NL7108370A - - Google Patents
Info
- Publication number
- NL7108370A NL7108370A NL7108370A NL7108370A NL7108370A NL 7108370 A NL7108370 A NL 7108370A NL 7108370 A NL7108370 A NL 7108370A NL 7108370 A NL7108370 A NL 7108370A NL 7108370 A NL7108370 A NL 7108370A
- Authority
- NL
- Netherlands
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 (1)
| Publication Number | Publication Date |
|---|---|
| NL7108370A true NL7108370A (xx) | 1972-04-21 |
Family
ID=22166858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7108370A NL7108370A (xx) | 1970-10-19 | 1971-06-17 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE772298A (xx) |
| CA (1) | CA974457A (xx) |
| FR (1) | FR2109754A5 (xx) |
| GB (1) | GB1360411A (xx) |
| IL (1) | IL37872A (xx) |
| NL (1) | NL7108370A (xx) |
-
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/xx 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 |
| CA974457A (en) | 1975-09-16 |
| IL37872A0 (en) | 1971-12-29 |
| IL37872A (en) | 1973-11-28 |
| DE2139098A1 (de) | 1972-04-20 |
| BE772298A (fr) | 1972-03-17 |
| AU3214771A (en) | 1973-02-15 |
| FR2109754A5 (xx) | 1972-05-26 |