Patent application 14086310 (US), filed 2013-11-21
Publication number: US20150117655A1
Title: KENNELLY CIRCLE INTERPOLATION OF IMPEDANCE MEASUREMENTS
CPC codes: H04R  29/001
H04R  29/00
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
subject_matter_101
Prior art cited: ref_id: 20050031117
ref_type: patent
severity: obviousness
Final disposition: rejected (2015-10-16)