MONITORING SYSTEM
First Claim
1. A monitor, comprising:
- an enclosure having an interior cavity;
a pressure transducer in communication with the enclosure, the pressure transducer having an electrical output indicative of pressure within the cavity in response to an entity applying a force to the enclosure;
a filtering circuit receiving the electrical output and filtering the electrical output to generate an output signal indicative of pulse activity of the entity applying the force; and
a controller in communication with the filtering circuit and receiving the output signal, the controller tests whether the output signal alternately reaches a first high threshold within a first period of time and a first low threshold within a second period of time, the controller reports a pulse condition for the entity if the output signal does not reach the appropriate tested first high threshold or first low threshold within the appropriate period of time.
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Accused Products
Abstract
A monitor comprises a pad having an airtight interior cavity, a pressure transducer, two filtering circuits, a controller, a set of lights and a speaker. An entity sits, lies on, or otherwise applies a force to the pad, which causes a change in pressure within the airtight cavity. The pressure transducer, in communication with the pad, measures the change in pressure and outputs an electrical signal indicative thereof. The filtering circuits filter the output of the transducer to create a signal indicative of breathing of the entity applying force to the pad and a signal indicative of the pulse of the entity applying force to the pad. A controller uses the output of the filters to determine whether the entity is experiencing a breathing condition and/or heart condition. The controller actuates lights, speakers and/or other output devices to report the sensed conditions.
11 Citations
27 Claims
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1. A monitor, comprising:
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an enclosure having an interior cavity; a pressure transducer in communication with the enclosure, the pressure transducer having an electrical output indicative of pressure within the cavity in response to an entity applying a force to the enclosure; a filtering circuit receiving the electrical output and filtering the electrical output to generate an output signal indicative of pulse activity of the entity applying the force; and a controller in communication with the filtering circuit and receiving the output signal, the controller tests whether the output signal alternately reaches a first high threshold within a first period of time and a first low threshold within a second period of time, the controller reports a pulse condition for the entity if the output signal does not reach the appropriate tested first high threshold or first low threshold within the appropriate period of time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for monitoring, comprising:
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sensing information about pressure within a cavity and generating a first electrical signal indicative of the information about pressure in the cavity; filtering the first electrical signal to generate a second electrical signal indicative of an activity of an entity applying a force to the cavity; determining whether the second electrical signal reaches a high threshold within a first period of time; reporting a condition if it is determined that the second electrical signal does not reach the high threshold within the first period of time; determining whether the second electrical signal reaches a low threshold within a second period of time, after the determining whether the second electrical signal reaches the high threshold within the first period of time; and reporting the condition if it is determined that the second electrical signal does not reach the low threshold within the second period of time. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A method for monitoring, comprising:
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sensing pressure changing in a cavity in response to an entity applying a force to the cavity and creating a first signal indicative of the pressure change; creating a second signal from the first signal that is indicative of respiration activity of the entity; creating a third signal from the first signal that is indicative if pulse activity of the entity; and determining whether the entity has stopped applying forces to the cavity based on the second signal and the third signal. - View Dependent Claims (22, 23, 24, 25)
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26. A heart activity monitor for a human, comprising:
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an enclosure having an interior cavity; a pressure transducer in communication with the interior cavity of the enclosure, the pressure transducer creating an first electrical signal indicative of changes in pressure within the cavity in response to motion of the human; an electrical detector responsive to the first electrical signal, the electrical detector generating a second electrical signal indicative of pulse activity of the human; and a controller responsive to the second electrical signal, the controller determining whether the output signal reaches a first high threshold within a first period of time and a first low threshold within a second period of time, and reporting a pulse condition for the human if the output signal does not reach the first high threshold or the first low threshold within the respective first and second periods of time.
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27. A monitor, comprising:
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an enclosure having an interior cavity; a pressure transducer in communication with the enclosure, the pressure transducer having an electrical output indicative of pressure within the cavity in response to an entity applying a force to the enclosure; a filtering circuit receiving the electrical output and filtering the electrical output to generate an output signal indicative of breathing activity of the entity applying the force; and a controller in communication with the filtering circuit and receiving the output signal, the controller tests whether the output signal alternately reaches a first high threshold within a first period of time and a first low threshold within a second period of time, the controller reports a pulse condition for the entity if the output signal does not reach the appropriate tested first high threshold or first low threshold within the appropriate period of time.
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Specification