Patent
1989-04-26
1991-06-11
Arnold, Bruce Y.
350507, 350523, 350526, G02B 2126, G02B 2100
Patent
active
050227440
ABSTRACT:
A microscope is disclosed having an illumination device that includes a color temperature regulating device and a color temperature measurement device. The color temperature regulating device includes a light guide and two conversion filters that are disposed on a carrier and are adjustable in a motor-driven manner. Moreover, a color temperature control device is provided, which compares the color temperature determined in the measurement device with a predetermined theoretical value and supplies a corresponding signal to the color temperature regulating device. Furthermore, a measurement or regulating device for the intensity of illumination or light intensity is provided, which compensates the change of light intensity by a motor-controllable diaphragm in the illumination beam path.
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patent: 4673269 (1987-06-01), Schiff et al.
patent: 4751542 (1988-06-01), Madero
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Arnold Bruce Y.
Nguyen Thong
Wild Leitz GmbH
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