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. 17, 1996
Filed:
Jun. 09, 1994
Hisao Mase, Hirakata, JP;
Yasuharu Namba, Yao, JP;
Sachiko Koyama, Okazaki, JP;
Tadahiro Kiyama, Ichikawa, JP;
Hiroshi Tsuji, Itami, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A text retrieval method and a text retrieval apparatus for retrieving texts based on a handwritten keyword inputted from an optical character reader are provided. Respective characters of a keyword string are recognized by character recognizing device, and recognized characters of respective characters are stored in a recognized character table. At least one recognized character is extracted as proposed recognized characters of respective characters from recognized characters stored in the recognized character table, and a plurality of character strings are generated by combining one proposed character among proposed recognized characters of respective characters with one another and stored in a keyword string table. A retrieval command string for retrieving texts including at least one character string among generated character strings out of a text database is generated, and the text database is retrieved by the retrieval command, thus obtaining a retrieved result.