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公开(公告)号:US2338134A
公开(公告)日:1944-01-04
申请号:US40062441
申请日:1941-07-01
Applicant: RCA CORP
Inventor: SANDS WILLIAM F , DALY GEORGE M
IPC: H03H5/00
CPC classification number: H03H5/006
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公开(公告)号:US2725466A
公开(公告)日:1955-11-29
申请号:US15759950
申请日:1950-04-22
Applicant: RCA CORP
Inventor: SANDS WILLIAM F
IPC: H03H2/00
CPC classification number: H03H2/008
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公开(公告)号:US2561537A
公开(公告)日:1951-07-24
申请号:US69044546
申请日:1946-08-14
Applicant: RCA CORP
Inventor: SANDS WILLIAM F
IPC: H01F21/06
CPC classification number: H01F21/06
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公开(公告)号:US2555511A
公开(公告)日:1951-06-05
申请号:US66059946
申请日:1946-04-09
Applicant: RCA CORP
Inventor: SANDS WILLIAM F
IPC: H03J3/28
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公开(公告)号:US2517719A
公开(公告)日:1950-08-08
申请号:US58574745
申请日:1945-03-30
Applicant: RCA CORP
Inventor: SANDS WILLIAM F
IPC: H03D7/08
CPC classification number: H03D7/08
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公开(公告)号:US2431425A
公开(公告)日:1947-11-25
申请号:US52124144
申请日:1944-02-05
Applicant: RCA CORP
Inventor: SANDS WILLIAM F
IPC: H01F21/06
CPC classification number: H01F21/06
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