NL7213639A - - Google Patents
Info
- Publication number
- NL7213639A NL7213639A NL7213639A NL7213639A NL7213639A NL 7213639 A NL7213639 A NL 7213639A NL 7213639 A NL7213639 A NL 7213639A NL 7213639 A NL7213639 A NL 7213639A NL 7213639 A NL7213639 A NL 7213639A
- 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)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7963871A JPS5340081B2 (xx) | 1971-10-09 | 1971-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7213639A true NL7213639A (xx) | 1973-04-11 |
Family
ID=13695624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7213639A NL7213639A (xx) | 1971-10-09 | 1972-10-09 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5340081B2 (xx) |
| DE (1) | DE2249416C3 (xx) |
| GB (1) | GB1403407A (xx) |
| NL (1) | NL7213639A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4149036A (en) * | 1976-05-19 | 1979-04-10 | Nippon Columbia Kabushikikaisha | Crosstalk compensating circuit |
-
1971
- 1971-10-09 JP JP7963871A patent/JPS5340081B2/ja not_active Expired
-
1972
- 1972-10-09 GB GB4644672A patent/GB1403407A/en not_active Expired
- 1972-10-09 DE DE19722249416 patent/DE2249416C3/de not_active Expired
- 1972-10-09 NL NL7213639A patent/NL7213639A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2249416B2 (de) | 1979-07-19 |
| JPS5340081B2 (xx) | 1978-10-25 |
| JPS4845202A (xx) | 1973-06-28 |
| DE2249416C3 (de) | 1980-03-20 |
| GB1403407A (en) | 1975-08-28 |
| DE2249416A1 (de) | 1973-04-19 |