FR2310672A1 - Dispositif pour la realisation d'une transmission tetraphonique compatible au moyen de sources sonores virtuelles - Google Patents
Dispositif pour la realisation d'une transmission tetraphonique compatible au moyen de sources sonores virtuellesInfo
- Publication number
- FR2310672A1 FR2310672A1 FR7514400A FR7514400A FR2310672A1 FR 2310672 A1 FR2310672 A1 FR 2310672A1 FR 7514400 A FR7514400 A FR 7514400A FR 7514400 A FR7514400 A FR 7514400A FR 2310672 A1 FR2310672 A1 FR 2310672A1
- Authority
- FR
- France
- Prior art keywords
- signals
- dual
- quadrphonic
- compositie
- loudspeakers
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7514400A FR2310672A1 (fr) | 1975-05-07 | 1975-05-07 | Dispositif pour la realisation d'une transmission tetraphonique compatible au moyen de sources sonores virtuelles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7514400A FR2310672A1 (fr) | 1975-05-07 | 1975-05-07 | Dispositif pour la realisation d'une transmission tetraphonique compatible au moyen de sources sonores virtuelles |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2310672A1 true FR2310672A1 (fr) | 1976-12-03 |
Family
ID=9154998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7514400A Withdrawn FR2310672A1 (fr) | 1975-05-07 | 1975-05-07 | Dispositif pour la realisation d'une transmission tetraphonique compatible au moyen de sources sonores virtuelles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2310672A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2159664A5 (fr) * | 1971-11-08 | 1973-06-22 | Quadracast Systems | |
FR2163689A1 (fr) * | 1971-12-16 | 1973-07-27 | Matsushita Electric Ind Co Ltd | |
FR2179032A1 (fr) * | 1972-04-07 | 1973-11-16 | Quadracast Systems | |
FR2212717A1 (fr) * | 1972-12-28 | 1974-07-26 | Elektromechanikai Vallalat |
-
1975
- 1975-05-07 FR FR7514400A patent/FR2310672A1/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2159664A5 (fr) * | 1971-11-08 | 1973-06-22 | Quadracast Systems | |
FR2163689A1 (fr) * | 1971-12-16 | 1973-07-27 | Matsushita Electric Ind Co Ltd | |
FR2179032A1 (fr) * | 1972-04-07 | 1973-11-16 | Quadracast Systems | |
FR2212717A1 (fr) * | 1972-12-28 | 1974-07-26 | Elektromechanikai Vallalat |
Non-Patent Citations (2)
Title |
---|
Revue US: 'IEEE Transactions on Broadcast and Television Receivers', Vol BTR-19, no. 4, novembre 1973, pages 277 - 285, article: 'An Optimum Quadraphonic FM Broadcasting System' de DORREN * |
Revue US: 'Journal of the Audio Engineering Society', Vol 18, april 1970, no. 2, page 198, article: 'Time-Division Multiplex for Four-Channel FM' de COOPER * |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |