-
-
公开(公告)号:US2270176A
公开(公告)日:1942-01-13
申请号:US29657839
申请日:1939-09-26
Applicant: RCA CORP
-
-
公开(公告)号:US2251054A
公开(公告)日:1941-07-29
申请号:US24608838
申请日:1938-12-16
Applicant: RCA CORP
CPC classification number: G05D3/1481 , H03J1/18 , H03J5/146
-
公开(公告)号:US2320808A
公开(公告)日:1943-06-01
申请号:US34182640
申请日:1940-06-22
Applicant: RCA CORP
Inventor: LAMMEREN JOHANNES ANTONIUS VAN , WILLEM ALEXANDER JOHAN
IPC: H03J5/14
CPC classification number: H03J5/143 , Y10T477/30
-
公开(公告)号:US2281468A
公开(公告)日:1942-04-28
申请号:US28589639
申请日:1939-07-22
Applicant: RCA CORP
Inventor: LAMMEREN JOHANNES ANTONIUS VAN
CPC classification number: H03J5/146 , H03J5/16 , Y10T74/2102
-
-
-
-
-