| 摘要 |
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.
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