Pressure controlled alarm clock system

Details Pressure controlled alarm clock system Pressure controlled alarm clock system

1996-11-29

1998-06-09

Hofsass, Jeffery A.

Communications: electrical

Condition responsive indicating system

Specific condition

200 85R, 368 12, G08B 2100

Patent

active

057641536

ABSTRACT:
A new Pressure Controlled Alarm Clock System for providing an alarm clock alarm which can not be turned off unless a user is removed from a bed, and where the alarm restarts if the user returns to the bed in a predetermined amount of time. The inventive device includes an alarm clock, a pressure switch normally open and in communication with the alarm clock to control the alarm, the pressure switch is positioned mesial a box spring and a mattress for determing if the user is in or out of the bed. The pressure switch further includes an adjustment member for adjusting the sensivity of the pressure switch. A heat sensing pad may be utilized as an alternative to the pressure switch thereby detecting the user's body heat near the surface of the mattress.

REFERENCES:
patent: 2460133 (1949-01-01), Pedus
patent: 3961201 (1976-06-01), Rosenthal
patent: 4020482 (1977-04-01), Feldl
patent: 4453052 (1984-06-01), Semian et al.
patent: 4638307 (1987-01-01), Swartout
patent: 4845323 (1989-07-01), Beggs
patent: 5118910 (1992-06-01), Duhon et al.

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