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公开(公告)号:US2927794A
公开(公告)日:1960-03-08
申请号:US45355554
申请日:1954-09-01
Applicant: RCA CORP
Inventor: CARSON BENJAMIN R
CPC classification number: G11B17/30
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公开(公告)号:US2501312A
公开(公告)日:1950-03-21
申请号:US66114346
申请日:1946-04-10
Applicant: RCA CORP
Inventor: CARSON BENJAMIN R
IPC: G11B17/16
CPC classification number: G11B17/16
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公开(公告)号:US2051819A
公开(公告)日:1936-08-25
申请号:US51224431
申请日:1931-01-30
Applicant: RCA CORP
Inventor: CARSON BENJAMIN R
IPC: G11B15/44 , G11B19/265
CPC classification number: G11B15/44 , G11B19/265
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公开(公告)号:US2622884A
公开(公告)日:1952-12-23
申请号:US45651842
申请日:1942-08-28
Applicant: RCA CORP
Inventor: CARSON BENJAMIN R
IPC: G11B17/14
CPC classification number: G11B17/14
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公开(公告)号:US1956548A
公开(公告)日:1934-05-01
申请号:US62019332
申请日:1932-06-30
Applicant: RCA CORP
Inventor: CARSON BENJAMIN R
CPC classification number: G11B17/02
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公开(公告)号:US1899669A
公开(公告)日:1933-02-28
申请号:US48711530
申请日:1930-10-08
Applicant: RCA CORP
Inventor: CARSON BENJAMIN R
IPC: G11B17/14
CPC classification number: G11B17/14
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公开(公告)号:US2634135A
公开(公告)日:1953-04-07
申请号:US8450249
申请日:1949-03-31
Applicant: RCA CORP
Inventor: CARSON BENJAMIN R
IPC: G11B17/14 , G11B19/265
CPC classification number: G11B17/14 , G11B19/265
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公开(公告)号:US2247651A
公开(公告)日:1941-07-01
申请号:US27668539
申请日:1939-05-31
Applicant: RCA CORP
Inventor: CARSON BENJAMIN R
IPC: G11B33/02
CPC classification number: G11B33/02
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公开(公告)号:US2182871A
公开(公告)日:1939-12-12
申请号:US13313737
申请日:1937-03-26
Applicant: RCA CORP
Inventor: JONES NEVELL R , CARSON BENJAMIN R
IPC: H04N1/00
CPC classification number: H04N1/00631 , H04N1/00567 , H04N1/00676 , Y10T83/086 , Y10T83/2061 , Y10T83/4594 , Y10T83/4645 , Y10T83/5778
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公开(公告)号:US2722225A
公开(公告)日:1955-11-01
申请号:US41218554
申请日:1954-02-24
Applicant: RCA CORP
Inventor: CARSON BENJAMIN R
CPC classification number: A47L15/06 , A47L15/0089 , A47L15/4259
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