Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Integrated light-guide and dome-sheet for keyboard illumination










Image Number 4 for United States Patent #6926418.

An integrated light guide for use in an electronic device having a plurality of key buttons to allow a user to input signals in the device, the light guide having a plurality of domes used as touch areas of the key buttons and a plurality of light escapement areas disposed at the domes. When coupled to a light source, a portion of the light received by the light guide from the light source escapes from the light escapement areas to illuminate the key buttons. Preferably, each dome has one or more electrically conducting patches provided under the dome such that when a touch area is pushed by the user, these patches are caused to interact with an electronic circuit placed under the light guide for activating a key.








 
 
  Recently Added Patents
Information processing apparatus and update information obtainment method
Surround sound effects provided by cell phones
Direct mode adapter based shortcut for FCoE data transfer
Adaptive take-off strips for smoothing ink consumption
Image processing system, image processing method and program for image processing
Energy storage device package
Systems and methods for managing policies on a computer
  Randomly Featured Patents
Quiet and efficient motor cooling fan assembly for a blender
Credit verification system
Suitcase
Device for shifting changes in the transmission ratio
Side table
Method and apparatus for controlling the power of a battery power source
Image-forming material and image formation process
Method and apparatus for managing parties to a multipoint conference using digital techniques
Knee-joint prosthesis
Heater system for an aircraft seat