Patent application 13784993 (US), filed 2013-03-05
Publication number: US20130230186A1
Title: Electronic Device And Direction Switching Method Of The Electronic Device
CPC codes: H04R   1/00
H04R   3/00
H04R   5/04
H04R2499/11
Office action: rejection, dated 2015-10-13
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20110045812
ref_type: patent
severity: obviousness
ref_id: 8588434
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-13)