| US 7,477,024 B2 | ||
| Sequential burst mode activation circuit | ||
| Yung-Lin Lin, Palo Alto, Calif. (US); Yu-Cheng Chang, Foster City, Calif. (US); and Bingwei Yao, Chofu (Japan) | ||
| Assigned to O2Micro International Limited, Frand Cayman (Cayman Islands) | ||
| Filed on Mar. 16, 2004, as Appl. No. 10/802,901. | ||
| Application 10/802901 is a continuation of application No. 10/299206, filed on Nov. 19, 2002, granted, now 6,707,264. | ||
| Application 10/299206 is a continuation of application No. 09/757265, filed on Jan. 09, 2001, granted, now 6,501,234. | ||
| Prior Publication US 2004/0183469 A1, Sep. 23, 2004 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. H05B 37/02 (2006.01) | ||
| U.S. Cl. 315—307 [315/244] | 5 Claims |
| 1. A method comprising:
generating a plurality of phase-shifted burst mode signals;
modulating power to a plurality of loads based on pulse width of said phase-shifted burst mode signals;
regulating power to said plurality of loads using respective said phase shifted burst mode signals;
generating a plurality of AC signals based at least in part on a respective phase-shifted burst mode signal; and
supplying said plurality of AC signals to said plurality of loads respectively.
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