发明名称 |
MP3 doorbell chime system |
摘要 |
A door chime system includes a microcontroller having a processor and a data memory for storing digital sound files. The microcontroller includes an input and an output representative of digital sound files; a door chime actuator having an output responsive to the depression of the doorbell electrically connected to the input of said microcontroller and an amplifier stage for converting a one of said digital sound files into sound. The output from the microcontroller representative of a digital sound file is supplied to the input of the amplifier stage responsive to the door chime output.
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申请公布号 |
US2007008081(A1) |
申请公布日期 |
2007.01.11 |
申请号 |
US20050155753 |
申请日期 |
2005.06.17 |
申请人 |
TYLICKI SCOTT B;RAPER WILLIAM C;ATKINS BARRY L;CORNETT ROGER D |
发明人 |
TYLICKI SCOTT B.;RAPER WILLIAM C.;ATKINS BARRY L.;CORNETT ROGER D. |
分类号 |
G08B3/00 |
主分类号 |
G08B3/00 |
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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