ELECTRONIC APPARATUS APPLYING SCRAMBLING DESCRAMBLING

Brand	Owner	Address	Description
MINICRYPT	Macrovision Corporation	2830 De La Cruz Boulevard Santa Clara CA 95050	electronic apparatus for applying scrambling/descrambling and security modification to video signals for video transmission and recording;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A method and apparatus for managing access to a signal representative of an event of a service provider, including receiving said signal in a smart card, said signal being scrambled using a scrambling key, receiving, in said smart card, data representative of a first share; constructing said scrambling key using said first share and at least one additional share, said additional share being stored in said smart card; and descrambling said signal using said constructed scrambling key to provide a descrambled signal, wherein the step of constructing said scrambling key comprises calculating the Y-intercept of the line formed on said Euclidean plane by said first, and said at least one additional share.