CA984007A - Four channel stereophonic system - Google Patents
Four channel stereophonic systemInfo
- Publication number
- CA984007A CA984007A CA150,511A CA150511A CA984007A CA 984007 A CA984007 A CA 984007A CA 150511 A CA150511 A CA 150511A CA 984007 A CA984007 A CA 984007A
- Authority
- CA
- Canada
- Prior art keywords
- channel stereophonic
- stereophonic system
- channel
- stereophonic
- Prior art date
- 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
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
- H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Stereo-Broadcasting Methods (AREA)
- Stereophonic System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA241,108A CA1033418A (en) | 1972-08-30 | 1975-12-03 | Four channel stereophonic system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18231871A | 1971-09-21 | 1971-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA984007A true CA984007A (en) | 1976-02-17 |
Family
ID=22667935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA150,511A Expired CA984007A (en) | 1971-09-21 | 1972-08-30 | Four channel stereophonic system |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5416681B2 (en) |
KR (1) | KR780000452B1 (en) |
CA (1) | CA984007A (en) |
DE (1) | DE2246041A1 (en) |
FR (1) | FR2153359B1 (en) |
GB (1) | GB1391289A (en) |
NL (1) | NL7212767A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3798377A (en) * | 1972-04-07 | 1974-03-19 | Matsushita Electric Corp | Four channel fm decoder utilizing a one-of-four decoder |
JPS4989502A (en) * | 1972-12-01 | 1974-08-27 | ||
DE2415218A1 (en) * | 1974-03-29 | 1975-10-02 | Licentia Gmbh | SEMICONDUCTOR DIODE |
EP0120901A4 (en) * | 1982-10-04 | 1985-04-11 | Stuart David Saunders | Signal reproduction apparatus. |
-
1972
- 1972-08-30 CA CA150,511A patent/CA984007A/en not_active Expired
- 1972-09-15 GB GB4284372A patent/GB1391289A/en not_active Expired
- 1972-09-20 DE DE2246041A patent/DE2246041A1/en not_active Ceased
- 1972-09-21 FR FR7233411A patent/FR2153359B1/fr not_active Expired
- 1972-09-21 KR KR7201435A patent/KR780000452B1/en active
- 1972-09-21 NL NL7212767A patent/NL7212767A/xx not_active Application Discontinuation
- 1972-09-21 JP JP9503472A patent/JPS5416681B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4841702A (en) | 1973-06-18 |
JPS5416681B2 (en) | 1979-06-25 |
GB1391289A (en) | 1975-04-23 |
FR2153359A1 (en) | 1973-05-04 |
KR780000452B1 (en) | 1978-10-23 |
FR2153359B1 (en) | 1981-05-08 |
DE2246041A1 (en) | 1973-03-29 |
NL7212767A (en) | 1973-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA954931A (en) | Electromagnet-controlling system | |
CA971513A (en) | Sway-arrest system | |
AU456517B2 (en) | Four-channel stereo receiver | |
CA997490A (en) | Transmission system for stereophonic signals | |
CA944554A (en) | Audio-visual system | |
CA965355A (en) | Four-channel stereophonic device | |
CA1030225A (en) | 4-channel stereophonic demodulating system | |
CA984007A (en) | Four channel stereophonic system | |
CA1021852A (en) | Compatible four channel fm system | |
CA957285A (en) | Loudspeaker system | |
CA970062A (en) | Skid-control system | |
CA951442A (en) | Multiplexing system | |
CA974598A (en) | Multiple channel fm stereo system | |
CA1033418A (en) | Four channel stereophonic system | |
CA860527A (en) | Terrain-following system | |
AU415657B2 (en) | System for selecting channel | |
CA1015040A (en) | Compatible four channel fm system | |
AU457441B2 (en) | Stereophonic reproducing system | |
CA875224A (en) | Reproduction system | |
CA875222A (en) | Reproduction system | |
AU1379770A (en) | System for selecting channel | |
CA887235A (en) | Loudspeaker system | |
CA959765A (en) | Loudspeaker system | |
CA872937A (en) | Single channel carrier system | |
CA885662A (en) | Multiple channel display system |