Registers – Calculators – Bar
Patent
1996-11-21
1998-03-24
Berhane, Adolf
Registers
Calculators
Bar
G06G 102
Patent
active
057315728
ABSTRACT:
A slide rule permits rapid calculations of parameters used in the Six Sigma quality analysis program. For a given number of defects per product and a known number of parts per product (opportunities), the device permits rapid calculation of the number of defects per million opportunities as well as various statistical relationships, with a single movement of the slide.
REFERENCES:
patent: 3736833 (1973-06-01), Alvardo
patent: 3747847 (1973-07-01), Cohen
patent: 4564750 (1986-01-01), Olsen
patent: 5137302 (1992-08-01), Angel
patent: 5449890 (1995-09-01), van Neck
patent: 5458376 (1995-10-01), Biewald
patent: 5458377 (1995-10-01), Utz et al.
Six Sigma Productibility Analysis and Process Characterization Hany et al, 1992, pp. 1-1 to 1-5, 2-4-2 and 5-11 to 5-13.
Berhane Adolf
Denson-Low Wanda K.
Hughes Electronics
Lindeen III Gordon R.
Sales Michael W.
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