 1988-03-28 |
| GB2034141A (en) | 1980-05-29 |
| DK413179A (da) | 1980-04-05 |
| GB2034141B (en) | 1982-12-01 |
| IT7926151A0 (it) | 1979-10-01 |
| ES484708A1 (es) | 1980-06-16 |
| DK152634C (da) | 1988-08-15 |
| JPH0241207B2 (it) | 1990-09-17 |
| SE7908200L (sv) | 1980-04-05 |
| FR2438379A1 (fr) | 1980-04-30 |
| AT377651B (de) | 1985-04-25 |
| JPS6484911A (en) | 1989-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971029 |