HEAD OF BED ANGLE MOUNTING, CALIBRATION, AND MONITORING SYSTEM
First Claim
13. A head of bed angle sensor comprisinga non-flexible housing having a first side and a second side spaced from the first side,a substrate fixed to the first side of the housing,an accelerometer mounted to the substrate, the accelerometer having a measurement axis usable to determine an angular position of a pivotable deck section of a bed, the accelerometer being mounted to the substrate to orient the measurement axis at a non-perpendicular angle relative to the force of gravity, andelectronics to transmit output signals from the accelerometer to a control unit of the bed.
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Accused Products
Abstract
A bed includes a frame, a head section coupled to the frame and movable relative to the frame between first and second angular positions, and a sensor operable to determine an angular position of the head section. The sensor is mounted to the head section of the bed at a specified angle. A bed control unit receives signals from the sensor, calibrates the sensor, and monitors the angular position of the head section of the bed relative to gravity.
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Citations
21 Claims
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13. A head of bed angle sensor comprising
a non-flexible housing having a first side and a second side spaced from the first side, a substrate fixed to the first side of the housing, an accelerometer mounted to the substrate, the accelerometer having a measurement axis usable to determine an angular position of a pivotable deck section of a bed, the accelerometer being mounted to the substrate to orient the measurement axis at a non-perpendicular angle relative to the force of gravity, and electronics to transmit output signals from the accelerometer to a control unit of the bed.
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17-1. The method of claim 17, wherein the first calibration constant is indicative of a mounting offset of the head of bed angle sensor, the second calibration constant is indicative of a zero-g offset of the head of bed angle sensor, and the third calibration constant is indicative of a sensitivity of the head of bed angle sensor.
Specification