Patent application 14095808 (US), filed 2013-12-03
Publication number: US20140163971A1
Title: METHOD OF USING A MOBILE DEVICE AS A MICROPHONE, METHOD OF AUDIO PLAYBACK, AND RELATED DEVICE AND SYSTEM
CPC codes: H04M   1/72412
H04M   1/21
H04M   1/6008
H04R   3/00
H04R   3/12
H04R2420/03
H04R2420/05
H04R2420/07
H04R2499/11
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20070094366
ref_type: patent
severity: obviousness
Final disposition: pending (2015-10-15)