Single-pole multi-throw switch device having simple structure
US11158925B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2019 |
| Grant date | Oct 26, 2021 |
| Priority date | — |
| Expiry date | Sep 20, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/51
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A switch device is disclosed. The switch device includes: an input point; a first output point; a second output point; a first transmission line connecting the input point to the first output point; a second transmission line connecting the input point to the second output point; a switch unit connected to the first output point; and a third transmission line of which one end is connected to the switch unit and the other end is connected to the second output point, wherein the third transmission line causes a 90-degree phase shift when a signal at an operating frequency is delivered therethrough, the switch unit is controlled to be in an ON or OFF state according to one control signal, opens or grounds each of the first output point and the one end of the third transmission line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.