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:
May. 29, 1990
Filed:
Sep. 26, 1988
Applicant:
Inventors:
Joseph Truchsess, City Island, NY (US);
Michael Matthews, New York, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
250221 ; 250215 ;
Abstract
A light-sensitive device is placed so as to receive a portion of the ambient light energy present within the mouth of the operator. The amount of ambient light impinging upon the sensing device is then modulated by movement of the lips and teeth of the operator, controlling some external process.