IL37872A - Quadruphonic reproducing system - Google Patents
Quadruphonic reproducing systemInfo
- Publication number
- IL37872A IL37872A IL37872A IL3787271A IL37872A IL 37872 A IL37872 A IL 37872A IL 37872 A IL37872 A IL 37872A IL 3787271 A IL3787271 A IL 3787271A IL 37872 A IL37872 A IL 37872A
- Authority
- IL
- Israel
- Prior art keywords
- signals
- composite
- networks
- operative
- signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8185870A | 1970-10-19 | 1970-10-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
IL37872A0 IL37872A0 (en) | 1971-12-29 |
IL37872A true IL37872A (en) | 1973-11-28 |
Family
ID=22166858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL37872A IL37872A (en) | 1970-10-19 | 1971-10-07 | Quadruphonic reproducing system |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE772298A (fr) |
CA (1) | CA974457A (fr) |
FR (1) | FR2109754A5 (fr) |
GB (1) | GB1360411A (fr) |
IL (1) | IL37872A (fr) |
NL (1) | NL7108370A (fr) |
-
1971
- 1971-06-17 NL NL7108370A patent/NL7108370A/xx unknown
- 1971-07-29 CA CA119,392A patent/CA974457A/en not_active Expired
- 1971-09-06 GB GB4151271A patent/GB1360411A/en not_active Expired
- 1971-09-07 BE BE772298A patent/BE772298A/fr unknown
- 1971-09-08 FR FR7132479A patent/FR2109754A5/fr not_active Expired
- 1971-10-07 IL IL37872A patent/IL37872A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE2139098B2 (de) | 1976-11-25 |
GB1360411A (en) | 1974-07-17 |
FR2109754A5 (fr) | 1972-05-26 |
CA974457A (en) | 1975-09-16 |
BE772298A (fr) | 1972-03-17 |
AU3214771A (en) | 1973-02-15 |
NL7108370A (fr) | 1972-04-21 |
DE2139098A1 (de) | 1972-04-20 |
IL37872A0 (en) | 1971-12-29 |
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