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:
Jul. 24, 2007

Filed:

Jan. 13, 2000
Applicants:

Daniel R. Tretter, Mtn. View, CA (US);

Thomas D. Kite, Beaverton, OR (US);

Qian Lin, Santa Clara, CA (US);

Hugh P. Nguyen, San Jose, CA (US);

Ping Wah Wong, Sunnyvale, CA (US);

Inventors:

Daniel R. Tretter, Mtn. View, CA (US);

Thomas D. Kite, Beaverton, OR (US);

Qian Lin, Santa Clara, CA (US);

Hugh P. Nguyen, San Jose, CA (US);

Ping Wah Wong, Sunnyvale, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09C 3/00 (2006.01); H04L 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An Internet-based printing system allows for the distribution and printing of documents and images in a secure, controlled manner. The system includes a secure printer that receives, decrypts and prints documents supplied by a document server. Security of the system is realized by an aggregate of a secure communication protocol, smart card technology and the computational infeasibility of breaking a public key cryptographic system. The system may be used for electronic commerce, in which copies are made on a 'pay-per-print' basis.


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