Optical system for forming an illuminated pattern on a material in motion and which illuminated pattern is synchronized with a detection device

An optical system is usable for forming an illuminated pattern on the surface of a material which is being displaced with respect to that illuminated pattern. An illuminating device, which includes several light sources that are driven in a pulsed manner by a control unit, emits light that is used t...

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Bibliographische Detailangaben
1. Verfasser:	DIEDERICHS CARSTEN
Format:	Patent
Sprache:	eng
Schlagworte:	COLORIMETRY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LINING MACHINES MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PERFORMING OPERATIONS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRINTING PRINTING MACHINES OR PRESSES RADIATION PYROMETRY STAMPS TESTING TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	An optical system is usable for forming an illuminated pattern on the surface of a material which is being displaced with respect to that illuminated pattern. An illuminating device, which includes several light sources that are driven in a pulsed manner by a control unit, emits light that is used to form the illuminated pattern. A detection device detects the light emitted by the illuminating device. The control unit controls one individual light source, or a group of light sources. An operating time of the light source or sources is synchronized with an exposure time of the detection device. The operating time of the light source is shorter than the exposure time of the detection device.