BE544453A - - Google Patents
Info
- Publication number
- BE544453A BE544453A BE544453DA BE544453A BE 544453 A BE544453 A BE 544453A BE 544453D A BE544453D A BE 544453DA BE 544453 A BE544453 A BE 544453A
- Authority
- BE
- Belgium
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Stereo-Broadcasting Methods (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1129910T | 1955-01-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE544453A true BE544453A (fr) |
Family
ID=9637194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE544453D BE544453A (fr) | 1955-01-17 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2874221A (fr) |
BE (1) | BE544453A (fr) |
FR (1) | FR1129910A (fr) |
GB (1) | GB778588A (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3103555A (en) * | 1963-09-10 | sweeney | ||
US3069506A (en) * | 1957-09-04 | 1962-12-18 | Ibm | Consonant response in narrow band transmission |
US3067292A (en) * | 1958-02-03 | 1962-12-04 | Jerry B Minter | Stereophonic sound transmission and reproduction |
US3013125A (en) * | 1958-05-16 | 1961-12-12 | Columbia Broadcasting Syst Inc | Stereophonic recording |
US3059053A (en) * | 1958-08-26 | 1962-10-16 | Emi Ltd | Stereophonic sound transmission systems |
US3068321A (en) * | 1958-12-26 | 1962-12-11 | Calbest Engineering & Electron | Multiplex transmission and reception system for stereophonic material |
US3061684A (en) * | 1959-02-09 | 1962-10-30 | Cons Electrodynamics Corp | Frequency band separation in translating apparatus |
US3089096A (en) * | 1959-04-09 | 1963-05-07 | Philco Corp | Stereophonic detector and matrixing circuit |
US3099715A (en) * | 1959-06-26 | 1963-07-30 | Loewe Opta Ag | Frequency modulation or amplitude modulation transmitting system |
US3117186A (en) * | 1960-02-17 | 1964-01-07 | Richard W Burden | Compatible stereophonic broadcast system |
US3732375A (en) * | 1969-01-24 | 1973-05-08 | Nippon Electric Co | Paired signal transmission system utilizing quadrature modulation |
CA938560A (en) * | 1969-11-28 | 1973-12-18 | Victor Company Of Japan | System for recording and/or reproducing four channel signals on a record disc |
US3883699A (en) * | 1969-11-28 | 1975-05-13 | Victor Company Of Japan | System for recording and/or reproducing four channel signals on a record disc |
USRE29360E (en) * | 1969-11-28 | 1977-08-16 | Victor Company Of Japan, Ltd. | System for recording and/or reproducing four channel signals on a record disc |
US3869583A (en) * | 1971-08-05 | 1975-03-04 | Columbia Broadcasting Syst Inc | Quadruphonic disc recording system utilizing single sideband modulation |
US3761628A (en) * | 1972-04-13 | 1973-09-25 | Columbia Broadcasting Syst Inc | Stereo-quadraphonic matrix system with matrix or discrete sound reproduction capability |
JPS5093602A (fr) * | 1973-12-20 | 1975-07-25 | ||
US3883700A (en) * | 1973-12-26 | 1975-05-13 | Cbs Inc | System for reproducing four channel signals recorded on a disc record |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1685357A (en) * | 1925-10-16 | 1928-09-25 | Western Electric Co | Transmission system |
US2536664A (en) * | 1945-09-10 | 1951-01-02 | Rca Corp | Stereophonic sound system for recordings |
US2779020A (en) * | 1950-01-24 | 1957-01-22 | Padevco Inc | Frequency modulated multiplex systems |
NL90521C (nl) * | 1951-04-28 | 1959-02-18 | Philips Nv | Overdrachtstelsel van stereofonische signalen alsmede bij dit overdragstelsel toe te passen zenders en ontvangers |
-
0
- BE BE544453D patent/BE544453A/xx unknown
-
1955
- 1955-01-17 FR FR1129910D patent/FR1129910A/fr not_active Expired
-
1956
- 1956-01-13 GB GB1242/56A patent/GB778588A/en not_active Expired
- 1956-01-13 US US559017A patent/US2874221A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR1129910A (fr) | 1957-01-29 |
GB778588A (en) | 1957-07-10 |
US2874221A (en) | 1959-02-17 |