sections for audio and video into a single bank. Chief engineer Richard Altwasser was responsible for the ZX Spectrum's hardware design. His main contribution...

September 2006. Retrieved 23 August 2006. EP patent 0107687, Richard Francis Altwasser, "Display for a computer", issued 6 July 1988, assigned to Sinclair Research...

Around the same time, Vickers and his Sinclair counterpart, Richard Altwasser, left their respective companies to start the Jupiter Ace project. When...