Inventor · Warrenville, IL, US

John L. E. Baldwin

21Patents
10h-index
7Co-inventors
68Inventor score

Filing activity: Jun 4, 1973 → Jun 23, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US5986640A Display device using time division modulation to display grey scale Physics 95 Expired
US5369433A Recording video signals on cinematographic film using a deformable mirror device Electricity 46 Expired
US4277807A Recording digital signals Electricity 32 Expired
US4563710A Digital television tape recording Electricity 26 Expired
US5362983A Thermoelectric conversion module with series connection Electricity 25 Expired
US5280353A Method and apparatus for signal processing by interpolation and filtering with simultaneous frequency response compensation and offset generation Electricity 17 Expired
US4216460A Transmission and/or recording of digital signals Physics 15 Expired
US5534948A Method and apparatus for reducing the effect of alias components produced through non-linear digital signal processing, such as gamma correction, by selective attenuation Electricity 15 Expired
US4280147A Digital television system and method Physics 14 Expired
US4352129A Digital recording apparatus Electricity 11 Expired
US4316223A Recording of digital signals Physics 10 Expired
US4199793A Digital recording Physics 8 Expired
US4051531A Television systems Electricity 7 Expired
USD348159S Roto display General 7 Expired
US5198897A Continuous-motion line-assembly telecine with misregistration correction Emerging Cross-Sectional Technologies 7 Expired
US4851837A Method and apparatus for processing digital signals prior to recording Physics 6 Expired
US5165068A Continuous-motion line-array telecine Electricity 6 Expired
US4271483A Delay circuits Electricity 5 Expired
US4246569A Digital recognition circuits Electricity 4 Expired
US4425588A Processing of digital signals Physics 3 Expired
USRE33001E Digital television tape recording General 0 Expired

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