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.

Date of Patent:
Oct. 07, 2003

Filed:

Jun. 30, 1999
Applicant:
Inventors:

Benoit Jules Jurion, Seattle, WA (US);

Chakrapani Appalabattula, Bellevue, WA (US);

Steven Chai, Redmond, WA (US);

Assignee:

Microsoft Corporation, Redmond, WA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/500 ; G06F 1/720 ; G06F 1/727 ; G06G 5/00 ;
U.S. Cl.
CPC ...
G06F 1/500 ; G06F 1/720 ; G06F 1/727 ; G06G 5/00 ;
Abstract

A method and system for checking the validity of a sequence of input characters according to the syntactical rules of a selected language is provided. If an input character may not be appended to the previously input sequence according to the rules of the selected language, the newly input character may be prohibited from being appended to the sequence and displayed on the user's computer. Previously input and validated characters automatically may be replaced with a newly input character for formation and display of a valid sequence of characters containing the newly input character. A newly input character may be inserted between two characters of a previously validated sequence of characters. Previously input character sequences may be edited by determining the validity context of previously input sequences of characters.


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