The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 20, 1976
Filed:
Jan. 17, 1975
Applicant:
Inventors:
Edward B Stultz, Chesterfield, VA (US);
Thomas A Budne, Great Neck, NY (US);
Assignee:
Philip Morris Incorporated, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G / ;
U.S. Cl.
CPC ...
23515113 ; 235183 ; 235193 ; 131 / ;
Abstract
Standard deviation determining apparatus includes an integrator for integrating changes exhibited by a random variable, a circuit for selecting integrator output signals and a further circuit for averaging signals selected by the selecting circuit. The apparatus provides for periodic resetting of the integrator, for selecting integrator output signals occurring during predetermined time periods and for maintaining the integrator output constant in amplitude during the selecting of signals therefrom.