IL38277A - Matrixes and decoders for quadruphonic recordings - Google Patents
Matrixes and decoders for quadruphonic recordingsInfo
- Publication number
- IL38277A IL38277A IL38277A IL3827771A IL38277A IL 38277 A IL38277 A IL 38277A IL 38277 A IL38277 A IL 38277A IL 3827771 A IL3827771 A IL 3827771A IL 38277 A IL38277 A IL 38277A
- Authority
- IL
- Israel
- Prior art keywords
- quadruphonic
- matrixes
- recordings
- decoders
- quadruphonic recordings
- Prior art date
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11216871A | 1971-02-03 | 1971-02-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL38277A0 IL38277A0 (en) | 1972-02-29 |
| IL38277A true IL38277A (en) | 1974-05-16 |
Family
ID=22342450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL38277A IL38277A (en) | 1971-02-03 | 1971-12-01 | Matrixes and decoders for quadruphonic recordings |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3745252A (en) |
| JP (2) | JPS5110961B1 (en) |
| BE (1) | BE778296A (en) |
| CA (1) | CA974887A (en) |
| DE (1) | DE2204098C3 (en) |
| FR (1) | FR2124264A1 (en) |
| GB (2) | GB1385651A (en) |
| IL (1) | IL38277A (en) |
| IT (1) | IT948353B (en) |
| NL (1) | NL7200834A (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3911222A (en) * | 1970-12-09 | 1975-10-07 | Kenwood Corp | Method and a device for producing a 4-channel stereophonic sound field |
| US3787622A (en) * | 1971-02-05 | 1974-01-22 | Sansui Electric Co | Quadrasonic sound system for two channel transmission |
| USRE29171E (en) * | 1971-07-02 | 1977-04-05 | Sansui Electric Co., Ltd. | Multi-directional sound system |
| US3906156A (en) | 1971-10-06 | 1975-09-16 | Duane H Cooper | Signal matrixing for directional reproduction of sound |
| JPS4889702A (en) * | 1972-02-25 | 1973-11-22 | ||
| JPS5210364B2 (en) * | 1972-05-02 | 1977-03-23 | ||
| CA997278A (en) * | 1972-05-30 | 1976-09-21 | Keiichiro Ogura | Discrete 4-channel stereo recording and/or reproducing system |
| JPS5332643B2 (en) * | 1972-06-06 | 1978-09-09 | ||
| JPS5246681B2 (en) * | 1972-12-29 | 1977-11-26 | ||
| JPS5248002B2 (en) * | 1973-09-18 | 1977-12-07 | ||
| EP1715538A1 (en) * | 2005-04-19 | 2006-10-25 | Nicholas M. Abson | Novel materials for alkaline fuel cells |
| EP1724861A1 (en) * | 2005-05-17 | 2006-11-22 | Nicholas M. Abson | Novel materials for alkaline electrolysers and alkaline fuel cells |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3632886A (en) * | 1969-12-29 | 1972-01-04 | Peter Scheiber | Quadrasonic sound system |
-
1971
- 1971-02-03 US US00112168A patent/US3745252A/en not_active Expired - Lifetime
- 1971-12-01 CA CA129,044A patent/CA974887A/en not_active Expired
- 1971-12-01 IL IL38277A patent/IL38277A/en unknown
-
1972
- 1972-01-20 BE BE778296A patent/BE778296A/en unknown
- 1972-01-20 NL NL7200834A patent/NL7200834A/xx unknown
- 1972-01-25 FR FR7202454A patent/FR2124264A1/fr not_active Withdrawn
- 1972-01-27 IT IT47989/72A patent/IT948353B/en active
- 1972-01-28 DE DE2204098A patent/DE2204098C3/en not_active Expired
- 1972-02-02 GB GB497472A patent/GB1385651A/en not_active Expired
- 1972-02-03 JP JP47011924A patent/JPS5110961B1/ja active Pending
- 1972-07-11 GB GB497472A patent/GB1379846A/en not_active Expired
-
1975
- 1975-05-01 JP JP50052132A patent/JPS5140442B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1379846A (en) | 1975-01-08 |
| JPS50152701A (en) | 1975-12-09 |
| JPS5140442B2 (en) | 1976-11-04 |
| CA974887A (en) | 1975-09-23 |
| IL38277A0 (en) | 1972-02-29 |
| DE2204098B2 (en) | 1978-02-09 |
| US3745252A (en) | 1973-07-10 |
| BE778296A (en) | 1972-07-20 |
| NL7200834A (en) | 1972-08-07 |
| FR2124264A1 (en) | 1972-09-22 |
| DE2204098A1 (en) | 1972-08-17 |
| IT948353B (en) | 1973-05-30 |
| GB1385651A (en) | 1975-02-26 |
| JPS5110961B1 (en) | 1976-04-08 |
| DE2204098C3 (en) | 1978-09-21 |
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