发明名称 |
CD quality wireless door chime |
摘要 |
A doorbell system having a sound memory for storing and playing a CD quality doorbell sound is disclosed. Said doorbell system includes a receiver unit for receiving an indication of a doorbell button being pressed, a code detector for commanding the sound memory to output stored sound signals and sound producing means for outputting a CD quality sound. Also disclosed is a method for storing a CD quality sound into a doorbell system.
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申请公布号 |
US6175298(B1) |
申请公布日期 |
2001.01.16 |
申请号 |
US19980130042 |
申请日期 |
1998.08.06 |
申请人 |
THE LAMSON & SESSIONS CO. |
发明人 |
XYDIS THOMAS G. |
分类号 |
G08B3/10;(IPC1-7):G08B3/00 |
主分类号 |
G08B3/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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