CS177118B2 - - Google Patents
Info
- Publication number
- CS177118B2 CS177118B2 CS114873A CS114873A CS177118B2 CS 177118 B2 CS177118 B2 CS 177118B2 CS 114873 A CS114873 A CS 114873A CS 114873 A CS114873 A CS 114873A CS 177118 B2 CS177118 B2 CS 177118B2
- Authority
- CS
- Czechoslovakia
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Stereo-Broadcasting Methods (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUEE002080 HU165189B (en) | 1972-12-28 | 1972-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS177118B2 true CS177118B2 (en) | 1977-07-29 |
Family
ID=10995470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS114873A CS177118B2 (en) | 1972-12-28 | 1973-02-16 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4998601A (en) |
| AT (1) | AT335515B (en) |
| CS (1) | CS177118B2 (en) |
| DE (1) | DE2307418A1 (en) |
| FR (1) | FR2212717A1 (en) |
| GB (1) | GB1414260A (en) |
| HU (1) | HU165189B (en) |
| IT (1) | IT1009023B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2310672A1 (en) * | 1975-05-07 | 1976-12-03 | Emv Elektromechanikai Vallalat | Quadrphonic sound equipment using dual composite signals - has four loudspeakers receiving dual compositie signals to produce phantom sound sources |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA969240A (en) * | 1971-04-15 | 1975-06-10 | Sukeichi Miki | Four channel fm transmitter, receiver and transmission system |
| US3830978A (en) * | 1971-07-08 | 1974-08-20 | Matsushita Electric Ind Co Ltd | Circuit for mixing four audio input signals to produce four audio output signals |
-
1972
- 1972-12-28 HU HUEE002080 patent/HU165189B/hu unknown
-
1973
- 1973-02-15 DE DE19732307418 patent/DE2307418A1/en active Pending
- 1973-02-16 AT AT138273A patent/AT335515B/en not_active IP Right Cessation
- 1973-02-16 CS CS114873A patent/CS177118B2/cs unknown
- 1973-02-16 GB GB784873A patent/GB1414260A/en not_active Expired
- 1973-03-09 JP JP48027920A patent/JPS4998601A/ja active Pending
- 1973-03-20 IT IT6778673A patent/IT1009023B/en active
- 1973-05-22 FR FR7318628A patent/FR2212717A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| ATA138273A (en) | 1976-07-15 |
| FR2212717A1 (en) | 1974-07-26 |
| AT335515B (en) | 1977-03-10 |
| HU165189B (en) | 1974-07-27 |
| DE2307418A1 (en) | 1974-07-11 |
| JPS4998601A (en) | 1974-09-18 |
| IT1009023B (en) | 1976-12-10 |
| GB1414260A (en) | 1975-11-19 |