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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Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP4354577ApriorityCriticalpatent/JPS53129465A/en
Publication of JPS53129465ApublicationCriticalpatent/JPS53129465A/en
PURPOSE: To improve discharge starting voltage without decreasing luminous flux maintaining factor, by controlling true cover quantity of oxide which covers electrode.
COPYRIGHT: (C)1978,JPO&Japio
JP4354577A1977-04-181977-04-18High voltage discharge lamp
PendingJPS53129465A
(en)