JPS5147321B1 - - Google Patents
Info
- Publication number
- JPS5147321B1 JPS5147321B1 JP46044622A JP4462271A JPS5147321B1 JP S5147321 B1 JPS5147321 B1 JP S5147321B1 JP 46044622 A JP46044622 A JP 46044622A JP 4462271 A JP4462271 A JP 4462271A JP S5147321 B1 JPS5147321 B1 JP S5147321B1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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)
- Stereo-Broadcasting Methods (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46044622A JPS5147321B1 (de) | 1971-06-21 | 1971-06-21 | |
| GB2811172A GB1384610A (en) | 1971-06-21 | 1972-06-15 | Apparatus for reproducing quadraphonic sound |
| CA145,057A CA976485A (en) | 1971-06-21 | 1972-06-19 | Apparatus for reproducing quadruphonic sound |
| US00264030A US3821474A (en) | 1971-06-21 | 1972-06-19 | Apparatus for reproducing quadraphonic sound |
| NL7208328A NL7208328A (de) | 1971-06-21 | 1972-06-19 | |
| DE2230162A DE2230162A1 (de) | 1971-06-21 | 1972-06-21 | Vorrichtung zur vierton-wiedergabe |
| FR7222416A FR2143223B1 (de) | 1971-06-21 | 1972-06-21 | |
| IT26003/72A IT956758B (it) | 1971-06-21 | 1972-06-21 | Apparecchiatura per la riprodu zione di suono quadrifonic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46044622A JPS5147321B1 (de) | 1971-06-21 | 1971-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5147321B1 true JPS5147321B1 (de) | 1976-12-14 |
Family
ID=12696520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46044622A Pending JPS5147321B1 (de) | 1971-06-21 | 1971-06-21 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3821474A (de) |
| JP (1) | JPS5147321B1 (de) |
| CA (1) | CA976485A (de) |
| DE (1) | DE2230162A1 (de) |
| FR (1) | FR2143223B1 (de) |
| GB (1) | GB1384610A (de) |
| IT (1) | IT956758B (de) |
| NL (1) | NL7208328A (de) |
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 (de) | 2012-05-31 | 2015-04-08 | Dolby Laboratories Licensing Corporation | Phasenverschiebungsnetzwerk mit niedriger latenz und geringer komplexität |
-
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 US US00264030A patent/US3821474A/en not_active Expired - Lifetime
- 1972-06-19 CA CA145,057A patent/CA976485A/en not_active Expired
- 1972-06-19 NL NL7208328A patent/NL7208328A/xx not_active Application Discontinuation
- 1972-06-21 IT IT26003/72A patent/IT956758B/it active
- 1972-06-21 DE DE2230162A patent/DE2230162A1/de active Pending
- 1972-06-21 FR FR7222416A patent/FR2143223B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7208328A (de) | 1972-12-27 |
| IT956758B (it) | 1973-10-10 |
| CA976485A (en) | 1975-10-21 |
| FR2143223B1 (de) | 1977-12-23 |
| DE2230162A1 (de) | 1973-04-26 |
| GB1384610A (en) | 1975-02-19 |
| US3821474A (en) | 1974-06-28 |
| FR2143223A1 (de) | 1973-02-02 |