BE447597A - - Google Patents
Info
- Publication number
- BE447597A BE447597A BE447597DA BE447597A BE 447597 A BE447597 A BE 447597A BE 447597D A BE447597D A BE 447597DA BE 447597 A BE447597 A BE 447597A
- Authority
- BE
- Belgium
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
- H04B1/44—Transmit/receive switching
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE886811X | 1941-11-12 | ||
| DEL0004362 | 1941-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447597A true BE447597A (https=) |
Family
ID=33030577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447597D BE447597A (https=) | 1941-11-12 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE447597A (https=) |
| FR (1) | FR886811A (https=) |
-
0
- BE BE447597D patent/BE447597A/xx unknown
-
1942
- 1942-10-15 FR FR886811D patent/FR886811A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR886811A (fr) | 1943-10-26 |