Hairpin microstrip bandpass filter
US8258896B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 24, 2011 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | May 24, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P1/203
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A microstrip filter having a plurality of hairpin microstrip resonators each having two substantially rectangular legs connected at one end and generally configured in a “U” shape. The microstrip filter may comprise a first of the plural resonators operatively connected to a first feed point, a second of the plural resonators operatively connected to a second feed point, and a third of the plural resonators operatively connected between the first and second resonators where an end portion of one of the legs of one of the resonators is tapered so that a thickness of the one leg is greater at one end of the one leg than at another end of the one leg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.