Patents by Inventor Leonid D. Levin

Leonid D. Levin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4969097
    Abstract: A method and apparatus for rapidly entering text into a computing machine is described. An operator may enter text in abbreviated form using several simple rules to predict which abbreviated word forms will be correctly recognized. In the event of conflicts (where one abbreviated word matches more than one full text work), the operator selects the preferred resolution either on an individual or global basis.
    Type: Grant
    Filed: July 21, 1988
    Date of Patent: November 6, 1990
    Inventor: Leonid D. Levin
  • Patent number: 4760528
    Abstract: An abbreviated text entering system is described which provides a plurality of files each of which includes a full text word and a corresponding abbreviated word. In each of the files the abbreviated word is formed using a different rule, and at least one file is provided for words of five or more characters, a different file is provided for words including one of a plurality of predefined prefixes, a further file is provided for words including one or more predefined suffixes, and another file is provided for words which include one of a plurality of predefined prefixes and one of a plurality of predefined suffixes. Entered text is compared with the abbreviated word forms, and on a match, that full text word corresponding to the matched abbreviated text is stored in lieu of the entered text.
    Type: Grant
    Filed: September 18, 1985
    Date of Patent: July 26, 1988
    Inventor: Leonid D. Levin