Patents related to interpreting what the brain is doing.
Remote system that transmits a specific radio wave signal designed to interfere with the brain's activity in a way that yields readable results as to the brain's state that can then be analysed.
A way of analysing responses to pictures, diagrams etc. using what looks like and eeg (described as a brain wave detector), they note the fact it can be used on groups of multiple people to spot consistent changes in emotions and to read individuals brainwaves in a crowd, they claim people were tested against different intensities of certain types of picture.