ES2017569A6 - Circuito de filtro de frecuencia intermedia de sonido para receptor de television de sistemas multiples. - Google Patents
Circuito de filtro de frecuencia intermedia de sonido para receptor de television de sistemas multiples.Info
- Publication number
- ES2017569A6 ES2017569A6 ES898903952A ES8903952A ES2017569A6 ES 2017569 A6 ES2017569 A6 ES 2017569A6 ES 898903952 A ES898903952 A ES 898903952A ES 8903952 A ES8903952 A ES 8903952A ES 2017569 A6 ES2017569 A6 ES 2017569A6
- Authority
- ES
- Spain
- Prior art keywords
- audio
- filters
- saw
- filter
- tuner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR880018917 | 1988-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2017569A6 true ES2017569A6 (es) | 1991-02-16 |
Family
ID=19281519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES898903952A Expired - Lifetime ES2017569A6 (es) | 1988-11-22 | 1989-11-20 | Circuito de filtro de frecuencia intermedia de sonido para receptor de television de sistemas multiples. |
Country Status (6)
| Country | Link |
|---|---|
| DE (1) | DE3938303A1 (enrdf_load_stackoverflow) |
| ES (1) | ES2017569A6 (enrdf_load_stackoverflow) |
| GB (1) | GB2225681B (enrdf_load_stackoverflow) |
| HU (1) | HU206173B (enrdf_load_stackoverflow) |
| IT (2) | IT8934897V0 (enrdf_load_stackoverflow) |
| RU (1) | RU1833515C (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4317220A1 (de) * | 1993-05-24 | 1994-12-01 | Thomson Brandt Gmbh | Schaltung zur Tonnorm-Erkennung in einem Fernsehempfänger |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3858118A (en) * | 1973-07-17 | 1974-12-31 | Westinghouse Electric Corp | Acoustic surface wave television tuner |
| FI63508C (fi) * | 1981-02-11 | 1983-06-10 | Salora Oy | Koppling vid en televisionsmottagare foer detektering av ljudsignaler som saents enligt olika saendningsnormer |
| US4511924A (en) * | 1982-10-29 | 1985-04-16 | Rca Corporation | Frequency translation phase-locked loop for separate or intercarrier type television sound detection |
| DE3509516C1 (de) * | 1985-03-16 | 1986-09-18 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung der Eingangsstufen eines Fernsehtuners |
-
1989
- 1989-11-17 DE DE3938303A patent/DE3938303A1/de active Granted
- 1989-11-17 HU HU895954A patent/HU206173B/hu not_active IP Right Cessation
- 1989-11-20 ES ES898903952A patent/ES2017569A6/es not_active Expired - Lifetime
- 1989-11-20 GB GB8926168A patent/GB2225681B/en not_active Expired - Fee Related
- 1989-11-21 IT IT34897U patent/IT8934897V0/it unknown
- 1989-11-21 IT IT04688689A patent/IT1237577B/it active IP Right Grant
- 1989-11-21 RU SU894742485A patent/RU1833515C/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| DE3938303C2 (enrdf_load_stackoverflow) | 1992-12-24 |
| GB8926168D0 (en) | 1990-01-10 |
| HU206173B (en) | 1992-08-28 |
| GB2225681A (en) | 1990-06-06 |
| HU895954D0 (en) | 1990-02-28 |
| RU1833515C (en) | 1993-08-07 |
| HUT55179A (en) | 1991-04-29 |
| IT8934897V0 (it) | 1989-11-21 |
| DE3938303A1 (de) | 1990-05-23 |
| IT1237577B (it) | 1993-06-08 |
| IT8946886A1 (it) | 1991-05-21 |
| GB2225681B (en) | 1993-04-14 |
| IT8946886A0 (it) | 1989-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SA6 | Expiration date (snapshot 920101) |
Free format text: 2009-11-20 |
|
| FD1A | Patent lapsed |
Effective date: 20071121 |