NL7206966A - - Google Patents
Info
- Publication number
- NL7206966A NL7206966A NL7206966A NL7206966A NL7206966A NL 7206966 A NL7206966 A NL 7206966A NL 7206966 A NL7206966 A NL 7206966A NL 7206966 A NL7206966 A NL 7206966A NL 7206966 A NL7206966 A NL 7206966A
- Authority
- NL
- Netherlands
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46035419A JPS515763B1 (https=) | 1971-05-24 | 1971-05-24 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7206966A true NL7206966A (https=) | 1972-11-28 |
| NL173465B NL173465B (nl) | 1983-08-16 |
| NL173465C NL173465C (nl) | 1984-01-16 |
Family
ID=12441339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7206966,A NL173465C (nl) | 1971-05-24 | 1972-05-24 | Registratie- en weergeefinrichting voor signalen in vier kanalen. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3839602A (https=) |
| JP (1) | JPS515763B1 (https=) |
| DE (1) | DE2225217C3 (https=) |
| GB (1) | GB1379774A (https=) |
| NL (1) | NL173465C (https=) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5521519B2 (https=) * | 1973-05-10 | 1980-06-10 | ||
| US4045621A (en) * | 1972-12-07 | 1977-08-30 | Victor Company Of Japan, Ltd. | Recording system for a multichannel record disc |
| JPS537249B2 (https=) * | 1973-04-25 | 1978-03-16 | ||
| JPS5342383B2 (https=) * | 1973-04-27 | 1978-11-10 | ||
| US3991283A (en) * | 1973-05-21 | 1976-11-09 | Victor Company Of Japan, Limited | Multichannel record disc reproducing system |
| NL7309536A (nl) * | 1973-07-09 | 1975-01-13 | Philips Nv | Kodeer- en dekodeersysteem voor quadrofonisch geluid. |
| DE2528072C3 (de) * | 1974-06-25 | 1982-03-18 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka | Schaltungsanordnung zur Aufzeichnung von Vierkanalsignalen auf einer Vierkanalschallplatte |
| US4075425A (en) * | 1974-09-24 | 1978-02-21 | Nippon Columbia Kabushikikaisha | Multi-directional sound signal reproducing system |
| GB1579138A (en) | 1976-07-06 | 1980-11-12 | Sony Corp | Noise and cross-talk elimination in recording and reproducing video signals |
| JPS5553106U (https=) * | 1978-10-06 | 1980-04-09 | ||
| US4272786A (en) | 1978-10-16 | 1981-06-09 | Rca Corporation | Video disc playback apparatus with non-linear aperture correction |
| US4312013A (en) | 1979-09-19 | 1982-01-19 | Rca Corporation | Non-linear aperture correction circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3067292A (en) * | 1958-02-03 | 1962-12-04 | Jerry B Minter | Stereophonic sound transmission and reproduction |
| US3401237A (en) * | 1962-08-27 | 1968-09-10 | Victor Company Of Japan | Simultaneous recording of two signals per channel |
-
1971
- 1971-05-24 JP JP46035419A patent/JPS515763B1/ja active Pending
-
1972
- 1972-05-23 US US00256114A patent/US3839602A/en not_active Expired - Lifetime
- 1972-05-24 NL NLAANVRAGE7206966,A patent/NL173465C/xx not_active IP Right Cessation
- 1972-05-24 GB GB2440472A patent/GB1379774A/en not_active Expired
- 1972-05-24 DE DE2225217A patent/DE2225217C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1379774A (en) | 1975-01-08 |
| DE2225217B2 (de) | 1977-12-08 |
| NL173465B (nl) | 1983-08-16 |
| US3839602A (en) | 1974-10-01 |
| DE2225217A1 (de) | 1973-01-18 |
| NL173465C (nl) | 1984-01-16 |
| DE2225217C3 (de) | 1978-08-31 |
| JPS515763B1 (https=) | 1976-02-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee |