Acoustic wave device, duplexer, communication module, and communication apparatus
US8026776B2 · kind B2 · utility
31Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2009 |
| Grant date | Sep 27, 2011 |
| Priority date | — |
| Expiry date | Jan 5, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/6483
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An acoustic wave device includes a ladder-type filter in which resonators are connected in a ladder configuration. In the acoustic wave device, series-connected resonators are connected in a parallel line in the ladder-type filter, and the resonators connected in the parallel line have mutually different resonance frequencies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.