GB1505358A - Stereo demodulator circuit - Google Patents
Stereo demodulator circuitInfo
- Publication number
- GB1505358A GB1505358A GB11218/75A GB1121875A GB1505358A GB 1505358 A GB1505358 A GB 1505358A GB 11218/75 A GB11218/75 A GB 11218/75A GB 1121875 A GB1121875 A GB 1121875A GB 1505358 A GB1505358 A GB 1505358A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- sub
- channel signals
- produce
- composite
- 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
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
- H03D1/2227—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 switches for the decoding
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US455841A US3916109A (en) | 1974-03-28 | 1974-03-28 | Stereo demodulating circuits and method of demodulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1505358A true GB1505358A (en) | 1978-03-30 |
Family
ID=23810481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11218/75A Expired GB1505358A (en) | 1974-03-28 | 1975-03-18 | Stereo demodulator circuit |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3916109A (https=) |
| JP (1) | JPS5513658B2 (https=) |
| DE (1) | DE2513790C2 (https=) |
| FR (1) | FR2266372B1 (https=) |
| GB (1) | GB1505358A (https=) |
| HK (1) | HK781A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS558111A (en) * | 1978-06-30 | 1980-01-21 | Pioneer Electronic Corp | Stereo demodulation circuit |
| JPS5832359Y2 (ja) * | 1978-09-18 | 1983-07-18 | 株式会社ケンウッド | ステレオ復調器 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE25699E (en) * | 1954-04-26 | 1964-12-15 | Simplified two-channel multiplex system | |
| NL7001466A (https=) * | 1969-02-07 | 1970-08-11 | ||
| US3798376A (en) * | 1969-12-29 | 1974-03-19 | Rca Corp | Multiplex decoding system |
| DE2127545C3 (de) * | 1970-06-09 | 1979-05-23 | Sony Corp., Tokio | Transistor-Gate-Schaltung |
-
1974
- 1974-03-28 US US455841A patent/US3916109A/en not_active Expired - Lifetime
-
1975
- 1975-03-18 GB GB11218/75A patent/GB1505358A/en not_active Expired
- 1975-03-27 DE DE2513790A patent/DE2513790C2/de not_active Expired
- 1975-03-28 FR FR7510021A patent/FR2266372B1/fr not_active Expired
- 1975-03-28 JP JP3706275A patent/JPS5513658B2/ja not_active Expired
-
1981
- 1981-01-15 HK HK7/81A patent/HK781A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2513790C2 (de) | 1983-01-20 |
| US3916109A (en) | 1975-10-28 |
| FR2266372B1 (https=) | 1980-08-01 |
| DE2513790A1 (de) | 1975-10-09 |
| JPS5513658B2 (https=) | 1980-04-10 |
| FR2266372A1 (https=) | 1975-10-24 |
| JPS50131702A (https=) | 1975-10-18 |
| HK781A (en) | 1981-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19950317 |