1
Gerhard Tivig, Wilhelm Meier, Egon Pfeil: Medical monitoring system interface. Hewlett Packard Company, Richard F Schuette, October 8, 1991: US05056059 (155 worldwide citation)

An input device, in particular for a medical monitoring system, comprises a keyboard, a screen and a control processor. The keyboard comprises various hardkeys enabling access to an object mode in which the user may enter an object to be manipulated. Once an object is selected, the device enters a t ...


2
Gerhard Tivig, Wilhelm Meier, Egon Pfeil: Medical monitoring system with softkey control. Hewlett Packard Company, February 23, 1993: US05189609 (68 worldwide citation)

An input device, in particular for a medical monitoring system, comprises a keyboard, a screen and a control processor. The keyboard comprises various hardkeys enabling access to an object mode in which the user may enter an object to be manipulated. Once an object is selected, the device enters a t ...