Castro Valley, California
United States
20
2015-03-26
The entities that hold a legal rights for patent applications filed by inventor Petersen Ethan:
Ethan Petersen from Castro Valley, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Cancellation of light shunting
#2 | 2013-05-30LED drive circuit and method for using same
#3 | 2013-05-16Oximeter ambient light cancellation
#4 | 2012-12-13Cancellation of light shunting
#5 | 2012-09-27SIGNAL DEMODULATION
#6 | 2009-06-18Signal demodulation
#7 | 2009-01-01Oximeter ambient light cancellation
#8 | 2008-09-11Cancellation of light shunting
#9 | 2007-09-06Techniques for detecting heart pulses and reducing power consumption in sensors
#10 | 2007-06-14Multi-bit ADC with sigma-delta modulation
#11 | 2006-11-23Oximeter ambient light cancellation
#12 | 2006-11-23Switch-mode oximeter LED drive with a single inductor
#13 | 2005-08-25Delta-sigma modulator for outputting analog representation of physiological signal
#14 | 2005-08-25Oximeter cross-talk reduction
#15 | 2005-08-25LED forward voltage estimation in pulse oximeter
#16 | 2005-08-25Oximeter red and IR zero calibration control
#17 | 2005-08-25Oximeter ambient light cancellation
#18 | 2005-08-25Switch-mode oximeter LED drive with a single inductor
#19 | 2005-08-25Techniques for detecting heart pulses and reducing power consumption in sensors
#20 | 2005-08-25Multi-bit ADC with sigma-delta modulation
250046 ⎘