FR867237A - Carrier wave transmission systems - Google Patents
Carrier wave transmission systemsInfo
- Publication number
- FR867237A FR867237A FR867237DA FR867237A FR 867237 A FR867237 A FR 867237A FR 867237D A FR867237D A FR 867237DA FR 867237 A FR867237 A FR 867237A
- Authority
- FR
- France
- Prior art keywords
- carrier wave
- wave transmission
- transmission systems
- systems
- carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H04B1/50—Circuits using different frequencies for the two directions of communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB867237X | 1939-07-05 | ||
GB19568/39A GB531556A (en) | 1939-07-05 | 1939-07-05 | Improved arrangements for suppressing the carrier frequency on transmission systems |
Publications (1)
Publication Number | Publication Date |
---|---|
FR867237A true FR867237A (en) | 1941-10-07 |
Family
ID=33031448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR867237D Expired FR867237A (en) | 1939-07-05 | 1940-09-19 | Carrier wave transmission systems |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR867237A (en) |
GB (1) | GB531556A (en) |
-
1939
- 1939-07-05 GB GB19568/39A patent/GB531556A/en not_active Expired
-
1940
- 1940-09-19 FR FR867237D patent/FR867237A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB531556A (en) | 1941-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR869045A (en) | Broadband transmission systems | |
FR867296A (en) | High frequency transmission systems | |
FR868507A (en) | Ultra-high frequency electro-magnetic wave transmission systems | |
FR869048A (en) | Frequency modulation transmission systems | |
FR843159A (en) | Transmission systems | |
FR861289A (en) | Wave transmission systems | |
FR860224A (en) | High frequency electric wave transmission systems | |
FR860972A (en) | Electric wave transmission systems | |
FR856061A (en) | Modulated radio wave emitting systems | |
FR854976A (en) | Electric wave transmission systems | |
FR887810A (en) | Transmission systems | |
FR841895A (en) | Secret transmission systems | |
FR862720A (en) | Transmission systems, carrier wave signals | |
FR864103A (en) | High frequency transmission systems | |
FR863262A (en) | High frequency transmission systems | |
FR867844A (en) | Modulated carrier wave transmission systems | |
FR854914A (en) | Powerline transmission systems | |
FR822799A (en) | Carrier wave transmission systems | |
FR867237A (en) | Carrier wave transmission systems | |
FR867449A (en) | Transmission systems | |
FR840097A (en) | Carrier wave transmission systems | |
FR861689A (en) | Carrier wave transmission systems | |
FR869046A (en) | Modulated carrier wave transmission systems | |
FR830179A (en) | Carrier wave transmission systems | |
FR858085A (en) | High frequency electric wave transmission systems |