Silva supermind cassettes8/16/2023 ![]() for hypnosis by the use of a particular sense, or stimulus by the sight sense A61M2021/0044- Other devices or methods to cause a change in the state of consciousness Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g.for hypnosis by the use of a particular sense, or stimulus by the hearing sense A61M2021/0027- Other devices or methods to cause a change in the state of consciousness Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g.for hypnosis by the use of a particular sense, or stimulus A61M2021/0005- Other devices or methods to cause a change in the state of consciousness Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g.A61M21/00- Other devices or methods to cause a change in the state of consciousness Devices for producing or ending sleep by mechanical, optical, or acoustical means, e.g.A61M- DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR.A61- MEDICAL OR VETERINARY SCIENCE HYGIENE.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Tye Rubins filed Critical Tye Rubins Priority to US07/878,825 priority Critical patent/US5306228A/en Priority to US08/164,001 priority patent/US5409445A/en Priority to US08/216,684 priority patent/US6071229A/en Application granted granted Critical Publication of US5306228A publication Critical patent/US5306228A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US07/878,825 Inventor Tye Rubins Original Assignee Tye Rubins Priority date (The priority date is an assumption and is not a legal conclusion. Google Patents US5306228A - Brain wave synchronizerÄownload PDF Info Publication number US5306228A US5306228A US07/878,825 US87882592A US5306228A US 5306228 A US5306228 A US 5306228A US 87882592 A US87882592 A US 87882592A US 5306228 A US5306228 A US 5306228A Authority US United States Prior art keywords control signal frequency signal user light Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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