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:
Sep. 16, 2003
Filed:
Jun. 24, 1999
Tokuyuki Hirai, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A file data retrieving device includes: an input section for inputting a search character string and various instructions; a storage section that previously stores a plurality of encoded file data; a decoding section for decoding the encoded file data by use of a cryptograph key prepared in advance; an extracting section for extracting, from the decoded file data, a file name and a plurality of key words related to the file data; an encoding section for encoding the extracted key words; a storage processing section for allowing the storage section to store the encoded key words as access keys of the file data in correspondence with the stored file data; and a retrieving section for allowing the encoding section to encode the search character string which is input by the input section for retrieving the file name of the encoded file data, searching for an access key that coincides with the encoded search character string, and retrieving the file name that corresponds to the access key. Also a recording medium contains a computer program for controlling the file data retrieving device.