Inventor · disambiguated record
Hsu-Feng Ho
Also filed as: HO HSU-FENG
19 granted patents·10 pending applications·40 citations·filing 2002–2011
91Inventor score
Top patents by PatentIndex Score
29 records- 0185US7394050B2Method of vertical deviation disc detectionMEDIATEK INC·Filed 2006·Granted Jul 1, 2008·6 cites·19 claims
- 0277US7257062B2Method for detecting eccentricity of an optical disc, and optical disc drive that performs the methodMEDIATEK INC·Filed 2004·Granted Aug 14, 2007·15 cites·13 claims
- 0370US8027230B2Apparatus having switchable servo gains and offsets for optical disk drive and method thereofMEDIATEK INC·Filed 2009·Granted Sep 27, 2011·1 cites·11 claims
- 0460US7272085B2Apparatus having switchable servo gains and offsets for optical disk drive and method thereofMEDIATEK INC·Filed 2004·Granted Sep 18, 2007·3 cites·12 claims
- 0559US7263041B2Method for measuring a tilt control value of a pickup head in an optical disk driveMEDIATEK INC·Filed 2004·Granted Aug 28, 2007·4 cites·7 claims
- 0659US7145855B2Method of controlling an optical disk drive by calculating a target frequency of a DPLL signalMEDIATEK INC·Filed 2002·Granted Dec 5, 2006·3 cites·7 claims
- 0758USRE41528EAdaptive brake force setting system in an optical recording deviceMEDIATEK INC·Filed 2007·Granted Aug 17, 2010·0 cites·29 claims
- 0858US2007280067A1Apparatus having switchable servo gains and offsets for optical disk drive and method thereofMEDIATEK INC·Filed 2007·Application pending·0 cites
- 0954US8111600B2Method of vertical deviation disc detectionWU SHANG-WEI·Filed 2008·Granted Feb 7, 2012·0 cites·6 claims
- 1054US7272093B2Apparatus for controlling an optical disk drive by calculating a target frequency of a DPLL signalMEDIATEK INC·Filed 2005·Granted Sep 18, 2007·0 cites·8 claims
- 1154US7242646B2Track locking method for optical disk drive and apparatusMEDIATEK INC·Filed 2004·Granted Jul 10, 2007·2 cites·11 claims
- 1254US2008019236A1Method for measuring a tilt control value of a pickup head in an optical disk driveMEDIATEK INC·Filed 2007·Application pending·0 cites
- 1353US8345520B2Method of vertical deviation disc detectionMEDIATEK INC·Filed 2011·Granted Jan 1, 2013·0 cites·5 claims
- 1450US6781469B2Phase-locked loop having phase detector error signal reshaping and method thereofMEDIATEK INC·Filed 2002·Granted Aug 24, 2004·6 cites·9 claims
- 1549US2011299373A1Apparatus having switchable servo gains and offsets for optical disk drive and method thereofHO HSU-FENG·Filed 2011·Application pending·0 cites
- 1644US2005006558A1Method of vertical deviation disc detectionMEDIATEK INC·Filed 2004·Application pending·0 cites
- 1743US8223617B2Device for reducing power consumption of optical drive and method for the sameTSENG CHAO-HSIN·Filed 2011·Granted Jul 17, 2012·0 cites·19 claims
- 1843US7154821B2Compensation method for detecting the seeking speed of an optical disk driveMEDIATEK INC·Filed 2004·Granted Dec 26, 2006·0 cites·13 claims
- 1943US6873578B2Adaptive brake force setting system in an optical recording deviceMEDIATEK INC·Filed 2002·Granted Mar 29, 2005·0 cites·12 claims
- 2043US2007019529A1Method and control system for output power control through dynamically adjusting relationship between output power and control valueHO HSU-FENG·Filed 2005·Application pending·0 cites
- 2142US7283432B2Method and device for correcting optical path deviation of an optical pickup in an optical recording systemMEDIATEK INC·Filed 2004·Granted Oct 16, 2007·0 cites·14 claims
- 2242US7142499B2Method and apparatus for automatically tuning pre-pit slicing levelMEDIATEK INC·Filed 2005·Granted Nov 28, 2006·0 cites·20 claims
- 2341US2005243664A1Method and device for long-range track seeking control in an optical storage systemMEDIATEK INC·Filed 2004·Application pending·0 cites
- 2439US8116191B2Device for reducing power consumption of optical drive and method for the sameTSENG CHAO-HSIN·Filed 2010·Granted Feb 14, 2012·0 cites·19 claims
- 2537US2005117473A1Method for calibrating a tilt angle of pickup head using a focus signalFiled 2004·Application pending·0 cites
- 2635US7233869B2Phase comparing method and apparatus in which a sampled periodic signal has a predetermined resolutionMEDIATEK INC·Filed 2005·Granted Jun 19, 2007·0 cites·26 claims
- 2735US2006072417A1Device for reducing power consumption of optical drive and method for the sameTSENG CHAO-HSIN·Filed 2004·Application pending·0 cites
- 2835US2007091756A1Method and apparatus of calibrating parameters utilized for determining servo signalsLEE CHI-JUI·Filed 2005·Application pending·0 cites
- 2932US2006285453A1Method and apparatus for stablizing servo closed-loop gain, pll clock and servo signal through setting appropriate gain value to servo closed-loop gain and holding pll clock and servo signal when power of pick-up head changesKUO CHUNG-JEN·Filed 2005·Application pending·0 cites
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