Sensor system for measuring angles and positions
OwnerAnton Rodiinventor
Life of this patent
Estimating the term…
Abstract
A sensor system is provided in which a digital absolute value of the particular position of a stationary part (stator) with respect to a part moving relative to it (rotor) is created, which is transferred in serial transmission to an evaluation circuitry, whereby transfer of the serial absolute value is induced each time by an external signal. In order to increase the resolution of the encoder, the change in absolute value is recorded each time in the sensor and finest interpolation is undertaken beginning each time from the time of the change. Finally, the absolute value is amended by the accumulated result of finest interpolation when interrogated by the external signal.
Claims14
A sensor system, comprising:
- an encoder including a stationary part and a movable part configured to be movable with respect to said stationary part;
- an evaluation circuitry operatively connected to said encoder;
- said encoder creating a digital absolute value of a position of said stationary part with respect to said movable part;
- and
- said encoder transferring the absolute value in serial transmission to said evaluation circuitry, the serial transmission of the absolute value being induced by an external signal;
- one of said encoder and said evaluation circuitry recording a change in the absolute value;
- and
- one of said encoder and said evaluation circuitry performing a finest interpolation with selectable absolute resolution beginning each time from a time of the change in the absolute value, and amending the absolute value by an accumulated result of the finest interpolation when interrogated by the external signal.
Dependencies are inferred from the claim text.