Inventor · Menlo Park, CA, US

Douglas E. Mandell

14Patents
12h-index
10Co-inventors
75Inventor score

Filing activity: Feb 26, 1986 → Apr 16, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US4799260A Variable matrix decoder Electricity 74 Expired
US5046098A Variable matrix decoder with three output channels Electricity 59 Expired
US4941177A Variable matrix decoder Electricity 52 Expired
US5544140A Storage medium and apparatus and method for recovering information from such medium by oversampling Electricity 51 Expired
US4940977A Adaptive-filter single-bit digital encoder and decoder and adaptation control circuit responsive to bit-stream loading Electricity 46 Expired
US5390256A Dynamic loader Electricity 25 Expired
US7448061B2 Frame synchronization in an ethernet NTP time-keeping digital cinema playback system Electricity 22 Active
US5710752A Apparatus using one optical sensor to recover audio information from analog and digital soundtrack carried on motion picture film Electricity 19 Expired
US5757465A Storage medium for carrying information encoded in two dimensions Electricity 18 Expired
US6211940A Selecting analog or digital motion picture sound tracks Electricity 16 Expired
US4829299A Adaptive-filter single-bit digital encoder and decoder and adaptation control circuit responsive to bit-stream loading Electricity 14 Expired
US5347509A Recovering digital information represented by multi-dimensionally encoded symbols carried by an information storage medium Electricity 12 Expired
US5608805A Dynamic loader Electricity 10 Expired
US10911869B2 Variable-frequency sliding band equalization for controlling sealed loudspeaker excursion Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.