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公开(公告)号:US2342335A
公开(公告)日:1944-02-22
申请号:US45098242
申请日:1942-07-15
Applicant: RCA CORP
Inventor: FINCH JAMES L
IPC: H04L25/06
CPC classification number: H04L25/062
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公开(公告)号:US2242881A
公开(公告)日:1941-05-20
申请号:US20458638
申请日:1938-04-27
Applicant: RCA CORP
Inventor: FINCH JAMES L , USSELMAN GEORGE L
IPC: H02M1/14
CPC classification number: H02M1/143
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公开(公告)号:US2225691A
公开(公告)日:1940-12-24
申请号:US20327238
申请日:1938-04-21
Applicant: RCA CORP
Inventor: FINCH JAMES L
IPC: H03C3/26
CPC classification number: H03C3/26
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公开(公告)号:US2166756A
公开(公告)日:1939-07-18
申请号:US18870038
申请日:1938-02-04
Applicant: RCA CORP
Inventor: FINCH JAMES L
IPC: H04L27/04
CPC classification number: H04L27/04
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公开(公告)号:US1947003A
公开(公告)日:1934-02-13
申请号:US49964230
申请日:1930-12-03
Applicant: RCA CORP
Inventor: FINCH JAMES L , CONKLIN JAMES W
IPC: H03B5/18
CPC classification number: H03B5/1835
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公开(公告)号:US1887236A
公开(公告)日:1932-11-08
申请号:US36483029
申请日:1929-05-21
Applicant: RCA CORP
Inventor: FINCH JAMES L
IPC: H04L27/04
CPC classification number: H04L27/04
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公开(公告)号:US1844950A
公开(公告)日:1932-02-16
申请号:US36483129
申请日:1929-05-21
Applicant: RCA CORP
Inventor: FINCH JAMES L
IPC: H04L15/18
CPC classification number: H04L15/18
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公开(公告)号:US1728403A
公开(公告)日:1929-09-17
申请号:US3958125
申请日:1925-06-25
Applicant: RCA CORP
Inventor: FINCH JAMES L
IPC: H02P25/28
CPC classification number: H02P25/28
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19.
公开(公告)号:US2831058A
公开(公告)日:1958-04-15
申请号:US37363253
申请日:1953-08-11
Applicant: RCA CORP
Inventor: FINCH JAMES L
IPC: H04L1/18
CPC classification number: H04L1/18
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公开(公告)号:US2344238A
公开(公告)日:1944-03-14
申请号:US25175739
申请日:1939-01-19
Applicant: RCA CORP
Inventor: FINCH JAMES L
CPC classification number: F16D1/00 , F16D3/02 , Y10T74/19679
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