<p>Mentally challenged persons such as autistic children and Alzheimer's patients can become lost and they are hard to find because they have difficulty communicating or they are confused and disoriented. The present invention provides an apparatus, system and methods for locating lost persons whether they are indoors or outdoors. The apparatus comprises a cellular telephone unit which can be activated by a RF signal and which a child or patient can wear. The wearable unit can be activated by a caregiver's smart phone having a locating application installed therein. The locating application enables the caregiver to locate the lost person using radio direction finder triangulation when the lost person is within a few hundred feet of the caregiver. When the lost person is further away, the locating application employs eel! Phone tower triangulation or the wearable unit GPS/Assisted GPS application to determine an approximate location of the lost person.</p>
申请公布号
WO2013148132(A1)
申请公布日期
2013.10.03
申请号
WO2013US30173
申请日期
2013.03.11
申请人
DANIELLE'S BUDDY
发明人
SHAKESPEARE, WALTER, JEFFREY;CROMPTON, CLARENCE, WILLIAM;LEVITT, LAWRENCE, P.;VAKNIN, SHARONE;WALLACE, PHILLIP, WILLIAM