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. 23, 1993
Filed:
Sep. 21, 1990
Applicant:
Inventor:
Pierre Fagard, Montigny le Bretonneux, FR;
Assignee:
Sextant Avionique, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
340407 ; 341 22 ; 341 27 ;
Abstract
A method and device for stimulating the finger of an operator acting on a static keyboard, which method consists in making at least part of the keyboard mobile on which the finger of the user bears at least partially when it actuates a key, detecting at least one component of the force exerted by the finger on the keyboard during such actuation and causing a pre-established movement of the mobile part of the keyboard when the value of this component exceeds or has exceeded a threshold value.