FR954523A - - Google Patents
Info
- Publication number
- FR954523A FR954523A FR954523DA FR954523A FR 954523 A FR954523 A FR 954523A FR 954523D A FR954523D A FR 954523DA FR 954523 A FR954523 A FR 954523A
- Authority
- FR
- France
- 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
- H04B1/54—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)
- Details Of Aerials (AREA)
- Near-Field Transmission Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US469174A US2807713A (en) | 1942-12-16 | 1942-12-16 | Antenna couplings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR954523A true FR954523A (US07122603-20061017-C00294.png) | 1950-01-03 |
Family
ID=23862733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR954523D Expired FR954523A (US07122603-20061017-C00294.png) | 1942-12-16 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2807713A (US07122603-20061017-C00294.png) |
| ES (1) | ES182135A1 (US07122603-20061017-C00294.png) |
| FR (1) | FR954523A (US07122603-20061017-C00294.png) |
| GB (1) | GB597736A (US07122603-20061017-C00294.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2962584A (en) * | 1957-03-07 | 1960-11-29 | Norman Ind Inc Van | Improvements in or relating to switching devices for signal transceivers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2688746A (en) * | 1940-03-29 | 1954-09-07 | Radar Inc | Impedance control coupling and decoupling system |
-
0
- FR FR954523D patent/FR954523A/fr not_active Expired
-
1942
- 1942-12-16 US US469174A patent/US2807713A/en not_active Expired - Lifetime
-
1945
- 1945-08-24 GB GB21832/45A patent/GB597736A/en not_active Expired
-
1948
- 1948-02-06 ES ES0182135A patent/ES182135A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES182135A1 (es) | 1948-04-01 |
| US2807713A (en) | 1957-09-24 |
| GB597736A (en) | 1948-02-02 |
