Brain wave inducing system

Details Brain wave inducing system Brain wave inducing system

1997-01-31

1999-09-21

Dvorak, Linda C. M.

Surgery

Sleep or relaxation inducing therapy

Sensory

600 26, 600 28, A61M 2100

Patent

active

059546298

ABSTRACT:
Sensors are provided for detecting brain waves of a user, and a band-pass filter is provided for extracting a particular brain waves including an .alpha. wave included in a detected brain wave. The band-pass filter comprises a first band-pass filter having a narrow pass band, and a second band-pass filter having a wide pass band. One of the first and second band-pass filters is selected, and a stimulation signal is produced in dependency on an .alpha. wave extracted by a selected band-pass filter. In accordance with the stimulation signal, a stimulation light is emitted to the user in order to induce the user to relax or sleeping state.

REFERENCES:
patent: 5241967 (1993-09-01), Yasushi et al.
patent: 5495853 (1996-03-01), Yasushi
patent: 5613498 (1997-03-01), Yasushi et al.

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