U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Method of facilitating computer sorting

Patent 4939639 Issued on July 3, 1990. Estimated Expiration Date: Icon_subject July 3, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Document sorting method
Patent #: 4295206
Issued on: 10/13/1981
Inventor: Cain ,   et al.

High-speed data sorter
Patent #: 4425617
Issued on: 01/10/1984
Inventor: Sherwood

Method of and apparatus for forming ideograms
Patent #: 4498143
Issued on: 02/05/1985
Inventor: Strzelecki

Computerized printing system
Patent #: 4632578
Issued on: 12/30/1986
Inventor: Cuff ,   et al.

Method using a programmed digital computer system for translation between natural languages
Patent #: 4706212
Issued on: 11/10/1987
Inventor: Toma

Method and means for automatically coding and inputting Chinese characters in digital computers
Patent #: 4758979
Issued on: 07/19/1988
Inventor: Chiao-Yueh

Sorting method and apparatus
Patent #: 4809158
Issued on: 02/28/1989
Inventor: McCauley

Translation system allowing user designation of postpositional words
Patent #: 4860206
Issued on: 08/22/1989
Inventor: Kugimiya ,   et al.

Method and apparatus for extending collation functions of a sorting program Patent #: 4873625
Issued on: 10/10/1989
Inventor: Archer, et al.

Inventors

Assignee

Application

No. 061510 filed on 06/15/1987

US Classes:

707/7, Sorting704/8, Multilingual or national language support704/10Dictionary building, modification, or prioritization

Examiners

Primary: MacDonald, Allen R.
Assistant: Ray, Gopal C.

Attorney, Agent or Firm

International Classes

G06F 007/08
G06F 015/38
G06F 007/00

Abstract

A method of facilitating the alphabetical dictionary sorting, by computer, of words based upon characters from a multilingual alphabet, especially the repertoire of characters defined in the new standard alphabet known as ISO 8859/1. This invention uses an encoding scheme to determine the language dependent sort orders for the characters defined in ISO 8859/1. This encoding scheme removes the dependency of sorting on the character set's internal collating representation. This method allows the same sorting software to support many (if not all) of the languages supported by the alphabet. By storing the language dependent sort orders as data files, the sorting software is immune to the user's language and hence is highly portable. The number of languages supported is directly proportional to the number of data files available.

Other References

  • IBM PC Assembly Language--Leo J. Scanlon, 1983, pp. 248-250, Microsoft MS-DOS
  • User's Guide and User's Reference, p. 29
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