Title:
AC-DC SWITCHING CIRCUIT
Document Type and Number:
Japanese Patent JPS51121152
Kind Code:
A
Abstract:
PURPOSE: To provide a power source selecting circuit, which uses a distribution two-wire line from a-c and d-c power sources provided separately from each other and also in which fushion of a relay switch at the time of a-c and d-c power source switching is adapted to be prevented.
Inventors:
SOGA SEIJI
Application Number:
JP4597275A
Publication Date:
October 22, 1976
Filing Date:
April 15, 1975
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
H02J9/02; H02J4/00; H02J9/04; (IPC1-7): H02J9/04