NL56596C - - Google Patents
Info
- Publication number
- NL56596C NL56596C NL56596DA NL56596C NL 56596 C NL56596 C NL 56596C NL 56596D A NL56596D A NL 56596DA NL 56596 C NL56596 C NL 56596C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/36—Repeater circuits
- H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
- H04H20/77—Wired systems using carrier waves
- H04H20/81—Wired systems using carrier waves combined with telephone network over which the broadcast is continuously available
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE212070X | 1937-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56596C true NL56596C (de) |
Family
ID=5806132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56596D NL56596C (de) | 1937-10-19 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH212070A (de) |
| FR (1) | FR844608A (de) |
| GB (1) | GB514074A (de) |
| NL (1) | NL56596C (de) |
-
0
- NL NL56596D patent/NL56596C/xx active
-
1938
- 1938-10-03 CH CH212070D patent/CH212070A/de unknown
- 1938-10-11 FR FR844608D patent/FR844608A/fr not_active Expired
- 1938-10-14 GB GB29841/38A patent/GB514074A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR844608A (fr) | 1939-07-28 |
| CH212070A (de) | 1940-10-31 |
| GB514074A (en) | 1939-10-30 |