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US 5,656,935 AGranted
Variable color display system
OwnerKarel Havelinventor
Life of this patent
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Abstract
A variable color display system exhibits a display unit in a color in accordance with the value of a limit. The color signals are developed in accordance with the value of the limit and applied to a color control input of the display system to control its color substantially continuously.
Claims3
A display system comprising:
- a display device for exhibiting a display unit in a variable color, said display device including a color control input for substantially continuously controlling color of said display unit;
- means for developing by a continuously variable color technique a color control signal in accordance with a relation of said display unit to a limit;
- means for applying said color control signal to said color control input for controlling color of said display unit.
A display system comprising:
- a display device for exhibiting in a variable color an indication of a value of a signal, said display device including a color control input for substantially continuously controlling color of said indication;
- means for developing by a continuously variable color technique a color control signal in accordance with a relation of said value to a limit;
- means for applying said color control signal to said color control input for controlling color of said indication.
A display system comprising:
- a display device for exhibiting in a variable color a digital indication of a value of a signal, said display device including a color control input for substantially continuously controlling color of said digital indication;
- means for developing by a continuously variable color technique a color control signal in accordance with a relation of said value to a limit;
- means for applying said color control signal to said color control input for controlling color of said digital indication.
Dependencies are inferred from the claim text.