FR2153359A1 - - Google Patents
Info
- Publication number
- FR2153359A1 FR2153359A1 FR7233411A FR7233411A FR2153359A1 FR 2153359 A1 FR2153359 A1 FR 2153359A1 FR 7233411 A FR7233411 A FR 7233411A FR 7233411 A FR7233411 A FR 7233411A FR 2153359 A1 FR2153359 A1 FR 2153359A1
- 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.)
- Granted
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)
- Stereo-Broadcasting Methods (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18231871A | 1971-09-21 | 1971-09-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2153359A1 true FR2153359A1 (en, 2012) | 1973-05-04 |
| FR2153359B1 FR2153359B1 (en, 2012) | 1981-05-08 |
Family
ID=22667935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7233411A Expired FR2153359B1 (en, 2012) | 1971-09-21 | 1972-09-21 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5416681B2 (en, 2012) |
| KR (1) | KR780000452B1 (en, 2012) |
| CA (1) | CA984007A (en, 2012) |
| DE (1) | DE2246041A1 (en, 2012) |
| FR (1) | FR2153359B1 (en, 2012) |
| GB (1) | GB1391289A (en, 2012) |
| NL (1) | NL7212767A (en, 2012) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2211821A2 (en, 2012) * | 1972-12-01 | 1974-07-19 | Gen Electric | |
| WO1984001479A1 (en) * | 1982-10-04 | 1984-04-12 | Stuart David Saunders | Signal reproduction apparatus |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798377A (en) * | 1972-04-07 | 1974-03-19 | Matsushita Electric Corp | Four channel fm decoder utilizing a one-of-four decoder |
| DE2415218A1 (de) * | 1974-03-29 | 1975-10-02 | Licentia Gmbh | Halbleiterdiode |
-
1972
- 1972-08-30 CA CA150,511A patent/CA984007A/en not_active Expired
- 1972-09-15 GB GB4284372A patent/GB1391289A/en not_active Expired
- 1972-09-20 DE DE2246041A patent/DE2246041A1/de not_active Ceased
- 1972-09-21 JP JP9503472A patent/JPS5416681B2/ja not_active Expired
- 1972-09-21 NL NL7212767A patent/NL7212767A/xx not_active Application Discontinuation
- 1972-09-21 FR FR7233411A patent/FR2153359B1/fr not_active Expired
- 1972-09-21 KR KR7201435A patent/KR780000452B1/ko not_active Expired
Non-Patent Citations (2)
| Title |
|---|
| Revue JA JAPAN ELECTRONIC INDUSTRY, vol. 19, no. 7, juillet 1972, pages 34 à 35, 38, 40 et 42, article 'On the discrete 4-channel FM Broadcasting' * |
| Revue US AUDIO ENGINEERING SOCIETY PREPRINT, prepint, no. 850 (G-4), présentée au 42nd Convention 2-5 mai 1972, Article de DORREN 'The Dorren Quadraplex System of Four-Channel FM Broad-Casting' * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2211821A2 (en, 2012) * | 1972-12-01 | 1974-07-19 | Gen Electric | |
| WO1984001479A1 (en) * | 1982-10-04 | 1984-04-12 | Stuart David Saunders | Signal reproduction apparatus |
| US4829500A (en) * | 1982-10-04 | 1989-05-09 | Saunders Stuart D | Portable wireless sound reproduction system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR780000452B1 (en) | 1978-10-23 |
| FR2153359B1 (en, 2012) | 1981-05-08 |
| GB1391289A (en) | 1975-04-23 |
| CA984007A (en) | 1976-02-17 |
| NL7212767A (en, 2012) | 1973-03-23 |
| JPS5416681B2 (en, 2012) | 1979-06-25 |
| DE2246041A1 (de) | 1973-03-29 |
| JPS4841702A (en, 2012) | 1973-06-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |