Patent search ap:("SPERRY RAND CORP") AND inv:"HARING LEWIS L" Page 1

1.

发明授权
Automatic resetting means for transformer energized by asymmetrical waveforms 失效
Title translation: 用不对称波形进行变压器自动复位

公开(公告)号：US3437910A

公开(公告)日：1969-04-08

申请号：US3437910D

申请日：1967-05-18

Applicant: SPERRY RAND CORP

Inventor： HARING LEWIS L , OPPEN WALTER R

IPC: H02M7/06 , H02M7/539 , H02N1/00 , H02M7/44

CPC classification number: H02M7/539 , H02M7/068

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