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
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Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP12488076ApriorityCriticalpatent/JPS5350542A/en
Publication of JPS5350542ApublicationCriticalpatent/JPS5350542A/en
PURPOSE: In a system composed of a plurality of electric heaters and controllers connecting and siconnecting the heaters, a system is installed to control heat generation of heaters for reducing the necessary quantity of contactors, etc.
COPYRIGHT: (C)1978,JPO&Japio
JP12488076A1976-10-201976-10-20Electric heater controlling system
PendingJPS5350542A
(en)