Item discrimination apparatus and method
AssigneeProtel, Inc.
InventorsStephen J. Hayes, Patrick R. Gorman
Life of this patent
Estimating the term…
Abstract
An item discriminating method and apparatus are provided for discriminating between an acceptable and unacceptable item. An apparatus for item discriminating preferably includes characteristics for determining selected characteristics of an item under test and a deviation value determiner responsive to the characteristic determiner for determining a deviation value between the item under test and predetermined statistical variables for the selected characteristics of a plurality of acceptable items. An accepting or rejecting device responsive to the deviation value determiner accepts or rejects the item under test based upon whether the deviation value falls within a predetermined range.
Claims16
A method for discriminating between an acceptable and unacceptable item, the method comprising the steps of:
- determining selected characteristics of an item under test;
- determining the difference between at least one scale value of the selected characteristics of the item under test and at least one mean value of the selected characteristics of a plurality of acceptable items;
- determining a deviation value between the item under test and predetermined statistical variables for the selected characteristics of the plurality of acceptable items from the determined difference;
- and
- accepting the item under test responsive to the deviation value being within a predetermined range of the predetermined statistical variables.
A method for discriminating between an acceptable and unacceptable metal member, the method comprising the steps of:
- determining selected electrical characteristics of a metal member under test;
- scaling values of the selected electrical characteristics of the metal member under test;
- determining the difference between at least one scale value of the selected electrical characteristics of the metal member under test and at least one mean value of the selected electrical characteristics of a plurality of acceptable items;
- determining a deviation value between the metal member under test and predetermined statistical variables for the selected electrical characteristics of the plurality of acceptable metal members from the determined difference;
- and
- accepting the member under test responsive to the deviation value being within a predetermined range of the predetermined statistical variables.
An apparatus for discriminating between an acceptable and unacceptable item, the apparatus comprising:
- characteristics determining means for determining selected characteristics of an item under test;
- scaling means responsive to said characteristics determining means for scaling the selected characteristics of the item under test;
- difference determining means for determining the difference between at least one scale value of the selected characteristics of the item under test and at least one mean value of the selected characteristics of the plurality of acceptable items;
- deviation value determining means responsive to said difference determining means for determining a deviation value between the item under test and predetermined statistical variables for the selected characteristics of a plurality of acceptable items;
- and
- accepting and rejecting means responsive to the deviation value determining means for accepting the item under test if the deviation value is within a predetermined range of the predetermined statistical variables and for rejecting the item under test if the deviation value is outside of the predetermined range.
An apparatus for discriminating between an acceptable and unacceptable metal member, the apparatus comprising:
- electrical characteristics determining means for determining selected electrical characteristics of a metal member under test;
- scaling means responsive to said characteristics determining means for scaling the selected characteristics of the metal member under test;
- difference determining means for determining the difference between at least one scale value of the selected characteristics of the metal member under test and at least one mean value of the selected characteristics of the plurality of acceptable metal members;
- deviation value determining means responsive to difference determining means for determining a deviation value between a metal member under test and predetermined statistical variables for the selected electrical characteristics of a plurality of acceptable metal members;
- and
- accepting and rejecting means responsive to the deviation value determining means for accepting the member under test if the deviation value is within a predetermined range of the predetermined statistical variables and for rejecting the metal member under test if the deviation value is outside of the predetermined range.
Dependencies are inferred from the claim text.