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.

Date of Patent:
Jan. 07, 2003

Filed:

Dec. 03, 1999
Applicant:
Inventor:

Jari Muurinen, Perniö, FI;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 1/794 ;
U.S. Cl.
CPC ...
H03K 1/794 ;
Abstract

A keypad arrangement is used for providing electrical information to an electronic device in response to a manual pressing action of a user. The keypad arrangement comprises a number of depressable keys ( ) within a certain keypad area. It comprises also an arrangement of essentially continuous conducting means ( ) next to the depressable keys. Connection creating means ( ) are associated with each depressable key for providing, as a response to the depression of a key, an electrical connection through said essentially continuous conducting means. The electrical characteristics of the created electrical connection uniquely identify the location of the depressed key in relation to said essentially continuous conducting means.


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