首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
扩音电铃
摘要
本实用新型提供一种扩音电铃,电铃连接有扩音喇叭口,使用时,扩音喇叭口可将电铃声传播很远,尤其适合学校使用。
申请公布号
CN2884356Y
申请公布日期
2007.03.28
申请号
CN200620095420.3
申请日期
2006.02.28
申请人
熊彦
发明人
熊彦
分类号
G08B3/10(2006.01)
主分类号
G08B3/10(2006.01)
代理机构
代理人
主权项
1、一种扩音电铃,其特征是:电铃(1)连接有扩音喇叭口(2)。
地址
441400湖北省宜城市第三高级中学
您可能感兴趣的专利
Multi-layer flexible film package and liquid crystal display device including the same
Illumination system
Remote copying method and computer program
Defect inspection method and system
System and method for digital video management
Arrangement of a first and at least a second additional vehicle in a loosely couplable not track bound train
Video surveillance system
Image navigation in a mobile station
Displaying images
Converting deformation data for a mesh to animation data for a skeleton, skinning and shading in a runtime computer graphics animation engine
Generalization of features in a digital map
Method and device for driving an active matrix display panel
Electronic conference control device, electronic conference assistance method, storage medium, and computer data signal
Active antenna tuning circuitry
System and method for a terrain database and/or position validation
Electromagnetic wellbore telemetry system for tubular strings
Apparatus, system and method for sensing to locate persons in a building in the event of a disaster
Method and system of attaching a RFID tag to an object
Immobilizer systems including digital car radio with RFID repeater and RFID starter fob
Wide exit/entrance electronic article surveillance antenna system