IT1102026B - Filtro passa-banda ad accordo asservito ed apparecchiatura comportante un tale filtro - Google Patents
Filtro passa-banda ad accordo asservito ed apparecchiatura comportante un tale filtroInfo
- Publication number
- IT1102026B IT1102026B IT47824/78A IT4782478A IT1102026B IT 1102026 B IT1102026 B IT 1102026B IT 47824/78 A IT47824/78 A IT 47824/78A IT 4782478 A IT4782478 A IT 4782478A IT 1102026 B IT1102026 B IT 1102026B
- Authority
- IT
- Italy
- Prior art keywords
- filter
- subordinated
- agreement
- band
- equipment containing
- Prior art date
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
- H03J7/30—Automatic scanning over a band of frequencies where the scanning is accomplished by mechanical means, e.g. by a motor
-
- 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
- H03J7/16—Automatic frequency control where the frequency control is accomplished by mechanical means, e.g. by a motor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7702451A FR2379195A1 (fr) | 1977-01-28 | 1977-01-28 | Filtre passe-bande a accord asservi, et equipement comportant un tel filtre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7847824A0 IT7847824A0 (it) | 1978-01-27 |
| IT1102026B true IT1102026B (it) | 1985-10-07 |
Family
ID=9186029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT47824/78A IT1102026B (it) | 1977-01-28 | 1978-01-27 | Filtro passa-banda ad accordo asservito ed apparecchiatura comportante un tale filtro |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4157515A (it) |
| JP (1) | JPS5820487B2 (it) |
| AR (1) | AR214116A1 (it) |
| BR (1) | BR7800531A (it) |
| DE (1) | DE2803636C2 (it) |
| FR (1) | FR2379195A1 (it) |
| GB (1) | GB1556843A (it) |
| IT (1) | IT1102026B (it) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5665530A (en) | 1979-10-31 | 1981-06-03 | Sony Corp | Pll circuit |
| US4644303A (en) * | 1984-03-13 | 1987-02-17 | Orion Industries, Inc. | Multiple cavity square prism filter transmitter combiner with shared square walls and tuning controls mounted on rectangular end walls |
| US4726071A (en) * | 1984-12-31 | 1988-02-16 | Orion Industries, Inc. | Microprocessor controlled self-tuning resonant cavity and method |
| GB2188202B (en) * | 1986-03-19 | 1989-12-06 | Marconi Co Ltd | High power systems |
| EP0506476B1 (en) * | 1991-03-29 | 1996-06-05 | Ngk Insulators, Ltd. | Dielectric filter having coupling electrodes for connecting resonator electrodes, and method of adjusting frequency characteristic of the filter |
| US5739731A (en) * | 1994-01-18 | 1998-04-14 | Allen Telecom Group, Inc. | Self-tuning resonant cavity filter |
| SE516287C2 (sv) * | 2000-02-16 | 2001-12-10 | Allgon Ab | Avstämningsbart filter och karaktäriserings- och avstämningsmetoder för nämnda filter |
| US6898419B1 (en) * | 2001-04-30 | 2005-05-24 | Nortel Networks Corporation | Remotely adjustable bandpass filter |
| US7034266B1 (en) | 2005-04-27 | 2006-04-25 | Kimberly-Clark Worldwide, Inc. | Tunable microwave apparatus |
| KR101065125B1 (ko) * | 2010-09-20 | 2011-09-16 | 주식회사 에이스테크놀로지 | Rf 장비의 자동 튜닝 장치 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2976408A (en) * | 1960-04-25 | 1961-03-21 | Albert C Colaguori | Synchronous selectivity receiver |
| US3715690A (en) * | 1971-05-18 | 1973-02-06 | Trw Inc | Automatic tuning electric wave filter |
-
1977
- 1977-01-28 FR FR7702451A patent/FR2379195A1/fr active Granted
-
1978
- 1978-01-23 US US05/871,799 patent/US4157515A/en not_active Expired - Lifetime
- 1978-01-25 GB GB3067/78A patent/GB1556843A/en not_active Expired
- 1978-01-26 AR AR270867A patent/AR214116A1/es active
- 1978-01-27 IT IT47824/78A patent/IT1102026B/it active
- 1978-01-27 DE DE2803636A patent/DE2803636C2/de not_active Expired
- 1978-01-27 JP JP53008212A patent/JPS5820487B2/ja not_active Expired
- 1978-01-27 BR BR7800531A patent/BR7800531A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AR214116A1 (es) | 1979-04-30 |
| GB1556843A (en) | 1979-11-28 |
| JPS53124048A (en) | 1978-10-30 |
| JPS5820487B2 (ja) | 1983-04-23 |
| BR7800531A (pt) | 1978-10-03 |
| DE2803636A1 (de) | 1978-08-03 |
| FR2379195B1 (it) | 1980-09-12 |
| DE2803636C2 (de) | 1982-10-28 |
| IT7847824A0 (it) | 1978-01-27 |
| US4157515A (en) | 1979-06-05 |
| FR2379195A1 (fr) | 1978-08-25 |
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