Method for adapting the light intensity of the summation light to the external light
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United States of America Patent
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Oct 5, 1993
Grant Date -
N/A
app pub date -
Jan 28, 1992
filing date -
Jul 28, 1989
priority date (Note) -
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Abstract
A method and circuit arrangement for adapting the light intensity of the summation light (E.sub.i) of a room lit by internal light (E.sub.k) and external light (E'.sub.i) to the external light (E.sub.a), which varies with the time of day, in which the light intensity of the internal light is controlled in dependence on one or more control parameters according to a given function and the function can be varied according to individual preference, are to be arranged so as to provide means of making finer adjustments to the light intensity in a room. This is achieved by determining the function by a plurality of independently settable function values (11), each function value (11) being variable independently of other function values (11).
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