Patent assignee · US · COMPANY

Discovision Associates

336Patents
1Active
336Granted
43Portfolio score

Filing activity: Jul 1, 1977 → Feb 16, 2005 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5956519A Picture end token in a system comprising a plurality of pipeline stages Electricity 240 Expired
US5984512A Method for storing video information Electricity 194 Expired
US5603012A Start code detector Electricity 183 Expired
US6799246B1 Memory interface for reading/writing data from/to a memory Electricity 178 Expired
US6581025B2 Time and work tracker for wireless devices Electricity 173 Expired
US4797752A Information storage carrier and method for storing duplicate information Physics 172 Expired
US5793818A Signal processing system Electricity 169 Expired
US6359938B1 Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing Electricity 141 Expired
US5724537A Interface for connecting a bus to a random access memory using a two wire link Electricity 128 Expired
US5809270A Inverse quantizer Electricity 124 Expired
US5953311A Timing synchronization in a receiver employing orthogonal frequency division multiplexing Electricity 113 Expired
US4495623A Digital data storage in video format Physics 109 Expired
US5703793A Video decompression Electricity 108 Expired
US5815114A Positioning system and method Physics 106 Expired
US5635864A Comparator circuit Electricity 105 Expired
US6741529B1 Method and apparatus for moving carriage assembly from initial position to target position and optical disc system including same Electricity 91 Expired
US4375091A Method and apparatus for information retrieval from an optically readable storage medium Physics 89 Expired
US4406000A Tracking system for optical record medium Physics 87 Expired
US5768629A Token-based adaptive video processing arrangement Electricity 87 Expired
US7095783B1 Multistandard video decoder and decompression system for processing encoded bit streams including start codes and methods relating thereto Electricity 85 Expired
US5729511A Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal Electricity 83 Expired
US5956741A Interface for connecting a bus to a random access memory using a swing buffer and a buffer manager Electricity 80 Expired
US5875158A Servo control system for information storage device Electricity 79 Expired
US5768561A Tokens-based adaptive video processing arrangement Electricity 77 Expired
US4571716A Method and apparatus for scanning a recording medium for defects Physics 77 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.