Patent ID: 7795994
Filing Date: 2010-09-14
Classification: H04B

Abstract:
1. A power line coupler configured to couple communication signals between a communication device having a first terminal and a second terminal and a power distribution system having a first and a second overhead energized power line conductor, and a neutral conductor, comprising: a first capacitor having a first end and a second end; wherein said first end of said first capacitor is connected to the first power line conductor; a second capacitor having a first end and a second end; wherein said first end of said second capacitor is connected to the second power line conductor; a transformer forming at least part of a balun and having a first winding and a second winding; wherein said first winding has a first end coupled to the first terminal of the communication device; wherein said first winding has a second end coupled to the second terminal of the communication device; wherein said second winding has a first end coupled to said second end of said first capacitor; and wherein said second winding has a second end coupled to said second end of said second capacitor.