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:
Oct. 05, 1976
Filed:
Sep. 11, 1975
Applicant:
Inventors:
Gordon Wayne Holmlund, Oakland, CA (US);
Albert Barry Alden, San Francisco, CA (US);
Assignee:
The Institutes of Medical Sciences, San Francisco, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 30 ; 128 41 ; 340407 ;
Abstract
An improved electromagnetic tactile stimulator is disclosed for preferable use in a matrix array. A plurality of such stimulators are confronted to impart vibratory impulses of varying intensity to the skin of a subject to augment typically lost sensual modality such as sight or sound. Each electromagnetic tactile stimulator is in the form of a solenoid having a magnetically polarized plunger.