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公开(公告)号:US2029395A
公开(公告)日:1936-02-04
申请号:US36997329
申请日:1929-06-11
Applicant: RCA CORP
Inventor: SMITH THEODORE A
IPC: H04N5/66
CPC classification number: H04N5/66
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公开(公告)号:US1797378A
公开(公告)日:1931-03-24
申请号:US37938529
申请日:1929-07-19
Applicant: RCA CORP
Inventor: SMITH THEODORE A
IPC: H04N3/38
CPC classification number: H04N3/38
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公开(公告)号:US1999668A
公开(公告)日:1935-04-30
申请号:US31049728
申请日:1928-10-05
Applicant: RCA CORP
Inventor: SMITH THEODORE A
IPC: H03G3/22
CPC classification number: H03G3/22
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公开(公告)号:US1975055A
公开(公告)日:1934-09-25
申请号:US34983429
申请日:1929-03-25
Applicant: RCA CORP
Inventor: JULIUS WEINBERGER , SMITH THEODORE A , GEORGE RODWIN
IPC: H04N7/06
CPC classification number: H04N7/06 , Y10T74/18144
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公开(公告)号:US1810188A
公开(公告)日:1931-06-16
申请号:US37938429
申请日:1929-07-19
Applicant: RCA CORP
Inventor: SMITH THEODORE A
IPC: H04N3/38
CPC classification number: H04N3/38
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7.
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公开(公告)号:US2320476A
公开(公告)日:1943-06-01
申请号:US41307241
申请日:1941-09-30
Applicant: RCA CORP
Inventor: SCHRADER HAROLD J , SMITH THEODORE A
IPC: G01R25/00
CPC classification number: G01R25/00
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公开(公告)号:US1904552A
公开(公告)日:1933-04-18
申请号:US40328129
申请日:1929-10-29
Applicant: RCA CORP
Inventor: SMITH THEODORE A
IPC: H03G11/00
CPC classification number: H03G11/004
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公开(公告)号:US1895087A
公开(公告)日:1933-01-24
申请号:US37407729
申请日:1929-06-27
Applicant: RCA CORP
Inventor: SMITH THEODORE A
IPC: H04N3/04
CPC classification number: H04N3/04
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