Cheah; Chiang-Sun
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheah; Chiang-Sun.The latest application filed is for "multiple input optical navigation system".
- Cheah; Chiang-Sun - Penang MY
- Cheah; Chiang Sun - Bagan Lallang MY
- Cheah; Chiang Sun - Butterworth MY
- Cheah; Chiang Sun - US
| Patent | Date |
|---|---|
| Computer pointing device with motion-driven electromagnetic induction module Grant 8,305,343 - Cheah , et al. November 6, 2 | 2012-11-06 |
| Multiple input optical navigation system Grant 8,232,966 - Cheah , et al. July 31, 2 | 2012-07-31 |
| Optical navigation device adapted for navigation on a transparent plate Grant 7,965,278 - Cheah , et al. June 21, 2 | 2011-06-21 |
| Optical navigation system and method for reducing the power consumption of the system Grant 7,839,388 - Cheah , et al. November 23, 2 | 2010-11-23 |
| Driving circuit adapted for use in optical mice Grant 7,737,949 - Cheah , et al. June 15, 2 | 2010-06-15 |
| Optical navigation system with multiplexed image processing Grant 7,728,817 - Cheah , et al. June 1, 2 | 2010-06-01 |
| Optical navigation system with adjustable operating Z-height Grant 7,701,565 - Cheah , et al. April 20, 2 | 2010-04-20 |
| Directional input device with knob Grant 7,677,754 - Cheah March 16, 2 | 2010-03-16 |
| Optical mouse with barcode reading function Grant 7,679,605 - Cheah , et al. March 16, 2 | 2010-03-16 |
| Image acquisition timing system and method Grant 7,652,241 - Cheah , et al. January 26, 2 | 2010-01-26 |
| Multiple Input Optical Navigation System App 20090295718 - Cheah; Chiang Sun ; et al. | 2009-12-03 |
| Optical navigation apparatus and method for making the apparatus Grant 7,615,733 - Koay , et al. November 10, 2 | 2009-11-10 |
| Optical Navigation Apparatus And Method For Making The Apparatus App 20090159780 - Koay; Ban Kuan ; et al. | 2009-06-25 |
| Multi-axis optical encoders Grant 7,525,085 - Saidan , et al. April 28, 2 | 2009-04-28 |
| Optical Navigation Device Adapted For Navigation On A Transparent Plate App 20080158158 - Cheah; Chiang Sun ; et al. | 2008-07-03 |
| Vertical light source package App 20080087991 - Cheah; Chiang Sun ; et al. | 2008-04-17 |
| Color enhanced optical mouse Grant 7,355,160 - Cheah , et al. April 8, 2 | 2008-04-08 |
| Driving circuit adapted for use in optical mice App 20070268254 - Cheah; Chiang Sun ; et al. | 2007-11-22 |
| Optical navigation system and method for reducing the power consumption of the system App 20070262243 - cheah; Chiang Sun ; et al. | 2007-11-15 |
| Multi-axis optical encoders App 20070241270 - Saidan; Saiful Bahari ; et al. | 2007-10-18 |
| Directional input device with knob App 20070242060 - Cheah; Chiang Sun | 2007-10-18 |
| Optical navigation system with adjustable operating Z-height App 20070236456 - Cheah; Chiang Sun ; et al. | 2007-10-11 |
| Optical navigation system with multiplexed image processing App 20070236455 - Cheah; Chiang Sun ; et al. | 2007-10-11 |
| Color enhanced optical mouse App 20070215792 - Cheah; Chiang Sun ; et al. | 2007-09-20 |
| Optical navigation device having a variable depth of field App 20070091064 - Cheah; Chiang Sun ; et al. | 2007-04-26 |
| Method and apparatus for providing a visual indication of a position of a steerable wheel, and components thereof App 20070032932 - Yeoh; Chin Heong ; et al. | 2007-02-08 |
| Eliminating mechanical spring with magnetic forces App 20060267933 - Tai; Li Chong ; et al. | 2006-11-30 |
| Optical mouse with barcode reading function App 20060192761 - Cheah; Chiang Sun ; et al. | 2006-08-31 |
| Computer pointing device with motion-driven electromagnetic induction module App 20060066568 - Cheah; Chiang-Sun ; et al. | 2006-03-30 |
| Optical game controller App 20050215320 - Koay, Ban Kuan ; et al. | 2005-09-29 |
| Image acquisition timing system and method App 20050151721 - Cheah, Chiang Sun ; et al. | 2005-07-14 |
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