OPERATING UNIT
An operating element for a medical light includes an operating element for setting the size of a light field generated by the light, a screen for displaying the currently set size of the light field and an electronic interface for outputting control signals for the size of the light field to a control device of the light. The operating unit is configured to display a representation of at least one light body of the light, including a light cone emanating from the light body, on the screen and to change the shape of the light cone in the representation correspondingly on an adjustment of the size of the light field by means of the operating element.
1 . An operating unit ( 10 ) for a medical light comprising
at least one operating element ( 20 A) for setting the size of a light field generated by the light at a predefined position;
an electronic interface for outputting control signals for the size of the light field to a control device of the light; and
a screen ( 12 ) for displaying the currently set size of the light field, wherein the operating unit ( 10 ) is configured to display a representation ( 22 ) of at least one light body ( 24 ) of the light, including a light cone ( 28 ) emanating from the light body ( 34 ), on the screen ( 12 ) during the operation of the light and to change the shape of the light cone ( 28 ) in the representation ( 22 ) correspondingly on an adjustment of the size of the light field by means of the operating element ( 20 A).
2 . An operating unit in accordance with claim 1 ,
wherein the operating unit ( 10 ) is configured to change the shape of the light cone ( 28 ) in the representation ( 22 ) in real time on every adjustment process.
3 . An operating unit in accordance with claim 1 ,
wherein the representation ( 22 ) of the light body ( 24 ) and of the light cone ( 28 ) fills at least 40% of the total visible height of the screen ( 12 ).
4 . An operating unit in accordance with claim 1 ,
wherein the representation ( 22 ) of the light body ( 24 ) and of the light cone ( 28 ) fills at least 40% of the total visible width of the screen ( 12 ).
5 . An operating unit in accordance with claim 1 ,
wherein the representation ( 22 ) of the light body ( 24 ) and of the light cone ( 28 ) has a height of at least 20 mm.
6 . An operating unit in accordance with claim 1 ,
wherein the representation ( 22 ) of the light body ( 24 ) and of the light cone ( 28 ) has a width of at least 20 mm.
7 . An operating unit in accordance with claim 1 ,
wherein the representation ( 22 ) of the light body ( 24 ) is perspective.
8 . An operating unit in accordance with claim 1 ,
wherein a light field ( 30 ) is furthermore displayed in the representation ( 22 ), and wherein the operating unit ( 10 ) is configured also to change the size of the light field ( 30 ) in the representation ( 22 ) accordingly on an adjustment of the size of the light field by means of the operating element ( 20 A).
9 . An operating unit in accordance with claim 1 ,
wherein the screen ( 12 ) is touch-sensitive and the operating element ( 20 A) is integrated in the screen ( 12 ).
10 . An operating unit in accordance with claim 1 ,
wherein the operating element ( 20 A) is superimposed on the representation ( 22 ) of the light body ( 24 ) and of the light cone ( 28 ).
11 . An operating unit in accordance with claim 1 ,
wherein the operating unit ( 10 ) includes an operating element ( 20 B) for setting the brightness of a light source of the light, and wherein the operating unit ( 10 ) is configured to change the brightness of the light cone ( 28 ) in the representation ( 22 ) on the screen ( 12 ) accordingly on an adjustment of the brightness of the light source.
12 . An operating unit in accordance with claim 1 ,
wherein the operating unit ( 10 ) includes an operating element ( 20 C) for setting the color temperature of a light source of the light, and wherein the operating unit ( 10 ) is configured to change the hue of the light cone ( 28 ) in the representation ( 22 ) on the screen ( 12 ) on an adjustment of the color temperature of the light source.
13 . An operating unit in accordance with claim 12 ,
wherein an increase in the color temperature from a minimum value up to a maximum value is correlated with a change in the hue of the light cone ( 28 ) from orange over yellow to white in the representation ( 22 ) on the screen ( 12 ).
14 . An operating unit in accordance with claim 12 ,
wherein a color temperature of the light source of 4500 K in the representation ( 22 ) of the light cone ( 28 ) corresponds to a white hue.
15 . An operating unit in accordance with claim 1 ,
wherein a respective separate operating element ( 20 A, 20 B, 20 C) is provided for setting the size of a light field generated by the light at a predefined position, for setting the brightness of a light source of the light as well as for setting the color temperature of the light source.
16 . An operating unit in accordance with claim 1 ,
wherein the operating unit ( 10 ) includes an operating element on whose actuation an image is represented in different sizes on the screen ( 12 ).
17 . An operating unit in accordance with claim 1 ,
wherein a light exit surface ( 32 ) of the light body ( 24 ) is furthermore displayed in the representation ( 22 ).
18 . An operating element in accordance with claim 17 ,
wherein the light exit surface ( 32 ) has the same hue as a light field ( 30 ) displayed in the representation ( 22 ).