Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Ko; Choon Guan
Address:
Sungai Dua, MY
No. of patents:
5
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
Portable gaming device and gaming system combining both physical and virtual play elements
Inhibitors of bacterial nitric oxide synthase, and related screening methods
Panel for decoration
Liquid crystal display device
Visual universal decryption apparatus and methods
Process cartridge and electrophotographic image forming apparatus
Low offset, fast response voltage controlled current source and controlling method thereof
  Randomly Featured Patents
Control system for electrically-operated trailer landing gear
Lightweight power tools
Apparatus for casting metal alloys with low melting temperatures
Dental materials based on ROMP composites
Method and system for measuring three-dimensional displacement
Medical device and methods of use of glaucoma treatment
Sealing gland
Electrical cordset
Sectional rotary joint
Construction of body of motor vehicle