FR1484513A - - Google Patents
Info
- Publication number
- FR1484513A FR1484513A FR1484513DA FR1484513A FR 1484513 A FR1484513 A FR 1484513A FR 1484513D A FR1484513D A FR 1484513DA FR 1484513 A FR1484513 A FR 1484513A
- Authority
- FR
- France
- 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
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
- H03D1/2218—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 using diodes for the decoding
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US368033A US3296378A (en) | 1964-05-18 | 1964-05-18 | Monophonic-stereophonic automatic switching and demodulator circuit |
| US376035A US3296379A (en) | 1964-05-18 | 1964-06-18 | Monophonic-stereophonic automatic switching circuit |
| FR66866A FR1484514A (fr) | 1964-05-18 | 1966-06-24 | Circuit de démodulation et de commutation automatique pour monophonie et stéréophonie |
| FR66865 | 1966-06-24 | ||
| DES0104560 | 1966-07-01 | ||
| DES0104561 | 1966-07-01 | ||
| GB29915/66A GB1157674A (en) | 1964-05-18 | 1966-07-04 | Monophonic-Stereophonic Automatic Switching and Demodulator Circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1484513A true FR1484513A (en:Method) | 1967-09-28 |
Family
ID=27561709
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1484513D Expired FR1484513A (en:Method) | 1964-05-18 | ||
| FR66866A Expired FR1484514A (fr) | 1964-05-18 | 1966-06-24 | Circuit de démodulation et de commutation automatique pour monophonie et stéréophonie |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR66866A Expired FR1484514A (fr) | 1964-05-18 | 1966-06-24 | Circuit de démodulation et de commutation automatique pour monophonie et stéréophonie |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US3296378A (en:Method) |
| BE (2) | BE683196A (en:Method) |
| DE (2) | DE1487438A1 (en:Method) |
| FR (2) | FR1484514A (en:Method) |
| GB (2) | GB1157674A (en:Method) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3569633A (en) * | 1967-12-21 | 1971-03-09 | Heath Co | Fm stereo receiver having automatic threshold switching circuitry |
| US3634626A (en) * | 1970-04-06 | 1972-01-11 | Sylvania Electric Prod | Noise-operated automatic stereo to monaural switch for fm receivers |
| US3790714A (en) * | 1970-07-13 | 1974-02-05 | Sony Corp | Fm stereophonic receiver |
| JPS5225681B1 (en:Method) * | 1970-12-11 | 1977-07-09 | ||
| JPS5138523B2 (en:Method) * | 1971-09-20 | 1976-10-22 | ||
| JPS5315602B2 (en:Method) * | 1972-09-29 | 1978-05-26 | ||
| JPS5442201B2 (en:Method) * | 1973-11-26 | 1979-12-13 | ||
| US4021737A (en) * | 1975-06-04 | 1977-05-03 | Trask Burdick S | System for processing and transmitting audio signals received from a television set for reproduction by a high fidelity FM receiver |
| JPS5243303A (en) * | 1975-10-01 | 1977-04-05 | Pioneer Electronic Corp | Reversion circuit of fm stereo |
| JPS579139A (en) * | 1980-06-19 | 1982-01-18 | Pioneer Electronic Corp | Acoustic device having am stereo receiving function |
| JPS57155852A (en) * | 1981-03-20 | 1982-09-27 | Sony Corp | Stereo reproducing device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL279877A (en:Method) * | 1961-06-19 | |||
| NL281582A (en:Method) * | 1961-07-31 | |||
| DE1149396B (de) * | 1961-12-02 | 1963-05-30 | Telefunken Patent | Empfangsschaltung fuer kompatible Rundfunk-Stereophonie |
| US3175041A (en) * | 1962-06-11 | 1965-03-23 | Pilot Radio Corp | Fm stereo demodulator using time division switching |
-
0
- FR FR1484513D patent/FR1484513A/fr not_active Expired
-
1964
- 1964-05-18 US US368033A patent/US3296378A/en not_active Expired - Lifetime
- 1964-06-18 US US376035A patent/US3296379A/en not_active Expired - Lifetime
-
1966
- 1966-06-24 FR FR66866A patent/FR1484514A/fr not_active Expired
- 1966-06-27 BE BE683196D patent/BE683196A/xx unknown
- 1966-06-27 BE BE683197D patent/BE683197A/xx unknown
- 1966-07-01 DE DE19661487438 patent/DE1487438A1/de active Pending
- 1966-07-01 DE DE19661487439 patent/DE1487439A1/de active Pending
- 1966-07-04 GB GB29915/66A patent/GB1157674A/en not_active Expired
- 1966-07-04 GB GB29914/66A patent/GB1157673A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE683197A (en:Method) | 1966-12-01 |
| DE1487439A1 (de) | 1969-04-03 |
| US3296378A (en) | 1967-01-03 |
| FR1484514A (fr) | 1967-06-09 |
| BE683196A (en:Method) | 1966-12-01 |
| GB1157674A (en) | 1969-07-09 |
| DE1487438A1 (de) | 1969-02-20 |
| US3296379A (en) | 1967-01-03 |
| GB1157673A (en) | 1969-07-09 |