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Perring S, Summers A, Jones EL, Bowen FJ, Hart K. A novel accelerometer tilt switch device for switch actuation in the patient with profound disability. 2003:84:921-3.We describe the design and operation of a new switch that can be operated by patients with severely limited movement. The basis for the switch is an inexpensive single-chip accelerometer device. The switch responds to a relatively rapid...
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