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:
Jun. 11, 2002

Filed:

Sep. 21, 1999
Applicant:
Inventors:

Kenneth Lindsay York, Huntington Valley, PA (US);

Thayer Lindsay York, Huntington Valley, PA (US);

Assignee:

Unisys Corporation, Blue Bell, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03M 7/00 ; H03M 7/38 ;
U.S. Cl.
CPC ...
H03M 7/00 ; H03M 7/38 ;
Abstract

In a data decompression system of the type having a self-compiling dictionary for building or replicating codes used for decoding incoming code values, there is provided a decoded string dictionary or memory for storing plural characters representing decoded strings. The decoded strings may be stored in a modified dictionary replacing string codes or stored in a separate variable length memory as blocks of characters having predetermined length and accessed using a finder memory. If the decoded string becomes too long to be stored in a fixed length memory, a conventional decoder dictionary may be used to reduce the size of the strings stored for direct access and read out to a recovered data stream.


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