NL138584B - - Google Patents
Info
- Publication number
- NL138584B NL138584B NL138584DA NL138584B NL 138584 B NL138584 B NL 138584B NL 138584D A NL138584D A NL 138584DA NL 138584 B NL138584 B NL 138584B
- Authority
- NL
- Netherlands
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced with unbalanced lines or devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/19—Conjugate devices, i.e. devices having at least one port decoupled from one other port of the junction type
- H01P5/20—Magic-T junctions
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2572/47A GB627410A (en) | 1947-01-28 | 1947-01-28 | Hybrid transformer for very high frequencies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL138584B true NL138584B (en) |
Family
ID=9741933
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL66130D NL66130C (en) | 1947-01-28 | ||
| NL138584D NL138584B (en) | 1947-01-28 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL66130D NL66130C (en) | 1947-01-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2581156A (en) |
| FR (1) | FR962849A (en) |
| GB (1) | GB627410A (en) |
| NL (2) | NL138584B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2976497A (en) * | 1955-11-23 | 1961-03-21 | Alford Andrew | Radio frequency net-works |
| US2935702A (en) * | 1956-05-15 | 1960-05-03 | Merrimac Res And Dev Corp | Coaxial microwave hybrid structures |
| DE1073048B (en) * | 1957-05-17 | 1960-01-14 | Andrew Alford, Boston, Mass. (V. St. A.) | High-frequency bridge circuit having at least four coaxial connections |
| US3504306A (en) * | 1969-06-02 | 1970-03-31 | Sylvania Electric Prod | Triaxial balun for broadband push-pull power amplifier |
| US3678418A (en) * | 1971-07-28 | 1972-07-18 | Rca Corp | Printed circuit balun |
| US3786372A (en) * | 1972-12-13 | 1974-01-15 | Gte Sylvania Inc | Broadband high frequency balun |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB505303A (en) * | 1937-03-13 | 1939-05-09 | Telefunken Gmbh | Improvements in or relating to radio and like transmitters |
| DE907544C (en) * | 1940-07-05 | 1954-03-25 | Lorenz C Ag | Arrangement for the connection of a coaxial high-frequency power line with a symmetrical high-frequency power line |
-
0
- FR FR962849D patent/FR962849A/fr not_active Expired
- NL NL66130D patent/NL66130C/xx active
- NL NL138584D patent/NL138584B/xx unknown
-
1947
- 1947-01-28 GB GB2572/47A patent/GB627410A/en not_active Expired
-
1948
- 1948-01-27 US US4653A patent/US2581156A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR962849A (en) | 1950-06-21 |
| NL66130C (en) | |
| US2581156A (en) | 1952-01-01 |
| GB627410A (en) | 1949-08-09 |