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:
Jan. 27, 2009
Filed:
Feb. 01, 2002
Rachad Alao, Sunnyvale, CA (US);
Alain Delpuch, Paris la Defense Cedex, FR;
Jose Henrard, Paris, FR;
Matthew Huntington, Twickenham, GB;
Waiman Lam, Union City, CA (US);
Taylor Kidd, Redwood City, CA (US);
Vincent Dureau, Palo Alto, CA (US);
Rachad Alao, Sunnyvale, CA (US);
Alain Delpuch, Paris la Defense Cedex, FR;
Jose Henrard, Paris, FR;
Matthew Huntington, Twickenham, GB;
Waiman Lam, Union City, CA (US);
Taylor Kidd, Redwood City, CA (US);
Vincent Dureau, Palo Alto, CA (US);
OpenTV, Inc., San Francisco, CA (US);
Abstract
A service gateway provides a proxy between a client protocol and a plurality of standard communication protocols. The service gateway provides asymmetrical routing, data compression and encryption to optimize client processing power and communication link bandwidth. The service gateway enables content translation between clients and service providers. The service gateway keeps track of client available memory and sequence numbers in messages to generate error codes when applicable. A store and forward message capability is provided along with abstract session identifiers. The service gateway supports user datagram protocol.