Antenna device, communication device, and communication method
US10911076B2 · kind B2 · utility
0Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2017 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Nov 2, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/34
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna device, including an antenna element constituted by a conductor, having a tubular shape, and including a long notch section formed to extend in an axial direction in at least a part of a side surface, a capacitor formed to bridge end portions of the notch section in a short direction, substantially at a center of the notch section in a longitudinal direction, and a power feed point formed at a position which is apart from the capacitor to a side of one end portion of the notch section in the longitudinal direction and corresponds to a side of one end portion of the notch section in the short direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.