Boots – shoes – and leggings
Patent
1995-03-15
1997-05-13
Mai, Tan V.
Boots, shoes, and leggings
364745, G06F 1710, G06F 738
Patent
active
056298811
ABSTRACT:
A method and a circuit configuration for filtering a digital value with improved noise behavior include adding a digital input value and a feedback value to form a digital output value. The feedback value is equal to a first variable from which a second variable is subtracted, from which the second variable shifted m places to the right is subtracted, and to which the first variable is added. The first variable is equal to a bottom m bits of a previous digital output value and always represents a positive value. The second variable is equal to a previous first variable from which a previous second variable shifted arithmetically by m bits to the right is subtracted. The feedback value is calculated with at least one additional least significant bit until at least a last addition with the first variable. Subsequently, an expansion is no longer taken into account.
REFERENCES:
patent: 4727506 (1988-02-01), Fling
patent: 4755961 (1988-07-01), Kuriki et al.
patent: 4809207 (1989-02-01), Nillesen
patent: 5278552 (1994-01-01), Ito
Introduction to Digital Signal Processing (Proakes et al.) 1988, Macmillan Publishing, Chapter 10, pp. 739-794.
Gazsi Lajos
Leeb Ferenc
Greenberg Laurence A.
Lerner Herbert L.
Mai Tan V.
Siemens Aktiengesellschaft
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