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:
Dec. 30, 2003
Filed:
Nov. 22, 2000
Bror Svarfvar, Kaarina, FI;
Nokia Corporation, Espoo, FI;
Abstract
A keyboard and a method of arranging such a keyboard. The keyboard has a first side and a second side for providing information in an electronic device. The keyboard includes one electronic circuit located on the first side and another on the second side, and a spacer plate separating the electronic circuits. The spacer plate has a plurality of apertures to house a plurality of dome-shaped contacts, some facing the first circuit and some facing the second circuit. A plurality of keys located on both sides of the keyboard for pressing the dome-shaped contacts to make electrical contact with the facing electronic circuits. The spacer plate can be used as a light guide for illuminating the keyboard.