NL191132C - Afstemschakeling. - Google Patents
Afstemschakeling.Info
- Publication number
- NL191132C NL191132C NL8000315A NL8000315A NL191132C NL 191132 C NL191132 C NL 191132C NL 8000315 A NL8000315 A NL 8000315A NL 8000315 A NL8000315 A NL 8000315A NL 191132 C NL191132 C NL 191132C
- Authority
- NL
- Netherlands
- Prior art keywords
- tuning circuit
- tuning
- circuit
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
- H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
- H03J1/005—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers in a loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP54004294A JPS593891B2 (ja) | 1979-01-17 | 1979-01-17 | 受信検出回路 |
| JP429479 | 1979-01-17 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL8000315A NL8000315A (nl) | 1980-07-21 |
| NL191132B NL191132B (nl) | 1994-09-01 |
| NL191132C true NL191132C (nl) | 1995-02-01 |
Family
ID=11580486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8000315A NL191132C (nl) | 1979-01-17 | 1980-01-17 | Afstemschakeling. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4298989A (xx) |
| JP (1) | JPS593891B2 (xx) |
| AU (1) | AU530100B2 (xx) |
| CA (1) | CA1125444A (xx) |
| DE (1) | DE3001431A1 (xx) |
| FR (1) | FR2447118B1 (xx) |
| GB (1) | GB2040622B (xx) |
| NL (1) | NL191132C (xx) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8003087A (nl) * | 1980-05-29 | 1982-01-04 | Philips Nv | Ontvanger met een zenderzoekschakeling. |
| JPS5728517U (xx) * | 1980-07-22 | 1982-02-15 | ||
| JPS5732123A (en) * | 1980-08-05 | 1982-02-20 | Toshiba Corp | Channel selector |
| JPS5866412A (ja) * | 1981-10-16 | 1983-04-20 | Fujitsu Ten Ltd | 電子同調方式採用ラジオ受信機 |
| JPS5885623A (ja) * | 1981-11-18 | 1983-05-23 | Pioneer Electronic Corp | Ａｍ受信機の同調方法 |
| JPH0697730B2 (ja) * | 1985-04-30 | 1994-11-30 | ソニー株式会社 | 電子同調式ｆｍ受信機 |
| CA1259378A (en) * | 1985-09-19 | 1989-09-12 | Noriaki Omoto | A.f.c. system for broad-band fm receiver |
| US4727591A (en) * | 1986-09-04 | 1988-02-23 | Arvin Industries, Inc. | Microprocessor controlled tuning system |
| US4862514A (en) * | 1986-11-24 | 1989-08-29 | World Electronics, Inc. | Hybrid electronic radio repeater |
| US4887086A (en) * | 1987-07-28 | 1989-12-12 | Trycomm Technologies, Inc. | Combination scanner and radar detector |
| JP2625759B2 (ja) * | 1987-09-22 | 1997-07-02 | ソニー株式会社 | オートチューニング装置 |
| US5073975A (en) * | 1989-08-28 | 1991-12-17 | Delco Electronics Corporation | Stop on station circuit including center channel detector |
| US5224129A (en) * | 1990-10-31 | 1993-06-29 | Tektronix, Inc. | Method of synchronizing signals of a pulse generator |
| US5367699A (en) * | 1991-11-26 | 1994-11-22 | Bull Hn Information Systems Inc. | Central processing unit incorporation selectable, precisa ratio, speed of execution derating |
| FI90383C (fi) * | 1992-03-09 | 1994-01-25 | Nokia Mobile Phones Ltd | Menetelmä radiopuhelimen referenssitaajuuden stabiloimiseksi |
| JPH10145188A (ja) * | 1996-11-07 | 1998-05-29 | Sony Corp | 受信装置 |
| DE19949250B4 (de) * | 1999-10-13 | 2007-06-21 | Harman Becker Automotive Systems Gmbh | Verfahren zum automatischen Auffinden eines AM-Rundfunkprogramms |
| US7274918B1 (en) | 2001-01-11 | 2007-09-25 | Harman Becker Automotive Systems Gmbh | Apparatus for automatically finding an am radio program |
| JP4289507B2 (ja) * | 2006-11-08 | 2009-07-01 | 日本電波工業株式会社 | シンセサイザモジュール |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5345252B2 (xx) * | 1974-12-17 | 1978-12-05 | ||
| US4081752A (en) * | 1975-05-30 | 1978-03-28 | Sanyo Electric Co., Ltd. | Digital frequency synthesizer receiver |
| CA1076212A (en) * | 1975-05-30 | 1980-04-22 | Sanyo Electric Co. | Multiple-band digital frequency synthesizer receiver |
| JPS5227302A (en) * | 1975-08-27 | 1977-03-01 | Sony Corp | Station selecting device |
| JPS5946129B2 (ja) * | 1976-04-05 | 1984-11-10 | ソニー株式会社 | 選局装置 |
| US4087793A (en) * | 1976-10-28 | 1978-05-02 | Motorola, Inc. | Digital electronic control and switching arrangement |
| DE2650305C3 (de) * | 1976-11-02 | 1980-11-20 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung fur einen automatischen Sendersuchlauf |
| AU4646579A (en) * | 1978-05-19 | 1979-11-22 | Walter George Cox | Frequency selector tuning means |
-
1979
- 1979-01-17 JP JP54004294A patent/JPS593891B2/ja not_active Expired
-
1980
- 1980-01-11 US US06/111,188 patent/US4298989A/en not_active Expired - Lifetime
- 1980-01-16 DE DE19803001431 patent/DE3001431A1/de active Granted
- 1980-01-16 AU AU54651/80A patent/AU530100B2/en not_active Ceased
- 1980-01-16 GB GB8001423A patent/GB2040622B/en not_active Expired
- 1980-01-16 CA CA343,751A patent/CA1125444A/en not_active Expired
- 1980-01-17 FR FR8001017A patent/FR2447118B1/fr not_active Expired
- 1980-01-17 NL NL8000315A patent/NL191132C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2447118A1 (fr) | 1980-08-14 |
| FR2447118B1 (fr) | 1985-05-31 |
| NL191132B (nl) | 1994-09-01 |
| AU530100B2 (en) | 1983-06-30 |
| AU5465180A (en) | 1980-08-07 |
| GB2040622B (en) | 1982-12-15 |
| DE3001431C2 (xx) | 1987-02-05 |
| JPS5596722A (en) | 1980-07-23 |
| NL8000315A (nl) | 1980-07-21 |
| GB2040622A (en) | 1980-08-28 |
| JPS593891B2 (ja) | 1984-01-26 |
| DE3001431A1 (de) | 1980-07-31 |
| US4298989A (en) | 1981-11-03 |
| CA1125444A (en) | 1982-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| V1 | Lapsed because of non-payment of the annual fee |
Effective date: 19950801 |