Combined multi-port transmit/receive switch and filter
US5023935A · kind A · utility
27Cited by
5References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 17, 1989 |
| Grant date | Jun 11, 1991 |
| Priority date | — |
| Expiry date | Nov 17, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/44
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A combined switch and filter comprising coupled first and second quarter-wave transmission line sections and switching elements for providing selective coupling and filtering between ports of the switch coupled to the ends of the quarter-wave sections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.