Door mat having sound generating device

Details Door mat having sound generating device Door mat having sound generating device

1999-04-20

2000-11-07

Tong, Nina

Communications: electrical

Condition responsive indicating system

Specific condition

340666, 3403841, 340692, G08B 2100

Patent

active

061443069

ABSTRACT:
A door mat includes a mat element disposed on top of a base which includes a bottom portion for engaging with a supporting surface. A sound generating device is secured to the bottom of the base and includes a switch button extended downward for engaging with the supporting surface. A spring may bias the switch button away from the supporting surface for allowing the switch button of the sound generating device to be actuated and depressed to energize the sound generating device when the base is depressed toward the supporting surface against the spring.

REFERENCES:
patent: 3991415 (1976-11-01), Baar, Sr.
patent: 4023151 (1977-05-01), Markham
patent: 4245219 (1981-01-01), Dempsey et al.
patent: 4924214 (1990-05-01), Hill
patent: 5210528 (1993-05-01), Schulman et al.
patent: 5264824 (1993-11-01), Hour

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