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公开(公告)号:US3665247A
公开(公告)日:1972-05-23
申请号:US3665247D
申请日:1970-07-02
Applicant: MACHLETT LAB INC
Inventor: GORDON JEFFREY L
CPC classification number: H02M7/10 , H01J31/50 , H01J43/20 , H01J2231/50063
Abstract: A light amplifier tube having a voltage source and circuit means connected between the cathode and the anode of the tube for regulating the power supplied to the tube and thereby controlling the output brightness of the tube.