Huawei patents granted on 03 February 2015

6 US patents granted on 03 February 2015 and assigned to Huawei

1 8,948,553 Deep-shallow optical radiation filters
2 8,948,504 Device and machine readable medium for determining image hue
3 8,948,205 Method and apparatus for mapping and de-mapping in an optical transport network
4 8,947,498 Method and device for processing multi-picture video image
5 8,947,174 Base station RF duplexer, RF module, and RF system
6 8,947,151 Frequency mixing circuit and method for suppressing local oscillation leakage in frequency mixing circuit