Data compression using run length encoding and statistical encoding
Patent 4626829 Issued on December 2, 1986. Estimated Expiration Date: 
August 19, 2005. 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.
August 19, 2005. 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 ReferencesInventorAssigneeApplicationNo. 06/767186 filed on 08/19/1985US Classes:341/63, To or from bit count codes341/106, Coding by table look-up techniques341/107, To or from code based on probability341/87, Unnecessary data suppression341/95, Byte length changed358/1.9, Attribute control358/461, Shade correction382/245Run-length codingExaminersPrimary: Shoop, William M. Jr.Assistant: Logan, Sharon D. Attorney, Agent or FirmInternational ClassesG06T 9/00 (20060101)H03M 7/46 (20060101) H03M 7/42 (20060101) AbstractA compression device which uses both run length encoding and statistical encoding. The run length encoding scheme uses a flag byte symbol which is disposed between a character signal and a run length symbol. The statistical encoding process uses multiple statistical encoding tables which are selected based upon previously occurring data. | |
