BE447599A - - Google Patents
Info
- Publication number
- BE447599A BE447599A BE447599DA BE447599A BE 447599 A BE447599 A BE 447599A BE 447599D A BE447599D A BE 447599DA BE 447599 A BE447599 A BE 447599A
- 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
- H04B1/54—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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE228780X | 1941-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447599A true BE447599A (en, 2012) |
Family
ID=5867407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447599D BE447599A (en, 2012) | 1941-11-12 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE447599A (en, 2012) |
| CH (1) | CH228780A (en, 2012) |
| FR (1) | FR886812A (en, 2012) |
-
0
- BE BE447599D patent/BE447599A/xx unknown
-
1942
- 1942-08-28 CH CH228780D patent/CH228780A/de unknown
- 1942-10-15 FR FR886812D patent/FR886812A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR886812A (fr) | 1943-10-26 |
| CH228780A (de) | 1943-09-15 |