Digital accelerometer

Details Digital accelerometer Digital accelerometer

G - Physics

01

P

73/42

G01P 15/08 (2006.01) G01P 1/02 (2006.01)

Patent

CA 1238207

DIGITAL ACCELEROMETER Abstract A digital accelerometer comprising a linear analog accelerometer and a digitizer. The analog accelerometer includes a housing and conductor means extending outside the housing, and is adapted to produce on the conductor means an analog signal representing linear acceleration along one axis. A casing is positioned against the housing so as to form a substantially enclosed space between the housing and the casing. The digitizer is located within such enclosed space and receives the analog signal and produces a corresponding digital signal. Interface means may also be positioned within the enclosed space for receiving the analog signal and producing a second analog signal that is input to the digitizer. The digital signal produced by the digitizer may be conveyed to a location outside the enclosed space and housing by a flexible strip of insulating material having a plurality of conductive strips embedded therein. In a preferred embodiment the interface means includes an interface circuit operative to determine the magnitude of the second analog signal resulting from a particular first analog signal, whereby the dynamic range of the digital accelerometer can be modified by modifying only the interface circuit.

479018

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