As I researched technologies that could be used to extract / read biological signals, I stumbed across a great many, highly interesting, patents, held by various companies and individuals.
Take a look at these!
- Remote, non-contacting personnel bio-identification using microwave radiation
- Silent subliminal presentation system
- Auditory subliminal message system and method
- Psycho-acoustic projector
- Induced sound using microwave radiation
- Method and system for altering consciousness
- Subliminal acoustic manipulation of nervous systems
- Device for administering sound waves and/or a magnetic field to a patient
- Method and apparatus for affecting the autonomic nervous system
- Apparatus for measuring electric field radiation from living bodies
- Apparatus for modulating brain signals through an external magnetic field to reduce pain
- Apparatus and method for remotely monitoring and altering brain waves
- Apparatus for and method of processing a bioelectrical signal
- Method and device for implementing the radio frequency hearing effect