Inventor · Lebanon, NJ, US

Joel Zdepski

58Patents
25h-index
46Co-inventors
88Inventor score

Filing activity: Sep 7, 1989 → Apr 28, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5825884A Method and apparatus for operating a transactional server in a proprietary database environment Electricity 561 Expired
US5122875A An HDTV compression system Electricity 289 Expired
US5289276A Method and apparatus for conveying compressed video data over a noisy communication channel Electricity 253 Expired
US5111292A Priority selection apparatus as for a video signal processor Electricity 221 Expired
US6006256A System and method for inserting interactive program content within a television signal originating at a remote network Electricity 215 Expired
US5371547A Apparatus for excising (and reinserting) specific data from a compressed video data stream to reduce its transmission bandwidth Electricity 173 Expired
US5937331A Protocol and system for transmitting triggers from a remote network and for controlling interactive program content at a broadcast station Electricity 162 Expired
US6606746B1 Interactive television system and method for displaying a graphical user interface using insert pictures Electricity 160 Expired
US5148272A Apparatus for recombining prioritized video data Electricity 152 Expired
US6445738B1 System and method for creating trick play video streams from a compressed normal play video bitstream Electricity 146 Expired
US5442400A Error concealment apparatus for MPEG-like video data Electricity 141 Expired
US5455629A Apparatus for concealing errors in a digital video processing system Electricity 136 Expired
US5247363A Error concealment apparatus for HDTV receivers Electricity 130 Expired
US5565923A Apparatus for formatting a digital signal to include multiple time stamps for system synchronization Electricity 73 Expired
US5828788A System for processing data in variable segments and with variable data resolution Electricity 58 Expired
US5089888A Moving-image signal encoding apparatus with variably selected quanitization step size Electricity 55 Expired
US6931660B1 Interactive television system and method for simultaneous transmission and rendering of multiple MPEG-encoded video streams Electricity 53 Expired
US5376969A Method and apparatus for conveying compressed video data over a noisy communication channel Electricity 50 Expired
US10631042B2 Methods and systems for enabling communications between devices Electricity 49 Active
US5486864A Differential time code method and apparatus as for a compressed video signal Electricity 47 Expired
US5889561A Method and apparatus for scaling a compressed video bitstream Electricity 39 Expired
US5467137A Method and apparatus for synchronizing a receiver as for a compressed video signal using differential time code Electricity 36 Expired
US5886733A Method and apparatus for successive refinement of broadcasted video frames Electricity 33 Expired
US6553072B1 System for encoding and decoding layered compressed video data Electricity 32 Expired
US5387940A Method and apparatus for providing scaleable compressed video signal Electricity 32 Expired

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