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发明名称
电视双伴音立体声解调装置
摘要
本实用新型涉及电视接收领域。本实用新型是由第一和第二音量预置调频鉴频器、状态转换开关和带放大器矩阵电路组成。本实用新型能实现5种伴音状态的解调,更适合人们欣赏双伴音立体声的电视广播。
申请公布号
CN2057544U
申请公布日期
1990.05.23
申请号
CN89215877.8
申请日期
1989.09.06
申请人
北京电视机厂
发明人
原晓方
分类号
H04N5/60
主分类号
H04N5/60
代理机构
代理人
主权项
1、一种电视双伴音立体声解调装置,由第一和第二陶瓷滤波器(1)和(2)组成,其特征在于: (1)第一和第二音量予置调频鉴频器(3)和(4)都是由D7176集成电路组成的, (2)状态转换开关(5)可以是双刀多按健互锁开关,也可以是双刀三掷拨动开关, (3)带放大器解码矩阵电路(10)采用一块四运算放大器集成电路。
地址
北京市海淀区花园路2号
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