Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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Filing date
Publication date
Application filed by Matsushita Electric Works LtdfiledCriticalMatsushita Electric Works Ltd
Priority to JP6428677ApriorityCriticalpatent/JPS53148879A/en
Publication of JPS53148879ApublicationCriticalpatent/JPS53148879A/en
PURPOSE: To incorporate spare lamps in an illumiantor in such a way that these lamps can be rotated and lighted one after the other so that replacement of lamps can be done easily and sefely.