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Patent applications and USPTO patent grants for Tsai; Nan Long.The latest application filed is for "fan motor with constant speed control by a microprocessor system".
Patent | Date |
---|---|
Fan motor with constant speed control by a microprocessor system Grant 6,481,974 - Horng , et al. November 19, 2 | 2002-11-19 |
Fan Motor With Variable Frequency/constant Speed Control App 20020109478 - Horng, Alex ;   et al. | 2002-08-15 |
Fan motor with constant speed control by a microprocessor system App 20020110457 - Horng, Alex ;   et al. | 2002-08-15 |
Variable speed fan motor controlled by a reference voltage App 20020109475 - Horng, Alex ;   et al. | 2002-08-15 |
Fan motor having two-stage speed control Grant 6,396,231 - Horng , et al. May 28, 2 | 2002-05-28 |
Fan motor with its speed controlled by operating periods of a pulse wave Grant 6,385,395 - Horng , et al. May 7, 2 | 2002-05-07 |
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