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公开(公告)号：US2286442A
公开(公告)日：1942-06-16
申请号：US36878240
申请日：1940-12-06
Applicant: RCA CORP
Inventor： SCHOCK ROBERT E
IPC: H03G11/06
CPC classification number: H03G11/06
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公开(公告)号：US2172456A
公开(公告)日：1939-09-12
申请号：US15044337
申请日：1937-06-26
Applicant: RCA CORP
Inventor： SCHOCK ROBERT E
IPC: H03J7/04
CPC classification number: H03J7/04
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