PT66413B - A compatible am stereo broadcast system - Google Patents
A compatible am stereo broadcast systemInfo
- Publication number
- PT66413B PT66413B PT66413A PT6641377A PT66413B PT 66413 B PT66413 B PT 66413B PT 66413 A PT66413 A PT 66413A PT 6641377 A PT6641377 A PT 6641377A PT 66413 B PT66413 B PT 66413B
- Authority
- PT
- Portugal
- Prior art keywords
- compatible
- broadcast system
- stereo broadcast
- stereo
- broadcast
- Prior art date
Links
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 (2)
Publication Number | Publication Date |
---|---|
PT66413A PT66413A (en) | 1977-05-01 |
PT66413B true PT66413B (en) | 1978-09-15 |
Family
ID=24707610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT66413A PT66413B (en) | 1976-04-07 | 1977-04-07 | A compatible am stereo broadcast system |
Country Status (18)
Country | Link |
---|---|
JP (3) | JPS6034299B2 (ko) |
AR (1) | AR215622A1 (ko) |
BR (1) | BR7702238A (ko) |
CA (1) | CA1095992A (ko) |
DE (1) | DE2715741C2 (ko) |
ES (1) | ES457535A1 (ko) |
FR (1) | FR2353182A1 (ko) |
GB (1) | GB1565405A (ko) |
HK (1) | HK1281A (ko) |
IL (1) | IL51777A (ko) |
IT (1) | IT1078165B (ko) |
MX (1) | MX144185A (ko) |
MY (1) | MY8100295A (ko) |
NL (1) | NL178831C (ko) |
NO (1) | NO156470C (ko) |
PT (1) | PT66413B (ko) |
SE (1) | SE426639B (ko) |
ZA (1) | ZA772160B (ko) |
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 |
US3218393A (en) * | 1960-02-11 | 1965-11-16 | Leonard R Kahn | Compatible stereophonic transmission and reception systems, and methods and components characterizing same |
FR1279867A (fr) * | 1960-02-11 | 1961-12-22 | Procédé et installation pour la transmission et la réception stéréophonique |
-
1977
- 1977-03-29 CA CA274,979A patent/CA1095992A/en not_active Expired
- 1977-03-29 GB GB13174/77A patent/GB1565405A/en not_active Expired
- 1977-03-29 IL IL51777A patent/IL51777A/xx unknown
- 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 IT IT48860/77A patent/IT1078165B/it active
- 1977-04-06 MX MX168677A patent/MX144185A/es unknown
- 1977-04-07 ZA ZA00772160A patent/ZA772160B/xx unknown
- 1977-04-07 PT PT66413A patent/PT66413B/pt unknown
- 1977-04-07 FR FR7710631A patent/FR2353182A1/fr active Granted
- 1977-04-07 JP JP52039085A patent/JPS6034299B2/ja not_active Expired
- 1977-04-07 DE DE2715741A patent/DE2715741C2/de not_active Expired
- 1977-04-07 NL NLAANVRAGE7703912,A patent/NL178831C/xx not_active IP Right Cessation
-
1981
- 1981-01-15 HK HK12/81A patent/HK1281A/xx 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 |
---|---|
JPS58184841A (ja) | 1983-10-28 |
ES457535A1 (es) | 1978-03-01 |
IT1078165B (it) | 1985-05-08 |
IL51777A0 (en) | 1977-05-31 |
HK1281A (en) | 1981-01-23 |
JPS6237580B2 (ko) | 1987-08-13 |
NO156470B (no) | 1987-06-15 |
DE2715741C2 (de) | 1986-09-11 |
MY8100295A (en) | 1981-12-31 |
JPS52141502A (en) | 1977-11-25 |
FR2353182B1 (ko) | 1984-10-05 |
SE426639B (sv) | 1983-01-31 |
ZA772160B (en) | 1978-03-29 |
IL51777A (en) | 1978-12-17 |
AR215622A1 (es) | 1979-10-31 |
NL178831C (nl) | 1986-05-16 |
JPS6256705B2 (ko) | 1987-11-26 |
NL7703912A (nl) | 1977-10-11 |
FR2353182A1 (fr) | 1977-12-23 |
GB1565405A (en) | 1980-04-23 |
BR7702238A (pt) | 1978-01-17 |
SE7703666L (sv) | 1977-10-08 |
NL178831B (nl) | 1985-12-16 |
MX144185A (es) | 1981-09-09 |
PT66413A (en) | 1977-05-01 |
NO156470C (no) | 1987-09-23 |
CA1095992A (en) | 1981-02-17 |
JPS6034299B2 (ja) | 1985-08-08 |
DE2715741A1 (de) | 1977-10-13 |
NO771139L (no) | 1977-10-10 |
JPS58184842A (ja) | 1983-10-28 |
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