Coaxial cable
US8779293B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2009 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Jul 27, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B11/1808
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A coaxial cable including: an inner conductor located at the center portion of the cable; an insulator surrounding the outside of the inner conductor; an outer conductor surrounding the outside of the insulator; and a sheath surrounding the outer conductor, wherein the outer conductor is provided to have a corrugated tube shape having corrugation crests and corrugation troughs formed therein, and wherein an outer diameter “I” of the insulator, an inner diameter D1 of the corrugation crest formed in the outer conductor, and an inner diameter D2 of the corrugation trough formed in the outer conductor have the following relationship:and an air layer is formed between the insulator and the corrugation crest of the outer conductor, and a straight line section is provided in the corrugation crest of the outer conductor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.