Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Application No. | Application Title | Issue Date |
| 20100060224 | METHOD OF CONTROLLING SPEED OF BRUSHLESS MOTOR OF CEILING FAN AND THE CIRCUIT THEREOF The present invention relates to a method and a circuit of controlling a speed of a brushless motor of a ceiling fan. The circuit includes a motor PWM duty consumption sampling unit and a motor speed sampling to sense a PWM duty and a speed of the brushless motor. A cen... | 03/11/2010 |
