Patent application 14473670 (US), filed 2014-08-29
Publication number: US20150288513A1
Title: METHODS AND APPARATUS TO IDENTIFY MEDIA USING HASH KEYS
CPC codes: H04N  21/23418
H04N  21/2407
H04N  21/84
G06F  16/9014
G06F  16/683
H04H  60/56
H04N  21/2353
H04N  21/44008
H04N  21/835
Office action: rejection, dated 2015-10-15
Rejection reasons: subject_matter_101
indefiniteness_112
Final disposition: pending (2015-10-15)