BR8004777A - Sistema de radio - Google Patents
Sistema de radioInfo
- Publication number
- BR8004777A BR8004777A BR8004777A BR8004777A BR8004777A BR 8004777 A BR8004777 A BR 8004777A BR 8004777 A BR8004777 A BR 8004777A BR 8004777 A BR8004777 A BR 8004777A BR 8004777 A BR8004777 A BR 8004777A
- Authority
- BR
- Brazil
- Prior art keywords
- radio system
- radio
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radio Relay Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Near-Field Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2931084A DE2931084C3 (de) | 1979-07-31 | 1979-07-31 | Funksystem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8004777A true BR8004777A (pt) | 1981-02-10 |
Family
ID=6077276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8004777A BR8004777A (pt) | 1979-07-31 | 1980-07-30 | Sistema de radio |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4317219A (pt) |
| EP (1) | EP0023605B1 (pt) |
| JP (1) | JPS5924571B2 (pt) |
| AR (1) | AR227524A1 (pt) |
| AT (1) | ATE8443T1 (pt) |
| AU (1) | AU520423B2 (pt) |
| BR (1) | BR8004777A (pt) |
| CA (1) | CA1150360A (pt) |
| DE (2) | DE2931084C3 (pt) |
| DK (1) | DK328380A (pt) |
| ES (1) | ES8104689A1 (pt) |
| FI (1) | FI802389A (pt) |
| MX (1) | MX147212A (pt) |
| NO (1) | NO148132C (pt) |
| YU (1) | YU192080A (pt) |
| ZA (1) | ZA804622B (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3149956A1 (de) * | 1981-12-17 | 1983-06-30 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Linienfunksystem |
| DE3236365A1 (de) * | 1982-10-01 | 1984-04-05 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Funksystem zur nachrichtenuebertragung mit sich laengs vorgegebener strecken bewegenden sende-empfangsstationen |
| DE3411013A1 (de) * | 1984-03-24 | 1985-09-26 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Nachrichtenuebertragungssystem |
| DE19937470A1 (de) | 1999-08-07 | 2001-02-08 | Ralph Funck | Druckbehälter und Verfahren zu seiner Herstellung |
| DE19950882C2 (de) * | 1999-10-22 | 2001-10-18 | Motorola Inc | Kommunikationssystem für ein Gebiet mit eingeschränkten Empfangsmöglichkeiten |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2597818A (en) * | 1946-05-09 | 1952-05-20 | Gen Railway Signal Co | Communication system |
| US2927321A (en) * | 1956-01-26 | 1960-03-01 | Donald B Harris | Radio transmission systems with modulatable passive responder |
| DE1101540B (de) * | 1957-12-30 | 1961-03-09 | Tesla Np | Schaltungsanordnung fuer selektiven Duplex-Verkehr |
| US4006315A (en) * | 1967-04-21 | 1977-02-01 | Carrier Communications, Inc. | Inductive-carrier communication systems |
| JPS4830763B1 (pt) * | 1968-04-30 | 1973-09-22 | ||
| CH594324A5 (pt) * | 1975-08-27 | 1978-01-13 | Autophon Ag | |
| DE2644206C2 (de) * | 1976-09-30 | 1982-04-29 | Siemens AG, 1000 Berlin und 8000 München | Funksystem |
| DE2707091C3 (de) * | 1977-02-18 | 1980-08-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Funksystem für sehr kurze elektromagnetische Wellen zur ortsselektiven Übertragung ortsspezifischer Informationen |
| DE2751417C2 (de) * | 1977-11-17 | 1982-04-08 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Einrichtung zur Übertragung der Ausgangssignale mehrerer Funkempfänger über eine gemeinsame Datenleitung |
-
1979
- 1979-07-31 DE DE2931084A patent/DE2931084C3/de not_active Expired
-
1980
- 1980-07-09 US US06/167,061 patent/US4317219A/en not_active Expired - Lifetime
- 1980-07-10 EP EP80103984A patent/EP0023605B1/de not_active Expired
- 1980-07-10 DE DE8080103984T patent/DE3068515D1/de not_active Expired
- 1980-07-10 AT AT80103984T patent/ATE8443T1/de not_active IP Right Cessation
- 1980-07-25 NO NO802247A patent/NO148132C/no unknown
- 1980-07-30 YU YU01920/80A patent/YU192080A/xx unknown
- 1980-07-30 JP JP55103770A patent/JPS5924571B2/ja not_active Expired
- 1980-07-30 MX MX183357A patent/MX147212A/es unknown
- 1980-07-30 ZA ZA00804622A patent/ZA804622B/xx unknown
- 1980-07-30 CA CA000357358A patent/CA1150360A/en not_active Expired
- 1980-07-30 AU AU60910/80A patent/AU520423B2/en not_active Ceased
- 1980-07-30 DK DK328380A patent/DK328380A/da not_active Application Discontinuation
- 1980-07-30 AR AR281991A patent/AR227524A1/es active
- 1980-07-30 ES ES493841A patent/ES8104689A1/es not_active Expired
- 1980-07-30 FI FI802389A patent/FI802389A/fi not_active Application Discontinuation
- 1980-07-30 BR BR8004777A patent/BR8004777A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK328380A (da) | 1981-02-01 |
| DE2931084B2 (de) | 1981-06-19 |
| ZA804622B (en) | 1981-08-26 |
| EP0023605B1 (de) | 1984-07-11 |
| JPS5924571B2 (ja) | 1984-06-11 |
| NO802247L (no) | 1981-02-02 |
| NO148132C (no) | 1983-08-17 |
| NO148132B (no) | 1983-05-02 |
| CA1150360A (en) | 1983-07-19 |
| US4317219A (en) | 1982-02-23 |
| ES493841A0 (es) | 1981-04-01 |
| DE2931084A1 (de) | 1981-02-12 |
| DE3068515D1 (en) | 1984-08-16 |
| AU6091080A (en) | 1981-03-12 |
| FI802389A (fi) | 1981-02-01 |
| ES8104689A1 (es) | 1981-04-01 |
| YU192080A (en) | 1983-10-31 |
| ATE8443T1 (de) | 1984-07-15 |
| EP0023605A1 (de) | 1981-02-11 |
| JPS5623042A (en) | 1981-03-04 |
| MX147212A (es) | 1981-10-21 |
| DE2931084C3 (de) | 1982-03-11 |
| AU520423B2 (en) | 1982-01-28 |
| AR227524A1 (es) | 1982-11-15 |
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