FR2229182B1 - - Google Patents
Info
- Publication number
- FR2229182B1 FR2229182B1 FR7415991A FR7415991A FR2229182B1 FR 2229182 B1 FR2229182 B1 FR 2229182B1 FR 7415991 A FR7415991 A FR 7415991A FR 7415991 A FR7415991 A FR 7415991A FR 2229182 B1 FR2229182 B1 FR 2229182B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/006—Systems employing more than two channels, e.g. quadraphonic in which a plurality of audio signals are transformed in a combination of audio signals and modulated signals, e.g. CD-4 systems
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00992—Circuits for stereophonic or quadraphonic recording or reproducing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Stereophonic System (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5207573A JPS5521519B2 (en) | 1973-05-10 | 1973-05-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2229182A1 FR2229182A1 (en) | 1974-12-06 |
| FR2229182B1 true FR2229182B1 (en) | 1982-04-09 |
Family
ID=12904683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7415991A Expired FR2229182B1 (en) | 1973-05-10 | 1974-05-09 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5521519B2 (en) |
| CA (1) | CA1006827A (en) |
| DE (1) | DE2422424C2 (en) |
| FR (1) | FR2229182B1 (en) |
| GB (1) | GB1473532A (en) |
| NL (1) | NL7406330A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5757763B2 (en) * | 1974-11-29 | 1982-12-06 | Nippon Columbia | |
| JPH0814284B2 (en) * | 1989-02-02 | 1996-02-14 | 株式会社ウイング・ハイセラ | Ceramic bearing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS515763B1 (en) * | 1971-05-24 | 1976-02-23 | ||
| US3906156A (en) * | 1971-10-06 | 1975-09-16 | Duane H Cooper | Signal matrixing for directional reproduction of sound |
-
1973
- 1973-05-10 JP JP5207573A patent/JPS5521519B2/ja not_active Expired
-
1974
- 1974-05-07 CA CA199,195A patent/CA1006827A/en not_active Expired
- 1974-05-07 GB GB2005274A patent/GB1473532A/en not_active Expired
- 1974-05-09 FR FR7415991A patent/FR2229182B1/fr not_active Expired
- 1974-05-09 DE DE19742422424 patent/DE2422424C2/en not_active Expired
- 1974-05-10 NL NL7406330A patent/NL7406330A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2422424A1 (en) | 1974-11-28 |
| DE2422424C2 (en) | 1986-11-06 |
| JPS5019403A (en) | 1975-02-28 |
| GB1473532A (en) | 1977-05-11 |
| FR2229182A1 (en) | 1974-12-06 |
| CA1006827A (en) | 1977-03-15 |
| NL7406330A (en) | 1974-11-12 |
| JPS5521519B2 (en) | 1980-06-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |