MP3 doorbell chime system
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United States of America Patent
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N/A
Issued Date -
Jan 11, 2007
app pub date -
Jun 17, 2005
filing date -
Jun 17, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
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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Family
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