warmly celebrate quanxin electronic technology (shenzhen) co., ltd. on december 5, 2014 and obtained another invention patent authorization:
"infrared receiver with digital gain control circuit 201110138741.2";
this is the 9th authorized invention patent of quanxin. as of now, our company has applied for 19 invention patents, 10 of which have been authorized (including one us patent); the other 9 have been in the actual review!