Patents
Patents for H03G 99 - Subject matter not provided for in other groups of this subclass (18)
10/2014
10/02/2014US20140294201 Audio calibration system and method
04/2014
04/24/2014US20140111276 Boost converter control for envelope tracking
12/2013
12/26/2013US20130342270 Envelope power supply calibration of a multi-mode radio frequency power amplifier
08/2013
08/22/2013US20130214858 Dynamic power supply employing a linear driver and a switching regulator
06/2013
06/20/2013CA2798943A1 Using a new synchronization scheme for a multi-channel class-d amplifier
05/2013
05/09/2013US20130113555 Power amplifier with improved power efficiency
03/2013
03/28/2013US20130076360 Power module and manufacturing process
08/2012
08/23/2012US20120212293 Boost charge-pump with fractional ratio and offset loop for supply modulation
07/2012
07/11/2012CN101405924B Power supply for limited power sources and audio amplifier using power supply
05/2012
05/15/2012US8180063 Audio signal processing system for live music performance
10/2011
10/06/2011US20110241776 Information handling system port security
03/2011
03/03/2011US20110050337 Supply voltage control device for amplifier
06/2009
06/30/2009CA2566784C Detection and elimination of oscillation within cellular network amplifiers
04/2009
04/08/2009CN101405924A Power supply for limited power sources and audio amplifier using power supply
03/2009
03/12/2009US20090066392 Electronic circuit for measuring a physical parameter supplying an analogue measurement signal dependent upon the supply voltage
10/2008
10/02/2008US20080240454 Audio signal processing system for live music performance
07/2007
07/26/2007WO2007082388A1 Power supply for limited power sources and audio amplifier using power supply
07/26/2007CA2635629A1 Power supply for limited power sources and audio amplifier using power supply