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公开(公告)号:US2858366A
公开(公告)日:1958-10-28
申请号:US33675553
申请日:1953-02-13
Applicant: RCA CORP
Inventor: SCHROEDER ALFRED C
IPC: H04N9/26
CPC classification number: H04N9/26
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公开(公告)号:US2685062A
公开(公告)日:1954-07-27
申请号:US17449450
申请日:1950-07-18
Applicant: RCA CORP
Inventor: SCHROEDER ALFRED C , WENDT KARL R
IPC: H04N17/00
CPC classification number: H04N17/00
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公开(公告)号:US2646463A
公开(公告)日:1953-07-21
申请号:US23736251
申请日:1951-07-18
Applicant: RCA CORP
Inventor: SCHROEDER ALFRED C
IPC: H04N9/16
CPC classification number: H04N9/16
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公开(公告)号:US2595548A
公开(公告)日:1952-05-06
申请号:US73063747
申请日:1947-02-24
Applicant: RCA CORP
Inventor: SCHROEDER ALFRED C
IPC: H01J31/20
CPC classification number: H01J31/205
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公开(公告)号:US2543477A
公开(公告)日:1951-02-27
申请号:US4129448
申请日:1948-07-29
Applicant: RCA CORP
Inventor: SZIKLAI GEORGE C , SCHROEDER ALFRED C
IPC: H04N9/22
CPC classification number: H04N9/22
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公开(公告)号:US2518200A
公开(公告)日:1950-08-08
申请号:US77775047
申请日:1947-10-03
Applicant: RCA CORP
Inventor: SZIKLAI GEORGE C , SCHROEDER ALFRED C
IPC: H04N11/00
CPC classification number: H04N11/00
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公开(公告)号:US2509280A
公开(公告)日:1950-05-30
申请号:US57029444
申请日:1944-12-29
Applicant: RCA CORP
Inventor: SZIKLAI GEORGE C , SCHROEDER ALFRED C
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公开(公告)号:US2406165A
公开(公告)日:1946-08-20
申请号:US54317644
申请日:1944-07-01
Applicant: RCA CORP
Inventor: SCHROEDER ALFRED C
IPC: H04J3/00
CPC classification number: H04J3/00
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公开(公告)号:US2344810A
公开(公告)日:1944-03-21
申请号:US42519841
申请日:1941-12-31
Applicant: RCA CORP
Inventor: FREDENDALL GORDON L , SCHROEDER ALFRED C
IPC: H04N5/12
CPC classification number: H04N5/126
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30.Apparatus for generating test signals useful in measuring television transmission performance without affecting receiver synchronization 失效
Title translation: 用于产生测试信号的设备用于测量电视传输性能而不影响接收器同步公开(公告)号:US3576390A
公开(公告)日:1971-04-27
申请号:US3576390D
申请日:1968-05-29
Applicant: RCA CORP
Inventor: BOND DONALD S , SCHROEDER ALFRED C , PRITCHARD DALTON H
Abstract: Apparatus for generating supervisory test signals in the interval between the beginning of vertical blanking and the beginning of vertical sync in a television synchronizing waveform, so as to free for other communication purposes those portions of the waveform such test signals conventionally occupy.
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