JPS50132904A - - Google Patents
Info
- Publication number
- JPS50132904A JPS50132904A JP305875A JP305875A JPS50132904A JP S50132904 A JPS50132904 A JP S50132904A JP 305875 A JP305875 A JP 305875A JP 305875 A JP305875 A JP 305875A JP S50132904 A JPS50132904 A JP S50132904A
- 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.)
- Granted
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 |
|---|---|---|---|
| US4422470A | 1970-06-08 | 1970-06-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50132904A true JPS50132904A (en) | 1975-10-21 |
| JPS5135841B2 JPS5135841B2 (en) | 1976-10-05 |
Family
ID=21931168
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3941471A Pending JPS5017844B1 (en) | 1970-06-08 | 1971-06-07 | |
| JP305875A Expired JPS5135841B2 (en) | 1970-06-08 | 1974-12-28 | |
| JP753056A Expired JPS5111481B2 (en) | 1970-06-08 | 1974-12-28 | |
| JP50003057A Pending JPS50132903A (en) | 1970-06-08 | 1974-12-28 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3941471A Pending JPS5017844B1 (en) | 1970-06-08 | 1971-06-07 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP753056A Expired JPS5111481B2 (en) | 1970-06-08 | 1974-12-28 | |
| JP50003057A Pending JPS50132903A (en) | 1970-06-08 | 1974-12-28 |
Country Status (6)
| Country | Link |
|---|---|
| JP (4) | JPS5017844B1 (en) |
| BE (1) | BE768242A (en) |
| CA (1) | CA989743A (en) |
| FR (1) | FR2094123B1 (en) |
| GB (1) | GB1347993A (en) |
| NL (1) | NL161645C (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI3A (en) * | 1843-11-08 | Press members |
-
1971
- 1971-04-28 CA CA111,590A patent/CA989743A/en not_active Expired
- 1971-05-12 NL NL7106548A patent/NL161645C/en not_active IP Right Cessation
- 1971-06-07 JP JP3941471A patent/JPS5017844B1/ja active Pending
- 1971-06-08 GB GB1948771A patent/GB1347993A/en not_active Expired
- 1971-06-08 BE BE768242A patent/BE768242A/en unknown
- 1971-06-08 FR FR7120765A patent/FR2094123B1/fr not_active Expired
-
1974
- 1974-12-28 JP JP305875A patent/JPS5135841B2/ja not_active Expired
- 1974-12-28 JP JP753056A patent/JPS5111481B2/ja not_active Expired
- 1974-12-28 JP JP50003057A patent/JPS50132903A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2126432B2 (en) | 1976-02-19 |
| NL161645B (en) | 1979-09-17 |
| GB1347993A (en) | 1974-02-27 |
| BE768242A (en) | 1971-12-08 |
| JPS5017844B1 (en) | 1975-06-24 |
| JPS50132902A (en) | 1975-10-21 |
| NL7106548A (en) | 1971-12-10 |
| JPS5111481B2 (en) | 1976-04-12 |
| NL161645C (en) | 1980-02-15 |
| FR2094123B1 (en) | 1976-05-28 |
| FR2094123A1 (en) | 1972-02-04 |
| DE2126432A1 (en) | 1972-03-02 |
| JPS50132903A (en) | 1975-10-21 |
| CA989743A (en) | 1976-05-25 |
| JPS5135841B2 (en) | 1976-10-05 |