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US 8,810,379 B2Granted
Bed exit night light
OwnerDaniel R. Murphyinventor
Life of this patent
Estimating the term…
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.
Claims2
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.
4 more elements
A method of controlling room lighting a room with a bed, comprising:
- 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.
8 more elements
Dependencies are inferred from the claim text.