Door mounted audio reminder

Details Door mounted audio reminder Door mounted audio reminder

1999-03-11

2000-08-15

Tong, Nina

Communications: electrical

Condition responsive indicating system

Specific condition

340547, 340692, G08B 1308

Patent

active

061042889

ABSTRACT:
An audio system is provided for reminding a person exiting a building to possess a key. Included is a speaker for emitting audible audio signals. Also provided is a detection mechanism for indicating that a door of a doorway has been opened. Control circuitry is connected between the speaker and the detection mechanism. The control circuitry is adapted to emit audio signals via the speaker reminding a person exiting a building to possess a key only upon the detection mechanism indicating that the door of the doorway has been opened.

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