Method and apparatus for changing brain wave frequency
March 22, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3884218 Method and apparatus for repetitively producing a noise-like audible signal Apparatus for electrophysiological stimulation Biofeedback device for recognition of wave component and muscle potential component Learning-relaxation device Apparatus for inducing frequency reduction in brain wave Method and apparatus for translating the EEG into music to induce and control various psychological and physiological states and to control a musical instrument Patent #: 4883067 InventorsApplicationNo. 497426 filed on 03/22/1990US Classes:600/545, With feedback of signal to patient600/27Sensory (e.g., visual, audio, tactile, etc.)ExaminersPrimary: Howell, Kyle L.Assistant: Nasser, Robert L. Attorney, Agent or FirmInternational ClassA61B 005/04AbstractA method for changing brain wave frequency to a desired frequency determines a current brain wave frequency of a user, generates two frequencies with a frequency difference of a magnitude between that of the current actual brain wave frequency and the desired frequency but always within a predetermined range of the current actual brain wave frequency, and produces an output to the user corresponding to the two frequencies. One apparatus to accomplish the method has a computer processor, a computer memory, EEG electrodes along with an amplifier, a programmable timing generator responsive to the computer processor for generating the two frequencies, audio amplifiers and a beat frequency generator driving a visual frequency amplifier.Other References
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