Illuminating arrangement for illuminating an object with inciden

Details Illuminating arrangement for illuminating an object with inciden Illuminating arrangement for illuminating an object with inciden

1990-02-26

1991-08-06

Lazarus, Ira S.

Illumination

Plural light sources

With modifier

362249, 362252, 356237, 359656, F21V 3300

Patent

active

050382586

ABSTRACT:
The invention relates to an illuminating arrangement for illuminating an object with incident light wherein the angle of the incident light is selectable. The illuminating arrangement includes a plurality of individual light sources which can be switched on and off. The light sources are advantageously arranged in several concentric circles in different planes from which the light can be radiated along different beam axes. An illumination at different selectable angles is possible without a mechanical adjustment of the light sources or the imaging elements. The light sources can be advantageously mounted in a hemispherically-shaped carrier. The illuminating arrangement can be a component of a closed control loop and be controlled quickly and completely automatically via an image processing unit or by manual instructions of desired values via a control console.

REFERENCES:
patent: 4450579 (1984-05-01), Nakashima et al.
patent: 4567551 (1986-01-01), Choate
patent: 4606617 (1986-08-01), Muchel
patent: 4614411 (1986-09-01), Horenz
patent: 4666269 (1987-05-01), Nakamura et al.
patent: 4706168 (1987-11-01), Weisner
patent: 4821157 (1989-04-01), Birk et al.
patent: 4895223 (1990-01-01), Arnold
"ABC der Optik" by Karl Mutze, Verlag Werner Dausien (1961), p. 561.

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