Inventor · Schaumburg, IL, US

Wayne E. Bretl

36Patents
11h-index
15Co-inventors
72Inventor score

Filing activity: Aug 18, 1980 → Aug 27, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6996133B2 Digital communication system for transmitting and receiving robustly encoded data Electricity 144 Expired
US6924753B2 Robust system for transmitting and receiving map data Emerging Cross-Sectional Technologies 100 Expired
US6917655B2 Coding and decoding a signal modified in accordance with the feedback states of an encoder Electricity 93 Expired
US6687310B1 Trellis coded modulation system for digital television signal with trellis coded data and synchronization symbols Electricity 79 Expired
US6529558B1 Coding and decoding a signal modified in accordance with the feedback states of an encoder Electricity 46 Expired
US7327790B1 MPEG on screen display coder for DTV interfaces Electricity 42 Expired
US7215714B2 Robust digital communication system Electricity 39 Expired
US5475438A Five field motion detector for a TV scan line doubler Electricity 34 Expired
US4554581A STV Decoder with improved data signal recognition capability Electricity 23 Expired
US4370674A Stabilization network for a cathode ray tube Electricity 19 Expired
US4907248A Error correction for digital signal transmission Electricity 14 Expired
US7558297B2 Robust digital communication system Electricity 10 Active
US4331971A Mode decision controller for selectively actuating a chrominance bandwith enhancement in a television receiver Electricity 9 Expired
US4829523A Error masking in digital signal transmission Physics 9 Expired
US6762698B2 Robust system for transmitting and receiving map data Emerging Cross-Sectional Technologies 8 Expired
US5173774A Dual purpose HDTV/NTSC receiver Electricity 8 Expired
US7975204B2 Robust digital communication system Electricity 8 Active
US4907069A Two-channel compatible HDTV system Electricity 7 Expired
US6765508B2 Robust system for transmitting and receiving map data Electricity 7 Expired
US9219629B1 Adaptive low complexity channel estimation for mobile OFDM systems Electricity 7 Active
US6985092B2 Robust system for transmitting and receiving map data Emerging Cross-Sectional Technologies 7 Expired
US4296435A Luminance signal processing circuit Electricity 6 Expired
US7187698B2 Robust digital communication system Electricity 6 Expired
US4342048A Automatic CRT tracking circuit Electricity 5 Expired
US6259481A Frame to field converter Electricity 3 Expired

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