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公开(公告)号:US2879390A
公开(公告)日:1959-03-24
申请号:US62128656
申请日:1956-11-09
Applicant: RCA CORP
Inventor: PREISIG JOSEPH O
IPC: H03B5/34
CPC classification number: H03B5/34
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公开(公告)号:US2749474A
公开(公告)日:1956-06-05
申请号:US44006754
申请日:1954-06-29
Applicant: RCA CORP
Inventor: PREISIG JOSEPH O
CPC classification number: H04N9/28 , H04N3/1853
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公开(公告)号:US3059056A
公开(公告)日:1962-10-16
申请号:US665360
申请日:1960-02-04
Applicant: RCA CORP
Inventor: FREEDMAN LARRY A , PREISIG JOSEPH O
IPC: H04H20/88
CPC classification number: H04H20/88
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公开(公告)号:US2920133A
公开(公告)日:1960-01-05
申请号:US43657054
申请日:1954-06-14
Applicant: RCA CORP
Inventor: PREISIG JOSEPH O
IPC: H04N9/455
CPC classification number: H04N9/455
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公开(公告)号:US2745986A
公开(公告)日:1956-05-15
申请号:US41441754
申请日:1954-03-05
Applicant: RCA CORP
Inventor: PREISIG JOSEPH O
IPC: H04N3/26
CPC classification number: H04N3/26
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公开(公告)号:US2742615A
公开(公告)日:1956-04-17
申请号:US32869152
申请日:1952-12-30
Applicant: RCA CORP
Inventor: PREISIG JOSEPH O
IPC: H03H9/54
CPC classification number: H03H9/545
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8.
公开(公告)号:US3128345A
公开(公告)日:1964-04-07
申请号:US6651060
申请日:1960-11-01
Applicant: RCA CORP
Inventor: FREEDMAN LARRY A , PREISIG JOSEPH O
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9.
公开(公告)号:US3061683A
公开(公告)日:1962-10-30
申请号:US6776460
申请日:1960-11-07
Applicant: RCA CORP
Inventor: FREEDMAN LARRY A , PREISIG JOSEPH O
IPC: H04H20/88
CPC classification number: H04H20/88
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公开(公告)号:US2843666A
公开(公告)日:1958-07-15
申请号:US38310953
申请日:1953-09-29
Applicant: RCA CORP
Inventor: PREISIG JOSEPH O
IPC: H04N9/72
CPC classification number: H04N9/72
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