Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SEMICONUCTOR SWITCHING DEVICE
Document Type and Number:
Japanese Patent JPS53133746
Kind Code:
A
Abstract:

PURPOSE: To improve the efficiency of utility of a cooler provided for each of a plurality of semiconductors switching units by operating semiconductors switches provided for the individual semiconductor switching units.


Inventors:
TANAKA MINORU
Application Number:
JP4927477A
Publication Date:
November 21, 1978
Filing Date:
April 27, 1977
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H01H9/54; H03K17/00; H03K17/725; (IPC1-7): H01H9/54; H03K17/00



 
Previous Patent: MOTOR

Next Patent: JPS53133747