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Class 340/825.02 - Tree or cascade


Subclass of Class 340 - Communications: electrical
Definition: Subject matter having alternatively operable circuitry branches
No. of applications: 1
Last issue date: 05/01/2008


Application No.Application TitleIssue Date
20080101415PRIVATE DATA TRANSMISSION VIA AN ANALOG BROADCAST TRANSMISSION
A method and system for sending private data to a subscriber via a broadcast analog transmission is provided. A service provider assigns to each subscriber a unique key that specifies a sub-channel (i.e., frequency) that is within a predetermined channel (i.e., broadcas... 		05/01/2008
 
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