Switching amplifier using inductor current feedback

WH Hsieh - US Patent 8,451,057, 2013 - Google Patents
The present invention discloses a Switching amplifier that produces a linearly amplified
replica of an input signal, is highly efficient, and does not have the “dead time'problem …

Method and apparatus for reducing distortion in Class D amplifier

SR Hlibowicki - US Patent 8,421,535, 2013 - Google Patents
US8421535B2 - Method and apparatus for reducing distortion in Class D amplifier - Google
Patents US8421535B2 - Method and apparatus for reducing distortion in Class D amplifier …

Sliding mode audio class-D amplifier for portable devices

G Pillonnet, R Cellier, A Nagari, P Lombard… - … Integrated Circuits and …, 2013 - Springer
Audio class-D amplifiers are widely used in industrial and consumer portable electronic
devices, such as mobile phones, thanks to their high efficiency. However, these amplifiers …

Switching amplifier with pulsed current supply

WH Hsieh - US Patent 9,602,067, 2017 - Google Patents
John Daintith,“bipolar signal'. http://www. encyclopedia. com/doc/1O11-bipolarsignal. html. A
Dictionary of Computing 2004, origi nally published by Oxford University Press 2004, printed …

Adaptive threshold voltage for frequency input modules

JG Vazach - US Patent 8,981,756, 2015 - Google Patents
The present, invention provides a dynamic threshold for variable reluctance type sensors
that automatically adjust the detection threshold depending on the frequency of the received …

Switching amplifier with an inductor

WH Hsieh - US Patent 8,410,851, 2013 - Google Patents
Abstract pa A switching amplifying method or a switching amplifier for obtaining a linearly
amplified replica of an input signal, is highly efficient, and does not have the disadvantage of …

Switching amplifier with pulsed current source and sink

WH Hsieh - US Patent 8,760,230, 2014 - Google Patents
3,629,616 A 12, 1971 Walker 4,531,096 A 7/1985 Yokoyama 5,014,016 A 5, 1991 Anderson
5,115,205 A 5/1992 Holmes, Jr. 5,160,896 A 11/1992 Mccorkle 5,781,067 A 7, 1998 Tota …

Switching amplifying method and switching amplifier

WH Hsieh - US Patent 8,432,221, 2013 - Google Patents
100 an input signal, is highly efficient, and does not have the disadvantage of “dead
time'problem related to the class D amplifiers. Said Switching amplifying method comprises …

Switching amplifier and switching amplifying method

WH Hsieh - US Patent 8,416,020, 2013 - Google Patents
A switching amplifying method or a switching amplifier for obtaining one or more than one
linearly amplified replicas of an input signal, is highly efficient, and does not have the …

Switching amplifier with inductance means for transmitting energy

WH Hsieh - US Patent 8,525,587, 2013 - Google Patents
The present invention discloses a Switching amplifier that produces one or more than one
linearly amplified replicas of an input signal, is highly efficient, and does not have the'dead …