Multistage digital filtering utilizing several criteria

Details Multistage digital filtering utilizing several criteria Multistage digital filtering utilizing several criteria

1980-12-05

1983-02-22

Malzahn, David H.

Boots, shoes, and leggings

364734, 3401463J, G06F 1531

Patent

active

043750818

ABSTRACT:
Apparatus for filtering a sequence of digital values representing a stroke of a stylus on a tablet averages sets of digital values, resamples the averaged digital values to accept only those having greater than a minimum amplitude separation and then averages sets of the resampled digital values.

REFERENCES:
patent: 3772502 (1973-11-01), Hodge et al.
patent: 3787827 (1974-01-01), Stout
patent: 3908116 (1975-09-01), Bjornsen
patent: 3946211 (1976-03-01), Jenkins, Jr.
patent: 4054786 (1977-10-01), Vincent
patent: 4153896 (1979-05-01), White
patent: 4193118 (1980-03-01), Nash et al.
patent: 4317182 (1982-02-01), Jakase et al.

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