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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CONTROLS Ltd
Original Assignee
CONTROLS 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 CONTROLS LtdfiledCriticalCONTROLS Ltd
Publication of ES314886A1publicationCriticalpatent/ES314886A1/en
Control Of Motors That Do Not Use Commutators
(AREA)
Abstract
An electric control circuit having at least one gas discharge device, arranged in such a way as to reduce the resistance of a photoconductive cell of a type having a high resistance change factor, said cell being protected against penetration of external light and adapted for sufficient current to pass such as to activate an electrical relay device for indication, recording or control purposes, or a combination of these. (Machine-translation by Google Translate, not legally binding)
ES0314886A1964-09-211965-07-02An electrical control circuit. (Machine-translation by Google Translate, not legally binding)
ExpiredES314886A1
(en)