1
John L Wain: Entertainment machines. Barcrest, June 22, 1982: US04335809 (589 worldwide citation)

A coin-freed player-operable entertainment machine is connected via a transmission link, such as a telephone line, to a remote control device. The link may be used to tramsmit program information to a control system of the machine so that the game to be played with the machine can be changed as desi ...


2
John L Wain: Recording electrical information. Barcrest, Shoemaker and Mattare, March 27, 1979: US04146778 (14 worldwide citation)

Information concerning operation of a money or token taking machine is recorded with an electrical recording module which can subsequently be detached from the machine and read with a separate electrical reading device. A latching system is disclosed and may be used to prevent re-insertion of the mo ...