Combined addressing code-locking device

Application Number: 00107696
Application Date: 2000.05.26
Publication Number: 1326300
Publication Date: 2001.12.12
Priority Information:
International: H04L9/00;H04N7/173
Applicant(s) Name: Zhenyu Communiation Co Ltd
Inventor(s) Name: Chen Zhongyi;Wen Renping;Chen Guiyuan
Patent Agency Code: 11127
Patent Agent: li qiang
Abstract A master-slave addressing code-locking device is composed of a mother decoder box containing decoding circuit, station selector and signal generator to provide an external signal under external control, and more than one sub-decoder box containing an additional signal recever for receiving the signal transmitted from mother decoder box and recognizing it for transmitting TV programs.