Door bell/answering system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 29, 1996
Grant Date -
N/A
app pub date -
May 2, 1995
filing date -
May 2, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A door bell system presents a normal door bell alarm with an alternative speech record/playback assembly. Upon depression of the exterior button extending through an exterior housing adjacent a building entrance the system with either energize the door bell or urge the visitor to leave a recorded message for subsequent playback. The door bell and/or record modes are selected by the user by a switch located within an interior housing mounted adjacent a building entrance. The housings include the appropriate components and wiring to provide the door bell and record/playback functions.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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