At the Beginning of 2011, the Division which is reported to the State Intellectual Property Office "multi-channel digital amplifier," utility model patent has been declared successful, has received the State Intellectual Property Office issued a patent certificate. 【Patent number: ZL 2009 2 0058098.0】.
 

In recent years, Baoyeheng research and development in high-tech and digital innovation, this is the fifth new patent reflects since last year it shows BaoYeheng advanced research and development in the field of digital power amplifier.