Title:
LEAK PROTECTOR ASSOCIATED WITH GROUNDING LEAD FOR DETECTING POWER SOURCE POLARITY
Document Type and Number:
Japanese Patent JPS5316842
Kind Code:
A
Abstract:
PURPOSE: To interrupt power from load when it is reverse polarity and enable re-insertion of plug, by installing polarity detection earth on load and confirming coincidence of polarity between the cathod of said semiconductor switch and earth side of pole transformer.
Inventors:
MASUDA MOTOAKI
ASANO TADASHI
ASANO TADASHI
Application Number:
JP9186576A
Publication Date:
February 16, 1978
Filing Date:
July 30, 1976
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02H11/00; H02H3/16; (IPC1-7): H02H3/16