AT377135B - Empfaenger - Google Patents
EmpfaengerInfo
- Publication number
- AT377135B AT377135B AT0763978A AT763978A AT377135B AT 377135 B AT377135 B AT 377135B AT 0763978 A AT0763978 A AT 0763978A AT 763978 A AT763978 A AT 763978A AT 377135 B AT377135 B AT 377135B
- Authority
- AT
- Austria
- Prior art keywords
- receiver
- 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
-
- 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
- H03J7/06—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 counters or frequency dividers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Superheterodyne Receivers (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7711714,A NL179435C (nl) | 1977-10-26 | 1977-10-26 | Ontvanger met een frequentiesynthese-schakeling. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA763978A ATA763978A (de) | 1984-06-15 |
| AT377135B true AT377135B (de) | 1985-02-11 |
Family
ID=19829407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT0763978A AT377135B (de) | 1977-10-26 | 1978-10-25 | Empfaenger |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4271530A (de) |
| JP (1) | JPS5471515A (de) |
| AT (1) | AT377135B (de) |
| AU (1) | AU519689B2 (de) |
| BR (1) | BR7806975A (de) |
| CA (1) | CA1149024A (de) |
| DE (1) | DE2845483C2 (de) |
| DK (1) | DK154596C (de) |
| ES (1) | ES474451A1 (de) |
| FR (1) | FR2407614A1 (de) |
| GB (1) | GB2007049B (de) |
| HK (1) | HK48283A (de) |
| IT (1) | IT1108260B (de) |
| MX (1) | MX146152A (de) |
| NL (1) | NL179435C (de) |
| SE (2) | SE7810993L (de) |
| SG (1) | SG59582G (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2933416A1 (de) * | 1979-08-17 | 1981-03-26 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur automatischen zf-korrektur von rundfunkgeraeten mit digital einstellbarer empfangsrequenz |
| US4344187A (en) * | 1979-10-18 | 1982-08-10 | Nippon Gakki Seizo Kabushiki Kaisha | Radio receiver with system for maintaining optimum tuning |
| FR2490428B1 (fr) * | 1980-09-16 | 1986-04-18 | Thomson Csf | Dispositif de recherche de la frequence d'accord d'un recepteur radioelectrique a modulation de frequence |
| DE3111933A1 (de) * | 1981-03-26 | 1982-10-07 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Ueberlagerungsempfaenger mit einem digitalen abstimmsystem |
| JPS58223913A (ja) * | 1982-06-21 | 1983-12-26 | Yaesu Musen Co Ltd | 無線通信機の同調方式 |
| JPS58225717A (ja) * | 1982-06-24 | 1983-12-27 | Yaesu Musen Co Ltd | 無線通信機の同調方式 |
| JPS592419A (ja) * | 1982-06-28 | 1984-01-09 | Yaesu Musen Co Ltd | 無線通信機の同調方式 |
| US4727591A (en) * | 1986-09-04 | 1988-02-23 | Arvin Industries, Inc. | Microprocessor controlled tuning system |
| GB2220317B (en) * | 1988-05-28 | 1992-07-22 | Motorola Israel Ltd | Automatically self-calibrating oscillators in heterodyned radio receivers |
| JPH0572309U (ja) * | 1992-03-17 | 1993-10-05 | 三井精機工業株式会社 | 主軸テーパ穴の硬化処理構造 |
| JPH0574716U (ja) * | 1992-03-17 | 1993-10-12 | 三井精機工業株式会社 | 主軸テーパ穴の硬化構造 |
| US5564091A (en) * | 1995-03-29 | 1996-10-08 | Motorola, Inc. | Method and apparatus for operating an automatic frequency control in a radio |
| US5983077A (en) * | 1997-07-31 | 1999-11-09 | Ericsson Inc. | Systems and methods for automatic deviation setting and control in radio transmitters |
| GB2335807B (en) * | 1998-03-24 | 2001-12-12 | Ericsson Telefon Ab L M | Demodulator circuits |
