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公开(公告)号:US1816905A
公开(公告)日:1931-08-04
申请号:US34159729
申请日:1929-02-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: HORTON JOSEPH W
IPC: H04B3/54
CPC classification number: H04B3/544
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公开(公告)号:US1775241A
公开(公告)日:1930-09-09
申请号:US36585529
申请日:1929-05-25
Applicant: BELL TELEPHONE LABOR INC
Inventor: HORTON JOSEPH W
IPC: H04N7/06
CPC classification number: H04N7/063
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公开(公告)号:US1717782A
公开(公告)日:1929-06-18
申请号:US20061827
申请日:1927-06-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: IVES HERBERT E , HORTON JOSEPH W
IPC: H04N3/04
CPC classification number: H04N3/04
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公开(公告)号:US1971675A
公开(公告)日:1934-08-28
申请号:US55566931
申请日:1931-08-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: HORTON JOSEPH W
IPC: H04N1/41
CPC classification number: H04N1/41
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公开(公告)号:US1860935A
公开(公告)日:1932-05-31
申请号:US25678428
申请日:1928-02-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: MARRISON WARREN A , HORTON JOSEPH W
IPC: H04N5/04
CPC classification number: H04N5/04
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公开(公告)号:US1799795A
公开(公告)日:1931-04-07
申请号:US27540928
申请日:1928-05-05
Applicant: BELL TELEPHONE LABOR INC
Inventor: HORTON JOSEPH W
IPC: H04K1/00
CPC classification number: H04K1/00
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公开(公告)号:US2003294A
公开(公告)日:1935-06-04
申请号:US23041827
申请日:1927-11-02
Applicant: BELL TELEPHONE LABOR INC
Inventor: HORTON JOSEPH W
IPC: H04N5/16
CPC classification number: H04N5/165
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公开(公告)号:US1905714A
公开(公告)日:1933-04-25
申请号:US52904831
申请日:1931-04-10
Applicant: BELL TELEPHONE LABOR INC
Inventor: HORTON JOSEPH W
IPC: H04N1/00
CPC classification number: H04N1/00095
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公开(公告)号:US1866533A
公开(公告)日:1932-07-12
申请号:US37453929
申请日:1929-06-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: HORTON JOSEPH W
CPC classification number: H01J5/12
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公开(公告)号:US1823739A
公开(公告)日:1931-09-15
申请号:US26619128
申请日:1928-03-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: HORTON JOSEPH W
IPC: H04L25/49
CPC classification number: H04L25/4902
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