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.

Date of Patent:
Jan. 02, 2001

Filed:

Apr. 14, 1998
Applicant:
Inventors:

Gerrit L. Verschuur, Lakeland, TN (US);

Chauncey T. Mitchell, Jr., Lakeland, TN (US);

Corneliu C. Leordeanu, Memphis, TN (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 7/10 ;
U.S. Cl.
CPC ...
G06K 7/10 ;
Abstract

The contents of sealed envelopes are accessed by detecting and digitizing a change in capacitance produced when a pattern of dielectric or conductive ink is passed by a sensitive capacitance sensor. The capacitance changes are converted into corresponding electrical patterns for further processing.


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