NL189331C - Frequentiemultiplex-stereosignaaldemodulator. - Google Patents
Frequentiemultiplex-stereosignaaldemodulator.Info
- Publication number
- NL189331C NL189331C NLAANVRAGE7611051,A NL7611051A NL189331C NL 189331 C NL189331 C NL 189331C NL 7611051 A NL7611051 A NL 7611051A NL 189331 C NL189331 C NL 189331C
- Authority
- NL
- Netherlands
- Prior art keywords
- stereo signal
- signal demodulator
- frequency multiplex
- multiplex stereo
- frequency
- Prior art date
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12227675A JPS5831058B2 (ja) | 1975-10-09 | 1975-10-09 | ステレオフクチヨウカイロ |
JP12200875A JPS5846898B2 (ja) | 1975-10-10 | 1975-10-10 | ステレオフクチヨウカイロ |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7611051A NL7611051A (nl) | 1977-04-13 |
NL189331B NL189331B (nl) | 1992-10-01 |
NL189331C true NL189331C (nl) | 1993-03-01 |
Family
ID=26459235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7611051,A NL189331C (nl) | 1975-10-09 | 1976-10-06 | Frequentiemultiplex-stereosignaaldemodulator. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4049918A (nl) |
AU (1) | AU504958B2 (nl) |
CA (1) | CA1073059A (nl) |
DE (1) | DE2645774C2 (nl) |
FR (1) | FR2327672A1 (nl) |
GB (1) | GB1529080A (nl) |
NL (1) | NL189331C (nl) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5326554A (en) * | 1976-08-24 | 1978-03-11 | Sony Corp | Tr ansistor circuit |
JPS5921233B2 (ja) * | 1976-09-14 | 1984-05-18 | ソニー株式会社 | ステレオ復調回路 |
JPS5636246A (en) * | 1979-08-31 | 1981-04-09 | Nec Corp | Stereo signal demodulating circuit |
JPS5854692B2 (ja) * | 1979-12-28 | 1983-12-06 | 三洋電機株式会社 | ステレオマルチプレックス回路 |
DE3130341A1 (de) * | 1980-09-17 | 1982-06-16 | Hitachi, Ltd., Tokyo | Rauschsperre und mit dieser versehener fm-funkempfaenger |
JPS5943644A (ja) * | 1982-09-04 | 1984-03-10 | Pioneer Electronic Corp | Fmステレオ復調回路 |
JPS59226531A (ja) * | 1983-06-08 | 1984-12-19 | Sony Corp | Fmステレオ復調回路 |
JP3891896B2 (ja) * | 2002-07-12 | 2007-03-14 | 株式会社豊田自動織機 | セパレーション調整回路 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3573382A (en) * | 1969-02-06 | 1971-04-06 | Motorola Inc | A stereophonic receiver muting means with substitution of a dc circuit for an ac circuit |
NL7001466A (nl) * | 1969-02-07 | 1970-08-11 | ||
NL7011102A (nl) * | 1969-07-29 | 1971-02-02 | ||
US3752934A (en) * | 1969-12-19 | 1973-08-14 | N Shoichi | Stereo demodulating circuit triggered by a minimum input signal level |
US3711652A (en) * | 1971-03-10 | 1973-01-16 | Gen Electric | Monolithic stereo decoder with balanced decoder operation |
US3875522A (en) * | 1973-04-13 | 1975-04-01 | Signetics Corp | Integrated direct-coupled electronic attenuator |
JPS5437213Y2 (nl) * | 1973-09-13 | 1979-11-08 |
-
1976
- 1976-10-06 AU AU18410/76A patent/AU504958B2/en not_active Expired
- 1976-10-06 GB GB41563/76A patent/GB1529080A/en not_active Expired
- 1976-10-06 NL NLAANVRAGE7611051,A patent/NL189331C/nl not_active IP Right Cessation
- 1976-10-08 FR FR7630334A patent/FR2327672A1/fr active Granted
- 1976-10-08 CA CA262,995A patent/CA1073059A/en not_active Expired
- 1976-10-08 US US05/731,018 patent/US4049918A/en not_active Expired - Lifetime
- 1976-10-09 DE DE2645774A patent/DE2645774C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1529080A (en) | 1978-10-18 |
FR2327672B1 (nl) | 1980-08-08 |
DE2645774C2 (de) | 1984-03-08 |
US4049918A (en) | 1977-09-20 |
CA1073059A (en) | 1980-03-04 |
AU1841076A (en) | 1978-04-13 |
NL7611051A (nl) | 1977-04-13 |
DE2645774A1 (de) | 1977-04-21 |
FR2327672A1 (fr) | 1977-05-06 |
AU504958B2 (en) | 1979-11-01 |
NL189331B (nl) | 1992-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |