loadpatents
Patent applications and USPTO patent grants for Attwood; Brian E.The latest application filed is for "switching amplifiers".
Patent | Date |
---|---|
Switching amplifiers Grant 7,816,985 - Attwood , et al. October 19, 2 | 2010-10-19 |
Switching Amplifiers App 20090128237 - Attwood; Brian E. ;   et al. | 2009-05-21 |
Integrated PULSHI mode with shutdown Grant 7,078,963 - Andersen , et al. July 18, 2 | 2006-07-18 |
Electric circuit Grant 6,249,156 - Attwood June 19, 2 | 2001-06-19 |
Low power dc-dc converter Grant 5,629,841 - Attwood May 13, 1 | 1997-05-13 |
Non-coupled integrated magnetic structure Grant 5,394,319 - Attwood , et al. February 28, 1 | 1995-02-28 |
Audio amplifier with phase modulated pulse width modulation Grant 4,992,751 - Attwood , et al. February 12, 1 | 1991-02-12 |
Harmonic-resonant power supply Grant 4,692,851 - Attwood September 8, 1 | 1987-09-08 |
Pulse width modulated signal amplifier Grant 4,182,992 - Attwood January 8, 1 | 1980-01-08 |
Class D amplifier system Grant 4,178,556 - Attwood December 11, 1 | 1979-12-11 |
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