Antenna system having two antennas and three ports
US9559433B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2013 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Jun 25, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/06
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Electronic devices may include radio-frequency transceiver circuitry and antenna structures. The antenna structures may form a dual arm inverted-F antenna and a monopole antenna sharing a common antenna ground. The antenna structures may have three ports. A first antenna port may be coupled to an inverted-F antenna resonating element at a first location and a second antenna port may be coupled to the inverted-F antenna resonating element at a second location. A third antenna port may be coupled to the monopole antenna. Tunable circuitry can be used to tune the antenna structures. An adjustable capacitor may be coupled to the first port to tune the inverted-F antenna. An additional adjustable capacitor may be coupled to the third port to tune the monopole antenna. Transceiver circuitry for supporting wireless local area network communications, satellite navigation system communications, and cellular communications may be coupled to the first, second, and third antenna ports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.