Bed exit night light
First Claim
Patent Images
1. A Bed-Exit Lighting System, comprising:
- a. a sensor that provides a signal to a control unit when a user leaves a bed;
b. a room light in the same room as the bed;
c. a means other than a photoelectric cell for detecting light in the vicinity of the bed which is connected to a control unit;
d. a relay between the room light and a power source to the room light that connects the power source to the room light upon receiving a control signal;
e. a control unit connected to the relay, that controls the relay so as to provide power to a room light when a user in the bed gets out of the bed when the room is dark; and
f. the control unit delays the monitoring of the bed sensor after the room light is turned off for a period of time, allowing a user to get into the monitored bed.
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Abstract
The invention is a Bed Exit Night Light System designed to illuminate a hospital room if a patient leaves his bed, but is not activated by the presence of hospital staff or casual movement of equipment.
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Citations
2 Claims
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1. A Bed-Exit Lighting System, comprising:
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a. a sensor that provides a signal to a control unit when a user leaves a bed; b. a room light in the same room as the bed; c. a means other than a photoelectric cell for detecting light in the vicinity of the bed which is connected to a control unit; d. a relay between the room light and a power source to the room light that connects the power source to the room light upon receiving a control signal; e. a control unit connected to the relay, that controls the relay so as to provide power to a room light when a user in the bed gets out of the bed when the room is dark; and f. the control unit delays the monitoring of the bed sensor after the room light is turned off for a period of time, allowing a user to get into the monitored bed.
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2. A method of controlling room lighting a room with a bed, comprising:
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a. monitoring the room light around a target bed until the room is dark; and
,b. monitoring a bed sensor that indicates the presence of a person in the bed; and
,c. energizing a control relay to provide power to the room light when the bed sensor detects that a person is leaving the bed and the room is dark; and
,d. ceasing operation once the room light is on, until the room light is independently turned off by an outside actor; and
then,e. waiting a period of time before beginning to monitor the bed sensor after the light is turned off by the outside actor; and
then,f. repeating this cycle.
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Specification