Filter circuit
US9306532B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2012 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Aug 10, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K1/165
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A filter circuit includes: a filter element having a first terminal connected to an antenna, a second terminal connected to a receiving circuit, and a third terminal connected to a transmission circuit; a first inductor, a second inductor, and a third inductor connected in series between the first terminal and the third terminal of the filter element; a fourth inductor that has one end connected to a connecting node connecting the first inductor and the second inductor and that has the other end grounded; and a fifth inductor that has one end connected to a connecting node connecting the second inductor and the third inductor and that has the other end grounded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.