Stepped dimming exposure machine

The utility model provides a step-by-step dimming exposure machine which comprises a control circuit, and the control circuit comprises a power supply module, a first power adjusting unit, a second power adjusting unit and a selective switch circuit, the power supply module and the exposure light so...

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Bibliographische Detailangaben
1. Verfasser:	CHEN SHUIBO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY LINING MACHINES MATERIALS THEREFOR ORIGINALS THEREFOR PERFORMING OPERATIONS PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS PRINTING PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTINGSURFACES STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	The utility model provides a step-by-step dimming exposure machine which comprises a control circuit, and the control circuit comprises a power supply module, a first power adjusting unit, a second power adjusting unit and a selective switch circuit, the power supply module and the exposure light source are respectively connected with the first power adjusting unit and the second power adjusting unit, the selective switch circuit is connected with the second power adjusting unit, and the selective switch circuit controls the on-off of the second power adjusting unit so as to adjust the power of the exposure light source; when the second power adjusting unit is disconnected from the exposure light source, the first power adjusting unit independently outputs voltage to supply power to the exposure light source, and when the second power adjusting unit is connected with the exposure light source, the first power adjusting unit and the second power adjusting unit jointly output voltage to supply power to the expo