Geographic-based signal detection

HH Andrews III, SF Rosove, TF Rodriguez - US Patent 9,648,199, 2017 - Google Patents
The disclosure relates generally to geographic-based signal detection. One claim recites an
apparatus comprising: an input for receiving a signal from a cell phone; an electronic …

Watermark extractor enhancements based on payload ranking

R Petrovic, JM Winograd, PG Downes - US Patent 9,251,549, 2016 - Google Patents
4,176,379 4,199,788 4,225,967 4,230,990 4,281.217 4,295,128 4.425, 578 4454, 610
4,464,656 4497, 060 4,512,013 4,547,804 4,564,862 4,593.904 4,639,779 4,669,089 …

Functionality watermarking and management

J Marshall, E Stuntebeck - US Patent 9,552,463, 2017 - Google Patents
(57) ABSTRACT A method, system and non-transitory computer-readable medium product
are provided for functionality watermark ing and management. In the context of a method, a …

Geographic-based detection keys

HH Andrews III, SF Rosove, TF Rodriguez - US Patent 7,991,190, 2011 - Google Patents
The present invention relates generally to signal processing and cell phones. One claim
recites a method comprising: receiving a signal from a cell phone; determining, based at …