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21.
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公开(公告)号:US2476167A
公开(公告)日:1949-07-12
申请号:US2445548
申请日:1948-05-01
Applicant: RCA CORP
Inventor: WENDT KARL R
IPC: H04N3/20
CPC classification number: H04N3/20
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公开(公告)号:US2405280A
公开(公告)日:1946-08-06
申请号:US58552645
申请日:1945-03-29
Applicant: RCA CORP
Inventor: BEDFORD ALDA V , WENDT KARL R
IPC: H04K1/02
CPC classification number: H04K1/02
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公开(公告)号:US2332681A
公开(公告)日:1943-10-26
申请号:US42092441
申请日:1941-11-29
Applicant: RCA CORP
Inventor: WENDT KARL R
IPC: H04N5/12
CPC classification number: H04N5/126
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公开(公告)号:US2326907A
公开(公告)日:1943-08-17
申请号:US36732440
申请日:1940-11-27
Applicant: RCA CORP
Inventor: WENDT KARL R
IPC: H04N5/202
CPC classification number: H04N5/202
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公开(公告)号:US2250284A
公开(公告)日:1941-07-22
申请号:US23705138
申请日:1938-10-26
Applicant: RCA CORP
Inventor: WENDT KARL R
IPC: H04N5/06
CPC classification number: H04N5/06
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公开(公告)号:US2586193A
公开(公告)日:1952-02-19
申请号:US4517748
申请日:1948-08-19
Applicant: RCA CORP
Inventor: WENDT KARL R
IPC: H04N5/53
CPC classification number: H04N5/53
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公开(公告)号:US2543428A
公开(公告)日:1951-02-27
申请号:US73085247
申请日:1947-02-25
Applicant: RCA CORP
Inventor: WENDT KARL R , HEGBAR HOWARD R
IPC: H03K4/86
CPC classification number: H03K4/86
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