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:
Dec. 30, 2003
Filed:
May. 27, 1999
Michael S. Pasieka, Thornwood, NY (US);
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
A system for providing security, such as copy protection, between a source device and a sink device, in accordance with the present invention, includes a first device including a list of certificates, each certificate of the list including a signature for identifying manufacturers of second devices. A second device is included for connecting to the first device, the second device including a list of certificates each certificate including a signature for identifying manufacturers of the first devices. At least one of the first device and the second device includes an adaptor for adapting a respective certificate list to provide entry of a new signature for identifying a new manufacturer of one of the first devices and the second devices.