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公开(公告)号:US1897481A
公开(公告)日:1933-02-14
申请号:US41948830
申请日:1930-01-09
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N1/024
CPC classification number: H04N1/024
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公开(公告)号:US1859828A
公开(公告)日:1932-05-24
申请号:US41462729
申请日:1929-12-17
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N3/04
CPC classification number: H04N3/04
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公开(公告)号:US1854742A
公开(公告)日:1932-04-19
申请号:US8281026
申请日:1926-01-21
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: G03B41/08
CPC classification number: G03B41/08
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公开(公告)号:US1828867A
公开(公告)日:1931-10-27
申请号:US35984629
申请日:1929-05-02
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N3/04
CPC classification number: H04N3/04
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公开(公告)号:US1785262A
公开(公告)日:1930-12-16
申请号:US30435328
申请日:1928-09-06
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N3/04
CPC classification number: H04N3/04
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公开(公告)号:US1763358A
公开(公告)日:1930-06-10
申请号:US25931028
申请日:1928-03-05
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N1/44
CPC classification number: H04N1/448
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公开(公告)号:US1748383A
公开(公告)日:1930-02-25
申请号:US19745327
申请日:1927-06-08
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N3/04
CPC classification number: H04N3/04
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公开(公告)号:US1740354A
公开(公告)日:1929-12-17
申请号:US30435428
申请日:1928-09-06
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N3/12
CPC classification number: H04N3/12
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公开(公告)号:US1739312A
公开(公告)日:1929-12-10
申请号:US23006927
申请日:1927-10-31
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N3/08
CPC classification number: H04N3/08
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公开(公告)号:US1914570A
公开(公告)日:1933-06-20
申请号:US13297926
申请日:1926-09-01
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04J7/02
CPC classification number: H04J7/02
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