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US 2003/0165055 A1Published application
Surgical light
AssigneeBerchtold Holding GmbH, a German Corporation
InventorManfred Scholz
Life of this patent
Estimating the term…
Abstract
A surgical light has a device for the variation of the light field and a device for the setting of the luminous flux, with additionally a device being provided for the detection of a variation in the light field.
Claims15
A method for the control of the illuminance of a surgical light comprising:
- providing at least one lighting means;
- varying the size of a light field of the surgical light;
- detecting a variation of the light field;
- and
- varying a luminous flux of the surgical light by at least one of a control means and a regulation means as the light field varies such that the illuminance adopts a substantially constant desired value.
2 more elements
A surgical light comprising:
- at least one lighting means;
- a device for the variation of the size of the light field;
- and
- a device for the setting of the luminous flux of the surgical light;
- a device for the detection of a variation in the light field;
- and
- at least one of a control means and a regulation means for the automatic variation of the luminous flux of the surgical light in dependence on the variation in the light field.
4 more elements
Dependencies are inferred from the claim text.