NL52347B - - Google Patents
Info
- Publication number
- NL52347B NL52347B NL52347A NL52347A NL52347B NL 52347 B NL52347 B NL 52347B NL 52347 A NL52347 A NL 52347A NL 52347 A NL52347 A NL 52347A NL 52347 B NL52347 B NL 52347B
- Authority
- NL
- Netherlands
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
- H04B1/38—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
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE344752X | 1929-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL52347B true NL52347B (it) | 1933-06-15 |
Family
ID=20308470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL52347A NL52347B (it) | 1929-07-05 | 1930-06-27 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1907259A (it) |
| GB (1) | GB344752A (it) |
| NL (1) | NL52347B (it) |
-
1930
- 1930-06-25 US US463755A patent/US1907259A/en not_active Expired - Lifetime
- 1930-06-27 NL NL52347A patent/NL52347B/xx unknown
- 1930-07-03 GB GB20217/30A patent/GB344752A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1907259A (en) | 1933-05-02 |
| GB344752A (en) | 1931-03-12 |