Patent application 13981149 (US), filed 2013-07-23
Publication number: US20130335372A1
Title: TOUCH SCREEN DEVICE AND METHOD THEREOF FOR SENSING APPROACH
CPC codes: G06F   3/04166
G06F   3/0446
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
Prior art cited: ref_id: 20090309851
ref_type: patent
severity: obviousness
ref_id: 20120050211
ref_type: patent
severity: obviousness
Final disposition: rejected (2015-10-15)