Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Plural load device systems
Patent
1992-05-18
1994-05-03
Nguyen, Phu K.
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Plural load device systems
395155, 315383, G06F 1524
Patent
active
053095561
ABSTRACT:
A system which uses interactive graphics displayed on a viewing means to control and indicate the operating parameters of an instrument. The interactive graphics which are displayed at any point in time depend on the present state of the instrument. Only those controls and indicators which are relevant to the present state will be displayed, which simplifies the display and reduces operator confusion. When the state of the instrument changes, controls and indicators will be redisplayed so as to be relevant to the new state. A control means allows the operator to interact with controls so as to change the state of the instrument. The controls and indicators can be displayed on the viewing means in a way that simulates their physical appearance. A plurality of instruments may be present in the system; if so, the operator can choose which to control, while a subset of parameters of the other instruments can be viewed simultaneously. The preferred method uses a computer program to display the graphics and control the instruments.
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Hewlett--Packard Company
Nguyen Phu K.
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