Device for checking the closed state of a door mounted on an object, especially on a motor vehicle
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United States of America Patent
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-
Apr 27, 1999
Grant Date -
N/A
app pub date -
Oct 3, 1997
filing date -
Jan 21, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a device for checking the closed state of a door mounted on an object (1), especially on a motor vehicle, by using an electronic key (2). The electronic key (2) and the object (1) are each fitted with intercommunicating transmitter/receiver units (3, 4 or 13, 14). The closed state of the door (1) is determined via a closure detecting sensor (8) on the door (7) and indicated via optical displays (10 or 16) on the outside of the object (1) and/or on the electronic key (2).
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