Surface acoustic wave reflecting device having reflectance similar to the hamming function
US6278219A · kind A · utility
4Cited by
12References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1999 |
| Grant date | Aug 21, 2001 |
| Priority date | — |
| Expiry date | Sep 29, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H9/02637
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A surface acoustic wave device which reflects a surface acoustic wave is provided. The reflector of the surface acoustic wave device includes electrode fingers. The electrode fingers are disposed at predetermined intervals d, and are divided into five groups by the width. The widths w of the electrode fingers are varied between widths w1, w2, and w3, so that the reflectance becomes similar to the Hamming function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.