GB1565405A - Compatible am stereo broadcast system including transmitter and receiver - Google Patents
Compatible am stereo broadcast system including transmitter and receiver Download PDFInfo
- Publication number
- GB1565405A GB1565405A GB13174/77A GB1317477A GB1565405A GB 1565405 A GB1565405 A GB 1565405A GB 13174/77 A GB13174/77 A GB 13174/77A GB 1317477 A GB1317477 A GB 1317477A GB 1565405 A GB1565405 A GB 1565405A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- carrier wave
- amplitude
- phase
- combining
- 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
- 238000000034 method Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 22
- 238000001228 spectrum Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- GGWBHVILAJZWKJ-UHFFFAOYSA-N dimethyl-[[5-[2-[[1-(methylamino)-2-nitroethenyl]amino]ethylsulfanylmethyl]furan-2-yl]methyl]azanium;chloride Chemical compound Cl.[O-][N+](=O)C=C(NC)NCCSCC1=CC=C(CN(C)C)O1 GGWBHVILAJZWKJ-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
- H04H20/46—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95
- H04H20/47—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems
- H04H20/49—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems for AM stereophonic broadcast systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Stereo-Broadcasting Methods (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67470376A | 1976-04-07 | 1976-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1565405A true GB1565405A (en) | 1980-04-23 |
Family
ID=24707610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13174/77A Expired GB1565405A (en) | 1976-04-07 | 1977-03-29 | Compatible am stereo broadcast system including transmitter and receiver |
Country Status (18)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL180062C (nl) * | 1977-09-27 | Motorola Inc | Radio-ontvanger. | |
| US4170716A (en) * | 1977-10-14 | 1979-10-09 | Motorola, Inc. | AM stereo receiver with correction limiting |
| JPS5829903B2 (ja) * | 1977-11-09 | 1983-06-25 | 山水電気株式会社 | 振幅変調ステレオ受信装置 |
| US4172966A (en) * | 1978-02-23 | 1979-10-30 | Motorola, Inc. | AM stereophonic receiver |
| US4589127A (en) * | 1978-06-05 | 1986-05-13 | Hazeltine Corporation | Independent sideband AM multiphonic system |
| US4220818A (en) * | 1979-05-21 | 1980-09-02 | Kahn Leonard R | AM Stereo transmitter |
| JPS6029251Y2 (ja) * | 1979-11-29 | 1985-09-04 | ソニー株式会社 | Ａｍステレオ受信機 |
| US4371747A (en) * | 1980-03-24 | 1983-02-01 | Motorola, Inc. | AM Stereophonic decoder |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1271952A (fr) * | 1958-11-14 | 1961-09-22 | Procédé et dispositif de télétransmission par ondes porteuses | |
| US3007005A (en) * | 1959-02-12 | 1961-10-31 | Philco Corp | Transmitter for stereophonic information signals |
| FR1250343A (fr) * | 1959-04-08 | 1961-01-06 | Philco Corp | Circuit de réglage silencieux pour récepteurs de signaux stéréophoniques |
| US3068475A (en) * | 1959-10-07 | 1962-12-11 | Rca Corp | Stereophonic sound signalling system |
| US3067293A (en) * | 1959-11-19 | 1962-12-04 | Philco Corp | Single channel stereophonic broad-casting system |
| FR1279867A (fr) * | 1960-02-11 | 1961-12-22 | Procédé et installation pour la transmission et la réception stéréophonique | |
| US3218393A (en) * | 1960-02-11 | 1965-11-16 | Leonard R Kahn | Compatible stereophonic transmission and reception systems, and methods and components characterizing same |
-
1977
- 1977-03-29 CA CA274,979A patent/CA1095992A/en not_active Expired
- 1977-03-29 IL IL51777A patent/IL51777A/xx unknown
- 1977-03-29 GB GB13174/77A patent/GB1565405A/en not_active Expired
- 1977-03-30 SE SE7703666A patent/SE426639B/xx not_active IP Right Cessation
- 1977-03-31 NO NO771139A patent/NO156470C/no unknown
- 1977-04-05 AR AR267125A patent/AR215622A1/es active
- 1977-04-05 ES ES457535A patent/ES457535A1/es not_active Expired
- 1977-04-06 BR BR7702238A patent/BR7702238A/pt unknown
- 1977-04-06 MX MX168677A patent/MX144185A/es unknown
- 1977-04-06 IT IT48860/77A patent/IT1078165B/it active
- 1977-04-07 NL NLAANVRAGE7703912,A patent/NL178831C/xx not_active IP Right Cessation
- 1977-04-07 DE DE2715741A patent/DE2715741C2/de not_active Expired
- 1977-04-07 ZA ZA00772160A patent/ZA772160B/xx unknown
- 1977-04-07 FR FR7710631A patent/FR2353182A1/fr active Granted
- 1977-04-07 PT PT66413A patent/PT66413B/pt unknown
- 1977-04-07 JP JP52039085A patent/JPS6034299B2/ja not_active Expired
-
1981
- 1981-01-15 HK HK12/81A patent/HK1281A/en unknown
- 1981-12-30 MY MY295/81A patent/MY8100295A/xx unknown
-
1983
- 1983-03-07 JP JP58036072A patent/JPS58184842A/ja active Granted
- 1983-03-07 JP JP58036071A patent/JPS58184841A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL178831B (nl) | 1985-12-16 |
| IL51777A (en) | 1978-12-17 |
| PT66413B (en) | 1978-09-15 |
| SE7703666L (sv) | 1977-10-08 |
| ZA772160B (en) | 1978-03-29 |
| JPS58184841A (ja) | 1983-10-28 |
| JPS6034299B2 (ja) | 1985-08-08 |
| JPS6256705B2 (enrdf_load_stackoverflow) | 1987-11-26 |
| JPS6237580B2 (enrdf_load_stackoverflow) | 1987-08-13 |
| NL178831C (nl) | 1986-05-16 |
| ES457535A1 (es) | 1978-03-01 |
| NO156470B (no) | 1987-06-15 |
| IL51777A0 (en) | 1977-05-31 |
| IT1078165B (it) | 1985-05-08 |
| DE2715741C2 (de) | 1986-09-11 |
| FR2353182A1 (fr) | 1977-12-23 |
| FR2353182B1 (enrdf_load_stackoverflow) | 1984-10-05 |
| BR7702238A (pt) | 1978-01-17 |
| DE2715741A1 (de) | 1977-10-13 |
| MX144185A (es) | 1981-09-09 |
| CA1095992A (en) | 1981-02-17 |
| MY8100295A (en) | 1981-12-31 |
| JPS52141502A (en) | 1977-11-25 |
| PT66413A (en) | 1977-05-01 |
| SE426639B (sv) | 1983-01-31 |
| NL7703912A (nl) | 1977-10-11 |
| HK1281A (en) | 1981-01-23 |
| NO771139L (no) | 1977-10-10 |
| AR215622A1 (es) | 1979-10-31 |
| NO156470C (no) | 1987-09-23 |
| JPS58184842A (ja) | 1983-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19970328 |