BR7602362A - Metodo para comunicacao eletrica com faixa de frequencia reduzida - Google Patents
Metodo para comunicacao eletrica com faixa de frequencia reduzidaInfo
- Publication number
- BR7602362A BR7602362A BR7602362A BR7602362A BR7602362A BR 7602362 A BR7602362 A BR 7602362A BR 7602362 A BR7602362 A BR 7602362A BR 7602362 A BR7602362 A BR 7602362A BR 7602362 A BR7602362 A BR 7602362A
- Authority
- BR
- Brazil
- Prior art keywords
- frequency band
- electric communication
- reduced frequency
- communication
- reduced
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Telephone Function (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752516743 DE2516743C2 (de) | 1975-04-16 | 1975-04-16 | Empfänger für ein System zur elektrischen Nachrichtenübertragung mit herabgesetzter Bandbreite |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7602362A true BR7602362A (pt) | 1976-10-12 |
Family
ID=5944124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7602362A BR7602362A (pt) | 1975-04-16 | 1976-04-14 | Metodo para comunicacao eletrica com faixa de frequencia reduzida |
Country Status (5)
Country | Link |
---|---|
BR (1) | BR7602362A (pt) |
CH (1) | CH607469A5 (pt) |
DE (1) | DE2516743C2 (pt) |
FR (1) | FR2308256A1 (pt) |
GB (1) | GB1499697A (pt) |
-
1975
- 1975-04-16 DE DE19752516743 patent/DE2516743C2/de not_active Expired
-
1976
- 1976-04-14 BR BR7602362A patent/BR7602362A/pt unknown
- 1976-04-15 CH CH483376A patent/CH607469A5/xx not_active IP Right Cessation
- 1976-04-15 GB GB1566576A patent/GB1499697A/en not_active Expired
- 1976-04-16 FR FR7611327A patent/FR2308256A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2516743A1 (de) | 1978-03-16 |
FR2308256B3 (pt) | 1979-01-12 |
DE2516743C2 (de) | 1984-01-19 |
GB1499697A (en) | 1978-02-01 |
FR2308256A1 (fr) | 1976-11-12 |
CH607469A5 (pt) | 1978-12-29 |
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