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:
Aug. 07, 2012

Filed:

Aug. 26, 2011
Applicants:

Hanzhong Zhang, Cypress, CA (US);

David J. Lovat, Huntington Beach, CA (US);

Inventors:

Hanzhong Zhang, Cypress, CA (US);

David J. Lovat, Huntington Beach, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/12 (2006.01); G06F 15/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system is provided for maintaining imaging device (IDev) accounting data. A primary accounting server (PAS) sends messages to an imaging device (IDev) and to a lightweight accounting back-up server (LABS). The PAS receives messages from the IDev and updates a primary IDev activity log (PIAL). The IDev receives messages from the Primary server and a LABS in communication with the IDev. The LABS sends and receives messages and data from the IDev and from the PAS. The IDev sends a record of its activity to the PAS when the PAS is available, and the PAS maintains a primary IDev activity log (PIAL). The IDev sends a record of its activity to the LABS when the PAS is not available and the LABs maintains a temporary IDev activity log (TIAL). The PAS updates the PIAL with the TIAL data after a period of unavailability.


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