FR2304228A1 - Montage pour le reglage progressif de la largeur de base dans un decodeur stereo - Google Patents
Montage pour le reglage progressif de la largeur de base dans un decodeur stereoInfo
- Publication number
- FR2304228A1 FR2304228A1 FR7607182A FR7607182A FR2304228A1 FR 2304228 A1 FR2304228 A1 FR 2304228A1 FR 7607182 A FR7607182 A FR 7607182A FR 7607182 A FR7607182 A FR 7607182A FR 2304228 A1 FR2304228 A1 FR 2304228A1
- Authority
- FR
- France
- Prior art keywords
- assembly
- base width
- stereo decoder
- gradual adjustment
- gradual
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1646—Circuits adapted for the reception of stereophonic signals
- H04B1/1653—Detection of the presence of stereo signals and pilot signal regeneration
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752511026 DE2511026A1 (de) | 1975-03-13 | 1975-03-13 | Schaltungsanordnung zur kontinuierlichen basisbreiteneinstellung in einem stereodecoder |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2304228A1 true FR2304228A1 (fr) | 1976-10-08 |
Family
ID=5941309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7607182A Withdrawn FR2304228A1 (fr) | 1975-03-13 | 1976-03-12 | Montage pour le reglage progressif de la largeur de base dans un decodeur stereo |
Country Status (6)
Country | Link |
---|---|
US (1) | US4032717A (fr) |
JP (1) | JPS51115706A (fr) |
DE (1) | DE2511026A1 (fr) |
FR (1) | FR2304228A1 (fr) |
GB (1) | GB1536963A (fr) |
IT (1) | IT1056857B (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5255301A (en) * | 1975-10-30 | 1977-05-06 | Sony Corp | Stereo demodulation circuit |
JPS5586235A (en) * | 1978-12-25 | 1980-06-28 | Toshiba Corp | Fm stereo signal demodulator |
US4198543A (en) * | 1979-01-19 | 1980-04-15 | General Motors Corporation | Stereo composite processor for stereo radio receiver |
JPS5646346A (en) * | 1979-09-21 | 1981-04-27 | Hitachi Ltd | Control system for fm stereo demodulation |
US4415768A (en) * | 1981-05-28 | 1983-11-15 | Carver R W | Tuning apparatus and method |
JPS585053A (ja) * | 1981-07-02 | 1983-01-12 | Pioneer Electronic Corp | ミユ−テイング回路 |
US4577226A (en) * | 1982-11-30 | 1986-03-18 | Rca Corporation | Noise reduction for FM stereophonic systems and particularly useful in television audio systems |
US4594610A (en) * | 1984-10-15 | 1986-06-10 | Rca Corporation | Camera zoom compensator for television stereo audio |
JPS61257026A (ja) * | 1985-05-10 | 1986-11-14 | Pioneer Electronic Corp | 音声多重tvチユ−ナ |
JPS621441U (fr) * | 1985-06-20 | 1987-01-07 | ||
JPH0628836Y2 (ja) * | 1990-06-29 | 1994-08-03 | パイオニア株式会社 | Fmステレオ受信機 |
DE19630392C2 (de) * | 1996-07-26 | 1998-10-01 | Sgs Thomson Microelectronics | Stereodecoder mit gleitendem Übergang zwischen Stereobetrieb und Monobetrieb |
DE19959156C2 (de) * | 1999-12-08 | 2002-01-31 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals |
JP3837008B2 (ja) * | 2000-03-31 | 2006-10-25 | パイオニア株式会社 | Fmマルチプレクス復調装置 |
EP1284542A1 (fr) * | 2001-08-12 | 2003-02-19 | Semiconductor Ideas to The Market BV | Decodeur stereo |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3233044A (en) * | 1964-10-19 | 1966-02-01 | Packard Bell Electronics Corp | Fm stereophonic multiplex receiver having a single stage for frequency doubling of the pilot signal and amplification of the sub-carrier and l-rsignals |
DE1939422C3 (de) * | 1969-08-02 | 1985-10-03 | Interessengemeinschaft für Rundfunkschutzrechte GmbH Schutzrechtsverwertung & Co KG, 4000 Düsseldorf | Schaltungsanordnung zur Verringerung des Rauschens in einem Stereo-Rundfunkempfänger |
US3752934A (en) * | 1969-12-19 | 1973-08-14 | N Shoichi | Stereo demodulating circuit triggered by a minimum input signal level |
US3823268A (en) * | 1972-06-07 | 1974-07-09 | Mc Intosh Labor Inc | Dynamic stereo separation control |
-
1975
- 1975-03-13 DE DE19752511026 patent/DE2511026A1/de active Pending
-
1976
- 1976-02-20 GB GB6724/76A patent/GB1536963A/en not_active Expired
- 1976-02-26 US US05/661,766 patent/US4032717A/en not_active Expired - Lifetime
- 1976-03-04 IT IT20834/76A patent/IT1056857B/it active
- 1976-03-12 JP JP51026992A patent/JPS51115706A/ja active Pending
- 1976-03-12 FR FR7607182A patent/FR2304228A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB1536963A (en) | 1978-12-29 |
JPS51115706A (en) | 1976-10-12 |
US4032717A (en) | 1977-06-28 |
DE2511026A1 (de) | 1976-09-16 |
IT1056857B (it) | 1982-02-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |