×

Keyboard, Lighting Module for Keyboard and Electronic Apparatus

  • US 20100128427A1
  • Filed: 10/22/2009
  • Published: 05/27/2010
  • Est. Priority Date: 11/27/2008
  • Status: Active Grant
First Claim
Patent Images

1. A keyboard comprising:

  • a substrate;

    a plurality of keytops supported on the substrate;

    a membrane switch placed between the keytops and the substrate, the membrane switch having an electrically insulating membrane sheet on which a plurality of contacts operated by the keytops are formed;

    a light source mounted on the membrane sheet of the membrane switch;

    a conductor pattern formed on the membrane sheet and configured to supply an electric current to the light source; and

    a lightguide stacked on the membrane sheet and configured to lead light emitted by the light source to the keytops.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×