Originally posted by Ian McLean
Some US Patent research links. Enjoy.

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US Patent #2,995,633, August 8, 1961, "Means for Aiding Hearing" pdf

US Patent #3,170,993, February 23, 1965, "Means for Aiding Hearing by Electrical Stimulation of the Facial Nerve System" pdf

US Patent #3,393,279, July 16, 1968, "Nervous System Excitation Device" pdf

US Patent #3,566,347, Feb. 23, 1971, "Psycho-Acoustic Projector" pdf

US Patent #3,647,970, March 7, 1972, "Method and System of Simplifying Speech Waveforms" pdf

US Patent #3,773,049, Nov. 20, 1973, "Apparatus for the Treatment of Neuropsychic and Somatic Diseases with Heat, Light, Sound and VHF Electromagnetic Radiation" pdf

US Patent #3,951,134, April 20, 1976, "Apparatus And Method For Remotely Monitoring And Altering Brainwaves" html pdf

US Patent #4,034,741, July 12, 1977, "Noise Transmitter and Generator" html pdf

US Patent #4,191,175, March 4, 1980, "Method and Apparatus for Repetitively Producing a Noise-Like Audible Signal" html pdf

US Patent #4,227,516, Oct. 14, 1990, "Apparatus for Electrophysiological Stimulation" html pdf

US Patent #4,335,710, June 22, 1982, "Device for the Induction of Specific Brain Wave Patterns" html pdf

US Patent #4,395,600, July 26, 1983, "Auditory Subliminal Message System and Method" html pdf

US Patent #4,717,343, Jan. 5, 1988, "Method of Changing a Person's Behavior" html pdf

US Patent #4,777,529, October 11, 1988, "Auditory Subliminal Programming System" html pdf

US Patent #4,834,701, May 30, 1989, "Apparatus for Inducing Frequency Reduction in Brainwave" html pdf

US Patent #4,858,612, Aug. 22, 1989, "Hearing Device" html pdf

US Patent #4,877,027, Oct. 31, 1989, "Hearing System" html pdf

US Patent #4,883,067, Nov. 28, 1989, "Method and Apparatus for Translating the EEG into Music to Induce and Control Various Psychological and Physiological States and to Control a Musical Instrument" html pdf

US Patent #4,889,526, Dec. 26, 1989, "Non-Invasive Method and Apparatus for Modulating Brain Signals Through an External Magnetic Or Electric Field To Reduce Pain" html pdf

US Patent #5,036,858, Aug. 6, 1991, "Method And Apparatus For Changing Brain Wave Frequency" html pdf

US Patent #5,123,899, June 23, 1992, "Method and System for Altering Consciousness" html pdf

US Patent #5,134,484, July 28, 1992, "Superimposing Method and Apparatus Useful for Subliminal Messages" html pdf

US Patent #5,159,703, Oct. 27, 1992, "Silent Subliminal Presentation System" html pdf

US Patent #5,270,800, December 14, 1993, "Subliminal Message Generator" html pdf

US Patent #5,213,562, May 25, 1993, "Method of Inducing Mental, Emotional and Physical States of Consciousness, Including Specific Mental Activity in Human Beings" html pdf

US Patent #5,289,438, Feb. 22, 1994, "Method and System For Altering Consciousness" html pdf

US Patent #5,352,181, Oct. 4, 1994, "Method and Recording For Producing Sounds and Messages to Achieve Alpha and Theta Brainwave States and Positive Emotional States in Humans" html pdf

US Patent #5,356,368, Oct. 18, 1994, "Method and Apparatus for Inducing Desired States of Consciousness" html pdf

US Patent #5,392,788, Feb. 28, 1995, "Method And Device For Interpreting Concepts And Conceptual Thought From Brainwave Data And For Assisting For Diagnosis Of Brainwave Dysfunction" html pdf

US Patent #5,539,705, July 23, 1996, "Ultrasonic Speech Translator and Communication System" html pdf

US Patent #5,507,291, April 16, 1996, "Method And An Associated Apparatus For Remotely Determining Information As To Person's Emotional State" html pdf

US Patent #5,562,597, Oct. 8, 1996, "Method and Apparatus for Reducing Physiological Stress" html pdf

US Patent #5,586,967, Dec. 24, 1996, "Method and Recording or Producing Sounds and Messages To Achieve Alpha and Theta Brainwave States in Humans" html pdf



[edit on Jan 30th 2009 by Ian McLean]