Filter disc rotator

dc.contributor.author	Gupta, S. K.
dc.contributor.author	Nautiyal, S. L.
dc.contributor.author	Negi, B. S.
dc.date.accessioned	2010-01-08T05:47:17Z
dc.date.available	2010-01-08T05:47:17Z
dc.date.issued	1994
dc.identifier.citation	This article downloded from ADS Free Online Journal	en_US
dc.identifier.uri	http://hdl.handle.net/123456789/411
dc.description.abstract	A filter disc rotator has been designed and developed in the electronics laboratory of UPSO for photometric observations. A stepper motor is used to rotate the filter disc in the forward as well as in the reverse directions. A start signal is required to drive the stepper motor to rotate the filter disc. As the filter comes in front of the diaphragm, its position is sensed by the photosensors and diaplayed on the observer panel and simultaneously a stop signal is generated to stop the motor. The observer can select the required filter at any time and may control the disc rotator remotely.	en_US
dc.language.iso	en_US	en_US
dc.relation.ispartofseries	basi22-177
dc.subject	Stepper motor, Filter disc	en_US
dc.title	Filter disc rotator	en_US
dc.type	Article	en_US