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发明名称
电话机用接机应答器
摘要
本实用新型公开了一种电话机用接机应答器,属于电话通信技术领域。它由三极管、稳压管、发光二极管、开关、电阻、电容和发声器件组成,三极管与电阻构成开关电路,三极管的基极回路中串联有开关,在三极管的输出回路中串联有稳压管和电阻,在三极管输出回路中还并联有发光二极管和电阻,发声器件并联在三极管的负载上,电容串联在发声器件的输出端。电话机用接机应答器可以让电话接通,并给主叫者送去等待信号,让电话主叫者与被叫者建立联系,防止错过重要信息。
申请公布号
CN2455008Y
申请公布日期
2001.10.17
申请号
CN00256679.6
申请日期
2000.11.30
申请人
邱向康
发明人
邱向康
分类号
H04M1/64
主分类号
H04M1/64
代理机构
代理人
主权项
1.一种电话机用接机应答器,其特征是:由三极管、稳压管、发光二极管、开关、电阻、电容和发声器件组成,三极管与电阻构成开关电路,在三极管的基极回路中串联有控制开关,在三极管的输出回路中串联有稳压管和电阻,在三极管输出回路中还串联有发光二极管和电阻,发声器件并联在与稳压管串联的电阻上,电容串联在发声器件的输出端。
地址
518129广东省深圳市布吉坂田天景山庄西10栋201室
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