The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 22, 1977
Filed:
Feb. 04, 1976
Applicant:
Inventors:
Jose R Silva, Laredo, TX (US);
John M Narrace, Laredo, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128 / ; 35 / ; 35 2 / ;
Abstract
Methods and apparatus are provided for deriving an audible indication of a person's brain wave frequency, and for actuating a tape player or the like to deliver a recorded program of material educational in content when said frequency reaches a preselected frequency value or range. Means may also be included for rendering the audible indication of the measured frequency of the subject person inaudible upon actuation of said tape player.