Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8247758 | Optical jog wheel with spiral coding element | Chee Foo Lum, Weng Fei Wong, Timothy James Orsley | 2012-08-21 |
| 7784694 | Reflective encoder with lens on code strip | — | 2010-08-31 |
| 7780258 | Media sensor with polarization filter | Yee Loong Chin | 2010-08-24 |
| 7732756 | User navigation device with a code wheel and an encoder | Chee Foo Lum, Weng Fei Wong | 2010-06-08 |
| 7675026 | Optical jog wheel with spiral coding element | Chee Foo Lum, Weng Fei Wong, Timothy James Orsley | 2010-03-09 |
| 7619210 | Encoder with a combined position and index track | Weng Fei Wong, Chee Foo Lum | 2009-11-17 |
| 7619209 | Encoder with a combined position and index track | Weng Fei Wong, Chee Foo Lum | 2009-11-17 |
| 7544924 | Directional input device with a light directing shaft | Boon Keat Tan, Yee Loong Chin | 2009-06-09 |
| 7507950 | Encoder with a combined position and index track | Weng Fei Wong, Chee Foo Lum | 2009-03-24 |
| 7399956 | Optical encoder with sinusoidal photodetector output signal | Weng Fei Wong, Chee Foo Lum, Song Wah Ooi, Keen-Hun Leong, Yik Foong Soo +2 more | 2008-07-15 |
| 7385178 | Reflective encoders with various emitter-detector configurations | Yee Loong Chin, Weng Fei Wong, Saiful Saidan, Cheng Why Tan, Wee Jin Yeap | 2008-06-10 |
| 7317183 | High performance reflectivity optical encoder with a protrusion between lenses | Weng Fei Wong, Yee Loong Chin | 2008-01-08 |
| 7265339 | Encoder interpolation apparatus | Kean Foong Ng | 2007-09-04 |
| 7262714 | Interpolating encoder utilizing a frequency multiplier | — | 2007-08-28 |
| 7182258 | Enhanced reflective optical encoder | Weng Fei Wong, Yee Loong Chin | 2007-02-27 |
| 7145127 | Optical encoding that utilizes total internal reflection | Yee Loong Chin, Chee-Keong Chong | 2006-12-05 |
| 6998601 | Dual-axis optical encoder device | Yee Loong Chin | 2006-02-14 |