NL7105742A - - Google Patents
Info
- Publication number
- NL7105742A NL7105742A NL7105742A NL7105742A NL7105742A NL 7105742 A NL7105742 A NL 7105742A NL 7105742 A NL7105742 A NL 7105742A NL 7105742 A NL7105742 A NL 7105742A NL 7105742 A NL7105742 A NL 7105742A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMSÂ
- 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 |
|---|---|---|---|
| US4051070A | 1970-05-26 | 1970-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7105742A true NL7105742A (cs) | 1971-11-30 |
Family
ID=21911362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7105742A NL7105742A (cs) | 1970-05-26 | 1971-04-27 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE767694A (cs) |
| DE (1) | DE2125952A1 (cs) |
| FR (1) | FR2090293B1 (cs) |
| NL (1) | NL7105742A (cs) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE22C (de) * | 1877-07-05 | O. SANDER zu Beuel bei Bonn | Verfahren, Gewebe wasserdicht zu machen |
-
1971
- 1971-04-27 NL NL7105742A patent/NL7105742A/xx unknown
- 1971-05-25 FR FR7118904A patent/FR2090293B1/fr not_active Expired
- 1971-05-25 DE DE19712125952 patent/DE2125952A1/de active Pending
- 1971-05-26 BE BE767694A patent/BE767694A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE767694A (fr) | 1971-11-26 |
| FR2090293A1 (cs) | 1972-01-14 |
| FR2090293B1 (cs) | 1976-12-03 |
| DE2125952A1 (de) | 1971-12-02 |