Co., Ltd.Video search system and deviceUS20110238698 *25 mars 201029 sept. 2011Rovi Technologies CorporationSearching text and other types of content by using a frequency domainUS20120195576 *12 avr. 20122 ao???t 2012Mitsuhiro HirabayashiRecording apparatus, reproduction apparatus, and file management methodUS20130007620 *27 juin 20123 janv. 2013Jonathan BarsookSystem and Method for Visual Search