|
WO02075631A2
|
|
Market research database for category management
|
|
CA2308650A1
|
|
Method and system for market research data mining
|
|
CA2296188A1
|
|
Data warehouse having customizable hierarchy
|
|
CA2295419A1
|
|
Method and system for market research data mining
|
|
US6484158B1
|
|
Dynamic rule based market research database
|
|
US6078922A
|
|
Market research database having historical control designator
|
|
US6092069A
|
|
Market research database containing separate product and naked product information
|
|
CN1187923A
|
|
Video and data co-channel communication system
|
|
US5629739A
|
|
Apparatus and method for injecting an ancillary signal into a low energy density portion of a color television frequency spectrum
|
|
US5526427A
|
|
Universal broadcast code and multi-level encoded signal monitoring system
|
|
US5594934A
|
|
Real time correlation meter
|
|
CA2119970A1
|
|
Program monitoring system
|
|
US5488408A
|
|
Serial data channel metering attachment for metering channels to which a receiver is tuned
|
|
US5481294A
|
|
Audience measurement system utilizing ancillary codes and passive signatures
|
|
CA2106143A1
|
|
Universal broadcast code and multi-level encoded signal monitoring system
|
|
US5550928A
|
|
Audience measurement system and method
|
|
US5331544A
|
|
Market research method and system for collecting retail store and shopper market research data
|
|
US5305464A
|
|
Method and apparatus for determining channel to which a receiver is tuned
|
|
US5315093A
|
|
Market research method and system for collecting retail store market research data
|
|
US5243423A
|
|
Spread spectrum digital data transmission over TV video
|
