Antenna diversity switching device with switching circuits between the receiver terminal and each antenna
US5594394A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1994 |
| Grant date | Jan 14, 1997 |
| Priority date | — |
| Expiry date | Aug 30, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/30
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna switching device of the present invention includes: a transmitting terminal for receiving a transmitting signal; a first antenna terminal connected to a first antenna; a second antenna terminal connected to a second antenna; a receiving terminal for outputting receiving signals received at the first antenna terminal and the second antenna terminal; a selecting unit for selecting one mode among a first mode for outputting a signal corresponding to the transmitting signal to the first antenna terminal, a second mode for outputting the receiving signal received at the first antenna to the receiving terminal, and a third mode for outputting the receiving signal received at the second antenna to the receiving terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.