The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 09, 2010
Filed:
Aug. 05, 2008
Kazutoyo Takata, Osaka, JP;
Takashi Tsuzuki, Osaka, JP;
Satoshi Matsuura, Kyoto, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A contents retrieval device () presenting an appropriate related keyword to a user even when an object user wishes to retrieve dynamically changes. The contents retrieval device () includes a contents estimation unit () retrieving contents according to a search keyword, a document space database () storing document spaces according to an occurrence frequency of the keyword, a document space selection unit () selecting a the narrowing-down document space and an expansion document space from the document space database () according to the search keyword and the occurrence frequency of the document space indicating a degree of relevance with the contents according to the search keyword, a related keyword estimation unit () selecting keywords corresponding to the narrowing-down document space and the expansion document space as a narrowing-down keyword and an expansion keyword, respectively, and an output unit displaying the selected narrowing-down and expansion keywords.