| GB2344710B (en) * | 1998-12-09 | 2002-05-15 | Mitel Semiconductor Ltd | Improvements in or relating to demodulator alignment correction in tuners |
| DE102004054667A1 (de) * | 2004-11-12 | 2006-05-18 | Hella Kgaa Hueck & Co. | Verfahren und Vorrichtung zum Stabilisieren einer Frequenz |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR957645A (de) * | 1942-11-03 | 1950-02-23 | ||
| US2856519A (en) * | 1952-10-11 | 1958-10-14 | Gen Precision Lab Inc | Automatic signal frequency tracker, with search and hold-during-fade provisions |
| DE2233724C3 (de) * | 1972-07-08 | 1975-11-27 | Loewe Opta Gmbh, 1000 Berlin | Schaltungsanordnung zum Einstellen der Frequenz in spannungsabhängigen Oszillatoren |
| JPS51142201A (en) * | 1975-06-02 | 1976-12-07 | Onkyo Corp | Automatic frequency control circuit |
| JPS5421947Y2 (de) * | 1975-11-13 | 1979-08-02 | ||
| US4038689A (en) * | 1976-06-14 | 1977-07-26 | Matsushita Electric Corporation Of America | Frequency synthesizer tuning system with manual fine tuning control |
-
1977
- 1977-10-26 NL NLAANVRAGE7711714,A patent/NL179435C/xx not_active IP Right Cessation
-
1978
- 1978-09-12 US US05/941,370 patent/US4271530A/en not_active Expired - Lifetime
- 1978-10-19 CA CA000313781A patent/CA1149024A/en not_active Expired
- 1978-10-19 DE DE2845483A patent/DE2845483C2/de not_active Expired
- 1978-10-20 FR FR7829906A patent/FR2407614A1/fr active Granted
- 1978-10-23 IT IT69430/78A patent/IT1108260B/it active
- 1978-10-23 SE SE7810993D patent/SE7810993L/xx not_active Application Discontinuation
- 1978-10-23 DK DK470378A patent/DK154596C/da not_active IP Right Cessation
- 1978-10-23 MX MX175343A patent/MX146152A/es unknown
- 1978-10-23 AU AU40972/78A patent/AU519689B2/en not_active Expired
- 1978-10-23 GB GB7841640A patent/GB2007049B/en not_active Expired
- 1978-10-23 BR BR7806975A patent/BR7806975A/pt unknown
- 1978-10-23 JP JP13037578A patent/JPS5471515A/ja active Granted
- 1978-10-23 SE SE7810993A patent/SE430844B/sv not_active IP Right Cessation
- 1978-10-24 ES ES474451A patent/ES474451A1/es not_active Expired
- 1978-10-25 AT AT0763978A patent/AT377135B/de not_active IP Right Cessation
-
1982
- 1982-11-22 SG SG595/82A patent/SG59582G/en unknown
-
1983
- 1983-10-27 HK HK482/83A patent/HK48283A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7711714A (nl) | 1979-05-01 |
| JPS5471515A (en) | 1979-06-08 |
| DK154596C (da) | 1989-04-17 |
| FR2407614A1 (fr) | 1979-05-25 |
| FR2407614B1 (de) | 1984-10-19 |
| AU4097278A (en) | 1980-05-01 |
| HK48283A (en) | 1983-11-04 |
| IT1108260B (it) | 1985-12-02 |
| NL179435C (nl) | 1986-09-01 |
| SG59582G (en) | 1983-09-02 |
| GB2007049B (en) | 1982-09-29 |
| ES474451A1 (es) | 1979-04-16 |
| US4271530A (en) | 1981-06-02 |
| DE2845483C2 (de) | 1982-08-12 |
| NL179435B (nl) | 1986-04-01 |
| CA1149024A (en) | 1983-06-28 |
| DK154596B (da) | 1988-11-28 |
| GB2007049A (en) | 1979-05-10 |
| JPS5620738B2 (de) | 1981-05-15 |
| MX146152A (es) | 1982-05-19 |
| ATA763978A (de) | 1984-06-15 |
| DK470378A (da) | 1979-04-27 |
| SE430844B (sv) | 1983-12-12 |
| IT7869430A0 (it) | 1978-10-23 |
| SE7810993L (sv) | 1979-04-27 |
| BR7806975A (pt) | 1979-05-15 |
| DE2845483A1 (de) | 1979-05-03 |
| AU519689B2 (en) | 1981-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELA | Expired due to lapse of time |