1
Alfred Brian Edwin Ellis: Programmable keyboard arrangements. The Marconi Company, Baldwin Wight & Brown, May 11, 1976: US03956745 (63 worldwide citation)

A programmable keyboard of the kind in which a member presents a plurality of discrete areas to a co-operating probe, each of which areas produces a unique signal when addressed by the probe, is provided with a liquid crystal display to identify the current function of a particular area. Separate ad ...


2
Alfred Brian Edwin Ellis: Television transmission. The Marconi Company, Baldwin Wight & Brown, October 26, 1976: US03988529 (1 worldwide citation)

A method of reducing the transmission bandwidth for television pictures is described in which the frame is divided into at least three fields each consisting of picture information from an apparently random distribution of picture elements and the transmitted signals are obtained by sampling the vid ...