Method and apparatus for monitoring audio listening
Method and apparatus for recognizing broadcast information using
Method and apparatus for routing confidential information
Method and system for identifying data locations associated...
Method and system for the control of voting by telephone
Method for performing an inquiry in a telecommunications...
Methods and apparatus for identifying a digital audio signal
Mobile base station for disseminating information
Mobile station randomizing of message transmission timing to...
Mobile station randomizing of message transmission timing to...
Multi-band wireless communication device and method
Non-video path data collection device
Non-video path data collection device
Pay broadcasting system
Pay broadcasting system
Pay broadcasting system having a broadcasting station and a char
PC/TV usage tracking and reporting device
Phone enabled direct response
Point of purchase video distribution system
Portable radio listening status recorder