ES177703A1 - MEJORAS EN O RELATIVAS A SISTEMAS MULTICANALES DE COMUNICACIoN POR ONDA PORTADORA - Google Patents
MEJORAS EN O RELATIVAS A SISTEMAS MULTICANALES DE COMUNICACIoN POR ONDA PORTADORAInfo
- Publication number
- ES177703A1 ES177703A1 ES0177703A ES177703A ES177703A1 ES 177703 A1 ES177703 A1 ES 177703A1 ES 0177703 A ES0177703 A ES 0177703A ES 177703 A ES177703 A ES 177703A ES 177703 A1 ES177703 A1 ES 177703A1
- Authority
- ES
- Spain
- Prior art keywords
- frequency range
- primary frequency
- relating
- communication systems
- wave communication
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
- H04J1/045—Filters applied to frequency transposition
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1074846A GB602229A (en) | 1946-04-08 | 1946-04-08 | Improvements in or relating to multi-channel carrier communication systems |
Publications (1)
Publication Number | Publication Date |
---|---|
ES177703A1 true ES177703A1 (es) | 1947-06-01 |
Family
ID=9973557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0177703A Expired ES177703A1 (es) | 1946-04-08 | 1947-04-21 | MEJORAS EN O RELATIVAS A SISTEMAS MULTICANALES DE COMUNICACIoN POR ONDA PORTADORA |
Country Status (4)
Country | Link |
---|---|
ES (1) | ES177703A1 (fr) |
FR (1) | FR944381A (fr) |
GB (1) | GB602229A (fr) |
NL (1) | NL75113C (fr) |
-
0
- NL NL75113D patent/NL75113C/xx active
-
1946
- 1946-04-08 GB GB1074846A patent/GB602229A/en not_active Expired
-
1947
- 1947-03-14 FR FR944381D patent/FR944381A/fr not_active Expired
- 1947-04-21 ES ES0177703A patent/ES177703A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR944381A (fr) | 1949-04-04 |
GB602229A (en) | 1948-05-21 |
NL75113C (fr) |
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