INDEX ISSUED PERIODICALLY ON

Brand	Owner	Address	Description
CURRENT CHEMICAL REACTIONS	CAMELOT UK BIDCO LIMITED	70 St. Mary Axe London EC3A8BE United Kingdom	[ INDEX ISSUED PERIODICALLY ON NEW CHEMICAL REACTIONS AND CHEMICAL SYNTHESES ];INFORMATION RETRIEVAL SERVICES ON CHEMICAL REACTIONS AND CHEMICAL SYNTHESES;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A satellite broadcast conditional access system with key synchronization uses indexing of an authorization stream to quickly restart the decrypting process after short carrier fades and after carrier switches. The authorization stream includes cyphered seeds and index numbers which are sequentially sent to a group of receivers. The same authorization stream can also be broadcast multiple times to the group of receivers. A conditional access server selects a starting index number and increments the index number by a predefined value. The receivers have a memory to save the current index number for the authorization stream. Any receiver that loses its connection to the broadcast and thereafter reestablishes its connection can retrieve the latest index number being issued in the authorization stream and compare it with the stored index number. When the index numbers match or are within a defined threshold, the receiver will continue to decypher the seeds and decrypt the transport stream.