Calculation module
First Claim
1. A calculation module for calculating the position of a moveable element, the calculation module being operable to;
- receive an input signal,detect a first plurality of corresponding features in the input signal,calculate the spacing between successive features of the first plurality of corresponding features,generate a first numerical sequence in accordance with the spacing between successive features of the first plurality of corresponding features,detect a second plurality of corresponding features in the input signal,calculate the spacing between successive features of the second plurality of corresponding features, andgenerate a second numerical sequence in accordance with the spacing between successive features of the second plurality of corresponding features.
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Accused Products
Abstract
A calculation module for calculating the position of a mechanical element, the calculation module being operable to receive an input signal, detect a first plurality of corresponding features in the input signal, calculate the spacing between successive features of the first plurality of corresponding features, generate a first numerical sequence in accordance with the spacing between successive features of the first plurality of corresponding features, detect a second plurality of corresponding features in the input signal, calculate the spacing between successive features of the first plurality of corresponding features, and generate a second numerical sequence in accordance with the spacing between successive features of the first plurality of corresponding features.
21 Citations
50 Claims
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1. A calculation module for calculating the position of a moveable element, the calculation module being operable to;
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receive an input signal, detect a first plurality of corresponding features in the input signal, calculate the spacing between successive features of the first plurality of corresponding features, generate a first numerical sequence in accordance with the spacing between successive features of the first plurality of corresponding features, detect a second plurality of corresponding features in the input signal, calculate the spacing between successive features of the second plurality of corresponding features, and generate a second numerical sequence in accordance with the spacing between successive features of the second plurality of corresponding features. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A calculation module for calculating the position of a mechanical element, the calculation module being operable to;
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receive an input signal, detect a plurality of corresponding features in the input signal, calculate the spacing between successive corresponding features, generate a numerical sequence in accordance with the spacing between successive corresponding features, and generate verification information associated with the numerical sequence to indicate possible errors in the numerical sequence. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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39. An apparatus comprising, a movable mechanical element, a marking, a calculation module for calculating the position of a moveable element, the calculation module being operable to;
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receive an input signal, detect a first plurality of corresponding features in the input signal, calculate the spacing between successive features of the first plurality of corresponding features, generate a first numerical sequence in accordance with the spacing between successive features of the first plurality of corresponding features, detect a second plurality of corresponding features in the input signal, calculate the spacing between successive features of the second plurality of corresponding features, and generate a second numerical sequence in accordance with the spacing between successive features of the second plurality of corresponding features and a reader responsive to the marking to generate an input signal which is passed to the calculation module. - View Dependent Claims (40, 41, 42, 43, 44)
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45. An apparatus comprising a movable mechanical element, a marking, a calculation module for calculating the position of a mechanical element, the calculation module being operable to;
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receive an input signal, detect a plurality of corresponding features in the input signal, calculate the spacing between successive corresponding features, generate a numerical sequence in accordance with the spacing between successive corresponding features, and generate verification information associated with the numerical sequence to indicate possible errors in the numerical sequence. and a reader responsive to the marking to generate an input signal which is passed to the calculation module. - View Dependent Claims (46, 47, 48, 49, 50)
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Specification