238000001914 filtration Methods 0.000 claims description 3.230000003213 activating Effects 0.000 claims description 5.238000005286 illumination Methods 0.000 claims description 8.230000000875 corresponding Effects 0.000 claims description 8.230000000007 visual effect Effects 0.000 claims description 12.230000001939 inductive effect Effects 0.000 claims abstract description 8.239000002131 composite material Substances 0.000 claims abstract description 10.210000004556 Brain Anatomy 0.000 title claims abstract description 50.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 claimed from US08/164,001 external-priority patent/US5409445A/en Priority claimed from US08/216,684 external-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 signal frequency light user Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.