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:
Mar. 02, 1999
Filed:
Oct. 08, 1993
Applicant:
Inventors:
Hyung-Kun Paul Kim, Wilton, CT (US);
Robert A Cordery, Danbury, CT (US);
Leon A Pintsov, West Hartford, CT (US);
Assignee:
Pitney Bowes Inc., Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
380 21 ; 380 51 ; 380 55 ; 705401 ; 705405 ;
Abstract
A key control system comprises the generation of a first set of keys which are then used for a plurality of respective postage meters. The keys are then related to a respective meter in accordance with a map or algorithm. The keys may be changed by entering the second key via an encryption using the first key.