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公开(公告)号:US2445832A
公开(公告)日:1948-07-27
申请号:US51085743
申请日:1943-11-19
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
IPC: G11B7/00
CPC classification number: G11B7/00
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公开(公告)号:US2426355A
公开(公告)日:1947-08-26
申请号:US55592144
申请日:1944-09-27
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
CPC classification number: G01N21/9027 , G01N2033/0081
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公开(公告)号:US2301883A
公开(公告)日:1942-11-10
申请号:US36155940
申请日:1940-10-17
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
IPC: G11B7/00
CPC classification number: G11B7/00
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公开(公告)号:US2293149A
公开(公告)日:1942-08-18
申请号:US34654440
申请日:1940-07-20
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W , REISKIND HILLEL I
IPC: G11B7/00
CPC classification number: G11B7/00
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公开(公告)号:US2276494A
公开(公告)日:1942-03-17
申请号:US30226139
申请日:1939-10-31
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
IPC: G11B15/29
CPC classification number: G11B15/29
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公开(公告)号:US2133820A
公开(公告)日:1938-10-18
申请号:US16669737
申请日:1937-09-30
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
IPC: G03B27/08
CPC classification number: G03B27/08
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公开(公告)号:US2080278A
公开(公告)日:1937-05-11
申请号:US73988034
申请日:1934-08-15
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
IPC: H01J61/98
CPC classification number: H01J61/98
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公开(公告)号:US2017153A
公开(公告)日:1935-10-15
申请号:US64195532
申请日:1932-11-10
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W
IPC: G10K15/10
CPC classification number: G10K15/10
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公开(公告)号:US2484348A
公开(公告)日:1949-10-11
申请号:US74183447
申请日:1947-04-16
Applicant: RCA CORP
Inventor: KELLOGG EDWARD W , ISOM WARREN R
IPC: G03B1/22
CPC classification number: G03B1/22 , Y10T74/2107
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