Adaptive polarization separation
US4264908A · kind A · utility
Inventors
Key dates
| Filing date | Mar 6, 1979 |
| Grant date | Apr 28, 1981 |
| Priority date | — |
| Expiry date | Mar 6, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/245
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A broadband adaptively controlled polarization separation network. Two transmitted signals vertically and horizontally polarized are received as elleptically polarized signals. One of the two received elliptically polarized signals is automatically adjusted to make it linear and thereafter automatically adjusted to make it vertical. If the other signal does not have any vertical polarization on it then the two signals are easily separated and nothing else is needed. However, if there is any vertical polarization on the other signal this invention provides for separating the resulting crosstalk between the two signals. This is done automatically by the use of two sets of crosscouplers which couple a single line to the other line to complete the polarization decoupling operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.