CH558988A - Mehrkreisiges selektionsfilter fuer zwei unterschiedliche frequenzbereiche. - Google Patents
Mehrkreisiges selektionsfilter fuer zwei unterschiedliche frequenzbereiche.Info
- Publication number
- CH558988A CH558988A CH79674A CH79674A CH558988A CH 558988 A CH558988 A CH 558988A CH 79674 A CH79674 A CH 79674A CH 79674 A CH79674 A CH 79674A CH 558988 A CH558988 A CH 558988A
- Authority
- CH
- Switzerland
- Prior art keywords
- different frequency
- frequency ranges
- selection filter
- circuit selection
- 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
- H03J5/24—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
- H03J5/244—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0153—Electrical filters; Controlling thereof
- H03H7/0161—Bandpass filters
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2303302A DE2303302B1 (de) | 1973-01-24 | 1973-01-24 | Zweikreisiges Selektionsfilter für zwei unterschiedliche Frequenzbereiche |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH558988A true CH558988A (de) | 1975-02-14 |
Family
ID=5869788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH79674A CH558988A (de) | 1973-01-24 | 1974-01-22 | Mehrkreisiges selektionsfilter fuer zwei unterschiedliche frequenzbereiche. |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE809532A (enrdf_load_stackoverflow) |
| CH (1) | CH558988A (enrdf_load_stackoverflow) |
| DE (1) | DE2303302B1 (enrdf_load_stackoverflow) |
| FR (1) | FR2215000B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1412385A (enrdf_load_stackoverflow) |
| IT (1) | IT1006898B (enrdf_load_stackoverflow) |
| NL (1) | NL7400075A (enrdf_load_stackoverflow) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1791222A1 (de) * | 1967-04-29 | 1971-08-26 | Philips Patentverwaltung | Schaltungsanordnung zum Abstimmen |
| ES359059A1 (es) * | 1968-10-11 | 1970-05-16 | Fagor Electrotecnica Sci | Sintonizador integrado electronicamente para t. v. |
-
1973
- 1973-01-24 DE DE2303302A patent/DE2303302B1/de active Pending
-
1974
- 1974-01-03 NL NL7400075A patent/NL7400075A/xx unknown
- 1974-01-08 BE BE7000481A patent/BE809532A/xx unknown
- 1974-01-09 GB GB106874A patent/GB1412385A/en not_active Expired
- 1974-01-14 IT IT1936874A patent/IT1006898B/it active
- 1974-01-22 CH CH79674A patent/CH558988A/xx not_active IP Right Cessation
- 1974-01-24 FR FR7402381A patent/FR2215000B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1412385A (en) | 1975-11-05 |
| NL7400075A (enrdf_load_stackoverflow) | 1974-07-26 |
| FR2215000B1 (enrdf_load_stackoverflow) | 1976-10-08 |
| BE809532A (nl) | 1974-05-02 |
| DE2303302B1 (de) | 1974-07-11 |
| FR2215000A1 (enrdf_load_stackoverflow) | 1974-08-19 |
| IT1006898B (it) | 1976-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |