Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2000-03-31
2001-05-29
Wu, Daniel J. (Department: 2632)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S572800, C340S575000, C340S568200, C340S687000
Reexamination Certificate
active
06239704
ABSTRACT:
BACKGROUND OF THE INVENTION
Individuals who are physically challenged because of illness, disability or age, are frequently confined to a bed, wheelchair, or other situation in which their mobility is greatly limited. Such persons often require assistance in living, but typically, their activities cannot be monitored constantly around the clock. If such an individual attempts to leave a bed, chair, etc. or falls out of a wheelchair or bed, they may lie in an injured condition for a period of time that could endanger their health or even their life. Although the prior art shows numerous alarm devices or devices that can be actuated by the individual, if an individual is unconscious, or if the individual although conscious attempts to leave a chair or bed voluntarily when they should not do so, the person caring for the individual needs to be warned. The prior art does not disclose any satisfactory device that can be produced and marketed at a reasonable cost to provide protection for such individuals. There is therefore a need for a relatively simple and inexpensive device that can produce a warning when an individual moves from a situation either voluntarily or involuntarily resulting in possible injury to the individual.
SUMMARY OF THE INVENTION
The invention provides a device which consists of an alarm that is battery powered. The device has means for attaching the alarm component to a bed, wheelchair, etc. and attaching an alarm cord directly to the individual or the individual's clothing. When the individual moves beyond a predetermined range, the alarm cord will pull an actuator pin from the alarm causing the alarm to give off an audible warning.
REFERENCES:
patent: 3887909 (1975-06-01), Beiswenger et al.
patent: 4858622 (1989-08-01), Osterweil
patent: 5653336 (1997-08-01), Buonaiuto et al.
patent: 5910768 (1999-06-01), Ott
patent: 5995854 (1999-11-01), Wilson
patent: 6049286 (2000-04-01), Forr
Nemmers James C.
Professional Security Corporation
Tang Son
Wu Daniel J.
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