Detection warning system for caregivers in a home

Details Detection warning system for caregivers in a home Detection warning system for caregivers in a home

2006-12-19

2006-12-19

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S286070, C340S573100, C340S556000

Reexamination Certificate

active

07151457

ABSTRACT:
A detection warning system for caregivers in a home alerting a caregiver when a person exits a room, bed or walk through a doorway. This system comprises of two enclosures and an external reflector. A portable infrared emitter detector enclosure houses an emitter with a narrow, infrared beam, detector and transmitter. A portable receiving enclosure houses a receiver with an adjustable audio alarm. An emitter in the emitter detector enclosure emits an infrared beam to the reflector, which reflects the beam back to the detector. The detector senses when the beam is obstructed from reaching the reflector and energizes the transmitter. The transmitter receives the signal from the transmitter activating the adjustable audio alarm alerting a caregiver.

REFERENCES:
patent: 4196425 (1980-04-01), Williams et al.
patent: 5471198 (1995-11-01), Newham
patent: 5600305 (1997-02-01), Stafford et al.
patent: 6049281 (2000-04-01), Osterweil
patent: 2003/0038725 (2003-02-01), Slomowitz et al.
patent: 2004/0178910 (2004-09-01), Egger

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