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公开(公告)号:US2737609A
公开(公告)日:1956-03-06
申请号:US19831450
申请日:1950-11-30
Applicant: RCA CORP
Inventor: KELLY GORDON E , FLOOD ROBERT D
IPC: H04N9/28
CPC classification number: H04N9/28
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公开(公告)号:US2725422A
公开(公告)日:1955-11-29
申请号:US36842653
申请日:1953-07-16
Applicant: RCA CORP
Inventor: STARK JR JOHN , KELLY GORDON E
IPC: H04N9/66
CPC classification number: H04N9/66
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