Apparatus for timely controlling the sound characteristic of a signaling means of a voice communication device
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United States of America Patent
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Aug 8, 1989
Issued Date -
N/A
app pub date -
Jun 18, 1987
filing date -
Jan 10, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus is provided for programmably silencing a telephone ringer for one or more predetermined periods of time on a daily basis. In accordance with the time set by a user, the apparatus places the telephone ringer under the control of the data stored in the read only memory and the random access memory of the central processing unit, whereby the ringer can be automatically set at predetermined sounding condition.
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