Resources Contact Us Home
Ko; Choon Guan
Sungai Dua, MY
No. of patents:

Patent Number Title Of Patent Date Issued
8188399 Fitting a light guide sheet to a keypad using protrusions May 29, 2012
In an embodiment, the invention provides a keypad assembly comprising a keypad, a light guide sheet, a dome sheet, and a board. The keypad comprises at least one protrusion and at least one rib. The light guide sheet has openings that are smaller than a first portion of the at least
8172444 Light guide display with multiple light guide layers May 8, 2012
A light guide display includes a printed overlay layer, a first light guide layer, and a second light guide layer. The printed overlay layer includes an input region with a symbol that is at least partially translucent. The first light guide layer is disposed on a back side of the pr
8172413 Keypad assembly May 8, 2012
A keypad assembly having a light guide sheet having a first surface with a layer of graphics printed thereon, a second surface opposite the first surface, and an edge surface; and a flexible sheet having a central portion engaged with the light guide sheet second surface and having a
8142036 Keypad device with light source and reflector March 27, 2012
A device is disclosed having a keypad and an adjacent light guide with at least one light source. At least one reflector is provided, having at least an area thereof adjacent to the light source. At least a portion of the reflector is located either between the light source and the keypa
8035048 Illuminated keypad October 11, 2011
An illuminated keypad is disclosed herein. And embodiment of the keypad comprises a first zone and a second zone; a substrate comprising a substrate surface; a first switch located on the substrate in the first zone; a first light guide having a first light guide first side and a fir

  Recently Added Patents
Precoding codebooks for MIMO communication systems
Cognitive radio cooperative spectrum sensing method and fusion center performing cognitive radio cooperative spectrum sensing
Stereoscopic display
Femtocell one-to-many packet delivery
Maintenance guidance display device, maintenance guidance display method, and maintenance guidance display program
  Randomly Featured Patents
Image pickup device, automatic focusing method, automatic exposure method, electronic flash control method and computer program
Method and apparatus for selective acid diversion in matrix acidizing operations
Wellbore communication system
Substituted 1H-dihydropyrazoles, their preparation and use
Semiconductor pressure sensor and method for manufacturing the same
Wirelessly powered flexible tag
Method and apparatus for sealing the fill openings of hard gelatine capsules filled with liquid
Holding arrangement for a planar workpiece and at least one such holding arrangement
Gas spring for actuator
Hobby knife