Patent application 14356148 (US), filed 2014-05-02
Publication number: US20140354352A1
Title: SELF-OSCILLATING CLASS-D AMPLIFIER AND SELF-OSCILLATING FREQUENCY CONTROL METHOD FOR SELF-OSCILLATING CLASS-D AMPLIFIER
CPC codes: H03F   3/217
H03F2200/333
H03K2005/00032
H03L   7/0812
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Final disposition: pending (2015-10-15)