BE439666A - - Google Patents
Info
- Publication number
- BE439666A BE439666A BE439666DA BE439666A BE 439666 A BE439666 A BE 439666A BE 439666D A BE439666D A BE 439666DA BE 439666 A BE439666 A BE 439666A
- 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
- H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE215529X | 1939-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE439666A true BE439666A (en:Method) |
Family
ID=5824445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE439666D BE439666A (en:Method) | 1939-07-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2297482A (en:Method) |
| BE (1) | BE439666A (en:Method) |
| CH (1) | CH215529A (en:Method) |
| FR (1) | FR868488A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2531398A (en) * | 1943-02-25 | 1950-11-28 | Farnsworth Res Corp | Interference transmission system |
| US2515213A (en) * | 1943-05-20 | 1950-07-18 | Rca Corp | Ultra high frequency communication system |
| FR906914A (fr) * | 1943-09-10 | 1946-02-25 | Philips Nv | Appareil radio-électrique émetteur et récepteur pour trafic simultané dans les deux sens |
-
0
- BE BE439666D patent/BE439666A/xx unknown
-
1940
- 1940-07-09 CH CH215529D patent/CH215529A/de unknown
- 1940-09-06 US US355567A patent/US2297482A/en not_active Expired - Lifetime
- 1940-12-28 FR FR868488D patent/FR868488A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR868488A (fr) | 1941-12-31 |
| US2297482A (en) | 1942-09-29 |
| CH215529A (de) | 1941-06-30 |