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:
Apr. 04, 2000
Filed:
Jan. 30, 1997
Taro Morishita, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A text compression dictionary generation apparatus including: a frequency guideline calculation unit for calculating, with respect to a target compression rate, a frequency guideline for each character string having a length of at least two characters, required to occur in the text to cutout the target compression rate; a long character string cutout unit for cutting out a character string from the text having a length of at least two character which occurs at a frequency matching the corresponding frequency guideline of a character string, together with the actual frequency in the descending order of the length of the character string to generate a first static dictionary, while simultaneously generating a group of the remaining text not cut out and not matching the frequency guideline; a one-character symbol extraction unit for counting the frequency of each character of one-character string length from the group of remaining text not cutout to generate a second static dictionary; and an eventual static dictionary build up unit for generating an eventual static dictionary by adding the second static dictionary to the first static dictionary.