FR2211821B2 - - Google Patents
Info
- Publication number
- FR2211821B2 FR2211821B2 FR7342853A FR7342853A FR2211821B2 FR 2211821 B2 FR2211821 B2 FR 2211821B2 FR 7342853 A FR7342853 A FR 7342853A FR 7342853 A FR7342853 A FR 7342853A FR 2211821 B2 FR2211821 B2 FR 2211821B2
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
- H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/311,195 US3934092A (en) | 1971-09-21 | 1972-12-01 | Four channel stereophonic broadcasting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2211821A2 FR2211821A2 (xx) | 1974-07-19 |
| FR2211821B2 true FR2211821B2 (xx) | 1981-08-21 |
Family
ID=23205826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7342853A Expired FR2211821B2 (xx) | 1972-12-01 | 1973-11-30 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4989502A (xx) |
| DE (1) | DE2359254A1 (xx) |
| FR (1) | FR2211821B2 (xx) |
| GB (1) | GB1391290A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5263379B2 (ja) | 2011-12-15 | 2013-08-14 | 三浦工業株式会社 | ドレン回収システム |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR727097A (fr) * | 1931-02-05 | 1932-06-13 | Radio Electr Soc Fr | Perfectionnements aux transmetteurs émettant des ondes modulées et aux récepteurs |
| CA984007A (en) * | 1971-09-21 | 1976-02-17 | Antal Csicsatka | Four channel stereophonic system |
-
1973
- 1973-11-19 JP JP13004373A patent/JPS4989502A/ja active Pending
- 1973-11-23 GB GB5457873A patent/GB1391290A/en not_active Expired
- 1973-11-28 DE DE19732359254 patent/DE2359254A1/de not_active Ceased
- 1973-11-30 FR FR7342853A patent/FR2211821B2/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4989502A (xx) | 1974-08-27 |
| GB1391290A (en) | 1975-04-23 |
| FR2211821A2 (xx) | 1974-07-19 |
| DE2359254A1 (de) | 1974-06-06 |