Antenna apparatus and antenna system
US5592185A · kind A · utility
19Cited by
12References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1995 |
| Grant date | Jan 7, 1997 |
| Priority date | — |
| Expiry date | Sep 25, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/28
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna apparatus comprises a dielectric substrate, an earth conductor mounted on one surface of the substrate and forming a microstrip transmission line, an upper conductor mounted on the other surface of the substrate and forming a microstrip transmission line, an antenna element formed integrally with the microstrip transmission lines, and a delayed wave opening situated in the earth conductor in confronting relationship with the upper conductor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.