NL7208328A - - Google Patents
Info
- Publication number
- NL7208328A NL7208328A NL7208328A NL7208328A NL7208328A NL 7208328 A NL7208328 A NL 7208328A NL 7208328 A NL7208328 A NL 7208328A NL 7208328 A NL7208328 A NL 7208328A NL 7208328 A NL7208328 A NL 7208328A
- 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)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46044622A JPS5147321B1 (enrdf_load_stackoverflow) | 1971-06-21 | 1971-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7208328A true NL7208328A (enrdf_load_stackoverflow) | 1972-12-27 |
Family
ID=12696520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7208328A NL7208328A (enrdf_load_stackoverflow) | 1971-06-21 | 1972-06-19 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3821474A (enrdf_load_stackoverflow) |
| JP (1) | JPS5147321B1 (enrdf_load_stackoverflow) |
| CA (1) | CA976485A (enrdf_load_stackoverflow) |
| DE (1) | DE2230162A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2143223B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1384610A (enrdf_load_stackoverflow) |
| IT (1) | IT956758B (enrdf_load_stackoverflow) |
| NL (1) | NL7208328A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3967063A (en) * | 1971-06-23 | 1976-06-29 | Cbs Inc. | Logic for matrix systems for reproducing quadraphonic sound |
| DE2445123C3 (de) * | 1973-09-26 | 1980-03-06 | Hitachi, Ltd. | Analogsignal-Verarbeitungsschaltung |
| DK152478C (da) * | 1985-12-06 | 1988-07-25 | Ole Sparkjaer | Fremgangsmaade og kredsloeb til dekodning af fire kanalsignaler, som er matrixkodet og foreligger i form af et to-kanal signal |
| EP2856645A2 (en) | 2012-05-31 | 2015-04-08 | Dolby Laboratories Licensing Corporation | Low latency and low complexity phase shift network |
-
1971
- 1971-06-21 JP JP46044622A patent/JPS5147321B1/ja active Pending
-
1972
- 1972-06-15 GB GB2811172A patent/GB1384610A/en not_active Expired
- 1972-06-19 CA CA145,057A patent/CA976485A/en not_active Expired
- 1972-06-19 US US00264030A patent/US3821474A/en not_active Expired - Lifetime
- 1972-06-19 NL NL7208328A patent/NL7208328A/xx not_active Application Discontinuation
- 1972-06-21 FR FR7222416A patent/FR2143223B1/fr not_active Expired
- 1972-06-21 DE DE2230162A patent/DE2230162A1/de active Pending
- 1972-06-21 IT IT26003/72A patent/IT956758B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1384610A (en) | 1975-02-19 |
| US3821474A (en) | 1974-06-28 |
| IT956758B (it) | 1973-10-10 |
| FR2143223B1 (enrdf_load_stackoverflow) | 1977-12-23 |
| CA976485A (en) | 1975-10-21 |
| FR2143223A1 (enrdf_load_stackoverflow) | 1973-02-02 |
| DE2230162A1 (de) | 1973-04-26 |
| JPS5147321B1 (enrdf_load_stackoverflow) | 1976-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BV | The patent application has lapsed |