GB739368A - Coaxial electric transmission line spacing assembly - Google Patents
Coaxial electric transmission line spacing assemblyInfo
- Publication number
- GB739368A GB739368A GB290154A GB290154A GB739368A GB 739368 A GB739368 A GB 739368A GB 290154 A GB290154 A GB 290154A GB 290154 A GB290154 A GB 290154A GB 739368 A GB739368 A GB 739368A
- Authority
- GB
- United Kingdom
- Prior art keywords
- channel
- conductor
- spacers
- transmission line
- line
- 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
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/1873—Measures for the conductors, in order to fix the spacers
Abstract
739,368. Cables. BONDON, L. A. Feb. 1, 1954, No. 2901/54. Class 36. In a coaxial transmission line comprising hollow inner and outer conductors 11, 10 separated by radially disposed spacers, each spacing assembly comprises a short cylindrical conducting member 12 having its outer surface in engagement with the inner surface of the inner conductor 11 and having an external circumferential channel 13 intermediate its ends, and radially disposed spacers 14 maintained perpendicular to the longitudinal axis of the member 12 and which extend through the wall of the inner conductor so that their inner ends project into the channel 13 and their outer ends engage the inner surface of the outer conductor 10, the depth of the channel 13 being such that the characteristic impedance of the line at an insulating assembly is equalized with the characteristic impedance of the line in the intervening air-spaced portions. The member 12, which is preferably of the same material as the inner conductor 11 may be formed with a wide circumferential channel 18 intermediate its ends, in the base of which channel 13 is formed. The spacers 14, which are preferably of polytetrafluoroethylene, may be cylindrical, having concave inner ends which fit the bottom of channel 13, wedge-shaped outer ends which are in intimate contact with the inner surface of the outer conductor, and an axial bore 25. An insulating pin 16 passing through member 12 has each of its projecting ends extending into the bore of one of the spacers 14 to maintain the latter in position. The member 12 may have circumferential recesses 21 filled with soft silver solder 22, so that after positioning the member 12 within the conductor 11 it may be soldered in place. The assemblies are longitudinally spaced at any desired interval and disposed on the inner conductor with any desired angular relationship between the spacers 14 of adjacent assemblies (90 degrees in the illustrated embodiment).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB290154A GB739368A (en) | 1954-02-01 | 1954-02-01 | Coaxial electric transmission line spacing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB290154A GB739368A (en) | 1954-02-01 | 1954-02-01 | Coaxial electric transmission line spacing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB739368A true GB739368A (en) | 1955-10-26 |
Family
ID=9748170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB290154A Expired GB739368A (en) | 1954-02-01 | 1954-02-01 | Coaxial electric transmission line spacing assembly |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB739368A (en) |
-
1954
- 1954-02-01 GB GB290154A patent/GB739368A/en not_active Expired
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