Block coding into 24 coordinates and detection of transmitted signals
Patent 4733401 Issued on March 22, 1988. Estimated Expiration Date: 
June 10, 2006. 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.
June 10, 2006. 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 3506961 3792355 3900721 Signal encoder using orthogonal transform Data transmission with block coding Patent #: 4630288 InventorAssigneeApplicationNo. 06/872594 filed on 06/10/1986US Classes:375/259, SYSTEMS USING ALTERNATING OR PULSATING CURRENT370/208, Particular set of orthogonal functions375/261Quadrature amplitude modulationExaminersPrimary: Griffin, Robert L.Assistant: Chin, Stephen Attorney, Agent or FirmInternational ClassH04L 27/34 (20060101)AbstractIn data transmission data is block encoded into 24 signal values determined by pattern vectors of a Leech matrix, detected and decoded. The decoder and, optionally, the decoder is (are) designed to operate with pattern vector from a Leech matrix which has been modified from the conventional form to the form: | |
