JPS5110963B1 - - Google Patents
Info
- Publication number
- JPS5110963B1 JPS5110963B1 JP47063100A JP6310072A JPS5110963B1 JP S5110963 B1 JPS5110963 B1 JP S5110963B1 JP 47063100 A JP47063100 A JP 47063100A JP 6310072 A JP6310072 A JP 6310072A JP S5110963 B1 JPS5110963 B1 JP S5110963B1
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15597671A | 1971-06-23 | 1971-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5110963B1 true JPS5110963B1 (en) | 1976-04-08 |
Family
ID=22557545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47063100A Pending JPS5110963B1 (en) | 1971-06-23 | 1972-06-23 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3798373A (en) |
| JP (1) | JPS5110963B1 (en) |
| AU (1) | AU464001B2 (en) |
| BE (1) | BE785279A (en) |
| CA (1) | CA973806A (en) |
| DE (1) | DE2230842C3 (en) |
| FR (1) | FR2143325B1 (en) |
| GB (1) | GB1396352A (en) |
| IT (1) | IT958512B (en) |
| NL (1) | NL7208607A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5453831U (en) * | 1977-09-22 | 1979-04-13 | ||
| JPS54137248U (en) * | 1978-03-17 | 1979-09-22 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1398786A (en) * | 1971-08-06 | 1975-06-25 | Sony Corp | Multisignal transmission apparatus |
| DE2252132C3 (en) | 1972-10-24 | 1982-08-26 | Sansui Electric Co., Ltd., Tokyo | Decoder for a 4-2-4 matrix system |
| JPS5527517B2 (en) * | 1972-12-01 | 1980-07-21 | ||
| JPS5320343B2 (en) * | 1973-03-29 | 1978-06-26 | ||
| GB1514162A (en) * | 1974-03-25 | 1978-06-14 | Ruggles W | Directional enhancement system for quadraphonic decoders |
| US3937885A (en) * | 1974-09-06 | 1976-02-10 | Motorola, Inc. | Control circuit for a matrixed four channel audio reproducing system |
| US4799260A (en) * | 1985-03-07 | 1989-01-17 | Dolby Laboratories Licensing Corporation | Variable matrix decoder |
| US5046098A (en) * | 1985-03-07 | 1991-09-03 | Dolby Laboratories Licensing Corporation | Variable matrix decoder with three output channels |
| US4862502A (en) * | 1988-01-06 | 1989-08-29 | Lexicon, Inc. | Sound reproduction |
| US5136650A (en) * | 1991-01-09 | 1992-08-04 | Lexicon, Inc. | Sound reproduction |
| US5796844A (en) * | 1996-07-19 | 1998-08-18 | Lexicon | Multichannel active matrix sound reproduction with maximum lateral separation |
| US5870480A (en) * | 1996-07-19 | 1999-02-09 | Lexicon | Multichannel active matrix encoder and decoder with maximum lateral separation |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3632886A (en) * | 1969-12-29 | 1972-01-04 | Peter Scheiber | Quadrasonic sound system |
| US3646574A (en) * | 1970-05-25 | 1972-02-29 | Howard S Holzer | Compatible stereo generator |
| US3684835A (en) * | 1970-07-29 | 1972-08-15 | Parasound Inc | Four channel stereo synthesizer |
-
1971
- 1971-06-23 US US00155976A patent/US3798373A/en not_active Expired - Lifetime
-
1972
- 1972-06-13 CA CA144,532A patent/CA973806A/en not_active Expired
- 1972-06-22 AU AU43775/72A patent/AU464001B2/en not_active Expired
- 1972-06-22 NL NL7208607A patent/NL7208607A/xx not_active Application Discontinuation
- 1972-06-22 FR FR7222631A patent/FR2143325B1/fr not_active Expired
- 1972-06-22 BE BE785279A patent/BE785279A/en unknown
- 1972-06-23 GB GB2958472A patent/GB1396352A/en not_active Expired
- 1972-06-23 DE DE2230842A patent/DE2230842C3/en not_active Expired
- 1972-06-23 JP JP47063100A patent/JPS5110963B1/ja active Pending
- 1972-06-23 IT IT51115/72A patent/IT958512B/en active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5453831U (en) * | 1977-09-22 | 1979-04-13 | ||
| JPS54137248U (en) * | 1978-03-17 | 1979-09-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7208607A (en) | 1972-12-28 |
| AU464001B2 (en) | 1975-08-14 |
| CA973806A (en) | 1975-09-02 |
| FR2143325A1 (en) | 1973-02-02 |
| DE2230842A1 (en) | 1972-12-28 |
| US3798373A (en) | 1974-03-19 |
| DE2230842B2 (en) | 1980-02-21 |
| FR2143325B1 (en) | 1979-04-06 |
| BE785279A (en) | 1972-10-16 |
| AU4377572A (en) | 1974-01-03 |
| GB1396352A (en) | 1975-06-04 |
| IT958512B (en) | 1973-10-30 |
| DE2230842C3 (en) | 1980-10-16 |