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:
Sep. 22, 1998
Filed:
Jan. 27, 1997
Applicant:
Inventor:
Yvan Teres, Cressier, CH;
Assignee:
Asulab, S.A., Bienne, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ; G04C / ; G06F / ;
U.S. Cl.
CPC ...
368 10 ; 368 69 ; 345173 ;
Abstract
The device comprises a keyboard wherein each key is associated with an underlying sensor sensitive pad which controls the input of data associated with said key in response to an application of a finger on such key, such sensitive pads being closely set together within a closed contour (V.sub.1, V.sub.2 ; V'.sub.1, V'.sub.2) having, for a user, an upper part (V.sub.1) and a lower part (V.sub.2) respectively adjacent to first and second series of pads, such device being characterized in that the areas of the pads (10, 11, 12, 13; 7, 8, 9, .div.) of the first series are on the whole greater than the areas of the pads (3 to 9; 0, ., =, +) of the second series.