H - Electricity – 03 – K
Patent
H - Electricity
03
K
H03K 5/1252 (2006.01) G11B 20/22 (2006.01) H03M 1/06 (2006.01) H03H 17/02 (2006.01) H03M 1/08 (2006.01)
Patent
CA 2278908
A glitch filter processes overlapping time sequences of an odd number, N, of potentially corrupted sampled data values to determine the central value for a sorted ordering of each set of N values present for each time interval, t i This central value is taken as the output value for the current set of N input values (i. e. for time interval, t i). In the following time interval, t i + 1, the oldest of the previous N samples is discarded and a new sample is added to the set. This process repeats for each time interval. In an illustrative hardware embodiment, a circuit, such as a FPLA, uses the above- described technique to eliminate glitches occurring in signals otherwise being processed. In an illustrative software embodiment, a processor executes a software routine or computer program to similarly evaluate and eliminate glitches imposed on desired signals.
Kirby Eades Gale Baker
Lucent Technologies Inc.
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