Described is a device for illuminating objects which are to be photographed by a camera, comprising at least a charge-coupled-device image recorder, the image signals from the camera being fed to an image-processing unit with a light source which controls a control unit for pulse operation. The invention is characterized in that the light source comprises an LED array, the diodes of which are selectively addressed by the control unit with at least one pulse of variable width during each image period.
申请公布号
DE4011842(A1)
申请公布日期
1991.10.17
申请号
DE19904011842
申请日期
1990.04.12
申请人
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V., 8000 MUENCHEN, DE
发明人
SCHMIDBERGER, ERNST, DIPL.-ING., 7000 STUTTGART, DE;BERNER, PETER, 7409 DUSSLINGEN, DE
