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:
Aug. 15, 1989
Filed:
Apr. 01, 1988
Applicant:
Inventors:
Robert W Sisson, Norwalk, CT (US);
Richard A Connell, South Salem, NY (US);
Assignee:
Pitney Bowes Inc., Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
G01G / ; G01G / ;
U.S. Cl.
CPC ...
1772 / ; 177-1 ; 177 50 ;
Abstract
Apparatus and method of determining the authenticity of a signal indicative of the mass of an article being weighted. The article is placed upon the platform, and the platform is caused to oscillate and the period of harmonic motion is measured. One of or both the frequency of oscillation and amplitude of the transducer signal is monitored for purposes of determining authentication.